EXHIBIT A

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 1 of 29 PageID #: 25
USO10951359B2 

( 12 ) United States Patent 

Huang et al . ( 10 ) Patent No .: US 10,951,359 B2 

( 45 ) Date of Patent : Mar. 16 , 2021 

( 54 ) METHOD AND APPARATUS FOR ( 56 ) References Cited 

PROVIDING CONTROL RESOURCE SET 

CONFIGURATION IN A WIRELESS 

COMMUNICATION SYSTEM 

U.S. PATENT DOCUMENTS 

( 71 ) Applicant :ASUSTek Computer Inc. , Taipei ( TW ) 

9,462,582 B2 

2014/0112283 Al 

2018/0049203 A1 

2018/0123759 Al 

2019/0149275 A1 * 

10/2016 Feng 4/2014 Kim et al . 2/2018 Xue 

5/2018 Zhang ( 72 ) Inventors : Chun - Wei Huang , Taipei ( TW ) ; 5/2019 He 

Ko - Chiang Lin , Taipei ( TW ) 

H04W 76/11 

370/329 

( Continued ) ( 73 ) Assignee : ASUSTek Computer Inc. , Taipei ( TW ) 

FOREIGN PATENT DOCUMENTS 

( * ) Notice : Subject to any disclaimer , the term of this 

patent is extended or adjusted under 35 

U.S.C. 154 ( b ) by 4 days . JP 2015180066 8/2015 

OTHER PUBLICATIONS 

( 21 ) Appl . No .: 16 / 241,368 

( 22 ) Filed : Jan. 7 , 2019 

Huawei ; “ CORESET Configuration and search space design ” ; 3GPP 

TSG RAN WG1 Meeting # 90bis , Prague , Czech Republic , Oct. 

9-13 , 2017 ( Year : 2017 ) . * 

( 65 ) Prior Publication Data ( Continued ) 

US 2019/0222357 A1 Jul . 18 , 2019 

Primary Examiner — Thai D Hoang 

( 74 ) Attorney , Agent ,or Firm Skaar Ulbrich Macari , P.A. 

Related U.S. Application Data 

Provisional application No. 62 / 619,041 , filed on Jan. 

18 , 2018 . ( 60 ) 

( 57 ) ABSTRACT 

( 51 ) 

( 52 ) 

Int . Cl . 

H04W 4/00 ( 2018.01 ) H04L 1/16 ( 2006.01 ) H04W 72/04 ( 2009.01 ) H04L 5/00 ( 2006.01 ) 

U.S. CI . 

CPC H04L 1/1614 ( 2013.01 ) ; H04L 5/0053 ( 2013.01 ) ; H04L 5/0094 ( 2013.01 ) ; H04W 

72/042 ( 2013.01 ) ; H04W 72/0446 ( 2013.01 ) ; 

H04L 5/0007 ( 2013.01 ) 

Field of Classification Search 

CPC H04L 1/1 4 ; HO4L 5/0 HO4L 5/0094 ; 

H04W 72/042 ; H04W 72/0446 

USPC 370 / 328–329 , 335–345 , 348 

See application file for complete search history . 

Methods and apparatuses for providing control resource set configuration in a wireless communication system are dis 

closed herein . In one method , a network node transmits a signal indicating at least a first duration and a bit map , wherein the first duration is time duration of a control 

resource set ( CORESET ) and the bit map indicates first 

symbol ( s ) of monitoring occasion ( s ) of the CORESET 

within a slot , and wherein a set of bit position indicates value 

one in the bit map . The network node is not allowed to 

transmit the signal such that an interval between two bit positions in the set in the bit map is smaller than a second 

duration . 

( 58 ) 

23 Claims , 7 Drawing Sheets 

700 

START 

705 700 

The network node transmitting a signal indicating at least a first duration and a bit map , wherein the first duration is time duration of a control resource set ( CORESET ) and the bit 

map indicates first symbol ( s ) of monitoring occasion ( s ) of the CORESET within a slot , and 

wherein a set of bit position indicates value one in the bit map 

710 

The network node is not allowed to transmit the signal when an interval between two bit 

positions in the set in the bit map is smaller than a second duration 

END 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 2 of 29 PageID #: 26
US 10,951,359 B2 

Page 2 

( 56 ) References Cited 

U.S. PATENT DOCUMENTS 

2019/0159226 A1 * 

2020/0015176 A1 * 

2020/0120624 Al * 

2020/0229092 A1 * 

2020/0259896 A1 * 

5/2019 Ly 1/2020 Li 

4/2020 Lin 

7/2020 Wu 

8/2020 Sachs 

HO4L 5/0053 

HO4L 5/0082 

H04W 56/00 

H04W 76/28 

HO4W 4/30 

OTHER PUBLICATIONS 

3GPP TSG RAN WG1 Meeting # 91 R1-1719387 Reno , USA , Nov. 

27 - Dec . 1 , 2017 , Section 2.1.2.1 , 2.1.2.3 , 2.2.1 , 2.2.2 , Appendix A. 

3GPP TSG RAN WG1 Meeting # 90 R1-1712441 Prague , Czechia , Aug. 21-25 , 2017 , Section1 , 2.1 . Office Action from Taiwan Patent Office in corresponding TW 

Application No. 108100603 , dated Nov. 11 , 2019 . Office Action from Japan Patent Office in corresponding JP Appli cation No. 2019-000500 , dated Jan. 14 , 2020 . PPO : “ Text proposal for search space ” , 3GPP Draft ; R1-1800495 , 3rd Generation Partnership Project ( 3GPP ) , Mobile Competence Centre ; 650 , Route Des Lucioles ; F - 06921 Sophia - Antipolis Cedex ; France vol . RAN WG1 , No. Vancouver , Canada ; Jan. 22 , 2018 - Jan . 26 , 2018 Jan. 12 , 2018 . Interdigital Inc : “ On Remaining Details Minimum System Infor 

mation Delivery ” , 3GPP Draft ; R1-1720623 , 3rd Generation Part nership Project ( 3GPP ) , Mobile Competence Centre ; 650 , Route 

Des ; F - 06921 Sophia - Antipolis Cedex ; France vol . RAN WG1 , No. 

Reno , USA ; Nov. 27 , 2017 - Nov . 1 , 2017 Nov. 18 , 2017 ( Nov. 18 , 2017 ) . 

European Search Report from EP Patent Office in corresponding EP 

Application No. 19150466.1 , dated Jun . 24 , 2019 . AT & T , Rate matching aspects of LTE - NR coexistence and further 

details on resource sets , 3GPP TSG RAN WG1 # 90b R1-1718406 , Oct. 9 , 2017 

Oppo , Text proposal for search space , 3GPP TSG RAN WG1 

adhoc_NR_AH_1801 R1-1800495 , Jan. 12 , 2018 . Office Action from Korean Intellectual Property Office in corre sponding KR Application No. 10-2019-0001805 , dated May 1 , 2020 . Office Action from Intellectual Property Office India in correspond ing IN Application No. 201914000620 , dated Jul . 29 , 2020 . Oppo , “ Text proposal for search space ” , 3GPP TSG RAN WG1 

Meeting AH 1801 , Vancouver , Canada , Jan. 22-26 , 2018 , R1-1800495 . InterDigital Inc. , " On Remaining Details of Minimum System Information Delivery ” , 3GPP TSG RAN WG1 , Meeting 91 , Reno , USA , Nov. 1-27 , 2017. R1-1720623 . Office Action from TIPO in corresponding TW Application No. 

108100603 , dated Aug. 3 , 2020 . Huawei , HiSilicon , “ CORESET configuration and search space design ” , 3GPP TSG RAN WG1 Meeting # 91 , Reno , USA , Nov. 

27 - Dec . 1 , 2017 , R1-1719387 . Zte , “ NR - PDCCH CORESET Configuration " , 3GPP TSG RAN 

WG1 Meeting # 90 , Prague , Czechia Aug. 21-25 , 2017. R1-1712441 . 3GPP TS 38.213 V15.0.0 ; Technical Specification Group Radio 

Access Network ; NR ; Physical layer procedures for control ( Release 

15 ) Jan. 3 , 2018 Table 13-1 , Chapter 13 . Huawei HiSilicon , “ CORESET configuration and search space design ” , 3GPP TSG RAN WG1 Meeting # 90bis , Prague , Czech 

Republic , Oct. 9-13 , 2017. R1-1717062 . 

* cited by examiner 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 3 of 29 PageID #: 27
U.S. Patent Mar. 16 , 2021 Sheet 1 of 7 US 10,951,359 B2 

110 

112 

118 

116 

120 108 | ||| 106 104 126 122 

100 124 

114 | jm | 

GOD 

FIG . 1 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 4 of 29 PageID #: 28
200 

, 212

U.S. Patent 

210 

Data Source 

224a 

2522 

250 

214 

220 

222a 

254a 

260 

Pilot 

TMTR 

RCVR 

TX DataProcessor 

MIMO TXProcessor 

RX Data Processor 

RCVR 

TMTR 

Mar. 16 , 2021 

230 

232 

272 

270 

Processor 

Memory 

224 

2521 

Memory 

Processor 

Sheet 2 of 7 

CSI 

CSI 242 

240 

2221 

254r 

280 

238 

RCVR 

RX Data Processor 

Demod 

Modulator 

TX DataProcessor 

RCVR 

TMTR 

236 Data Source 

US 10,951,359 B2 

FIG .2

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 5 of 29 PageID #: 29
U.S. Patent Mar. 16 , 2021 Sheet 3 of 7 US 10,951,359 B2 

300 

INPUT 

DEVICE 

302 

OUTPUT 

DEVICE 

304 

CONTROL CIRCUIT 306 

CPU 308 

MEMORY 310 

PROGRAM CODE 312 

TRANSCEIVER 314 

FIG . 3 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 6 of 29 PageID #: 30
U.S. Patent Mar. 16 , 2021 Sheet 4 of 7 US 10,951,359 B2 

PROGRAM CODE 312 

APPLICATION LAYER 400 

LAYER 3 402 

LAYER 2 404 

LAYER 1 406 

FIG . 4 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 7 of 29 PageID #: 31
U.S. Patent Mar. 16 , 2021 Sheet 5 of 7 US 10,951,359 B2 

Table 7.3.2.1-1 : Supported PDCCH aggregation levels . 

Aggregation level Number of 

CCES 

1 1 

2 2 

4 4 

8 8 

16 16 

FIG . 5 ( PRIOR ART ) 

CCE Aggregation 

Level 

Number of 

Candidates 

* 4 * 4 

* 8 * 2 

* 16 * X 

FIG . 6 ( PRIOR ART ) 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 8 of 29 PageID #: 32
U.S. Patent Mar. 16 , 2021 Sheet 6 of 7 US 10,951,359 B2 

700 

START 

705 700 

The network node transmitting a signal indicating at least a first duration and a bit map , wherein the first duration is time duration of a control resource set ( CORESET ) and the bit 

map indicates first symbol ( s ) of monitoring occasion ( s ) of the CORESET within a slot , and 

wherein a set of bit position indicates value one in the bit map 

710 A. 

The network node is not allowed to transmit the signal when an interval between two bit 

positions in the set in the bit map is smaller than a second duration 

END 

FIG . 7 

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U.S. Patent Mar. 16 , 2021 Sheet 7 of 7 US 10,951,359 B2 

800 

START 

805 go 

The network node transmits a signal indicating at least a first duration and a bit map , wherein the first duration is time duration of a control resource set ( CORESET ) and the bit 

map indicates first symbol ( s ) of monitoring occasion ( s ) of the CORESET within a slot , and 

wherein a set of bit position indicates value one in the bit map 

810 

The network node is not allowed to transmit the signal such that interval between a bit 

position in the set in the bit map and the least significant bit position in the bit map is 

smaller than a second duration 

END 

FIG . 8 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 10 of 29 PageID #: 34
5 

10 

US 10,951,359 B2 

1 2 

METHOD AND APPARATUS FOR FIG . 5 is a reproduction of Table 7.3.2.1-1 taken from 

PROVIDING CONTROL RESOURCE SET 3GPP 3GPP R1-1721341 . CONFIGURATION IN A WIRELESS FIG . 6 is a reproduction of Table 10.1-1 from 3GPP 

COMMUNICATION SYSTEM R1-1721343 . 

FIG . 7 is a flow diagram for one exemplary embodiment 

CROSS - REFERENCE TO RELATED from the perspective of a network node . APPLICATIONS FIG . 8 is a flow diagram for one exemplary embodiment 

from the perspective of a network node . The present application claims the benefit of U.S. Provi 

sional Patent Application Ser . No. 62 / 619,041 filed on Jan. DETAILED DESCRIPTION 

18 , 2018 , the entire disclosure of which is incorporated herein in its entirety by reference . The exemplary wireless communication systems and 

devices described below employ a wireless communication 

FIELD system , supporting a broadcast service . Wireless communi 

15 cation systems are widely deployed to provide various types 

This disclosure generally relates to wireless communica of communication such as voice , data , and so on . These 

tion networks , and more particularly , to a method and systems may be based on code division multiple access 

apparatus for providing control resource set configuration in ( CDMA ) , time division multiple access ( TDMA ) , orthogo 

a wireless communication system . nal frequency division multiple access ( OFDMA ) , 3GPP 

20 LTE ( Long Term Evolution ) wireless access , 3GPP LTE - A 

BACKGROUND or LTE - Advanced ( Long Term Evolution Advanced ) , 3GPP2 UMB ( Ultra Mobile Broadband ) , WiMax , or some 

With the rapid rise in demand for communication of large other modulation techniques . amounts of data to and from mobile communication devices , In particular , the exemplary wireless communication sys traditional mobile voice communication networks are evolv- 25 tems devices described below may be designed to support ing into networks that communicate with Internet Protocol one or more standards such as the standard offered by a 

( IP ) data packets . Such IP data packet communication can consortium named “ 3rd Generation Partnership Project ” 

provide users of mobile communication devices with voice referred to herein as 3GPP , including : Final Chairman's 

over IP , multimedia , multicast and on - demand communica Note of 3GPP TSG RAN WG1 Meeting # 89 ; Final Report 

tion services . 30 of 3GPP TSG RAN WG1 # AH_NR2 v1.0.0 ; Final Chair 

An exemplary network structure is an Evolved Universal man's Note of 3GPP TSG RAN WG1 Meeting # AH_NR3 ; 

Terrestrial Radio Access Network ( E - UTRAN ) . The Final Chairman's Note of 3GPP TSG RAN WG1 Meeting 

E - UTRAN system can provide high data throughput in order # 90bis ; Final Chairman's Note of 3GPP TSG RAN WG1 

to realize the above - noted voice over IP and multimedia Meeting # 91 ; R1-1721341 , “ NR ; Physical channels and 

services . A new radio technology for the next generation 35 modulation ( Release 15 ) " ; R1-1721343 , “ NR ; Physical layer ( e.g. , 5G ) is currently being discussed by the 3GPP standards procedures for control ( Release 15 ) " ; and TS 38.331 , “ NR ; 

organization . Accordingly , changes to the current body of Radio Resource Control ( RRC ) ; Protocol specification ( Re 

3GPP standard are currently being submitted and considered lease 15 ) " . The standards and documents listed above are 

to evolve and finalize the 3GPP standard . hereby expressly incorporated by reference in their entirety . FIG . 1 shows a multiple access wireless communication 

SUMMARY system according to one embodiment of the invention . An 

access network 100 ( AN ) includes multiple antenna groups , Methods and apparatuses for providing control resource one including 104 and 106 , another including 108 and 110 , set configuration in a wireless communication system are and an additional including 112 and 114. In FIG . 1 , only two 

disclosed herein . In one method , a network node transmits a 45 antennas are shown for each antenna group , however , more 

signal indicating at least a first duration and a bit map , or fewer antennas may be utilized for each antenna group . wherein the first duration is time duration of a control Access terminal 116 ( AT ) is in communication with anten 

resource set ( CORESET ) and the bit map indicates first nas 112 and 114 , where antennas 112 and 114 transmit 

symbol ( s ) of monitoring occasion ( s ) of the CORESET information to access terminal 116 over forward link 120 

within a slot , and wherein a set of bit position indicates value 50 and receive information from access terminal 116 over 

one in the bit map . The network node is not allowed to reverse link 118. Access terminal ( AT ) 122 is in communi 

transmit the signal such that an interval between two bit cation with antennas 106 and 108 , where antennas 106 and 

positions in the set in the bit map is smaller than a second 108 transmit information to access terminal ( AT ) 122 over 

duration . forward link 126 and receive information from access ter 

55 minal ( AT ) 122 over reverse link 124. In a FDD system , BRIEF DESCRIPTION OF THE DRAWINGS communication links 118 , 120 , 124 and 126 may use dif 

ferent frequency for communication . For example , forward 

FIG . 1 shows a diagram of a wireless communication link 120 may use a different frequency then that used by system according to one exemplary embodiment . reverse link 118 . FIG . 2 is a block diagram of a transmitter system ( also 60 Each group of antennas and / or the area in which they are 

known as access network ) and a receiver system ( also designed to communicate is often referred to as a sector of 

known as user equipment or UE ) according to one exem- the access network . In the embodiment , antenna groups each 

plary embodiment . are designed to communicate to access terminals in a sector 

FIG . 3 is a functional block diagram of a communication of the areas covered by access network 100 . system according to one exemplary embodiment . In communication over forward links 120 and 126 , the 

FIG . 4 is a functional block diagram of the program code transmitting antennas of access network 100 may utilize 

of FIG . 3 according to one exemplary embodiment . beamforming in order to improve the signal - to - noise ratio of 

40 

65 

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US 10,951,359 B2 

3 4 

forward links for the different access terminals 116 and 122 . processing by RX data processor 260 is complementary to 

Also , an access network using beamforming to transmit to that performed by TX MIMO processor 220 and TX data 

access terminals scattered randomly through its coverage processor 214 at transmitter system 210 . causes less interference to access terminals in neighboring A processor 270 periodically determines which pre - cod 

cells than an access network transmitting through a single 5 ing matrix to use ( discussed below ) . Processor 270 formu 

antenna to all its access terminals . lates a reverse link message comprising a matrix index 

An access network ( AN ) may be a fixed station or base portion and a rank value portion . station used for communicating with the terminals and may The reverse link message may comprise various types of 

also be referred to as an access point , a Node B , a base information regarding the communication link and / or the 

station , an enhanced base station , an evolved Node B ( NB ) , 10 received data stream . The reverse link message is then 

or some other terminology . An access terminal ( AT ) may processed by a TX data processor 238 , which also receives 

also be called user equipment ( UE ) , a wireless communi- traffic data for a number of data streams from a data source 

cation device , terminal , access terminal or some other ter- 236 , modulated by a modulator 280 , conditioned by trans minology . mitters 254a through 254r , and transmitted back to trans 

FIG . 2 is a simplified block diagram of an embodiment of 15 mitter system 210 . a transmitter system 210 ( also known as the access network ) At transmitter system 210 , the modulated signals from 

and a receiver system 250 ( also known as access terminal receiver system 250 are received by antennas 224 , condi 

( AT ) or user equipment ( UE ) in a MIMO system 200. At the tioned by receivers 222 , demodulated by a demodulator 240 , transmitter system 210 , traffic data for a number of data and processed by a RX data processor 242 to extract the 

streams is provided from a data source 212 to a transmit 20 reserve link message transmitted by the receiver system 250 . ( TX ) data processor 214 . Processor 230 then determines which pre - coding matrix to 

In one embodiment ,each data stream is transmitted over use for determining the beamforming weights then processes 

a respective transmit antenna . TX data processor 214 for- the extracted message . mats , codes , and interleaves the traffic data for each data Turning to FIG . 3 , this figure shows an alternative sim 

stream based on a particular coding scheme selected for that 25 plified functional block diagram of a communication device 

data stream to provide coded data . according to one embodiment of the invention . As shown in 

The coded data for each data stream may be multiplexed FIG . 3 , the communication device 300 in a wireless com 

with pilot data using OFDM techniques . The pilot data is munication system can be utilized for realizing the UEs ( or 

typically a known data pattern that is processed in a known ATs ) 116 and 122 in FIG . 1 or the base station ( or AN ) 100 

manner and may be used at the receiver system to estimate 30 in FIG . 1 , and the wireless communications system is 

the channel response . The multiplexed pilot and coded data preferably the LTE system . The communication device 300 

for each data stream is then modulated ( i.e. , symbol mapped ) may include an input device 302 , an output device 304 , a 

based on a particular modulation scheme ( e.g. , BPSK , control circuit 6 , a central processing unit ( CPU ) 308 , a 

QPSK , M - PSK , or M - QAM ) selected for that data stream to memory 310 , a program code 312 , and a transceiver 314 . provide modulation symbols . The data rate , coding , and 35 The control circuit 306 executes the program code 312 in the modulation for each data stream may be determined by memory 310 through the CPU 308 , thereby controlling an instructions performed by processor 230 . operation of the communications device 300. The commu 

The modulation symbols for all data streams are then nications device 300 can receive signals input by a user 

provided to a TX MIMO processor 220 , which may further through the input device 302 , such as a keyboard or keypad , process the modulation symbols ( e.g. , for OFDM ) . TX 40 and can output images and sounds through the output device 

MIMO processor 220 then provides N? modulation symbol 304 , such as a monitor or speakers . The transceiver 314 is 

streams to N , transmitters ( TMTR ) 222a through 222t . In used to receive and transmit wireless signals , delivering certain embodiments , TX MIMO processor 220 applies received signals to the control circuit 306 , and outputting beamforming weights to the symbols of the data streams and signals generated by the control circuit 306 wirelessly . The 

to the antenna from which the symbol is being transmitted . 45 communication device 300 in a wireless communication Each transmitter 222 receives and processes a respective system can also be utilized for realizing the AN 100 in FIG . symbol stream to provide one or more analog signals , and 1 . further conditions ( e.g. , amplifies , filters , and upconverts ) FIG . 4 is a simplified block diagram of the program code 

the analog signals to provide a modulated signal suitable for 312 shown in FIG . 3 in accordance with one embodiment of 

transmission over the MIMO channel . N modulated signals 50 the invention . In this embodiment , the program code 312 from transmitters 222a through 222t are then transmitted includes an application layer 400 , a Layer 3 portion 402 , and 

from N , antennas 224a through 224t , respectively . a Layer 2 portion 404 , and is coupled to a Layer 1 portion 

At receiver system 250 , the transmitted modulated signals 406. The Layer 3 portion 402 generally performs radio 

are received by NR antennas 252a through 252r and the resource control . The Layer 2 portion 404 generally per received signal from each antenna 252 is provided to a 55 forms link control . The Layer 1 portion 406 generally respective receiver ( RCVR ) 254a through 254r . Each performs physical connections . receiver 254 conditions ( e.g. , filters , amplifies , and down- In the Final Chairman's Note of 3GPP TSG RAN WG1 

converts ) a respective received signal , digitizes the condi- Meeting # 90bis , the following agreements and working tioned signal to provide samples , and further processes the assumptions were reached : 

samples to provide a corresponding “ received ” symbol 60 Agreements : 

stream . One set of the following parameters determines a set of 

An RX data processor 260 then receives and processes the 

NR received symbol streams from NR receivers 254 based on A set of aggregation levels 

a particular receiver processing technique to provide N , The number of PDCCH candidates for each aggrega 

“ detected ” symbol streams . The RX data processor 260 then 65 tion level 

demodulates , deinterleaves , and decodes each detected sym PDCCH monitoring occasion for the set of search 

bol stream to recover the traffic data for the data stream . The spaces 

search spaces 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 12 of 29 PageID #: 36
5 

Sim , CORESET 

5 CORESET 

r = 

C = 

C = [ NREG CORESET / ( LR ) ) 

10 

cell 

15 

20 

30 

US 10,951,359 B2 

6 

Agreements : N. 

At least for cases other than initial access , to identify a set layer parameter CORESET - REG - bundle - size . The inter 

of search spaces , following parameters are configured leaver is defined by by UE - specific RRC signaling : 

The number of PDCCH candidates for each aggrega tion level of { 1 , 2 , 4 , 8 , [ 16 ] } f ( j ) = ( 1C + c + Nshift ) mod ( NREG / L ) j = CR + r One value from { 0 , 1 , 2 , 3 , 4 , 5 , 6 , 8 } 0,1 , ... , R - 1 

PDCCH monitoring occasion for the set of search 0,1 , ... , C - 1 

spaces 

One value of from { 1 - slot , 2 - slot , [ 5 - slot ] , [ 10 - slot ) , [ 20 - slot ] } ( at least 5 values ) where RE { 2,3,6 } is given by the higher - layer parameter 

One or more value ( s ) from 1st symbol , 2nd CORESET - interleaver - size and where 

symbol , ... , 14th symbol within a monitored slot nshift is a function of ND for a PDCCH transmitted in 

Each set of search spaces associates with a CORESET a CORESET configured by the PBCH or RMSI 

configuration by RRC signaling nshipE { 0 , 1 , ... , 274 } is a function of the higher - layer 

Update After Email Approval : parameter CORESET - shift - index . 

Agreements : The UE may assume 

the same precoding in the frequency domain being used For PDCCH monitoring occasion of 1 - slot , 2 - slot , within a REG bundle if the higher - layer parameter [ 5 - slot ] , [ 10 - slot ] , and [ 20 - slot ] , CORESET - precoder - granularity equals CORESET Slot - level offset value for PDCCH monitoring occasion REG - bundle - size is also supported . the same precoding in the frequency domain being used For N - slot monitoring occasion , the offset is one across the all resource - element groups within the set of from [ 0 , N - 1 ] contiguous resource blocks in the CORESET if the Note : symbol - level bit map of monitoring occasion 25 higher - layer parameter CORESET - precoder - granular within a slot agreed at RAN1 # 90bis is still available . ity equals the size of the CORESET in the frequency In 3GPP R1-1721341 , some configurations of the PDCCH domain structure are quoted below : For a CORESET configured by PBCH , L = 6 . 7.3.2 Physical Downlink Control Channel ( PDCCH ) 7.3.2.3 Scrambling 7.3.2.1 Control - Channel Element ( CCE ) The UE shall assume the block of bits b ( 0 ) , ... , b ( Mbit - 1 ) , A physical downlink control channel consists of one or more where Mbit is the number of bits transmitted on the physical control - channel elements ( CCEs ) as indicated in Table channel , is scrambled prior to modulation , resulting in a 7.3.2.1-1 . block of scrambled bits Þ ( 0 ) , ... , 5 ( Mbit - 1 ) according to FIG . 5 ( a reproduction of Table 7.3.2.1-1 taken from 3GPP 

R1-1721341 ) . b ( i ) = ( b ( i ) + c ( i ) ) mod 2 7.3.2.2 Control - Resource Set ( CORESET ) 

A control - resource set consists of NRB where the scrambling sequence c ( i ) is given by clause 5.2.1 . blocks in the frequency domain , given by the higher - layer 7.3.2.4 PDCCH Modulation 

parameter CORESET - freq - dom , and No symb The UE shall assume the block of bits ( 0 ) , ... , 5 ( Mbit - 1 ) 3 } symbols in the time domain , given by the higher - layer 40 to be QPSK modulated as described in clause 5.1.3 , resulting 

parameter CORESET - time - dur ,where N 1 = 3 is in block of complex - valued modulation symbols 

supported only if higher - layer parameter DL - DMRS - type A d ( 0 ) , . d ( Msymb – 1 ) . pos equals 3 . 7.3.2.5 Mapping to Physical Resources 

A control - channel element consists of 6 resource - element The UE shall assume the block of complex - valued symbols 

groups ( REGs ) where a resource - element group equals one 45 d ( 0 ) , ... , d ( Msymb - 1 ) to be scaled by a factor BPDcch and 

resource block during one OFDM symbol . Resource - ele- mapped to resource elements ( k , 1 ) p , in increasing order of 

ment groups within a control - resource set are numbered in first k , then 1 , in the resource - element groups used for the 

increasing order in a time - first manner , starting with 0 for the monitored PDCCH . 

first OFDM symbol and the lowest - numbered resource block 7.4.1.3 Demodulation Reference Signals for PDCCH 

in the control resource set . 7.4.1.3.1 Sequence Generation 

A UE can be configured with multiple control - resource sets . The UE shall assume the reference - signal sequence r ( m ) is 

Each control - resource set is associated with one CCE - to defined by 

REG mapping only . The CCE - TO - REG mapping for a control - resource set can be 

interleaved or non - interleaved , configured by the higher- 55 r ( m ) = ( 1 – 2.c ( 2m ) ) + j ; = ( 1 -2.c ( 2m + 1 ) ) . layer parameter CORESET - CCE - REG - mapping - type , and v2 

is described by REG bundles : 

REG bundlei is defined as REGs { il , iL + 1 , ... , iL + L - 1 } where the pseudo - random sequence c ( i ) is defined in clause where L is the REG bundle size , i = 0 , 1 , .. 5.2.1 . NREG CORESET / L - 1 , and 60 7.4.1.3.2 Mapping to Physical Resources N , IN ? is the num The UE shall assume the sequence r ( m ) is mapped to ber of REGs in the CORESET physical resource elements according to CCE j consists of REG bundles { f ( 6j / L ) , f ( 6j / L + 1 ) , . f ( 6j / L + 6 / L - 1 ) } where f ( ) is an interleaver 

For non - interleaved CCE - to - REG mapping , L = 6 and f ( j ) = 65 { P , u ) = BDMRS ' r ( 3n + k ' ) For interleaved CCE - to - REG mapping , LE { 2,6 } for RB [ n / N , 1+ 4k ' + 1 

N and " , 6 } for 

35 

CORESET resource 

CORESETE { 1,2 , CORESET symb 

50 

1 1 TI ita 

' RE CORESETEN , RB CORESET CORESET symb 

aki k = N. RB ] CORESET symb 

CORESET = 1 LE { Nsymb CORSET symb 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 13 of 29 PageID #: 37
CORESET symb 

cell ; 

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7 8 

-continued block indexes indicated by SSB - transmitted , the UE receives the PDCCH by excluding REs corresponding to 

k ' = 0,1,2 SS / PBCH block indexes indicated by SSB - transmitted . 1 = n mod N n = 0,1 , ... If a carrier aggregation capability for a UE , as included in 

5 UE - NR - Capability , is larger than X , the UE includes in 

UE - NR - Capability an indication for a maximum number of where the following conditions are fulfilled PDCCH candidates the UE can monitor per slot when the they are within the resource element groups constituting UE is configured for carrier aggregation operation over more the PDCCH the UE attempts to decode if the higher than X cells . When the UE is configured for carrier aggre layer parameter CORESET - precoder - granularity 10 gation operation over more than X cells , the UE is not equals CORESET - REG - bundle - size , expected to be configured with a number of PDCCH can all resource - element groups within the set of contiguous 

resource blocks in the CORESET where the UE didates to monitor per slot that is larger than the maximum 

number . attempts to decode the PDCCH if the higher - layer parameter CORESET - precoder - granularity equals the 1s 10.1 UE Procedure for Determining Physical Downlink 

size of the CORESET in the frequency domain . Control Channel Assignment 

The reference point for k is A set of PDCCH candidates for a UE to monitor is defined 

subcarrier 0 of the lowest - numbered common resource in terms of PDCCH search spaces . A search space can be a 

block in the CORESET if the CORESET is configured common search space or a UE - specific search space . A UE 

by the PBCH or RMSI , 20 shall monitor PDCCH candidates in non - DRX slots in one 

subcarrier 0 in common resource block 0 otherwise or more of the following search spaces 

The reference point for 1 is the first OFDM symbol fo the a TypeO - PDCCH common search space for a DCI format 

CORESET . with CRC scrambled by a SI - RNTI on a primary cell ; 

A UE not attempting to detect a PDCCH in a CORESET a TypeOA - PDCCH common search space for a DCI 

shall not make any assumptions on the presence or absence 25 format with CRC scrambled by a SI - RNTI on a primary of DM - RS in the CORESET . 

In absence of CSI - RS or TRS configuration , and unless a Type1 - PDCCH common search space for a DCI format 

otherwise configured , the UE may assume PDCCH DM - RS with CRC scrambled by a RA - RNTI , or a TC - RNTI , or 

and SS / PBCH block to be quasi co - located with respect to a C - RNTI on a primary cell ; 

Doppler shift , Doppler spread , average delay , delay spread , 30 a Type2 - PDCCH common search space for a DCI format 

and spatial Rx . with CRC scrambled by a P - RNTI on a primary cell ; 

A CORESET can be configured with an association a Type3 - PDCCH common search space for a DCI format 

between the DMRS antenna port of receiving the CORESET with CRC scrambled by INT- or SFI - RNTI , or 

and one or more than one reference signal ( s ) . In 3GPP TPC - PUSCH - RNTI , or TPC - PUCCH - RNTI , or TPC 

R1-1721343 , the following quotation specifies the UE pro- 35 SRS - RNTI , or C - RNTI , or CS - RNTI ( s ) ; and 

cedure for receiving control information . a UE - specific search space for a DCI format with CRC 

10 UE Procedure for Receiving Control Information scrambled by C - RNTI or CS - RNTI ( S ) . If the UE is configured with a SCG , the UE shall apply the A UE is provided a configuration for a control resource set 

procedures described in this clause for both MCG and SCG for TypeO - PDCCH common search space by higher layer When the procedures are applied for MCG , the terms 40 parameter RMSI - PDCCH - Config and a subcarrier spacing “ secondary cell ' , ' secondary cells ' , ' serving cell ' , by higher layer parameter RMSI - scs for PDCCH reception . “ serving cells ' in this clause refer to secondary cell , The UE determines the control resource set and the moni 

secondary cells , serving cell , serving cells belonging to toring occasions for TypeO - PDCCH common search space the MCG respectively . as described in Subclause 14. The TypeO - PDCCH common 

When the procedures are applied for SCG , the terms 45 search space is defined by the CCE aggregation levels and 

“ secondary cell , “ secondary cells ' , ' serving cell ’ , the number of candidates per CCE aggregation level given “ serving cells in this clause refer to secondary cell , in Table 10.1-1 . secondary cells ( not including PSCell ) , serving cell , The UE may assume that the DM - RS antenna port associ serving cells belonging to the SCG respectively . The ated with PDCCH reception in the TypeO - PDCCH common 

term “ primary cell ’ in this clause refers to the PSCell of 50 search space and the Type2 - PDCCH common search space , the SCG . and for corresponding PDSCH receptions , and the DM - RS 

A UE shall monitor a set of PDCCH candidates in one or antenna port associated with SS / PBCH reception are quasi 

more control resource sets on the active DL BWP on each co - located with respect to delay spread , Doppler spread , activated serving cell according to corresponding search Doppler shift , average delay , and spatial Rx parameters . The 

spaces where monitoring implies decoding each PDCCH 55 value for the DM - RS scrambling sequence initialization is candidate according to the monitored DCI formats . the cell ID . 

A UE can be configured by higher layer parameter SSB- For TypeOA - PDCCH common search space or for Type - 2 

periodicity - serving - cell a periodicity of half frames for PDCCH common search space , the control resource set is 

transmission of SS / PBCH blocks in a serving cell . If the UE same as the control resource set for TypeO - PDCCH common 

has received SSB - transmitted - SIB1 and has not received 60 search space . A UE is provided a configuration for Type0A SSB - transmitted and if REs for a PDCCH reception overlap PDCCH common search space by higher layer parameter with REs corresponding to SS / PBCH block indexes indi- osi - SearchSpace . A UE is provided a configuration for 

cated by SSB - transmitted - SIB1 , the UE receives the Type2 - PDCCH common search space by higher layer PDCCH by excluding REs corresponding to SS / PBCH parameter paging - SearchSpace . block indexes indicated by SSB - transmitted - SIB1 . If a UE 65 A subcarrier spacing and a CP length for PDCCH reception has received SSB - transmitted and if REs for a PDCCH with TypeOA - PDCCH common search space , or Typel reception overlap with REs corresponding to SS / PBCH PDCCH common search space , or Type - 2 PDCCH common 

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NRB BWP 

10 

15 

CCE aggre 

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9 10 

search space are same as for PDCCH reception with Typel- For each control resource set in a DL BWP of a serving cell , PDCCH common search space . a respective higher layer parameter CORESET - freq - dom 

A UE may assume that the DM - RS antenna port associated provides a bitmap . The bits of the bitmap have a one - to - one 

with PDCCH reception in the Type0A - PDCCH common mapping with non - overlapping groups of 6 PRBs , in ascend 

search space and the DM - RS antenna port associated with 5 ing order of the PRB index in the DL BWP bandwidth of 

SS / PBCH reception are quasi co - located with respect to PRBs where the first PRB of the first group of 6 

delay spread , Doppler spread , Doppler shift , average delay , PRBs has index 6. ( NRBBWP / 6 ) . and spatial Rx parameters . If the UE has not received an indication for an antenna port 

A UE may assume that the DM - RS antenna port associated quasi co - location from the set of antenna port quasi co 

with PDCCH reception and associated PDSCH reception in locations provided by TCI - StatesPDCCH , the UE assumes 

the Type1 - PDCCH common search space are quasi co- that the DM - RS antenna port associated with PDCCH 

located with the DM - RS antenna port of the SS / PBCH reception in the UE - specific search space is quasi co - located 

reception associated with a corresponding PRACH trans- with the DM - RS antenna port associated with PBCH recep mission . tion with respect to delay spread , Doppler spread , Doppler If a value for the DM - RS scrambling sequence initialization shift , average delay , and spatial Rx parameters . for TypeOA - PDCCH common search space , or Typel- For each serving cell that a UE is configured to monitor 

PDCCH common search space , or Type - 2 PDCCH common PDCCH in a search space other than TypeO - PDCCH com 

search space is not provided by higher layer parameter mon search space , the UE is configured the following : 

PDCCH - DMRS - Scrambling - ID in SystemInformation- 20 a number of search space sets by higher layer parameter BlockTypel , the value is the cell ID . search - space - config ; 

If a UE is configured for downlink bandwidth part ( BWP ) for each search space set in a control resource set p operation , as described in Subclause 12 , the above configu an indication that the search space set is a common 

rations for the common search spaces apply for the initial search space set or a UE - specific search space set by active DL BWP . The UE can be additionally configured a 25 higher layer parameter Common - search - space - flag ; 

control resource set for TypeO - PDCCH common search a number of PDCCH candidates M , per 

space , TypeOA - PDCCH common search space , Typel gation level L by higher layer parameters Aggrega 

PDCCH common search space , or Type2 - PDCCH common tion - level - 1 , Aggregation - level - 2 , Aggregation search space for each configured DL BWP on the primary level - 4 , Aggregation - level - 8 , and Aggregation - level 

cell , other than the initial active DL BWP , as described in 30 16 , for CCE aggregation level 1 , CCE aggregation Subclause 12 . level 2 , CCE aggregation level 4 , CCE aggregation FIG . 6 ( a reproduction of Table 10.1-1 from 3GPP level 8 , and CCE aggregation level 16 , respectively ; 

R1-1721343 showing CCE aggregation levels and number a PDCCH monitoring periodicity of k , slots by higher of candidates per CCE aggregation level for PDCCH sched layer parameter Monitoring - periodicity - PDCCH 

uling System InformationBlock Typel in TypeO - PDCCH 35 slot ; 

common search space ) a PDCCH monitoring offset of op slots , where 0so < kp , For a serving cell , higher layer signalling provides a UE with by higher layer parameter Monitoring offset 

P control resource sets . For control resource set p , Osp < P PDCCH - slot ; 

where a UE - specific search space , a Type2 - PDCCH com a PDCCH monitoring pattern within a slot , indicating 

mon search space , or a Type3 - PDCCH common search 40 first symbol ( s ) of the control resource set within a 

space is mapped , the higher layer signalling provides : slot for PDCCH monitoring , by higher layer param 

a control resource set index by higher layer parameter eter Monitoring - symbols - PDCCH - within - slot . CORESET - ID ; A UE determines a PDCCH monitoring occasion from the 

a DM - RS scrambling sequence initialization value by PDCCH monitoring periodicity , the PDCCH monitoring higher layer parameter PDCCH - DMRS - Scrambling- 45 offset , and the PDCCH monitoring pattern within a slot . ID ; A PDCCH UE - specific search space Sky ' at CCE aggrega 

a number of consecutive symbols provided by higher tion level LE { 1 , 2 , 4 , 8 , 16 } is defined by a set of PDCCH 

layer parameter CORESET - time - duration ; candidates for CCE aggregation level L. 

a set of resource blocks provided by higher layer param- If a UE is configured with higher layer parameter Cross 

eter CORESET - freq - dom ; 50 CarrierSchedulingConfig for a serving cell the carrier indi 

a CCE - TO - REG mapping provided by higher layer param- cator field value corresponds to the value indicated by 

eter CORESET - CCE - TO - REG - mapping - type ; CrossCarrierSchedulingConfig . a REG bundle size , in case of interleaved CCE - TO - REG For a serving cell on which a UE monitors PDCCH candi mapping , provided by higher layer parameter CORE- dates in a UE - specific search space , if the UE is not 

SET - REG - bundle - size ; 55 configured with a carrier indicator field , the UE shall moni 

a cyclic shift for the REG bundle interleaver [ 4 , 38.211 ] tor the PDCCH candidates without carrier indicator field . by higher layer parameter CORESET - shift - index ; For a serving cell on which a UE monitors PDCCH candi 

an antenna port quasi co - location , from a set of antenna dates in a UE - specific search space , if a UE is configured port quasi co - locations provided by higher layer param- with a carrier indicator field , the UE shall monitor the 

eter TCI - StatesPDCCH , indicating quasi co - location 60 PDCCH candidates with carrier indicator field . information of the DM - RS antenna port for PDCCH A UE is not expected to monitor PDCCH candidates on a reception ; secondary cell if the UE is configured to monitor PDCCH 

an indication for a presence or absence of a transmission candidates with carrier indicator field corresponding to that 

configuration indication ( TCI ) field for DCI format 1_0 secondary cell in another serving cell . For the serving cell on 

or DCI format 1_1 transmitted by a PDCCH in control 65 which the UE monitors PDCCH candidates , the UE shall 

resource set p , by higher layer parameter TCI - Pre- monitor PDCCH candidates at least for the same serving 

sentInDCI . cell . 

( L ) 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 15 of 29 PageID #: 39
( L ) 

Mnç? ??? 

mnci · NCCE , + + nci ar ( L ) 

p.max 

+ 1 

10 

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11 12 

For a control resource set p , the CCEs corresponding to for a UE - specific search space , Mp , max is the maximum of 

PDCCH candidate m of the search space for a serving cell M ( 1 ) for all corresponding D?I formats over all config corresponding to carrier indicator field value nci are given ured values for a CCE aggregation level L in control by resource set p ; the RNTI value used for nenty is defined in 

5 [ 5 , TS 38.212 ] and in [ 6 , TS 38.214 ] . A UE configured to monitor PDCCH candidates in a serving 

p , kp [ NCE.pl cell with a DCI format size with carrier indicator field and 

L.M. CRC scrambled by C - RNTI , where the PDCCH candi 

dates may have one or more possible values of carrier 

where indicator field for the DCI format size , shall assume that 

for any common search space , Y = 0 ; an PDCCH candidate with the DCI format size may be 

for a UE specific search space , Yp , k , = ( A , Y , transmitted in the serving cell in any PDCCH UE specific search space corresponding to any of the possible values Yp , -1 = nRnT70 , Ao = 39827 , A1 = 39829 , and D = 65537 ; of carrier indicator field for the DCI format size . i = 0 , . , L - 1 ; 

ncy is the carrier indicator field value if the UE is configured In 3GPP TS 38.331 , PDCCH - Config IE in the RRC 

with a carrier indicator field for the serving cell on which standard is quoted as follows : 

PDCCH is monitored ; otherwise , including for any common PDCCH - Config search space , nci 0 ; The PDCCH - Config IE is used to configure UE specific NCCEP is the number of CCEs , numbered from 0 to 20 PDCCH parameters such as control resource sets ( CORE Nccep - 1 , in control resource set p ; 

= 0 , M , ( 1 ) -1 , where M , SET ) , search spaces and additional parameters for acquiring ( L ) is the number of the PDCCH . PDCCH candidates the UE is configured to monitor for aggregation level L for a serving cell corresponding to nci ; 

for any common search space , Mp , max_ = M2,0 PDCCH - Config Information Element 

pok , 

Pokg - 1 ) mod D , 

15 

mnc ? , ??? P.NCI 

( L ) . 

ASNISTART 

TAG - PDCCH - CONFIG - START 

Downlink control channel related parameters 

PDCCH - Config = SEQUENCE { List of Control Resource Sets ( CORESETs ) to be used by the 

UE 

• controlResourceSetToAddModList SEQUENCE ( SIZE 

( 1..maxNrofControlResourceSets ) ) OF ControlResourceSet 

OPTIONAL , • controlResourceSetToRelease List SEQUENCE ( SIZE 

( 1..maxNrofControlResourceSets ) ) OF Control Resourceld 

OPTIONAL 

searchSpacesToAddMod List SEQUENCE ( SIZE ( 1..maxNrofSearchSpaces ) OF SearchSpace • OPTIONAL , searchSpacesToRelease List 

( 1..maxNrofSearchSpaces ) OF SearchSpaceld SEQUENCE ( SIZE 

OPTIONAL 

FFS : Is this timing information applicable to the entire 

PDCCH or could it be different per CORESET ? 

FFS : Is there a default timing ( to be used at least until first reconfiguration ) . Are the fields optionally present ? timing SEQUENCE { dl - assignment - to - DL - data TYPE_FFS !, ul - assignment - to - UL - data TYPE_FFS !, dl - data - to - UL - ACK TYPE_FFS ! 

} 

OPTIONAL , 

} 

A time / frequency control resource set ( CORESET ) in which to 

search for downlink control information ( see 38.213 , section 

X.X.X.x ) FFS_Ref • ControlResourceSet :: = SEQUENCE { • controlResourceSetid ControlResourceSetid , 

. 

-- Frequency domain resources for the CORESET . The network 

ensures that the CORESET is within the BWP configured for a UE . ( see 38.213 , REF ) frequencyDomainResources TYPE_FFS !, • -- Starting OFDM symbol for the CORESET ( see 38.213 , REF ) startSymbol INTEGER 

( 0..maxCoReSetStartSymbol ) , • -- Contiguouse time duration of the CORESET in number of 

symbols see 38.213 , section x.x.x.x ) FFS_Ref 

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-continued 

• duration INTEGER ( 1..maxCoReSetDuration ) , Resource Element Groups ( REGS ) can be bundled to create REG 

bundles . This parameter defines the size of such bundles . - ( see 38.211 , section 7.3.2.2 ) 

reg - BundleSize ENUMERATED { n2 , n3 , n6 } , Mapping of Control Channel Elements ( CCE ) to Resource 

Element Groups ( REG ) . ( see 38.211 , 38.213 , FFS_REF ) 

cce - reg - MappingType ENUMERATED { interleaved , nonInterleaved } , • -- Precoder granularity in frequency domain ( see 38.213 , section FFS_REF ) precoderGranularity TYPE_FFS !, Corresponds to Ll parameter ' CORESET - interleaver - rows ' ( see 

38.211 , 38.213 , section FFS_Section ) • interleaverRows ENUMERATED { n2 , n3 , n6 } • OPTIONAL , 

Corresponds to L1 parameter ' CORESET - shift - index ' ( see 

38.211 , 38.213 , section FFS_Section ) • shiftIndex FFS Value 

• OPTIONAL , 

Reference to a configured TCI State providing QCL configuration / indication for PDCCH . Corresponds to Li parameter ‘ TCI - State Refld ' ( see 38.211 , 38.213 , section FFS_Section ) • tci - State Refld FFS_Value 

• OPTIONAL , 

PDCCH DMRS scrambling initalization . Corresponds to L1 

parameter ‘ PDCCH - DMRS - Scrambling - ID ' ( see 38.214 , section 5.1 ) 

When the field is absent the UE applies the value TBD / FFS pdcch - DMRS - ScramblingID FFS_Value 

OPTIONAL 

} 

ID of a Control Resource Set . • ControlResourceSetId :: = ( 0..maxNrofControlResourceSets - 1 ) 

INTEGER 

A search space defines how / where to search for PDCCH 

candidates . A search space is associated with one Control 

Resource Set 

• SearchSpace :: = SEQUENCE { searchSpaceId SearchSpaceld , 

The CORESET applicable for this SearchSpace . FFS : Value 0 identifies the common CORESET configured in MIB ? 

- FFS : Values 1..maxNrofControl ResourceSets - 1 identify CORESETs configured by dedicated signalling ? • controlResourceSetid Control ResourceSetid , 

Slots for PDCCH Monitoring configured as periodicity and offset . Corresponds to L1 parameters ‘ Montoring - periodicity 

PDCCH - slot ' and -- ‘ Montoring - offset - PDCCH - slot ' ( see 38.213 , section 10 ) -- s115 , s110 , s120 FFS monitoringSlotPeriodicityAndOffset CHOICE { sl1 NULL , s12 INTEGER ( 0..1 ) , s15 INTEGER ( 0..4 ) , sl10 INTEGER ( 0..9 ) , s120 INTEGER ( 0..19 ) } 

OPTIONAL , 

Symbols for PDCCH monitoring in the slots configured for 

PDCCH monitoring ( see monitoringSlotPeriodicityAndOffset ) . The most significant ( left ) bit represents the first OFDM 

in a slot . The least significant ( right ) bit represents the last 

symbol . Corresponds to Li parameter ‘ Montoring - symbols - PDCCH 

within - slot ' ( see 38.213 , section 10 ) 

• monitoringSymbolsWithinSlot • OPTIONAL , BIT STRING ( SIZE ( 14 ) ) 

Number of candidates per aggregation level . Corresponds to 

Li parameter ‘ Aggregation - level - 1 ' to ' Aggregation - level - 8 ' 

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15 16 

-continued 

SEQUENCE { ENUMERATED { no , nl , n2 , n3 , 

. ENUMERATED { no , n1 , n2 , n3 , 

( see 38.213 , section 10 ) • nrofCandidates 

aggregation Level1 

n4 , n5 , no , n8 } , aggregation Level2 

n4 , n5 , n6 , n8 } , aggregation Level4 

n4 , n5 , n6 , n8 } , aggregationLevel8 n4 , n5 , n6 , n8 } 

ENUMERATED { n0 , n1 , n2 , n3 , 

ENUMERATED { n0 , nl , n2 , n3 , 

15 

are 

25 

The following terminology and assumption may be used 00000000000001 , how a UE handle this configuration also 

hereafter in the detailed description : needs further consideration . Potential solutions 

BS : a network central unit or a network node in NR which described below . 

is used to control one or multiple TRPs which are According to one solution , a restriction on the configu associated with one or multiple cells . Communication 20 ration of a CORESET is established . The UE does not expect between BS and TRP ( s ) is via fronthaul . BS may be to receive a CORESET configuration with an overlap referred to as central unit ( CU ) , eNB , gNB , or NodeB . OFDM symbols indicated by a bit map indication and the 

TRP : a transmission and reception point provides network CORESET duration and / or with a CORESET monitoring 

coverage and directly communicates with UEs . TRP pattern across a slot boundary . may be referred to as distributed unit ( DU ) or network According to another solution , the UE is configured to or 

node . could deal with one of the above - possible scenarios . For 

Cell : a cell is composed of one or multiple associated example , a UE is configured with a CORESET . Alterna 

TRPs , i.e. coverage of the cell is composed of coverage tively , the UE receives a signal indicating configuration of a 

of all associated TRP ( s ) . One cell is controlled by one CORESET . The configuration of the CORESET includes at 

BS . Cell may be referred to as TRP group ( TRPG ) . 30 least time duration of the CORESET and a bit map . The bit 

map comprises 14 bits . A set of the bit position ( s ) in the bit NR - PDCCH : A channel carries downlink control signal map have value one . The set of bit position ( s ) indicates the which is used to control communication between a UE starting OFDM symbol ( s ) in a slot for monitoring the and a network side . A network transmits NR - PDCCH CORESET . The interval ( or distance ) between each bit 

on configured control resource set ( CORESET ) to the 35 position ( indicating value one ) in the set ( or bitmap ) is larger UE . than or equal to a number . The interval ( or distance ) between Slot : a scheduling unit in NR . Slot duration is 14 OFDM two bit positions indicating the value one in the bit map is symbols . larger than or equal to a number . The interval ( or distance ) Mini - slot : a scheduling unit with duration less than 14 between two neighboring bit positions indicating value one 

OFDM symbols . 40 in the set is larger than or equal to a number . Two neigh In the current NR standard as disclosed in 3GPP boring bit positions indicating the value one could be the two 

R1-1721343 and TS 38.331 , a CORESET can be configured closest bit positions indicating value 1. An interval or 

by indicating time duration and a bit map . The bit map may distance between two bit positions could be a number of bits indicate at least a starting OFDM symbol for monitoring the between the two bit positions . The two bit positions could be 

CORESET in a slot . Each bit in the bit map corresponds to 45 neglected when calculating the interval or distance . For 

an OFDM symbol in a slot . If a bit position in the bit map example , an interval or distance between two bit positions has a value of one , it represents a starting OFDM symbol for indicating value 1 for a bitmap “ 10001000000000 ” is 3 . monitoring the CORESET . The CORESET may be moni- Alternatively , an interval or distance between two bit posi tored from at least a starting OFDM symbol ( s ) indicated by tions could be difference of the two bit positions . the bit map and occupying following OFDM symbol ( s ) until 50 In one embodiment , the number is the time duration of the 

the configured time duration is reached . For example , if the CORESET . Alternatively , the number is the time duration of 

time duration of a CORESET is configured as 2 and the bit the CORESET minus one . In another alternative , the number 

map indicates 10000000000000 , the UE may monitor the is the maximum time duration of the CORESET minus one . CORESET ( receive at least a PDCCH ) on OFDM symbol # 0 For example , if time duration of a CORESET is configured and # 1 in a slot . 55 as 2 , a bit map of a CORESET has a restriction that interval 

However , if a bit map indicates a starting OFDM symbol between two bit positions indicating value one is larger than belonging to the following OFDM symbol ( s ) of previous or equal to 2 minus 1 ( e.g. , the bit map is 10100000000000 ) . starting OFDM symbol indicated by the bit map ( e.g. , time The UE does not expect to receive a configuration of a bit 

duration of a CORESET is 2 and the bit map is map such that the interval ( or distance ) between the two bit 

1100000000000000 ) , a UE may be confused about the 60 positions indicating value one in the bit map is smaller than configuration . If this situation does not specify nor is cap- the number ( e.g. , the bit map is 11000000000000 ) . The UE 

tured in the standard , how a UE treat this situation needs could ignore a configuration of the bit map such that the 

further consideration . In addition , if the bit map indicates a interval ( or distance ) between two bit positions indicating starting OFDM symbol on the last few OFDM symbols of a value one in the bit map is smaller than the number ( e.g. , the 

slot , this may create a problem where the CORESET may be 65 bit map is 11000000000000 when the number is 1 ) . The UE configured across a slot boundary . For example , if time could ignore part of the bit map such that the interval ( or 

duration of a CORESET is 2 and the bit map is distance ) between the bit positions indicating value one in 

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a bit map 

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17 18 

the part of the bit map is smaller than the number ( e.g. , if the depends on number of last orphan bit ( s ) . Alternatively , the 

bit map is 11000000100000 , the UE ignores the first two 1 last orphan bit ( s ) in the number of contiguous bit ( s ) with the 

and applies the last 1 when the number is 1 ) . The UE does value 1 can be ignored by the UE . For example , when a UE 

not apply a configuration of the bit map such that the interval is configured with a time duration 2 and a bit map ( or distance ) between two bit positions indicating value one 5 “ 11110000000000 " , the UE monitors the CORESET for the in the bit map is smaller than the number ( e.g. , the bit map following symbols in a slot : { 1st symbol , 2nd symbol } , { 3rd 

is 11000000000000 when the number is 1 ) . symbol ,4th symbol } . In another example , when a UE is 

In one embodiment ,a base station does not configure the configured with time duration 2 and 

UE with a bit map such that the interval ( or distance ) “ 1110000000000 " , the UE monitors the CORESET for the between two bit positions indicating value one in the bit map 10 following symbols in a slot : { 1st symbol , 2nd symbol } , { 3rd 

is smaller than the number ( e.g. , the bit map is symbol } . In a similar example , when a UE is configured 11000000000000 when the number is 1 ) . The most signifi- with a time duration 2 and a bit map “ 1110000000000 " , the 

cant bit in the bit map represents the first OFDM symbol in UE monitors the CORESET for the following symbols in a 

a slot . The least significant bit in the bit map represents the slot : { 1st symbol , 2nd symbol } . In this example , the UE last OFDM symbol in a slot . The signal could be PDCCH- 15 ignores { 3rd symbol } indicated by the bit map . Config . The bitmap could be monitoringSymbols WithinSlot . Alternatively , if bit map indicates a number of contiguous The time duration could be CORESET - time - duration . The bit position ( s ) with value 1 , which the number is larger than 

UE may monitor the CORESET on the OFDM symbol ( s ) in the time duration of the CORESET , the UE may interpret the 

a slot based on the signal . The UE may monitor the CORE- number of contiguous bit position ( s ) with the value 1 as at 

SET on OFDM symbol ( s ) starting from each bit position in 20 least a monitoring occasion for the CORESET in which the the set in a slot . time duration of the CORESET is the number of the con 

Alternatively , the bit map can indicate at least a monitor- tiguous bit position ( s ) with value 1. For example , when a UE 

ing occasion for the CORESET by indicating a starting is configured with the time duration 2 and a bit map OFDM symbol with the following contiguous OFDM sym- “ 11100110000000 ” , the UE monitors the CORESET for the 

bol ( s ) until the time duration of the CORESET is reached . 25 following symbols in a slot : { 1st symbol , 2nd symbol , 3rd The UE may interpret the bit map based on the time duration symbol } , { 5th symbol , 6th symbol } . of the CORESET . For example , when a UE is configured Alternatively , if a bit map indicates a number of contigu with a time duration 2 and a bit map “ 11011000000000 ” , the ous bit position ( s ) with value 1 wherein the number is larger UE monitors the CORESET the following symbols in a slot : than the time duration of the CORESET , the UE may { 1st symbol , 2nd symbol } and { 4th symbol , 5th symbol } . 30 interpret the number of contiguous bit position ( s ) with the 

Within a slot , different monitoring occasions for the value 1 as at least a monitoring occasion for the CORESET 

CORESET indicated by the bit map can be separated by at in which the time duration of the CORESET is the maximum 

least one bit position indicating the value 0. If the bit map time duration of a CORESET . For example , when a UE is 

indicates a number of contiguous bit position ( s ) with the configured with time duration 2 and 

value 1 , which the number is smaller than the time duration 35 “ 11110000000000 " , the UE monitors the CORESET for the 

of the CORESET , the UE may interpret the number of following symbols in a slot : { 1st symbol , 2nd symbol , 3rd contiguous bit position ( s ) with the value 1 indicating a symbol } , { 4th symbol } when the maximum time duration of 

monitoring occasion for the CORESET with time duration the CORESET is 3 . as the number . For example , when a UE is configured with Alternatively , the signal indicates at least a bit map . The 

time duration 3 and a bit map “ 11000101011100 ” , the UE 40 UE may receive the PDCCH on the OFDM symbol ( s ) in a monitors CORESET for the following symbols in a slot : { 1 " slot based on the bit map . The bit map indicates at least a bit symbol , 2nd symbol } , { 6th symbol } , { gih symbol } , and 10th position and / or at least on a contiguous bit position ( s ) as 

symbol , 11th symbol ,12th symbol? . In this example , the UE value one . The UE may monitor a CORESET on the OFDM 

may interpret the number of contiguous bit position ( s ) symbol ( s ) in a slot based on the bit map . The UE may view 

indicating value 1 in the bit map which is smaller than the 45 the contiguous bit position ( s ) as a CORESET . The UE may time duration 3 as a CORESET monitoring occasion with not expect to have the bit map indicating the number of the 

the time duration same as the contiguous number of the contiguous bit position ( s ) with value one exceeds maximum 

value 1 . time duration for a CORESET . If a bit map indicates a number of contiguous bit position Alternatively , if the UE receives the bit map indicating the 

( s ) with the value 1 , wherein the number is larger than the 50 number of the contiguous bit position ( s ) with value one 

time duration of the CORESET , the UE may interpret the exceeds maximum time duration for a CORESET , the UE 

number of contiguous bit position ( s ) with the value 1 as may ignore part of the indication of the bit map . Alterna 

contiguous monitoring occasions for the CORESET with the tively , the UE may ignore the whole indication of the bit 

time duration or smaller than the time duration . More map . For example , when a UE is configured with a bit map specifically , if the number of contiguous bit position ( s ) 55 “ 11010111000000 ” , the UE monitors the CORESET for the indicating the value 1 is multiple of the time duration of the following symbols in a slot : { 1st symbol , 2nd symbol } , { 4th 

CORESET , the UE may interpret the number of contiguous symbol } , { 6th symbol , 7th symbol , gth symbol } when the 

bit position ( s ) with the value 1 as contiguous monitoring maximum time duration of the CORESET is 3. In a similar 

occasion ( s ) for the CORESET with the time duration . If the example , when a UE is configured with a bit map number of contiguous bit position ( s ) indicating the value 1 60 “ 11100001100000 ” , the UE may ignore the first three l’s 

is not a multiple of the time duration of the CORESET , the because it will exceed the maximum time duration if the 

UE may interpret the number of contiguous bit position ( s ) maximum time duration of CORESET is 2. In the above 

with the value 1 as that earlier contiguous bit ( s ) indicates example , the UE may monitor the CORESET in the follow contiguous monitoring occasion ( s ) for the CORESET with ing symbols in a slot : { 8th symbol , gth symbol } . the time duration and the last orphan bit ( s ) indicates a 65 The time duration of a CORESET can be determined monitoring occasion for CORESET with time duration based on the bit map and each contiguous bit position ( s ) smaller than the time duration of the CORESET which with the value one in the bit map . The signal does not 

a bit map 

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indicate the time duration for a CORESET . The signal with too short interval / distance are excluded . In another 

indicates a different configuration for different time duration example , when a UE is configured with time duration 2 and 

CORESET ( s ) . The configuration may comprise at least the a bit map “ 11000101000000 ” , the UE monitors the CORE 

Control Channel Element ( CCE ) -Resource Element Group SET for the following symbols in a slot : { 1st symbol , 2nd ( REG ) mapping type , aggregation level , search space con- symbol } , { 6th symbol , 7th symbol } and { 8th symbol , gth figuration , and frequency resource assignment .The configu symbol } . In this example , one ( the latter one ) of the two bit ration could be PDCCH - config . locations with too short interval / distance are excluded . A In one embodiment , a UE is configured with a CORESET . similar example could be that when a UE is configured with Alternatively , the UE receives a signal indicating the con 

figuration of a CORESET . The configuration of the CORE- 10 monitors the CORESET for the following symbols in a slot : time duration 2 and a bit map “ 11000101000000 " , the UE 

SET comprises at least time duration of the CORESET and { 2nd symbol , 3rd symbol } , { 6th symbol , 7th symbol } and { 8th a bit map . The bit map comprises 14 bits . The first bit 

position and the second bit position in the bit map indicate symbol , 9th symbol } , e.g. , excluding the earlier one . 

the value one . The interval ( or distance ) between the first bit Alternatively , the OFDM symbols for different CORE 

position and the second bit position is smaller than a number .15 SET could overlap . The OFDM symbol between two 

The interval ( or distance ) between two bit positions indi CORESETS could overlap if the interval ( or distance ) 

cating the value one in the bitmap is larger than or equal to between the starting position of the two CORESETs is 

a number . The interval ( or distance ) between two neighbor- shorter than the number . In one example , when a UE is 

ing bit positions indicating the value one in the set is smaller configured with a time duration of 2 and a bit map than a number . The two neighboring bit positions indicating 20 “ 11000101000000 ” , the UE monitors the CORESET for the the value one could be the two closest bit positions indicat- following symbols in a slot : { 1st symbol , 2nd symbol } , { 2nd ing the value 1. An interval or distance between two bit symbol , 3rd symbol } , { 6th symbol , 7th symbol } and { gth positions is the number of bits between the two bit positions . symbol , 9th symbol } . The two bit positions could be neglected when calculating Alternatively , the CORESET time duration of CORE 

the interval or distance . For example , an interval or distance 25 SETs associated with a bitmap within a slot could be 

between two bit positions indicating the value 1 for a bitmap different . The CORESET time duration could be different 

“ 10001000000000 ” is 3. More specifically , the number is the from the configured value if the interval ( or distance ) time duration of the CORESET . Alternatively , the number is between starting symbol of two CORESETs is shorter than 

time duration of the CORESET minus one . Alternatively , the the number . In one example , when a UE is configured with 

number is the maximum time duration of the CORESET 30 a time duration of 2 and a bit map “ 11000101000000 " , the minus one . Alternatively , the number is the maximum time UE monitors the CORESET for the following symbols in a duration of the CORESET minus one . For example , if time slot : { 1st symbol } , { 2nd symbol } , { 6th symbol , 7th symbol } duration of a CORESET is configured as 2 , a bit map of a and { gth symbol , gih symbol } . It can be observed that the 

CORESET may be 11000000000000. The first bit position CORESETs corresponding to the first two bits in the bitmap is closer to the most significant bit in the bit map than the 35 have 1 symbol time duration even if the configured value is 

second bit position . The most significant bit in the bit map 2 , e.g. , due to short interval or distance . In a similar example , represents the first OFDM symbol in a slot . The least when a UE is configured with a time duration of 2 and a bit significant bit in the bit map represents the last OFDM map " 11100101000000 ” , the UE monitors the CORESET symbol in a slot . The signal could be a PDCCH - Config . The for the following symbols in a slot : { 1st symbol } , { 2nd bitmap could be monitoringSymbols WithinSlot . The time 40 symbol } , { 3rd symbol } , { 6th symbol ,7th symbol } and { gth duration could be a CORESET - time - duration . symbol , 9th symbol } or { ist symbol , 2nd symbol } { 3rd sym The UE may monitor the CORESET on OFDM symbol ( s ) bol } , { 6th symbol ,7th symbol } and { gth symbol , gth symbol } in a slot based on the bit map . The UE may monitor the or alternatively { 1st symbol } , { 2nd symbol , 3rd symbol } , { 6th 

CORESET on OFDM symbol ( s ) in a slot starting from the symbol , 7th symbol } and { gih symbol , gth symbol ) . It can be 

bit position ( s ) in the bit map indicating a value . The value 45 observed later two alternatives allow one CORESET corre 

could be one . The UE may monitor the CORESET on sponding to the first three bits in the bit map to have a 

OFDM symbol ( s ) in a slot starting from the bit position ( s ) CORESET time duration with a configured value , i.e. , 2 and 

in the bit map indicating the value . Alternatively , the UE one CORESET have time duration which is different from 

may monitor the CORESET on OFDM symbol ( s ) in a slot the configured value , e.g. , 1. For bit locations corresponding starting from the bit position ( s ) in the bit map indicating the 50 to short interval or distance , time duration can be used as a 

value excluding both or one of two bit position ( s ) wherein maximum time duration or an upper bound of time duration . the interval ( or distance ) between the two bit positions is For bit locations corresponding to a short interval or dis 

smaller than the number . tance , a value of 1 could mean a corresponding symbol Alternatively , the UE may monitor the CORESET on containing the CORESET and the corresponding symbol is 

OFDM symbol ( s ) in a slot starting from bit position ( s ) in the 55 not the first symbol or starting symbol of the CORESET . bit map indicating the value excluding the first bit position Different alternatives or different examples can be applied and the second bit position . Alternatively , the UE may in different slot . For example , the UE may monitor the 

monitor the CORESET on OFDM symbol ( s ) in a slot CORESET on OFDM symbol ( s ) in an even slot ( i.e. , a slot starting from bit position ( s ) in the bit map indicating the with even slot number ) starting from the bit position ( s ) in the value excluding the first bit position . Alternatively , the UE 60 bit map indicating the value excluding the first bit position , may monitor the CORESET on OFDM symbol ( s ) in a slot and the UE may monitor the CORESET on OFDM starting from bit position ( s ) in the bit map indicating the symbol ( s ) in an odd slot starting from the bit position ( s ) in 

value excluding the second bit position . For example , when the bit map indicating the value excluding the second bit 

a UE is configured with time duration 2 and a bit map position or vice versa . Different alternatives or examples can 

“ 11000101000000 ” , the UE monitors the CORESET for the 65 be applied to a configuration or an indication . The configu following symbols in a slot : { 6th symbol , 7th symbol } and ration or indication can be transmitted by a base station to a { gth symbol , 9th symbol } . In this example , the bit locations UE . 

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In one embodiment ,the UE may ignore the configuration For a first CORESET starting symbol ,the UE determines 

of the CORESET . The UE may transmit a Negative one CORESET time duration from the two configured Acknowledgement ( NACK ) as a feedback of the signal . CORESET time durations according to a distance or interval 

In one alternative , the UE may monitor the CORESET on between the first CORESET starting symbol and a second 

OFDM symbol ( s ) in an even slot based on the bit map CORESET starting symbol . Alternatively , the second 

excluding the second bit position . Alternatively , the UE may CORESET starting symbol could be a next CORESET 

monitor the CORESET on OFDM symbol ( s ) in an odd slot starting symbol in a bitmap after the first CORESET starting based on the bit map excluding the second bit position . symbol . In one method , the UE determines a longer CORE 

Alternatively , the UE may monitor the CORESET on SET time duration if the distance or the interval between the 

OFDM symbol ( s ) in an even slot based on the bit map first CORESET starting symbol and the second CORESET excluding the first bit position . Alternatively , the UE may starting symbol is longer than a number . Alternatively , the 

monitor the CORESET on OFDM symbol ( s ) in an odd slot UE determines a shorter CORESET time duration if the 

based on the bit map excluding the first bit position . distance or the interval between the first CORESET starting The signal may include a pattern for indicating the bit symbol and the second CORESET starting symbol is shorter 

map . The pattern indicates a slot level bit map . If the bit than a number . position of the slot level bit map corresponding to a slot The number could be the longer time duration . Alterna 

indicates the value of one , the UE monitors the CORESET tively , the number could be the longer time duration minus 

in the slot based on the bit map excluding the second bit 1. The bitmap is associated with a CORESET whose con 

position . If the bit position of the slot level bit map corre- 20 figured time duration is the first CORESET time duration 

sponding to a slot indicates the value of one , the UE and the second CORESET time duration . For example , monitors the CORESET in the slot based on the bit map when a UE is configured with a first CORESET with time 

excluding the first bit position . Alternatively , if bit position duration 1 and 2 , and a bit map “ 11100101000000 " , the UE 

of the slot level bit map corresponding to a slot indicates the monitors the CORESET for the following symbols in a slot : value of zero , the UE monitors the CORESET in the slot 25 { 1st symbol } , { 2nd symbol } , { 3rd symbol } , { 6th symbol , 7th based on the bit map excluding the first bit position . Alter- symbol } and { 8th symbol , 9th symbol ) . For the CORESET natively , if bit position of the slot level bit map correspond- in { 1st symbol } , { 2nd symbol } , { 3rd symbol } , the CORESET 

ing to a slot indicates the value of zero , the UE monitors the time duration of 1 is applied . For the CORESET in { 6th 

CORESET in the slot based on the bit map excluding the symbol , 7th symbol } and { gth symbol , 9th symbol } , the 

second bit position . 30 CORESET time duration 2 is applied . The UE can be configured with two CORESETs ( e.g. , two The UE can be configured with a default CORESET , CORESET IDs ) associated with a search space or a bitmap . which is different from the CORESET indicated by the 

The time durations of the two CORESETs can be different . signal . The time duration of the default CORESET may be 

For example , one time duration is longer and the other time shorter than or equal to the duration indicated by the signal . duration is shorter . For a first CORESET starting symbol , the 35 More specifically , the time duration of the default CORE 

UE determines one CORESET configuration from the two SET can be one or two . The time duration of the default 

CORESET configurations according to a distance or interval CORESET is the interval between the first bit position and 

between the first CORESET starting symbol and a second the second bit position . The UE may monitor the CORESET 

CORESET starting symbol . The second CORESET starting on the OFDM symbol ( s ) in a slot based on the bit map symbol could be a next CORESET starting symbol in a 40 excluding the first bit position and / or the second bit position . bitmap after the first CORESET starting symbol . The UE may monitor the default CORESET on OFDM 

In another alternative , the UE determines a CORESET symbol ( s ) in the slot based on the first bit position and / or the configuration with longer time duration if the distance or the second bit position . interval between the first CORESET starting symbol and the Alternatively , the bit map can indicate at least a monitor 

second CORESET starting symbol is longer than a number . 45 ing occasion for the CORESET by indicating a starting Alternative , the UE determines a CORESET configuration OFDM symbol following contiguous OFDM symbol ( s ) 

with shorter time duration if the distance or the interval until the time duration of the CORESET is reached . The UE 

between the first CORESET starting symbol and the second may interpret the bit map based on the time duration of the 

CORESET starting symbol is shorter than a number . The CORESET . For example , when a UE is configured with time 

number could be the longer time duration minus 1. Alter- 50 duration 2 and a bit map “ 11011000000000 " , the UE moni natively , the number could be the longer time duration . tors the CORESET for the following symbols in a slot : { 1st The bitmap is associated with the first CORESET con- symbol , 2nd symbol } and { 4th symbol ,5th symbol } . Different 

figuration and the second CORESET configuration . For monitoring occasions for the CORESET indicated by the bit 

example , when a UE is configured with a first CORESET map can be separated by at least one bit position indicating with time duration 2 , a second CORESET with time duration 55 the value 0. If the bit map indicates a number of contiguous 1 and a bit map “ 11100101000000 " , the UE monitors the bit position ( s ) with the value 1 , which is a number is smaller 

CORESET for the following symbols in a slot : { 1 " symbol } , than the time duration of the CORESET , the UE may { 2nd symbol } , { 3rd symbol } , { 6th symbol ,7th symbol } and interpret the number of contiguous bit position ( s ) with the { ech symbol , 9h symbol ) . For the CORESET in { 1 " sym- value 1 indicating a monitoring occasion for the CORESET bol } , { 2nd symbol } , { 3rd symbol } , the configuration of the 60 with the time duration as the number . For example , when a 

second COREST is applied . For the CORESET in { 6th UE is configured with time duration 3 and a bit map symbol , 7th symbol } and { gth symbol , gth symbol } , the “ 11000101011100 ” , the UE monitors the CORESET for the 

configuration of the second CORESET is applied . following symbols in a slot : { 1st symbol , 2nd symbol } , { 6th 

The UE can be configured with two CORESET time symbol } , { 8h symbol } , and { 10 h symbol , 11th symbol , 12th 

durations for a given CORESET , search space , or bitmap . In 65 symbol } . In this example , the UE may interpret the number 

one example , one CORESET time duration is longer and the of contiguous bit position ( s ) indicating the value 1 in the bit 

other is shorter . map which is smaller than the time duration 3 as a CORE 

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SET monitoring occasion with the time duration as the set and the least significant bit in the bit map is larger than 

contiguous number of value 1 . or equal to 2 minus 1 ( e.g. , the bit map is 00000000000010 ) . If bit map indicates a number of contiguous bit position ( s ) In another example , the UE does not expect to receive a 

with the value 1 , which is the number is larger than the time configuration of a bit map such that the interval ( or distance ) duration of the CORESET , the UE may interpret the number 5 between each bit position indicating 1 in the bit map and the 

of contiguous bit position ( s ) with value 1 as contiguous least significant bit in the bit map ( or between the last bit 

monitoring occasions for the CORESET with the time indicating 1 in the bitmap and the least significant bit in the 

duration or smaller than the time duration . More specifically , bit map ) is smaller than the number ( e.g. , the bit map is 

if the number of contiguous bit position ( s ) indicating the 00000000000001 ) . value 1 is multiple of the time duration of the CORESET , the The UE could ignore a configuration of a bit map such 

UE may interpret the number of contiguous bit position ( s ) that the interval ( or distance ) between each bit position indicating 1 in the bit map and the least significant bit in the with the value 1 as contiguous monitoring occasion ( s ) for bit map ( or between the last bit indicating 1 in the bitmap the CORESET for the time duration . and the least significant bit in the bit map ) is smaller than the If the number of contiguous bit position ( s ) indicating the 15 number ( e.g. , the bit map is 00000000000001 ) . The UE value 1 is not a multiple of the time duration of the could ignore a part of a bit map such that the interval ( or CORESET , the UE may interpret the number of contiguous distance ) between the bit position indicating 1 in the part of 

bit position ( s ) with the value 1 as those earlier contiguous the bit map and the least significant bit in the bit map ( or bit ( s ) indicating contiguous monitoring occasion ( s ) for the between the last bit indicating 1 in the bitmap and the least 

CORESET for the time duration and the last orphan bit ( s ) 20 significant bit in the bit map ) is smaller than the number indicating a monitoring occasion for the CORESET for the ( e.g. , the bit map is 10000000000001 in which the UE 

time duration smaller than the time duration of the CORE- applies the first 1 and ignore the last 1 ) . SET which depends on number of last orphan bit ( s ) . In another example , the UE does not apply a configuration Alternatively , the last orphan bit ( s ) in the number of of a bit map such that the interval ( or distance ) between each contiguous bit ( s ) with the value one can be ignored by the 25 bit position indicating 1 in the bit map and the least 

UE . For example , when a UE is configured with a time significant bit in the bit map ( or between the last bit 

duration 2 and a bit map “ 11110000000000 " , the UE moni- indicating 1 in the bitmap and the least significant bit in the 

tors the CORESET for the following symbols in a slot : { 1st bit map ) is smaller than the number ( e.g. , the bit map is symbol , 2nd symbol } , { 3rd symbol , 4th symbol } . In another 00000000000001 ) . example , when a UE is configured with time duration 2 and 30 A base station does not configure a UE with a bit map such 

a bit map “ 1110000000000 " , the UE monitors the CORE- that the interval ( or distance ) between each bit position SET for the following symbols in a slot : { 1st symbol , 2nd indicating 1 in the bit map and the least significant bit in the symbol } , { 3rd symbol } . In a similar example , when a UE is bit map ( or between the last bit indicating 1 in the bitmap configured with a time duration 2 and a bit map and the least significant bit in the bit map ) is smaller than the 

“ 1110000000000 " , the UE monitors the CORESET for the 35 number ( e.g. , the bit map is 00000000000001 ) . The most following symbols in a slot : { 1st symbol , 2nd symbol } . In this significant bit in the bit map represents the first OFDM 

example , the UE ignores the { 3rd symbol } indicated by the symbol in a slot . The least significant bit in the bit map represents the last OFDM symbol in a slot . The signal could 

In one embodiment , a UE is configured with a CORESET . be PDCCH - Config . The bitmap could be monitoring Sym Alternatively , the UE receives a signal indicating configu- 40 bolsWithinSlot .The time duration could be a CORESET 

ration of a CORESET . The configuration of the CORESET time - duration . The UE may monitor the CORESET on 

includes at least the time duration of the CORESET and a bit OFDM symbol ( s ) in a slot based on the signal . The UE may 

map . The bit map includes 14 bits . A set of bit position ( s ) in monitor the CORESET on OFDM symbol ( s ) starting from 

the bit map have a value of one . The set of bit position ( s ) each bit position in the set in a slot . indicates the starting OFDM symbol ( s ) in a slot for moni- 45 If the bit map indicates a number of contiguous bit 

toring the CORESET . The interval ( or distance ) between position ( s ) with the value 1 , which the number is larger than 

each bit position ( indicating the value of one ) in the set ( or the time duration of the CORESET , the UE may interpret the 

bitmap ) and the least significant bit in the bit map is larger number of contiguous bit position ( s ) with the value 1 as 

than or equal to a number . The interval ( or distance ) between contiguous monitoring occasions for the CORESET with the 

the last bit position ( indicating the value one ) in the set ( or 50 time duration or smaller than the time duration . More bitmap ) and the least significant bit in the bit map is larger specifically , if the number of contiguous bit position ( s ) than or equal to a number . An interval or distance between indicating value 1 is a multiple of the time duration of the 

two bit positions is the number of bits between the two bit CORESET , the UE may interpret the number of contiguous positions . The two bit positions could be neglected when bit position ( s ) with value 1 as contiguous monitoring occa 

calculating the interval or distance . For example , an interval 55 sion ( s ) for the CORESET for the time duration . or distance between two bit position indicating the value 1 If the number of contiguous bit position ( s ) indicating for a bitmap “ 10001000000000 ” is 3. Alternatively , an value 1 is not a multiple of the time duration of the 

interval or distance between two bit positions could be the CORESET , the UE may interpret the number of contiguous difference of the two bit positions . bit position ( s ) with the value 1 as those earlier contiguous In one embodiment , the number is a time duration of the 60 bit ( s ) indicating contiguous monitoring occasion ( s ) for the CORESET . Alternatively , the number is time duration of the CORESET with the time duration , and the last orphan bit ( s ) CORESET minus one . Alternatively , the number is the indicating a monitoring occasion for the CORESET with the 

maximum time duration of the CORESET minus one . Alter- time duration smaller than the time duration of the CORE 

natively , the number is the maximum time duration of the SET which depends on number of last orphan bit ( s ) . CORESET minus one . For example , if time duration of a 65 Alternatively , the last orphan bit ( s ) in the number of 

CORESET is configured as 2 , a bit map of a CORESET has contiguous bit ( s ) with the value one can be ignored by the 

a restriction that the interval between each bit position in the UE . For example , when a UE is configured with a time 

bit map . 

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duration 2 and a bit map “ 11110000000000 " , the UE moni- configuration may include at least CCE - REG mapping , tors the CORESET for the following symbols in a slot : { 1st aggregation level , search space configuration , and frequency symbol , 2nd symbol } , { 3rd symbol , 4th symbol } . In another resource assignment . example , when a UE is configured with a time duration 2 and In another embodiment , a UE is configured with a CORE 

a bit map “ 1110000000000 ” , the UE monitors the CORE- 5 SET . Alternatively , the UE receives a signal indicating a 

SET for the following symbols in a slot : ( 1st symbol , 2nd configuration of a CORESET . The configuration of the 

symbol } , { 3rd symbol } . In a similar example , when a UE is CORESET includes at least a time duration of the CORE 

configured with a time duration 2 and a bit map SET and a bit map . The bit map includes 14 bits . A set of bit 

“ 1110000000000 " , the UE monitors the CORESET for the position ( s ) in the bit map have a value of one . The set of bit 

following symbols in a slot : { 1st symbol , 2nd symbol } . In this 10 position ( s ) indicates the starting OFDM symbol ( s ) in a slot 

example , the UE ignores { 3rd symbol } indicated by the bit for monitoring the CORESET . The interval ( or distance ) between a bit position in the set and the least significant bit map . in the bit map is smaller than a number . The interval ( or Alternatively , if a bit map indicates a number of contigu distance ) between the last bit position indicating a value of 

ous bit position ( s ) with the value 1 , which is the number 15 1 in the bit map and the least significant bit in the bit map larger than the time duration of the CORESET , the UE may is smaller than a number . An interval or distance between interpret the number of contiguous bit position ( s ) with the two bit positions is a number of bits between the two bit value 1 as at least a monitoring occasion for CORESET positions . The two bit positions could be neglected when which the time duration of the CORESET is the number of calculating the interval or distance . For example , an interval contiguous bit position ( s ) with the value 1. For example , 20 or distance between two bit positions indicating the value 1 when a UE is configured with time duration 2 and a bit map for a bitmap “ 10001000000000 ” is 3 . “ 11100110000000 ” , the UE monitors the CORESET for the More specifically , the number is a time duration of the 

following symbols in a slot : 1 $ symbol , 2nd symbol , 3rd CORESET . Alternatively , the number is a time duration of 

symbol } , { 5th symbol , 6th symbol } . Alternatively , if a bit the CORESET minus one . Alternatively , the number is a 

map indicates a number of contiguous bit position ( s ) with 25 maximum time duration of the CORESET minus one . Alter 

the value 1 , in which the number is larger than the time natively , the number is a maximum time duration of the 

duration of the CORESET , the UE may interpret the number CORESET minus one . For example , if the time duration of 

of contiguous bit position ( s ) with the value 1 as at least a a CORESET is configured as 2 , a bit map of a CORESET 

monitoring occasion for CORESET in which the time dura may be 00000000000001. The most significant bit in the bit 

tion of the CORESET is the maximum time duration of a 30 map represents the first OFDM symbol in a slot . The least 

CORESET . For example , when a UE is configured with time significant bit in the bit map represents the last OFDM 

duration 2 and a bit map “ 11110000000000 " , the UE moni symbol in a slot . The signal could be a PDCCH - Config . The bitmap could be monitoring Symbols WithinSlot . tors CORESET in the following symbols in a slot : { 1st The time duration could be a CORESET - time - duration . symbol , 2nd symbol , 3rd symbol } , { 4th symbol } when maxi 35 The UE may monitor the CORESET on the OFDM symbol mum time duration of CORESET is 3 . ( s ) in a slot based on the signal . The UE may monitor the Alternatively , the signal indicates at least a bit map . The CORESET on the OFDM symbol ( s ) starting from each bit UE may receive a PDCCH on the OFDM symbol ( s ) in a slot position in the set in a slot . The UE may monitor the based on the bit map . The bit map indicates at least a bit CORESET on the OFDM symbol ( s ) in a slot based on the position and / or at least on a contiguous bit position ( s ) as 40 bit map excluding the bit position . The UE may not expect value one . The UE may monitor a CORESET on the OFDM to monitor the CORESET on OFDM symbol ( s ) in a slot 

symbol ( s ) in a slot based on the bit map . The UE may view starting from the bit position . The UE may be configured the contiguous bit position ( s ) as a CORESET . The UE may with a default CORESET , which is different from the 

not expect to have the bit map indicating the number of the CORESET indicated by the signal . The time duration of the contiguous bit position ( s ) with the value one exceeding a 45 default CORESET may be shorter than or equal to the 

maximum time duration for a CORESET . Alternatively , if duration indicated by the signal . The time duration of the 

the UE receives the bit map indicating the number of the default CORESET may be one or two . The time duration of 

contiguous bit position ( s ) with the value one exceeding a the default CORESET is the interval between the bit position maximum time duration for a CORESET , the UE may and the least significant bit in the bit map . The UE may ignore part of the indication of the bit map . Alternatively , the 50 monitor the CORESET on the OFDM symbol ( s ) in a slot 

UE may ignore the whole indication of the bit map . For based on the bit map excluding the bit position . The UE may example , when a UE is configured with a bit map monitor the default CORESET on tge OFDM symbol ( s ) in 

“ 11010111000000 ” , the UE monitors the CORESET for the the slot based on the bit position . following symbols in a slot : { 1st symbol , 2nd symbol } , { 4th The UE can be configured with two CORESETS ( e.g. , two symbol } , { 6th symbol , 7th symbol , gth symbol } when the 55 CORESET IDs ) associated with a search space or a bitmap . maximum time duration of CORESET is 3. In a similar The time durations of the two CORESETs can be different . example , when a UE is configured with a bit map For example , a first duration is longer and a second duration 

“ 11100001100000 ” , the UE may ignore the first three l’s is shorter . For a first CORESET starting symbol ,the UE 

because it will exceed the maximum time duration if the determines one CORESET configuration from the two 

maximum time duration of the CORESET is 2. In the above 60 CORESET configurations according to a distance or interval example , the UE may monitor the CORESET for the fol- between the first CORESET starting symbol and the last lowing symbols in a slot : { 8th symbol , 9th symbol } . The time symbol in a slot . The UE determines a CORESET configu duration of a CORESET can be determined based on the bit ration for the longer time duration if the distance or the 

map and each contiguous bit position ( s ) with the value one interval between the first CORESET starting symbol and the 

in the bit map . The signal does not indicate the time duration 65 last symbol in a slot is longer than a number . The UE 

for a CORESET . The signal indicates different configura- determines a CORESET configuration for the shorter time 

tions for the different time duration CORESET ( s ) . The duration if the distance or the interval between the first 

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27 28 

CORESET starting symbol and the last symbol in a slot is Alternatively , if a bit map indicates a number of contigu shorter than a number . The number could be the longer time ous bit position ( s ) with value 1 , in which the number is 

duration minus 1. The number could be the longer time larger than the time duration of the CORESET , the UE may duration . interpret the number of contiguous bit position ( s ) with the 

In one embodiment , the bitmap is associated with the first 5 value 1 as at least a monitoring occasion for the CORESET , CORESET configuration and the second CORESET con- in which the time duration of the CORESET is the number 

figuration . For example , when a UE is configured with a first of contiguous bit position ( s ) with value 1. For example , CORESET with a time duration of 2 , a second CORESET when a UE is configured with a time duration 2 and a bit map with a time duration of 1 and a bit map " 00000101000001 ” , “ 11100110000000 ” , the UE monitors the CORESET for the the UE monitors the CORESET for the following symbols 10 following symbols in a slot : { 1st symbol , 2nd symbol , 3rd in a slot : { 6th symbol , 7th symbol } , { gth symbol , gih symbol } symbol } , { 5th symbol , 6th symbol } . Alternatively , if bit map and { 14h symbol } . For the CORESET in { 14th symbol } , the indicates a number of contiguous bit position ( s ) with value 

configuration of the second COREST is applied . For the 1 , in which the number is larger than the time duration of the CORESET in { 6th symbol , 7th symbol } and { gth symbol , gth CORESET , the UE may interpret the number of contiguous symbol } , the configuration of the second CORESET is 15 bit position ( s ) with the value 1 as at least a monitoring applied . occasion for the CORESET , in which the time duration of 

The UE can be configured with two CORESET time the CORESET is the maximum time duration of a CORE 

durations for a given CORESET , a search space , or a bitmap . SET . For example , when a UE is configured with a time 

For example , one CORESET time duration is longer and the duration 2 and a bit map “ 11110000000000 " , the UE moni other time duration is shorter . For a first CORESET starting 20 tors the CORESET for the following symbols in a slot : { 1st symbol , the UE determines one CORESET time duration symbol , 2nd symbol , 3rd symbol } , { 4ih symbol } when the 

from the two configured CORESET time durations accord- maximum time duration of the CORESET is 3 . ing to a distance or interval between the first CORESET Alternatively , the signal indicates at least a bit map . The 

starting symbol and the last symbol in a slot . The UE UE may receive a PDCCH on the OFDM symbol ( s ) in a slot 

determines the longer CORESET time duration if the dis- 25 based on the bit map . The bit map indicate at least a bit 

tance or the interval between the first CORESET starting position and / or at least one contiguous bit position ( s ) as 

symbol and the last symbol in a slot is longer than a number . value one . The UE may monitor a CORESET on the OFDM 

The UE determines the shorter CORESET time duration if symbol ( s ) in a slot based on the bit map . The UE may view 

the distance or the interval between the first CORESET the contiguous bit position ( s ) as a CORESET . The UE may starting symbol and the last symbol in a slot is shorter than 30 not expect to have the bit map indicating number of the 

a number . The number could be the longer time duration contiguous bit position ( s ) with value one exceeding a maxi 

minus 1. Alternatively , the number could be the longer time mum time duration for a CORESET . Alternatively , if the UE 

duration . The bitmap is associated with a CORESET whose receives the bit map indicating the number of the contiguous configured time duration is the first CORESET time duration bit position ( s ) with value one exceeding a maximum time 

and the second CORESET time duration . For example , 35 duration for a CORESET , the UE may ignore a part of the when a UE is configured with a first CORESET with a time indication of the bit map . Alternatively , the UE may ignore duration of 1 and 2 and a bit map “ 00000101000001 ” , the the whole indication of the bit map . For example , when a UE 

UE monitors the CORESET for the following symbols in a is configured with a bit map “ 11010111000000 ” , the UE slot : { 6th symbol , 7th symbol } , { 8th symbol , 9th symbol } and monitors the CORESET for the following symbols in a slot : { 14 ° h symbol ) . For the CORESET in { 14th symbol } , the 40 { 1st symbol , 2nd symbol } , { 4th symbol } , { 6th symbol , 7th 

CORESET time duration of 1 is applied . For the CORESET symbol , gth symbol } when the maximum time duration of in { 6th symbol , 7th symbol } and { gth symbol , 9th symbol } , CORESET is 3. In a similar example , when a UE is 

the CORESET time duration of 2 is applied . Alternatively , configured with a bit map “ 11100001100000 ” , the UE may the OFDM symbols for a CORESET could span different ignore the first three l’s because it will exceed the maximum 

slots . A CORESET could span a first slot and a second slot 45 time duration if the maximum time duration of CORESET 

if the interval or distance between the last bit position is 2. In the above example , the UE may monitor the indicating 1 in the first slot and the last symbol in the first CORESET for the following symbols in a slot : { gth symbol , slot is shorter than the number . The second slot is the next gth symbol } . The time duration of a CORESET can be 

slot of the first slot . For example , when a UE is configured determined based on the bit map and each contiguous bit 

with a time duration 2 and a bit map “ 10000101000001 ” , the 50 position ( s ) with value one in the bit map . The signal does not 

UE monitors the CORESET for the following symbols in a indicate a time duration for a CORESET . The signal indi slot : { 1st symbol , 2nd symbol } , { 6th symbol , 7th symbol } , cates the different configurations for different time duration { gth symbol , 9th symbol } and { 14th symbol , 1st symbol of the CORESET ( s ) . The configuration may include at least a 

next slot } . Alternatively , the CORESET time duration of CCE - REG mapping , aggregation level , search space con 

CORESETs associated with a bitmap within a slot could be 55 figuration , or frequency resource assignment . different . Alternatively , the CORESET time duration could According to one method , the UE receives a signal be different from the configured value if the interval or indicating at least a duration and a bit map , wherein a set of distance between the last bit position indicating 1 in the first bit position ( s ) in the bit map indicates a value , and wherein 

slot and the last symbol in the first slot is shorter than the an interval between each bit position in the set is larger than 

number . For example , when a UE is configured with a time 60 or equal to a number . duration 2 and a bit map “ 10000101000001 ” , the UE moni- According to another method , the network transmits a 

tors the CORESET for the following symbols in a slot : { 1st signal indicating at least a duration and a bit map , wherein symbol , 2nd symbol } , { 6th symbol , 7th symbol } , { 8th symbol , a set of bit position ( s ) in the bit map indicates a value , gth symbol } and { 14th symbol } . It can be observed that the wherein interval between each bit position in the set is larger CORESETs corresponding to the last bit in the bitmap have 65 than or equal to a number . 1 symbol time duration even if the configured value is 2 due In one or more of the above - disclosed methods , the value 

to the short interval or distance to the last symbol of a slot . is one . 

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29 30 

In one or more of the above - disclosed methods , the In one or more of the above - disclosed methods , the signal 

number is the duration . is a PDCCH - config IE which is used to configure UE 

In one or more of the above - disclosed methods , the specific PDCCH parameters . number is the duration minus one . In one or more of the above - disclosed methods , the UE 

In one or more of the above - disclosed methods , the 5 monitors a CORESET based on the signal . number is maximum duration , wherein the maximum dura In one or more of the above - disclosed methods , the UE 

tion is maximum time duration of a control resource set monitors a CORESET on OFDM symbol ( s ) in a slot based 

( CORESET ) . on the bit map . 

In one or more of the above - disclosed methods , the In one or more of the above - disclosed methods , the UE 

number is maximum duration minus one , wherein the maxi- 10 monitors a CORESET on OFDM symbol ( s ) in a slot starting 

mum duration is maximum time duration of a CORESET . from bit position ( s ) in the bit map indicating the value . In one or more of the above - disclosed methods , the UE In one or more of the above - disclosed methods , the monitors a CORESET on OFDM symbol ( s ) in a slot starting duration is a time duration of a CORESET . from bit position ( s ) in the bit map indicating the value In one or more of the above - disclosed methods , the bit 15 excluding the pair of bit position . map comprises 14 bits . In one or more of the above - disclosed methods , the UE 

In one or more of the above - disclosed methods , the set of monitors a CORESET on OFDM symbol ( s ) in a slot starting bit position ( s ) in the bit map indicates monitoring starting from bit position ( s ) in the bit map indicating the value 

OFDM symbol ( s ) of a CORESET in a slot . excluding the first bit position of the pair . In one or more of the above - disclosed methods , the most 20 In one or more of the above - disclosed methods , the UE 

significant bit in the bit map represents the first OFDM monitors a CORESET on OFDM symbol ( s ) in a slot starting symbol in a slot . from bit position ( s ) in the bit map indicating the value 

In one or more of the above - disclosed methods , the least excluding the second bit position of the pair . significant bit in the bit map represents the last OFDM In one or more of the above - disclosed methods , the UE 

symbol in a slot . 25 ignores the signal . In one or more of the above - disclosed methods , the signal In one or more of the above - disclosed methods , the UE 

indicates configuration of a CORESET . transmits a Negative Acknowledgement ( NACK ) as a feed 

In one or more of the above - disclosed methods , the signal back of the signal . 

is a PDCCH - config IE which is used to configure UE In one or more of the above - disclosed methods , the UE 

specific PDCCH parameters . 30 monitors a CORESET on OFDM symbol ( s ) in an even slot 

In one or more of the above - disclosed methods , the UE based on the bit map excluding the second bit position of the 

monitors a CORESET based on the signal . pair . In one or more of the above - disclosed methods , the UE In one or more of the above - disclosed methods , the UE monitors a CORESET on OFDM symbol ( s ) in an odd slot monitors a CORESET on OFDM symbol ( s ) in a slot based 35 based on the bit map excluding the second bit position of the 

on the bit map . pair . In one or more of the above - disclosed methods , the UE In one or more of the above - disclosed methods , the UE monitors a CORESET on OFDM symbol ( s ) in a slot starting monitors a CORESET on OFDM symbol ( s ) in an even slot from each bit position in the set . based on the bit map excluding the first bit position of the According to one method , the UE receives a signal 40 pair . indicating at least a duration and a bit map , wherein interval In one or more of the above - disclosed methods , the signal between a pair of bit position ( s ) indicating a value in the bit comprises a pattern for indicating the bit map . map is smaller than the duration . In one or more of the above - disclosed methods , the 

According to one method , the network transmits a signal pattern indicates a slot level bit map . indicating at least a duration and a bit map , wherein interval 45 In one or more of the above - disclosed methods , if bit 

between a pair of bit position ( s ) indicating a value in the bit position of the slot level bit map indicates one , the UE 

map is smaller than the duration . monitors a CORESET in a slot based on the bit map 

In one or more of the above - disclosed methods , the pair excluding the second bit position of the pair . of bit position ( s ) comprises a first bit position and a second In one or more of the above - disclosed methods , if bit bit position . 50 position of the slot level bit map indicates one , the UE 

In one or more of the above - disclosed methods , the first monitors a CORESET in a slot based on the bit map bit position is closer to the most significant bit in the bit map excluding the first bit position of the pair . than the second bit position . In one or more of the above - disclosed methods , the UE 

In one or more of the above - disclosed methods , the value monitors a CORESET in a slot based on the bit map and slot 

55 format of the slot . 

In one or more of the above - disclosed methods , the In one or more of the above - disclosed methods , if the slot 

duration is a time duration of a CORESET . format of the slot indicates a set of OFDM symbol ( s ) as 

In one or more of the above - disclosed methods , the bit flexible or uplink which the set comprises part of OFDM 

map comprises 14 bits . symbols which start from the first bit position with the 

In one or more of the above - disclosed methods , the most 60 duration , the UE monitors a CORESET based on the bit map significant bit in the bit map represents the first OFDM excluding the first bit position of the pair . symbol in a slot . In one or more of the above - disclosed methods , if the slot 

In one or more of the above - disclosed methods , the least format of the slot indicates a set of OFDM symbol ( s ) as significant bit in the bit map represents the last OFDM flexible or uplink which the set comprises part of OFDM 

symbol in a slot . 65 symbols which start from the second bit position with the 

In one or more of the above - disclosed methods , the signal duration , the UE monitors a CORESET based on the bit map indicates configuration of a CORESET . excluding the second bit position of the pair . 

is one . 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 25 of 29 PageID #: 49
is one . 

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31 32 

In one or more of the above - disclosed methods , the UE is According to another method , the UE receives a signal configured with a default CORESET , which is different from indicating at least a duration and a bit map , wherein a set of 

a CORESET indicated by the signal . bit position ( s ) indicates a value in the bit map , and wherein 

In one or more of the above - disclosed methods ,the time an interval between a bit position in the set and the least 

duration of the default CORESET is shorter than the dura- 5 significant bit in the bit map is smaller than the duration . tion . In one or more of the above - disclosed methods , the value 

In one or more of the above - disclosed methods , the time is one . duration of the default CORESET is one or two . In one or more of the above - disclosed methods , the 

In one or more of the above - disclosed methods , the time duration is a time duration of a CORESET . duration of the default CORESET is the interval between the 10 In one or more of the above - disclosed methods , the bit first bit position and the second bit position of the pair . map comprises 14 bits . In one or more of the above - disclosed methods , the UE In one or more of the above - disclosed methods , the most 

monitors the CORESET on OFDM symbol ( s ) in a slot based significant bit in the bit map represents the first OFDM 

on the bit map excluding the pair of bit position ( s ) and symbol in a slot . monitors the default CORESET on OFDM symbol ( s ) in the 15 In one or more of the above - disclosed methods , the least 

slot based on the pair of bit position ( s ) . significant bit in the bit map represents the last OFDM 

According to another method , the UE receives a signal symbol in a slot . indicating at least a duration and a bit map , wherein a set of In one or more of the above - disclosed methods , the signal bit position indicates a value in the bit map , and wherein an indicates a configuration of a CORESET . interval between every bit position in the set and the least 20 In one or more of the above - disclosed methods , the signal significant bit in the bit map is larger than or equal to a is a PDCCH - config IE which is used to configure UE 

number . specific PDCCH parameters . According to another method , the network transmits a In one or more of the above - disclosed methods , the UE signal indicating at least a duration and a bit map , wherein monitors a CORESET based on the signal . a set of bit position indicates a value in the bit map , and 25 In one or more of the above - disclosed methods , the UE 

wherein an interval between a bit position in the set and the monitors a CORESET on OFDM symbol ( s ) in a slot based 

least significant bit in the bit map is larger than or equal to on the bit map . a number . In one or more of the above - disclosed methods , the UE 

In one or more of the above - disclosed methods , the value monitors a CORESET on OFDM symbol ( s ) in a slot based 

30 on the bit map excluding the bit position . In one or more of the above - disclosed methods , the In one or more of the above - disclosed methods , the UE 

number is the duration . does not monitor a CORESET on OFDM symbol ( s ) in a slot 

In one or more of the above - disclosed me ds , the starting from the bit position . number is the duration minus one . In one or more of the above - disclosed methods , the UE is 

In one or more of the above - disclosed methods , the 35 configured with a default CORESET , which is different from 

number is a maximum duration , wherein the maximum a CORESET indicated by the signal .duration is maximum time duration of a CORESET . In one or more of the above - disclosed methods , the time 

In one or more of the above - disclosed methods , the duration of the default CORESET is shorter than the dura 

number is a maximum duration minus one , wherein the tion indicated by the signal . maximum duration is a maximum time duration of a CORE- 40 In one or more of the above - disclosed methods , the time 

SET . duration of the default CORESET is one or two . In one or more of the above - disclosed methods , the In one or more of the above - disclosed methods , the time 

duration is a time duration of a CORESET . duration of the default CORESET is the interval between the 

In one or more of the above - disclosed methods , the bit bit position and the least significant bit in the bit map . map comprises 14 bits . In one or more of the above - disclosed methods , the UE 

In one or more of the above - disclosed methods , the set of monitors the CORESET on OFDM symbol ( s ) in a slot based bit position ( s ) in the bit map indicates monitoring starting on the bit map excluding the bit position and monitors the 

OFDM symbol ( s ) of a CORESET in a slot . default CORESET on OFDM symbol ( s ) in the slot based on 

In one or more of the above - disclosed methods , the most the bit position . significant bit in the bit map represents the first OFDM 50 According to another method , the UE receives a signal symbol in a slot . indicating at least a bit map , wherein the bit map indicates 

In one or more of the above - disclosed methods , the least at least one bit position or at least one contiguous bit significant bit in the bit map represents the last OFDM position ( s ) with a value . symbol in a slot . In one or more of the above - disclosed methods , the signal In one or more of the above - disclosed methods , the signal 55 indicates a duration . indicates a configuration of a CORESET . In one or more of the above - disclosed methods , the value 

In one or more of the above - disclosed methods , the signal is a PDCCH - config IE which is used to configure UE- In one or more of the above - disclosed methods , the specific PDCCH parameters . duration is a time duration of a CORESET . In one or more of the above - disclosed methods , the UE 60 In one or more of the above - disclosed methods , the bit 

monitors a CORESET based on the signal . map comprises 14 bits . In one or more of the above - disclosed methods , the UE In one or more of the above - disclosed methods , the most monitors a CORESET on OFDM symbol ( s ) in a slot based significant bit in the bit map represents the first OFDM 

on the bit map . symbol in a slot . In one or more of the above - disclosed methods , the UE 65 In one or more of the above - disclosed methods , the least monitors a CORESET on OFDM symbol ( s ) in a slot starting significant bit in the bit map represents the last OFDM 

from each bit position in the set . symbol in a slot . 

45 

is one . 

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5 

10 

15 

US 10,951,359 B2 

33 34 

In one or more of the above - disclosed methods , the signal In one embodiment , the interval between a bit position in 

indicates a configuration of a CORESET . the set in the bit map and the least significant bit position in 

In one or more of the above - disclosed methods , the signal the bit map shall be larger than or equal to the second 

is a PDCCH - config IE which is used to configure UE duration . 

specific PDCCH parameters . In one embodiment , the network node transmits a Physi 

In one or more of the above - disclosed methods , the UE cal Downlink Control Channel ( PDCCH ) candidate on 

monitors the CORESET on OFDM symbol ( s ) in a slot based monitoring occasion ( s ) of the CORESET . on the bit map . In one embodiment , the slot duration comprises 14 

OFDM symbols . In one or more of the above - disclosed methods , the UE In one embodiment , the bit map comprises 14 bits . monitors the CORESET on OFDM symbol ( s ) in a slot based In one embodiment , the signal indicates the configuration on the bit map and the duration . of the CORESET . In one or more of the above - disclosed methods , the In one embodiment , the signal is PDCCH - config infor number of the contiguous bit position ( s ) with the value mation element . indicates a time duration of a CORESET . In one embodiment , the interval is the difference between In one or more of the above - disclosed methods , if the two bit positions . number of the contiguous bit position ( s ) with the value is In one embodiment , the interval is the number of bits equal to the duration , the UE monitors the CORESET with between two bit positions . the duration . FIG . 8 is a flow chart 800 according to one exemplary 

In one or more of the above - disclosed methods , if number 20 embodiment from the perspective of a network node . In step of the contiguous bit position ( s ) with the value is smaller 805 , the network node transmits a signal indicating at least 

than the duration , the UE monitors the CORESET with the a first duration and a bit map , wherein the first duration is 

number of the contiguous bit position ( s ) . time duration of a control resource set ( CORESET ) and the 

In one or more of the above - disclosed methods , if number bit map indicates first symbol ( s ) of monitoring occasion ( s ) of the contiguous bit position ( s ) with the value is larger than 25 of the CORESET within a slot , and wherein a set of bit 

the duration and the number is multiple of the duration , the position indicates value one in the bit map . In step 810 , the 

UE interprets the contiguous bit position ( s ) with the value as network node is not allowed to transmit the signal such that 

contiguous occasions for monitoring the CORESET with the interval between a bit position in the set in the bit map and 

duration . the least significant bit position in the bit map is smaller than 

30 a second duration . In one or more of the above - disclosed methods , if number In one embodiment , the second duration is the first of the contiguous bit position ( s ) with the value is larger than duration . the duration and the number is not multiple of the duration , In one embodi nt , the second duration is the first the UE interprets the contiguous bit position ( s ) with the duration minus one . value as at least one occasion for monitoring the CORESET In one embodiment , the network is not allowed to transmit with the duration and a occasion for monitoring the CORE the signal indicating that the first duration is 2 and the bit SET with time duration equal to number of orphan bit of the map is 00000000000001 . contiguous bit position ( s ) . In one embodiment ,the interval between a bit position in 

As those skilled in the art will appreciate , the various the set in the bit map and the least significant bit position in 

disclosed embodiments may be combined to form new 40 the bit map shall be larger than or equal to the second 

embodiments and / or methods . duration . 

FIG . 7 is a flow chart 700 according to one exemplary In one embodiment ,the network node is not allowed to 

embodiment from the perspective of a network node . In step transmit the signal such that interval between two bit posi 705 , the network node transmits a signal indicating at least tions in the set in the bit map is smaller than the second 

a first duration and a bit map , wherein the first duration is 45 duration . time duration of a control resource set ( CORESET ) and the In one embodiment , the network node transmits a Physi bit map indicates first symbol ( s ) of monitoring occasion ( s ) cal Downlink Control Channel ( PDCCH ) candidate on 

of the CORESET within a slot , and wherein a set of bit monitoring occasion ( s ) of the CORESET . position indicates value one in the bit map . In step 710 the In one embodiment , the slot duration comprises 14 

network node is not allowed to transmit the signal such that 50 OFDM symbols . an interval between two bit positions in the set in the bit map In one embodiment , the bit map comprises 14 bits . In one embodiment , the signal indicates the configuration is smaller than a second duration . of the CORESET . In one embodiment , the second duration is the first In one embodiment , the signal is PDCCH - config infor duration . 55 mation element . In one embodiment , the second duration is the first In one embodiment ,the interval is the difference between duration minus one . two bit positions . In one embodiment , the network is not allowed to transmit In one embodiment , the interval is the number of bits the signal indicating that the first duration is 2 and the bit between two bit positions . map is 11000000000000 . Referring back to FIGS . 3 and 4 , in one embodiment , the 

In one embodiment , the interval between two bit positions device 300 includes a program code 312 stored in memory in the set in the bit map shall be larger than or equal to the 310. The CPU 308 could execute program code 312 ( i ) to 

second duration . transmit a signal indicating at least a first duration and a bit 

In one embodiment , the network node is not allowed to map , wherein the first duration is time duration of a control 

transmit the signal such that interval between a bit position 65 resource set ( CORESET ) and the bit map indicates first in the set in the bit map and the least significant bit position symbol ( s ) of monitoring occasion ( s ) of the CORESET 

in the bit map is smaller than the second duration . within a slot , and wherein a set of bit position indicates value 

35 

60 

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35 36 

one in the bit map , and ( ii ) is not allowed to transmit the each particular application , but such implementation deci 

signal such that an interval between two bit positions in the sions should not be interpreted as causing a departure from 

set in the bit map is smaller than a second duration . the scope of the present disclosure . In another aspect , the CPU 308 could execute program In addition , the various illustrative logical blocks , mod 

code 312 to ( i ) transmits a signal indicating at least a first 5 ules , and circuits described in connection with the aspects duration and a bit map , wherein the first duration is time disclosed herein may be implemented within or performed duration of a control resource set ( CORESET ) and the bit by an integrated circuit ( “ IC ” ) , an access terminal , or an 

map indicates first symbol ( s ) of monitoring occasion ( s ) of access point . The IC may comprise a general purpose the CORESET within a slot , and wherein a set of bit position processor , a digital signal processor ( DSP ) , an application indicates value one in the bit map , and ( ii ) and is not allowed 10 specific integrated circuit ( ASIC ) , a field programmable gate to transmit the signal such that interval between a bit 

position in the set in the bit map and the least significant bit array ( FPGA ) or other programmable logic device , discrete 

position in the bit map is smaller than a second duration . gate or transistor logic , discrete hardware components , elec 

Furthermore , the CPU 308 can execute the program code trical components , optical components , mechanical compo 

312 to perform all of the above - described actions and steps 15 nents , or any combination thereof designed to perform the 

or others methods described herein . functions described herein , and may execute codes or 

The above - disclosed methods provide a restriction of a instructions that reside within the IC , outside of the IC , or 

configuration of a CORESET so that UEs can avoid han- both . A general purpose processor may be a microprocessor ,dling ambiguous configurations . Additionally , the various but in the alternative , the processor may be any conventional 

above - disclosed methods can help UEs handle ambiguous 20 processor , controller , microcontroller , or state machine . A configurations . processor may also be implemented as a combination of 

Various aspects of the disclosure have been described computing devices , e.g. , a combination of a DSP and a 

above . It should be apparent that the teachings herein may microprocessor , a plurality of microprocessors , one or more 

be embodied in a wide variety of forms and that any specific microprocessors in conjunction with a DSP core , or any structure , function , or both being disclosed herein is merely 25 other such configuration . representative . Based on the teachings herein one skilled in It is understood that any specific order or hierarchy of 

the art should appreciate that an aspect disclosed herein may steps in any disclosed process is an example of a sample be implemented independently of any other aspects and that approach . Based upon design preferences , it is understood 

two or more of these aspects may be combined in various that the specific order or hierarchy of steps in the processes ways . For example , an apparatus may be implemented or a 30 may be rearranged while remaining within the scope of the method may be practiced using any number of the aspects set forth herein . In addition , such an apparatus may be present disclosure . The accompanying method claims pres 

ent elements of the various steps in a sample order , and are implemented or such a method may be practiced using other 

structure , functionality , or structure and functionality in not meant to be limited to the specific order or hierarchy 

addition to or other than one or more of the aspects set forth 35 presented . herein . As an example of some of the above concepts , in The steps of a method or algorithm described in connec 

some aspects concurrent channels may be established based tion with the aspects disclosed herein may be embodied 

on pulse repetition frequencies . In some aspects concurrent directly in hardware , in a software module executed by a 

channels may be established based on pulse position or processor , or in a combination of the two . A software module 

offsets . In some aspects concurrent channels may be estab- 40 ( e.g. , including executable instructions and related data ) and 

lished based on time hopping sequences . other data may reside in a data memory such as RAM 

Those of skill in the art would understand that information memory , flash memory , ROM memory , EPROM memory , and signals may be represented using any of a variety of EEPROM memory , registers , a hard disk , a removable disk , different technologies and techniques . For example , data , a CD - ROM , or any other form of computer - readable storage instructions , commands , information , signals , bits , symbols , 45 medium known in the art . A sample storage medium may be 

and chips that may be referenced throughout the above coupled to a machine such as , for example , a computer / description may be represented by voltages , currents , elec- processor ( which may be referred to herein , for convenience , tromagnetic waves , magnetic fields or particles , optical as a “ processor ” ) such the processor can read information 

fields or particles , or any combination thereof . ( e.g. , code ) from and write information to the storage Those of skill would further appreciate that the various 50 medium . A sample storage medium may be integral to the illustrative logical blocks , modules , processors , means , cir- processor . The processor and the storage medium may reside 

cuits , and algorithm steps described in connection with the in an ASIC . The ASIC may reside in user equipment . In the 

aspects disclosed herein may be implemented as electronic alternative , the processor and the storage medium may hardware ( e.g. , a digital implementation , an analog imple- reside as discrete components in user equipment . Moreover , mentation , or a combination of the two , which may be 55 in some aspects any suitable computer - program product may designed using source coding or some other technique ) , comprise a computer - readable medium comprising codes 

various forms of program or design code incorporating relating to one or more of the aspects of the disclosure . In 

instructions ( which may be referred to herein , for conve- some aspects a computer program product may comprise nience , as " software ” or a “ software module ” ) , or combi- packaging materials . nations of both . To clearly illustrate this interchangeability 60 While the invention has been described in connection 

of hardware and software , various illustrative components , with various aspects , it will be understood that the invention 

blocks , modules , circuits , and steps have been described is capable of further modifications . This application is 

above generally in terms of their functionality . Whether such intended to cover any variations , uses or adaptation of the functionality is implemented as hardware or software invention following , in general , the principles of the inven depends upon the particular application and design con- 65 tion , and including such departures from the present disclo 

straints imposed on the overall system . Skilled artisans may sure as come within the known and customary practice implement the described functionality in varying ways for within the art to which the invention pertains . 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 28 of 29 PageID #: 52
a bit map , 

25 

US 10,951,359 B2 

37 38 

The invention claimed is : not allowing to transmit the signal such that interval 

1. A method of a network node , the method comprising : between any bit position with the value of one in the set transmitting a signal indicating at least a first duration and of bit positions in the bit map and the least significant bit position in the bit map is smaller than the first 

duration minus one . wherein the first duration is time duration of a control 5 13. The method of claim 12 , wherein the network node is resource set ( CORESET ) , and 

wherein the bit map includes a set of bit positions , where not allowed to transmit the signal indicating that the first 

each bit position has a value of one or zero and each bit duration is 2 and the bit map is 00000000000001 . 

position with the value of one indicates a starting 14. The method of claim 12 , wherein the interval between Orthogonal Frequency Division Multiplexing ( OFDM ) 10 a bit position in the set in the bit map and the least significant 

symbol of a monitoring occasion of the CORESET bit position in the bit map shall be larger than or equal to the 

first duration minus one . within a slot ; and 

not allowing 15. The method of claim 12 , wherein the network node is transmit the signal such that an interval 

between any two bit positions with the value of one in not allowed to transmit the signal such that interval between 

the set of bit positions in the bit map is smaller than the 15 any two bit positions in the set in the bit map is smaller than the first duration . first duration . 

2. The method of claim 1 , wherein the network node is not 16. The method of claim 12 , wherein the network node 

allowed to transmit the signal indicating that the first dura transmits a Physical Downlink Control Channel ( PDCCH ) 

tion is 2 and the bit map is 11000000000000 . candidate on monitoring occasion ( s ) of the CORESET . 3. The method of claim 1 , wherein the interval between 20 17. The method of claim 12 , wherein the signal indicates 

two bit positions in the set in the bit map shall be larger than the configuration of the CORESET . or equal to the first duration . 18. The method of claim 12 , wherein the signal is 

4. The method of claim 1 , wherein the network node is not PDCCH - config information element . allowed to transmit the signal such that interval between any 19. The method of claim 12 , wherein the interval is the difference between two bit positions . bit position in the set in the bit map and the least significant 20. The method of claim 12 , wherein the interval is bit position in the bit map is smaller than the first duration 

minus one . number of bits between two bit positions . 21. The method of claim 12 , wherein the CORESET is 5. The method of claim 1 , wherein the interval between a bit position in the set in the bit map and the least significant monitored on a number of consecutive OFDM symbol 

bit position in the bit map shall be larger than or equal to the 30 provided by the first duration from the starting OFDM 

first duration . symbol . 22. A network node , comprising : 6. The method of claim 1 , wherein the network node 

a control circuit ; transmits a Physical Downlink Control Channel ( PDCCH ) candidate on monitoring occasion ( s ) of the CORESET . a processor installed in the control circuit ; and 

7. The method of claim 1 , wherein the signal indicates the 35 a memory installed in the control circuit and coupled to 

the processor ; configuration of the CORESET . wherein the processor is configured to execute a program 8. The method of claim 1 , wherein the signal is PDCCH code stored in the memory to : config information element . 9. The method of claim 1 , wherein the interval is the transmit a signal indicating at least a first duration and 

difference between two bit positions . a bit map , wherein the first duration is time duration of a control 10. The method of claim 1 , wherein the interval is number 

of bits between two bit positions . resource set ( CORESET ) , and 

11. The method of claim 1 , wherein the CORESET is wherein the bit map includes a set of bit positions , monitored on a number of consecutive OFDM symbol where each bit position has a value of one or zero and 

provided by the first duration from the starting OFDM 45 each bit position with the value of one indicates a starting Orthogonal Frequency Division Multiplex symbol . 12. A method of a network node , the method comprising : ing ( OFDM ) symbol of a monitoring occasion of the 

CORESET within a slot ; and transmitting a signal indicating at least a first duration and not allowing to transmit the signal such that an interval 

wherein the first duration is time duration of a control 50 between any two bit positions with the value of one 

resource set ( CORESET ) , and in the set of bit positions in the bit map is smaller 

than the first duration . wherein the bit map includes a set of bit positions , where 23. The network node of claim 22 , wherein the CORESET each bit position has a value of one or zero and each bit 

position with the value of one indicates a starting is monitored on a number of consecutive OFDM symbol 

Orthogonal Frequency Division Multiplexing ( OFDM ) provided by the first duration from the starting OFDM symbol symbol of a monitoring occasion of the CORESET 

within a slot ; and 

40 

a bit map , 

55 

Case 2:23-cv-00487-JRG-RSP Document 1-2 Filed 10/19/23 Page 29 of 29 PageID #: 53