Patent ID: 11956816
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A base station (BS) of a wireless communication system, the BS comprising:
a transceiver; and
a processor coupled with the transceiver and configured to:
perform a channel access procedure in an unlicensed band,
determine a processing time of a user equipment (UE), based on whether to apply a cyclic-extended signal, wherein the cyclic-extended signal is a signal of channel in which entirety or portion of a transmission initiation symbol is cyclic-extended,
after completion of the channel access procedure, transmit, via a downlink (DL) control channel, scheduling information about uplink (UL) transmission determined based on the processing time, and receive, from the UE, a control channel or a data channel.