US 12,267,131 B2
Radio (NR) multi-input multi-output (MIMO) channel state information (CSI) design for small bandwidth part (BWP)
Haitong Sun, Cupertino, CA (US); David Neumann, Munich (DE); Dawei Zhang, Saratoga, CA (US); Ghaith N. Hattab, Santa Clara, CA (US); Ismael Gutierrez Gonzalez, San Jose, CA (US); Wei Zeng, Saratoga, CA (US); Yeong-Sun Hwang, Germering (DE); and Yushu Zhang, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/439,292
Filed by Apple Inc., Cupertino, CA (US); and Haitong Sun, Cupertino, CA (US)
PCT Filed Apr. 8, 2020, PCT No. PCT/CN2020/083800
§ 371(c)(1), (2) Date Sep. 14, 2021,
PCT Pub. No. WO2021/203312, PCT Pub. Date Oct. 14, 2021.
Prior Publication US 2023/0042538 A1, Feb. 9, 2023
Int. Cl. H04B 7/06 (2006.01); H04L 5/00 (2006.01); H04W 72/04 (2023.01); H04W 72/044 (2023.01)
CPC H04B 7/0626 (2013.01) [H04B 7/0639 (2013.01); H04L 5/0057 (2013.01); H04L 5/0094 (2013.01); H04W 72/044 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A user equipment (UE), comprising:
a transceiver configured to communicate with a base station; and
a processor communicatively coupled to the transceiver and configured to:
receive, using the transceiver and from the base station, a channel state information (CSI) reporting configuration message;
determine, using the CSI reporting configuration message, that a number of physical resource blocks (PRBs) of a bandwidth part (BWP) associated with the CSI reporting configuration message is less than a threshold number;
generate a CSI report for the BWP for only a release 15 (Rel-15) Type I CSI without reporting for a Rel-15 Type II CSI and without reporting for a Rel-16 Type CSI; and
transmit, using the transceiver, the CSI report to the base station.