US 12,470,335 B2
Method for updating beam information and communications apparatus
Peng Guan, Shenzhen (CN); and Xi Zhang, Chengdu (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Feb. 14, 2022, as Appl. No. 17/671,229.
Application 17/671,229 is a continuation of application No. PCT/CN2020/108073, filed on Aug. 10, 2020.
Claims priority of application No. 201910750959.X (CN), filed on Aug. 14, 2019; application No. 201910941731.9 (CN), filed on Sep. 30, 2019; and application No. 202010087025.5 (CN), filed on Feb. 11, 2020.
Prior Publication US 2022/0173848 A1, Jun. 2, 2022
Int. Cl. H04L 5/00 (2006.01); H04B 7/06 (2006.01)
CPC H04L 5/0023 (2013.01) [H04B 7/06968 (2023.05); H04L 5/0032 (2013.01); H04L 5/0048 (2013.01); H04L 5/0098 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for updating beam information, comprising:
receiving, by a communications apparatus, information about a time-frequency tracking reference signal resource configured for a first component carrier (CC) and information about a time-frequency tracking reference signal resource configured for one or more second CCs associated with the first CC;
receiving, by the communications apparatus, beam update information of the first CC indicating the communications apparatus to update beam information of the first CC, wherein the beam update information of the first CC comprises information about an active transmission configuration indicator state (TCI-state) of the first CC; and
in response to receiving the beam update information of the first CC, updating, by the communications apparatus based on the beam update information of the first CC, the beam information of the first CC and beam information of the one or more second CCs associated with the first CC, wherein updating the beam information comprises activating, based on the active TCI-state of the first CC, a TCI-state of the first CC and a TCI-state of the one or more second CCs to generate the active TCI-state of the first CC and an active TCI-state of the one or more second CCs same as the active TCI-state of the first CC.