Patent ID: 6836484
Filing Date: 2004-12-28
Classification: H04W

Abstract:
A wireless packet communication system including at least one radio terminal station, and a base station for multiplexing packets to be transmitted using a plurality of subcarriers and for sending the multiplexed packets to said at least one radio terminal station, said system comprising:means provided in said base station for simultaneously sending reference signals on said subcarriers with the same level to said at least one radio terminal station; report means provided in said at least one radio terminal station for reporting to said base station received conditions of the reference signal of each subcarrier or of each subband corresponding to a frequency band occupied by a plurality of subcarriers; and means provided in said base station for allocating the subcarrier or the subband to each of said packets to be transmitted depending upon the reported received conditions of said subcarrier or said subband, said allocation being performed in a transmission order of said packets.