A transmitter, the method of the same, and a communication system using the scheme of space-time block coding employing the multiple beams to mitigate the multipath fading. A transmitter constituted array antennas first performs beams scanning employing beamforming network for estimating the channel...http://www.google.com/patents/US7065149?utm_source=gb-gplus-sharePatent US7065149 - Transmitter, the method of the same and communication system
