Patent ID: 11910431
Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The terminal device according to claim 14, wherein the service type information corresponding to triggering of PRACH sending comprises a type of a trigger event that triggers the PRACH sending, and the type of the trigger event that triggers the PRACH sending comprises at least one of the following:
initial access of radio resource control (RRC) in an idle state or an inactive state;
state transition of RRC in an inactive state;
connection re-establishment of RRC;
handover;
addition or change of primary and secondary cells;
downlink data arrival or uplink data arrival of RRC in a connected state, wherein an uplink synchronization state is out-of-synchronization;
establishment of uplink timing of a secondary cell;
system information request; and
beam failure recovery.