Patent SG-11201908407V-A (SG)
Title: A method of base station beam refinement
Inventor: DING LING
IPC: H04W72/04
Filed: 2018-04-28
Abstract: SelectedgNB narrow beam to TX PDSCH UE broad beam to RX PDSCH gNB narrow beam RX scanning UE broad beam to TX PUCCIT () INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 08 November 2018 (08.11.2018) WIPO I PCT omit VIII °nolo Holoimmolomomovoimill (10) International Publication Number WO 2018/204208 Al (51) International Patent Classification: H04B 7/06 (2006.01) HO4W 72/04 (2009.01) (21) International Application Number: PCT/US2018/030055 (22) International Filing Date: 28 April 2018 (28.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/492,893 01 May 2017 (01.05.2017) US 15/965,351 27 April 2018 (27.04.2018) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). (72) Inventors: DING, Ling; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). LUO, Jianghong; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). CHALLA, Raghu, Narayan; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). KUTZ, Gideon Shlomo; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). RAGHAVAN, Vasanthan; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). TOUBOUL, Assaf; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). LI, Junyi; 5775 Morehouse Drive, San Diego, CA 92121-1714 (US). (74) Agent: READ, Randol, W. et al.; Patterson & Sheri- dan, L.L.P., 24 Greenway Plaza, Suite 1600, Houston, TX 77046-2472 (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, JO, 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, (54) Title: A METHOD OF BASE STATION BEAM REFINEMENT 00 FIG. 12 O (57) : Certain aspects of the present disclosure provide techniques for beam refinement. The techniques presented herein may © allow for beam refinement using an existing frame structure and utilizing resources (receive antenna ports) that may otherwise be idle. C [Continued on next page] WO 2018/204208 Al MIDEDIMOMOIDEIRDERI001010110MEMODEVOIMIE 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)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))