US 12,069,652 B2
Method to determine spatial quasi co-location (QCL) assumption for channel state information reference signal (CSI-RS) in new radio (NR)
Guotong Wang, Beijing (CN); Yushu Zhang, Beijing (CN); Alexei Davydov, Nizhny Novgorod (RU); and Gang Xiong, Portland, OR (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/287,794
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Oct. 31, 2019, PCT No. PCT/US2019/059070
§ 371(c)(1), (2) Date Apr. 22, 2021,
PCT Pub. No. WO2020/096852, PCT Pub. Date May 14, 2020.
Claims priority of provisional application 62/757,665, filed on Nov. 8, 2018.
Prior Publication US 2021/0400700 A1, Dec. 23, 2021
Int. Cl. H04W 72/1273 (2023.01); H04W 72/044 (2023.01); H04W 72/23 (2023.01)
CPC H04W 72/1273 (2013.01) [H04W 72/046 (2013.01); H04W 72/23 (2023.01)] 18 Claims
OG exemplary drawing
 
1. A user equipment (UE), comprising:
one or more processors configured to:
process a physical downlink shared channel (PDSCH) scheduling signal, received from a base station (BS), wherein the PDSCH scheduling signal is configured to schedule a PDSCH transmission and wherein the PDSCH scheduling signal comprises a first transmission configuration indicator (TCI) state indicative of a first channel state information reference signal (CSI-RS) resource;
determine a PDSCH receive (Rx) beam to be utilized for a reception of the PDSCH transmission based on the first CSI-RS resource based at least in part on whether the first CSI-RS resource is aperiodically transmitted within a predefined time period before the scheduled PDSCH transmission; and
generate a beam pattern of an aperiodic transmission of the first CSI-RS resource within the predefined time period as the PDSCH Rx beam, in response to the first CSI-RS resource being aperiodically transmitted within the predefined time period before the scheduled PDSCH transmission.