METHOD AND DEVICE FOR TRANSMITTING UPLINK IN UNLICENSED BAND

摘要

Provided are a method and a device for transmitting an uplink in an unlicensed band. The device checks for idle sub-pools by performing clear channel assessment (CCA) on a plurality of sub-pools in a main pool in an unlicensed band. The device transmits an uplink transmission block by using the idle sub-pools in the unlicensed band.