US 12,119,916 B2
Downlink signal reception with antenna panel switching
Yushu Zhang, Beijing (CN); Dawei Zhang, Saratoga, CA (US); Haitong Sun, Irvine, CA (US); Wei Zeng, San Diego, CA (US); Hong He, Cupertino, CA (US); Yuchul Kim, Santa Clara, CA (US); Chunhai Yao, Beijing (CN); and Haijing Hu, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on May 17, 2023, as Appl. No. 18/319,250.
Application 18/319,250 is a continuation of application No. 17/002,734, filed on Aug. 25, 2020, granted, now 11,689,273.
Claims priority of application No. 201910920469.X (CN), filed on Sep. 27, 2019.
Prior Publication US 2023/0291459 A1, Sep. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 7/08 (2006.01); H04L 5/00 (2006.01); H04W 72/23 (2023.01)
CPC H04B 7/0828 (2013.01) [H04L 5/0048 (2013.01); H04W 72/23 (2023.01)] 18 Claims
OG exemplary drawing
 
1. A user equipment (UE) device, comprising:
at least one antenna;
at least one radio coupled to the at least one antenna; and
a processor coupled to the at least one radio;
wherein the at least one antenna, the at least one radio, and the processor are configured to cause the UE device to:
report an indication for a beam switching delay, wherein the indication comprises a value;
provide an indication of a number of beam groups and a number of beams per beam group supported by the UE device;
receive a physical downlink control channel (PDCCH) triggering measurement of an aperiodic channel state information reference signal (A-CSI-RS) transmission at a scheduling offset;
when the scheduling offset is at least the value and the A-CSI-RS transmission is configured for repetition, apply a transmission configuration indicator (TCI) state configured for the A-CSI-RS transmission, and otherwise apply a default TCI state based on the TCI state for a control resource set (CORESET) with a lowest CORESET identifier (ID) in a latest one or more slots; and
receive the A-CSI-RS transmission based on the scheduling offset and the applied TCI state,
wherein, based on a number of scheduled channel state information reference signal (CSI-RS) resources of the A-CSI-RS transmission being greater than the number of beams per beam group supported by the UE device, the scheduling offset is selected to be at least the beam switching delay for the UE device to have time to perform antenna panel activation.