Apparatus for a transmitter and a receiver which enhance the performance of a system coherent demodulation by utilizing non-pilot sub-channels to enhance the accuracy of estimates of amplitude and phase noise inherent in the transmission channel is described. This enhancement is accomplished by utilizing...http://www.google.es/patents/US6414988?utm_source=gb-gplus-sharePatente US6414988 - Amplitude and phase estimation method in a wireless communication system
Amplitude and phase estimation method in a wireless communication system
