Patent ID: 11963229
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A competitive random access method applicable to a terminal, comprising:
before sending a message of the random access to the base station, determining whether a listen before talk (LBT) competition failure for an unlicensed frequency band reaches a second preset condition;
initiating random access to a base station in a preset manner when the LBT competition failure reaches the second preset condition;
sending a first message set of the random access to the base station when the LBT competition failure does not reach the second preset condition and an LBT competition succeeds, and waiting for receiving a second message set of the random access sent by the base station;
wherein the preset manner comprises: sending a first message of the random access to the base station; receiving a second message of the random access sent by the base station according to the first message; sending a third message of the random access to the base station according to the second message; and receiving a fourth message of the random access sent by the base station according to the third message.