A method for assigning radio resources to a UE comprises receiving an uplink beacon transmission during a beacon occasion of the UE, determining that the uplink beacon transmission corresponds to a need by the UE for radio resources in an upcoming communication occasion of a discontinuous communication mode implemented by the UE, identifying at least one TRP to participate in data communication with the UE, receiving a grant of radio resources for the data communication, wherein the grant of radio resources is specified for use in the upcoming communication occasion, and transmitting the grant of radio resources to the UE.