The invention relates to an integrated antenna node for use in wireless communication in a communication system, the wireless communication involving uplink and downlink physical-layer processing. The integrated antenna node is adapted to perform, for at least one set of corresponding uplink and downlink physical-layer processing functions, only the uplink physical-layer processing functions or the corresponding downlink physical-layer processing functions. The invention further relates to a main node, a radio base station, computer programs and computer program products.