Patent SG-11201902201R-A (SG)
Title: Dedicated reference signal for physical broadcast channel
Inventor: LY HUNG
IPC: H04L5/00
Filed: 2017-11-03
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property :::` , 11111111111 0 1110101011111 011101 0 011111111111111H 100111111111011110111111 Organization International Bureau (10) International Publication Number 03 (43) International Publication Date .....•\"\" WO 2018/085654 Al 11 May 2018 (11.05.2018) WIPO I PCT (51) International Patent Classification: CORPORATED, 5775 Morehouse Drive, San Diego, Cal- H04L 5/00 (2006.01) ifornia 92121-1714 (US). LEE, Heechoon; c/o QUAL- (21) International Application Number: COMM INCORPORATED, 5775 Morehouse Drive, San PCT/US2017/059930 Diego, California 92121-1714 (US). JI, Tingfang; c/o QUALCOMM INCORPORATED, 5775 Morehouse Drive, (22) International Filing Date: San Diego, California 92121-1714 (US). ZHANG, Xiaox- 03 November 2017 (03.11.2017) ia; c/o QUALCOMM INCORPORATED, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (25) Filing Language: English (26) Publication Language: English (74) Agent: BINDSEIL, James J. et al.; c/o Arent Fox LLP, 1717 K Street NW, Washington, District of Columbia (30) Priority Data: 20006-5344 (US). 62/417,958 04 November 2016 (04.11.2016) US (81) Designated States (unless otherwise indicated, for every 15/802,149 02 November 2017 (02.11.2017) US kind of national protection available): AE, AG, AL, AM, (71) Applicant: QUALCOMM INCORPORATED [US/US]; AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, ATTN: International IP Administration, 5775 Morehouse CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, Drive, San Diego, California 92121-1714 (US). DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (72) Inventors: LY, Hung; c/o QUALCOMM INCORPO- KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, RATED, 5775 Morehouse Drive, San Diego, California MG, MK, MN, WV, MX, MY, MZ, NA, NG, NI, NO, NZ, — 92121-1714 (US). CHEN, Wanshi; c/o QUALCOMM IN- OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, = (54) Title: DEDICATED REFERENCE SIGNAL FOR PHYSICAL BROADCAST CHANNEL Modem 160 100 = ....-Ak _ Configuration Component 170 -------- •„ ------ , — AM - ----- -• Dedicated DMRS(s) 172 1 . • = ) PBCH 174 115 _ — 135 M I = % 105 = 110 135 — = ---------- _ ( - 0 1 - 1 5 - 10 = 110 5 105 1 5 ir, ..1! 1 105 135 li , 1 110 .- 125 --- -- -. 110 11 . 5 105 .- . 1 ..,, 135 110 k ......- ' ,_,..130 , 110 --- \ • I • • ; • • • • • = ~ 130 _ Modem 140 = — - N. Dedicated RS Processing Component 150 — 130 Dedicated DMRS(s) 172 -, = PBCH 174 Performing Component 152 Il Channel Estimation Procedure 154 FIG. 1 Demodulation Component 156 71' kin kr) (57) : A method and apparatus for utilizing a dedicated reference signal for demodulating a Physical Broadcast Channel = (PBCH) in a wireless communication system is disclosed. For example, the method and apparatus include configuring, at a network 0 ---- entity, at least one dedicated Demodulation Reference Signal (DMRS) in one or more symbols corresponding to a PBCH, each dedicated GO DMRS being used for demodulating the PBCH. The described aspects further include transmitting, by the network entity, the at least Il © one dedicated DMRS to one or more UEs using at least a single antenna port. N C [Continued on next page] WO 2018/085654 Al MIDEDIMOMOIDEIREIDIONIMBEENHEMOVOIS SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))