US 11,751,186 B2
Single layer uplink non-codebook based precoding optimization
Iyab Issam Sakhnini, San Diego, CA (US); and Tao Luo, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on May 18, 2021, as Appl. No. 17/323,970.
Claims priority of provisional application 63/054,724, filed on Jul. 21, 2020.
Prior Publication US 2022/0030576 A1, Jan. 27, 2022
Int. Cl. H04W 4/00 (2018.01); H04W 72/044 (2023.01); H04W 24/08 (2009.01)
CPC H04W 72/046 (2013.01) [H04W 24/08 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An apparatus for wireless communication at a user equipment (UE), comprising:
a memory; and
at least one processor coupled to the memory and configured to:
measure a non-zero-power channel state information reference signal (NZP-CSI-RS) over one or more beams from a base station;
determine a single beam for communication with the base station based on measurement of the NZP-CSI-RS;
skip transmission of a sounding reference signal (SRS) in response to a determination of the single beam; and
transmit a physical uplink shared channel (PUSCH) using the single beam and based on the determination of the single beam for communication with the base station.