US 11,838,089 B2
Systems and methods for control signaling for beam searching latency reduction
Yushu Zhang, Beijing (CN); Chunhai Yao, Beijing (CN); Chunxuan Ye, San Diego, CA (US); Dawei Zhang, Cupertino, CA (US); Fangli Xu, Beijing (CN); Haijing Hu, Cupertino, CA (US); Haitong Sun, Cupertino, CA (US); Hong He, Cupertino, CA (US); Wei Zeng, Cupertino, CA (US); Weidong Yang, San Diego, CA (US); Yeong-Sun Hwang, Bavaria-Bayern (DE); Yuchul Kim, Cupertino, CA (US); and Yuqin Chen, Beijing (CN)
Assigned to APPLE INC., Cupertino, CA (US)
Appl. No. 17/593,562
Filed by APPLE INC., Cupertino, CA (US)
PCT Filed May 15, 2020, PCT No. PCT/CN2020/090523
§ 371(c)(1), (2) Date Sep. 21, 2021,
PCT Pub. No. WO2021/227015, PCT Pub. Date Nov. 18, 2021.
Prior Publication US 2022/0311499 A1, Sep. 29, 2022
Int. Cl. H04B 7/06 (2006.01); H04B 7/08 (2006.01); H04L 5/00 (2006.01)
CPC H04B 7/0695 (2013.01) [H04B 7/088 (2013.01); H04L 5/0048 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of a base station for beam searching latency reduction, comprising:
determining that a first Synchronization Signal Block (SSB) and a second SSB are to be spatially correlated according to a spatial correlation configuration;
selecting a first transmit (Tx) beam to transmit the first SSB and a second Tx beam to transmit the second SSB according to the spatial correlation configuration;
transmitting the first SSB with the first Tx beam and the second SSB with the second Tx beam; and
transmitting a correlation message for a user equipment (UE), the correlation message comprising spatial correlation information to indicate to the UE that the first SSB and the second SSB are spatially correlated, and wherein the spatial correlation information comprises a number of groups of SSBs that are spatially correlated.