US 12,149,306 B2
Systems and methods for robust CSI feedback
Yushu Zhang, Beijing (CN); Chunhai Yao, Beijing (CN); Chunxuan Ye, San Diego, CA (US); Dawei Zhang, Saratoga, CA (US); Haitong Sun, Cupertino, CA (US); Seyed Ali Akbar Fakoorian, San Diego, CA (US); Sigen Ye, San Diego, CA (US); Wei Zeng, Saratoga, CA (US); and Weidong Yang, San Diego, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Filed by APPLE INC., Cupertino, CA (US)
Filed on Jul. 26, 2023, as Appl. No. 18/359,103.
Application 18/359,103 is a continuation of application No. 17/593,256, granted, now 11,831,371, previously published as PCT/CN2021/076748, filed on Feb. 18, 2021.
Prior Publication US 2023/0370127 A1, Nov. 16, 2023
Int. Cl. H04L 5/12 (2006.01); H04B 7/0456 (2017.01); H04B 7/06 (2006.01); H04L 1/00 (2006.01)
CPC H04B 7/0456 (2013.01) [H04B 7/0639 (2013.01); H04L 1/0026 (2013.01); H04L 1/0029 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of a base station for performing channel state information (CSI) reporting, comprising:
selecting, for one or more of a plurality of ranks, whether CSI according to the rank is reported in a wideband manner or in a subband manner;
sending, to a user equipment (UE), a configuration message configuring the UE to report CSI according to each of the plurality of ranks, wherein the configuration message includes a selection of whether the CSI for each respective rank of the one or more of the plurality of ranks should be reported in the wideband manner or in the subband manner; and
receiving, from the UE, a CSI report comprising the CSI according to each of the plurality of ranks.