US 12,470,971 B2
Communication method and apparatus
Junren Chang, Beijing (CN); Lei Han, Beijing (CN); Lingping Wang, Shanghai (CN); Shulan Feng, Beijing (CN); and Jianghua Liu, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Dec. 30, 2022, as Appl. No. 18/148,509.
Application 18/148,509 is a continuation of application No. PCT/CN2020/100241, filed on Jul. 3, 2020.
Prior Publication US 2023/0139024 A1, May 4, 2023
Int. Cl. H04W 28/02 (2009.01); H04W 48/16 (2009.01)
CPC H04W 28/0215 (2013.01) [H04W 48/16 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A communication method, wherein the method is applicable to a terminal device or a chip in the terminal device, and the method comprises:
receiving an identifier of a filtering protocol version from a first access network device; and
sending capability information of the terminal device to the first access network device based on the filtering protocol version,
wherein the sending capability information of the terminal device to the first access network device based on the file protocol version comprises:
after determining, based or the filtering protocol version that the filtering protocol version is different from a historical filtering protocol version, sending the capability information of the terminal device to the first access network device, wherein the historical filtering protocol version comprises a filtering protocol version previously received by the terminal device.