Selecting base station radio systems for receiving and combining OFDM signals from a mobile station

摘要

A radio network control method that allows uplink signals transmitted by a mobile station 150 to be received by two or more selected base station radio systems 110, 120, 130 and then combined, thus providing receiver diversity. The method requires measurement of radio link qualities of the Orthogonal Frequency Division Multiplexed (OFDM) signals passing between mobile station 150 and base station radio system 110, 120, 130. The method is selectively applied to individual mobile stations 140, 150, 160 and, for each mobile station 140, 150, 160, to a selection from the available base station radio systems 110, 120, 130 based upon the relative and/or absolute measurements of radio link qualities.