FIELD: wireless communication.
SUBSTANCE: proposed is a WTRU-executed method which may include receiving multiple LBT configurations associated with one or more of a beam, BWP, LCH, an LBT parameter set, a transmission type, or an LBT sub-band. The method may additionally include receiving a transmission indication using a first LBT configuration from multiple LBT configurations. An attempt can then be made to obtain a channel using the first LBT configuration. The transmission indication may additionally indicate a second LBT configuration from multiple LBT configurations. Data can be transmitted over the channel when the attempt to obtain a channel is successful. An attempt to obtain a channel using a second LBT configuration from multiple LBT configurations can be made when the attempt to obtain a channel using the first LBT configuration is unsuccessful.
EFFECT: provided listen-before-transmission (LBT) configurations.
20 cl, 12 dwg
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