Patent SG-11201806790S-A (SG)
Title: Communication of broadcast reference signal
Inventor: YANG YANG
IPC: H04L5/00
Filed: 2017-03-08
Abstract: r 704 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/165121 Al 28 September 2017 (28.09.2017) WIPO I PCT (51) International Patent Classification: H04L 27/26 (2006.01) HO4L 5/00 (2006.01) (21) International Application Number: PCT/US2017/021441 (22) International Filing Date: 8 March 2017 (08.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/312,332 23 March 2016 (23.03.2016) US 15/251,946 30 August 2016 (30.08.2016) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: YANG, Yang; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). JIANG, Jing; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). LUO, Tao; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). LY, Hung; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: BURGESS, Jeffrey; Loza & Loza, LLP, 305 North Second Avenue #127, Upland, California 91786 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 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, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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). Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.1 7 (iii)) Published: — with international search report (Art. 21(3)) = (54) Title: COMMUNICATION OF BROADCAST REFERENCE SIGNAL 700 712 722 732 716 724 734 K-, ' SSS co 2 Time FIG. 7 (57) : Various aspects provide for communicating a first set of broadcast reference signals (RSs) in a first subframe that in- cludes a synchronization (SYNC) channel and communicating a second set of broadcast RSs in a second subframe that follows the first subframe. The second subframe may immediately follow the first subframe. A portion of the SYNC channel may include in - formation indicating a configuration of broadcast RSs in one or more other subframes. The broadcast RSs may be configured for timing-error estimation, frequency-error estimation, and/or channel estimation. Additional and alternative aspects, embodiments, and features are also provided herein. 1111111111111101110111111111110101111101110111111111111101110111011111111111110111111 W O 20 17 / 165 121 Al 714