US Patent No. 10,798,771

COMMUNICATION METHOD AND COMMUNICATION APPARATUS


Patent No. 10,798,771
Issue Date October 06, 2020
Title Communication Method And Communication Apparatus
Inventorship Bingzhao Li, Beijing (CN)
Wei Quan, Beijing (CN)
Jian Zhang, Beijing (CN)
Assignee HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)

Claim of US Patent No. 10,798,771

1. A communication method, comprising:receiving, by a terminal device in an inactive state, a paging message;
determining, by the terminal device, whether a content carried in the paging message comprises a first identity of the terminal device, or the content carried in the paging message comprises a second identity of the terminal device and an identity of an anchor access network device;
in response to a determination that the content carried in the paging message comprises the first identity of the terminal device, sending, by the terminal device, a first request message to a first access network device, clearing, by the terminal device, stored context information, and entering, by the terminal device, an idle state; and
in response to a determination that the content carried in the paging message comprises the second identity of the terminal device and the identity of the anchor access network device, sending, by the terminal device, a second request message to the first access network device;
wherein the first request message is a connection establishment request message carrying a non-access stratum (NAS) identifier identifying the terminal device in a core network,
wherein the second request message carries information of the second identity of the terminal device and information of the identity of the anchor access network device, and
wherein the second identity of the terminal device identifies the terminal device on the anchor access network device, and the identity of the anchor access network device identifies the anchor access network device in an access network.