Patent SG-11201900104Q-A (SG)
Title: Rach conveyance of dl synchronization beam information for various dl-ul correspondence states
Inventor: ISLAM MUHAMMAD NAZMUL
IPC: H04L5/00
Filed: 2017-08-11
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111110H 0 ill HON HI 1 0 0111E011 01 H EH OE WO 1111 OEN Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/031852 Al 15 February 2018 (15.02.2018) W I P0 I P C T (51) International Patent Classification: house Drive, San Diego, California 92121-1714 (US). H04B 7/06 (2006.01) HO4L 5/00 (2006.01) ABEDINI, Navid; 5775 Morehouse Drive, San Diego, Cal- (21) International Application Number: ifornia 92121-1714 (US). SADIQ, Bilal; 5775 Morehouse PCT/US2017/046431 Drive, San Diego, California 92121-1714 (US). (22) International Filing Date: (74) Agent: ANDERSON, Thomas, D.; Holland & Hart LLP, 11 August 2017 (11.08.2017) P.O. Box 11583, Salt Lake City, Utah 84147 (US). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (26) Publication Language: English AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (30) Priority Data: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 62/374,735 12 August 2016 (12.08.2016) US DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 62/379,209 24 August 2016 (24.08.2016) US HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, 62/406,377 10 October 2016 (10.10.2016) US KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 62/407,423 12 October 2016 (12.10.2016) US MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 62/418,072 04 November 2016 (04.11.2016) US OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 15/674,287 10 August 2017 (10.08.2017) US 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. (71) Applicant: QUALCOMM INCORPORATED [US/US]; (84) Designated States (unless otherwise indicated, for every ATTN: International IP Administration, 5775 Morehouse kind of regional protection available): ARIPO (BW, GH, Drive, San Diego, California 92121-1714 (US). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, = (72) Inventors: ISLAM, Muhammad Nazmul; 5775 More- UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, house Drive, San Diego, California 92121-1714 (US). TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, = SUBRAMANIAN, Sundar; 5775 Morehouse Drive, San EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, — Diego, California 92121-1714 (US). LI, Junyi; 5775 More- MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, = — (54) Title: RACH CONVEYANCE OF DL DENCE STATES = ICI'!! SYNCHRONIZATION BEAM INFORMATION FOR VARIOUS DL-UL CORRESPON- (57) : Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a downlink (DL) signal = = Mr ) = _ Ili-a 105-a from a base station on one or more DL beam(s). The UE may identify a selected DL beam of the one or more DL beam(s) for communications from 71 the base station to the UE. The UE may transmit a beam recovery or beam tracking message to the base station using at least one of a resource or a waveform selected based at least in part on the selected DL beam. _ = DL Sync Signal 205 = = - 210 = = 220 225 11 RACH Messa•e N 11 in id.,,,, S lected DI Bean 230 cc ,—, M © ...... 00 11 © r'l (DL Bean, FIG. 2 2 35 200 C [Continued on next page] WO 2018/031852 Al 1111111111111101110111111111111111111111011111111011101 1111111111011111110110111111 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))