US 12,408,053 B2
Beam management enhancements for multi-TRP scenarios
Qiaoyu Li, Beijing (CN); Yu Zhang, Beijing (CN); Liangming Wu, Beijing (CN); Chenxi Hao, Beijing (CN); Chao Wei, Beijing (CN); Min Huang, Beijing (CN); Yuwei Ren, Beijing (CN); Hao Xu, Beijing (CN); and Wanshi Chen, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/607,291
Filed by QUALCOMM Incorporated, San Diego, CA (US)
PCT Filed May 28, 2020, PCT No. PCT/CN2020/092862
§ 371(c)(1), (2) Date Oct. 28, 2021,
PCT Pub. No. WO2020/239010, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. PCT/CN2019/089535 (WO), filed on May 31, 2019.
Prior Publication US 2022/0225138 A1, Jul. 14, 2022
Int. Cl. H04W 24/08 (2009.01); H04B 7/08 (2006.01); H04L 5/00 (2006.01)
CPC H04W 24/08 (2013.01) [H04B 7/088 (2013.01); H04L 5/005 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A method of wireless communication by a user equipment (UE), comprising:
receiving a channel state information reference signal (CSI-RS) resource configuration from at least one base station (BS) for one or more transmission hypotheses, wherein the CSI-RS resource configuration includes CSI-RS resources corresponding to at least a first downlink (DL) demodulation reference signal (DMRS)-port-group and a second DL DMRS-port-group;
performing one or more CSI-RS measurements for the one or more transmission hypotheses based, at least in part on the CSI-RS resource configuration;
determining, for each of the one or more transmission hypotheses, a preferred reception beam for communicating with the at least one BS based, at least in part, on the one or more CSI-RS measurements;
determining at least one transmission hypothesis of the one or more transmission hypotheses based on a DMRS-port-group indication for DL transmission included in control signaling received from the at least one BS, wherein:
the control signaling further includes a quasi-colocation (QCL) information indication; and
the determined at least one transmission hypothesis of the one or more transmission hypotheses comprises at least two transmission hypotheses determined based on the QCL information; and
determining spatial reception parameters for DL reception based, at least in part, on the determined preferred reception beam associated with the determined at least one hypothesis of the one or more transmission hypotheses.