Patent ID: 11968680
Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A base station in a wireless communication system, the base station comprising:
a wireless communication module; and
a processor,
wherein the processor is configured to:
schedule an uplink transmission on one or more subframes through an unlicensed cell, and
transmit a Physical Downlink Control Channel (PDCCH) including downlink control information (DCI) for scheduling the uplink transmission on one or more subframes,
wherein the DCI indicates a first type channel access or a second type channel access and a priority class,
wherein the uplink transmission is performed based on at least one parameter determined by the priority class, and
wherein the uplink transmission is performed by using the first type channel access with the priority class in a subframe after a particular subframe when the second type channel access for performing the uplink transmission on the one or more subframes is indicated in the DCI, and the user equipment has been stopped the uplink transmission during or before the particular subframe among the one or more subframes.