US Patent No. 10,462,827


Patent No. 10,462,827
Issue Date October 29, 2019
Title Random Access Method And Apparatus
Inventorship Jing Liu, Shanghai (CN)
Qinghai Zeng, Shanghai (CN)
Jian Zhang, Shenzhen (CN)
Qufang Huang, Shanghai (CN)
Assignee Huawei Technologies Co., Ltd., Shenzhen (CN)

Claim of US Patent No. 10,462,827

1. A method, comprising:obtaining, by a user equipment, first information, wherein the first information indicates that a first subframe of a physical random access channel (PRACH) resource is available for use after a licensed-assisted access (LAA) cell successfully preempts a channel, and wherein the PRACH resource is allocated by a first base station serving the LAA cell for user equipments to access the LAA cell in a random access procedure;
receiving, by the user equipment, a first indication sent by the first base station, wherein the first indication indicates that the LAA cell has successfully preempted the channel; and
initiating, by the user equipment, the random access procedure for accessing the LAA cell according to the first information after receiving the first indication.