US 12,250,565 B2
Control messaging for multi-beam communications
Haitong Sun, Cupertino, CA (US); Dawei Zhang, Saratoga, CA (US); Fangli Xu, Beijing (CN); Haijing Hu, Los Gatos, CA (US); Jie Cui, San Jose, CA (US); Wei Zeng, Saratoga, CA (US); Yang Tang, San Jose, CA (US); and Yushu Zhang, Beijing (CN)
Assigned to APPLE INC., Cupertino, CA (US)
Appl. No. 17/440,611
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Apr. 8, 2020, PCT No. PCT/CN2020/083759
§ 371(c)(1), (2) Date Sep. 17, 2021,
PCT Pub. No. WO2021/203296, PCT Pub. Date Oct. 14, 2021.
Prior Publication US 2023/0027281 A1, Jan. 26, 2023
Int. Cl. H04W 16/28 (2009.01); H04L 5/00 (2006.01); H04W 80/02 (2009.01)
CPC H04W 16/28 (2013.01) [H04L 5/0051 (2013.01); H04W 80/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method, at an access node, comprising:
identifying an update of a Transmission Configuration Indicator (TCI) state corresponding to a Component Carrier (CC) for a User Equipment (UE), wherein the CC has a serving cell ID;
determining that a list of CCs including the CC are to be updated based on the update of the TCI state;
generating a medium access control control element (MAC CE) including the serving cell ID and a bit value directing the UE to update the TCI state for CCs in the list of CCs using the serving cell ID; and
transmitting the MAC CE to the UE,
wherein the bit value modifies a TCI codepoint with multiple TCI states.