US 12,238,743 B2
Acknowledgement of group common dci for MU-MIMO
Fang Yuan, Beijing (CN); Yan Zhou, San Diego, CA (US); and Tao Luo, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/904,857
Filed by QUALCOMM Incorporated, San Diego, CA (US)
PCT Filed May 1, 2020, PCT No. PCT/CN2020/088545
§ 371(c)(1), (2) Date Aug. 23, 2022,
PCT Pub. No. WO2021/217681, PCT Pub. Date Nov. 4, 2021.
Prior Publication US 2023/0113419 A1, Apr. 13, 2023
Int. Cl. H04W 72/232 (2023.01); H04L 1/1829 (2023.01)
CPC H04W 72/232 (2023.01) [H04L 1/1861 (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:
receive, from a base station, group common downlink control information (DCI), the group common DCI being for a set of UEs, the set of UEs including the UE;
determine whether the group common DCI includes at least one downlink assignment index (DAI);
transmit an acknowledgement (ACK) or a non-acknowledgement (NACK) in response of the determination of the group common DCI including the DAI; and
communicate, with the base station, based on the group common DCI.