CPC H04W 74/0816 (2013.01) [H04W 74/0866 (2013.01); H04W 76/20 (2018.02)] | 18 Claims |
1. A data transmission method, applied to a base station, comprising:
determining one or more listening frequency bands within an unlicensed frequency range; and
determining a frequency band type of at least one listening frequency band in the one or more listening frequency bands, the frequency band type comprising at least one of an uplink listening frequency band, a downlink listening frequency band, or an undefined listening frequency band, the downlink listening frequency band being used for downlink transmission, the uplink listening frequency band being used for uplink transmission, and the undefined listening frequency band being used for either uplink transmission or downlink transmission, and
wherein determining the frequency band type of the at least one listening frequency band in the one or more listening frequency bands comprises:
determining, in response to receiving a scheduling request sent by user equipment (UE), that the frequency band type of at least one listening frequency band in the one or more listening frequency bands is the uplink listening frequency band.
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