Patent ID: 11910211
Assignee: KYOCERA CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A user equipment comprising:
a processor and a memory coupled to the processor, the processor configured to receive from a first cell operated in a licensed band, configuration information configuring a second cell operated in an unlicensed band,
perform a listen-before-talk (LBT) procedure on the second cell during each of a plurality of periodic intervals,
count a number of failures of the LBT procedure on the second cell based on the LBT procedure performed on each of the plurality of periodic intervals, and
transmit information based on the number of failures of the LBT procedure on the second cell, to the first cell operated in the licensed band, the information indicating the failure of the LBT procedure on the second cell, wherein the number is larger than 1.