Patent SG-11201806886S-A (SG)
Title: Beam reference signal for broadcast decoding
Inventor: CEZANNE JUERGEN
IPC: H04B7/06
Filed: 2017-03-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 111111110111101110101011111010111110111010111110111111111011101111101111011111 International Bureau 0.. .1 j ..... ..or::,„, (10) International Publication Number (43) International Publication Date WO 2017/172858 Al 5 October 2017 (05.10.2017) IN I PO I P CT (51) International Patent Classification: (74) Agent: ANDERSON, Thomas, D.; Holland & Hart LLP, H04B 7/06 (2006.01) HO4L 5/00 (2006.01) P.O. Box 11583, Salt Lake City, Utah 84147 (US). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/US2017/024660 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 29 March 2017 (29.03.2017) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (26) Publication Language: English MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (30) Priority Data: NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, 62/315,666 30 March 2016 (30.03.2016) US RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, 15/357,055 21 November 2016 (21.11.2016) US TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse (84) Designated States (unless otherwise indicated, for every Drive, San Diego, California 92121-1714 (US). kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (72) Inventors: CEZANNE, Juergen; 5775 Morehouse Drive, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, San Diego, California 92121-1714 (US). SUBRAMANI- TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, AN, Sundar; 5775 Morehouse Drive, San Diego, Califor- DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, _ nia 92121-1714 (US). ISLAM, Muhammad Nazmul; LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, — _ 5775 Morehouse Drive, San Diego, California 92121-1714 SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (US). SADIQ, Bilal; 5775 Morehouse Drive, San Diego, GW, KM, ML, MR, NE, SN, TD, TG). California 92121-1714 (US). SAMPATH, Ashwin; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). Declarations under Rule 4.17: LI, Junyi; 5775 Morehouse Drive, San Diego, California — as to applicant's entitlement to apply for and be granted a = 92121-1714 (US). patent (Rule 4.1700) [Continued on next page] = (54) Title: BEAM REFERENCE SIGNAL FOR BROADCAST DECODING = = = = , \\\ PBCH: AP 0 AP 1 AP n 415 — = = 1 ;BRS . '',.. ' ISR5 I 1 5 — N = - 435 \ 1 5 + [+1 1 +1 1 +1 1 +1 1] = SSS \ I 5 .30-a [+I +I +I +I —I +I +I —I] 410 PSS ESS \ \ \ \ Id 5 I 5 I 1 430-b ._ — 11 GC kr) vs,„ \ \\I PBCH + : BRS \ \ \ \ \ \ \ \ Pls( II PBC I 420 L) L) LV-) 440-n 440-a 440-b 440- .____ 400 pt ei IN 1-1 ----- (57) : Methods, systems, IN that includes physical broadcast C synchronization subframe including ei antenna ports may be code division multiplexed or frequency division multiplexed over multiple frequency tones. A user equipment en. ) (UE) may use the beam reference ii for code division multiplexed signals may be selected to facilitate generation of channel estimates for PBCH signals transmitted us - P. ing nearby frequency tones. 405 and channel signals FIG. 4 devices for wireless communication are described. A base station may transmit a subframe (PBCH) signals interspersed within beam reference signals, where the subframe may be a one or more synchronization signals. In some cases, the beam reference signals from different to generate channel estimates for the PBCH signals. In some cases, orthogonal cover codes WO 2017/172858 Al MIDEDIM000101011101010M010011101111110111110111110110111111 — as to the applicant's entitlement to claim the priority of Published: the earlier application (Rule 4.17(iii)) — with international search report (Art. 21(3))