A device, a method and a user equipment (UE) for a wireless communication system, the device including: a UE parameters acquisition unit configured to obtain UE parameters from a UE; a master UE determination unit configured to determine a master UE on the basis of the proximity of the UE to a data stream center, as shown by the UE parameters, the master UE being connected to an associated infrastructure and being provided with functionalities to forward data and/or signaling to other UEs; a communication unit configured to transmit to UEs network control signaling including information relating to the master UE. The device makes possible dynamic network planning while taking account of both network capacity and user equity, thereby improving resource utilization rates.