Patent SG-11201901867X-A (SG)
Title: Communication beam soft handover
Inventor: TOUBOUL ASSAF
IPC: H04W36/18
Filed: 2017-10-03
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) -., (19) World Intellectual Property MD HIM 0 11101 HOE HI 1 0 011101M OH OH OH I 11110 1111 OEN Organization International Bureau (10) International Publication Number 03 (43) International Publication Date ......°' WO 2018/071226 Al 19 April 2018 (19.04.2018) WIP0 1 PCT (51) International Patent Classification: (72) Inventors: TOUBOUL, Assaf; 5775 Morehouse Drive, H04W 36/06 (2009.01) H04W 36/18 (2009.01) San Diego, California 92121 (US). BERLINER, Ran; 5775 Morehouse Drive, San Diego, California 92121 (US). (21) International Application Number: PCT/US2017/054828 GREENBERGER, Ronen; 5775 Morehouse Drive, San Diego, California 92121 (US). (22) International Filing Date: (74) Agent: TEMPEL, Michael J. et al.; Smith Tempel Bla- 03 October 2017 (03.10.2017) ha LLC, 50 Glenlake Parkway, Suite 340, Atlanta, Georgia (25) Filing Language: English 30328 (US). (26) Publication Language: English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (30) Priority Data: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 62/407,719 13 October 2016 (13.10.2016) US CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 15/661,743 27 July 2017 (27.07.2017) US DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (71) Applicant: QUALCOMM INCORPORATED [US/US]; HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, Attn: International IP Administration, 5775 Morehouse Dri- KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, ye, San Diego, California 92121-1714 (US). 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, (54) Title: COMMUNICATION BEAM SOFT HANDOVER ] ow —,, UL DL UL DL DL UL Target Serving Beam 1010 PUSCH PDSCH 1014 ACK PDSCH 1020 `.- PDSCH 1022 ACK Beam 7 -1004 1003 Base Station 10 t— 1012 .. 1018- ) -I . UE 115 1050-4, Link Budget 1054 Serving Beam RLF 1003 L Serving eam B A 1003 1055 .. ''.. / ,,,,... Target .. 1004 Beam St S t 1 S +t 2 ‘.. ....._ -....._..... 11015-4 7 --, ,2... ••••.. 4 . „ : ------------------------------------------------------------------- t o SF=r41 7+14 ' 1016 S t 4 t 5 7 S viT t6 T t, -.- t$ -- 1004 : \ Target Beam - \ `---1052 FIG. 10 t 1-1 (57) : A method for communication beam transition in a communication system includes exchanging information between a first communication device and a second communication device on a first communication beam, receiving beam information from the e l second communication device on the first communication beam, sending from the first communication device a beam switch command - on the first communication beam, the beam switch command requesting a transition from the first communication beam to a second IN communication beam, simultaneously sending information from the first communication device to the second communication device CZ --.... on the first communication beam and the second communication beam, and ceasing sending information from the first communication * 1-1 1:) device to the second communication device on the first communication beam when transition to the second communication beam is C completed by the first communication device and the second communication device. ei C [Continued on next page] WO 2018/071226 Al MIDEDIMOMOIDEIREEMOMMOHOHOIROMEEN 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 4.17(H)) — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))