US 11,778,528 B2
Layer 1 based uplink-only cell switch
Qian Zhang, Basking Ridge, NJ (US); Junyi Li, Franklin Park, NJ (US); Yan Zhou, San Diego, CA (US); Tianyang Bai, Somerville, NJ (US); Kiran Venugopal, Raritan, NJ (US); Ling Ding, Chester, NJ (US); Jung Ho Ryu, Fort Lee, NJ (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 Mar. 8, 2021, as Appl. No. 17/195,325.
Claims priority of provisional application 62/989,436, filed on Mar. 13, 2020.
Prior Publication US 2021/0289408 A1, Sep. 16, 2021
Int. Cl. H04W 4/00 (2018.01); H04W 36/00 (2009.01); H04W 36/32 (2009.01); H04W 76/11 (2018.01); H04W 36/08 (2009.01)
CPC H04W 36/00837 (2018.08) [H04W 36/0077 (2013.01); H04W 36/08 (2013.01); H04W 36/32 (2013.01); H04W 76/11 (2018.02)] 30 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a user equipment (UE), comprising:
transmitting, to a base station, a request for a cell switch responsive at least in part to a trigger condition associated with an uplink-only cell switch being satisfied;
performing the uplink-only cell switch in accordance at least in part with a physical-layer operation or a medium-access-control layer inter-cell mobility operation;
receiving, responsive to performing the uplink-only cell switch, downlink communications using a first beam; and
transmitting, responsive to performing the uplink-only cell switch, uplink communications using a second beam, the first beam being used for an uplink of the UE before the uplink-only cell switch and the second beam being used for the uplink of the UE after the uplink-only cell switch.