KT Corporation
FREQUENCY HOPPING METHOD AND DEVICE IN UNLICENSED BAND

Abstract:

Provided are a method and a device for hopping a frequency in an unlicensed band. The method may include: on the basis of uplink frequency-domain resource allocation information for uplink data transmission in a bandwidth part configured in a unlicensed band or a cell system bandwidth configured in a unlicensed band, performing an LBT operation for each subband to which frequency resources allocated for uplink data transmission belong; determining a subband for uplink data transmission on the basis of the result of the LBT operation; and when uplink data is transmitted in the determined subband, transmitting the uplink data by performing subband-based frequency hopping or bandwidth part-based frequency hopping.