Method for transmitting and receiving uplink signal in wireless communication system supporting unlicensed band, and apparatus supporting same

    公开(公告)号:US11470639B2

    公开(公告)日:2022-10-11

    申请号:US16922685

    申请日:2020-07-07

    Abstract: A method of a user equipment (UE) in a wireless communication system supporting an unlicensed band, includes performing a channel access procedure (CAP) based on a first channel access priority class parameter; receiving, from a base station (BS) a signal including a second channel access priority class parameter and scheduling information for uplink transmission in a specific time resource; performing the CAP based on the first channel access priority class parameter continuously based on that the first channel access priority class parameter is equal to or greater than the second channel access priority class parameter indicated in the signal; performing the CAP based on the second channel access priority class parameter indicated in the signal based on that the first channel access priority class parameter is less than the second channel access priority class parameter; and performing uplink transmission based on a result of the performed CAP.

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