Patent ID: 11889582
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A computer system including:
one or more processors; and
one or more memories storing computer-readable instructions that, upon execution by the one or more processors, configure the computer system to:
receive, by a terminal device, configuration information that is used to perform mobility management on the terminal device and that is sent by a network device, wherein the configuration information comprises indication information, and the indication information is used to configure a packet data convergence protocol PDCP layer entity; and
determine, by the terminal device according to the indication information, whether to re-establish the PDCP layer entity,
wherein the computer-readable instructions further configure the computer system to:
determine, by the terminal device when the terminal device re-establishes the PDCP layer entity according to the indication information, that a ciphering and deciphering algorithm needs to be reconfigured.