Receiver employing correlation technique for canceling...

Details Receiver employing correlation technique for canceling... Receiver employing correlation technique for canceling...

H - Electricity

04

B

H04B 1/10 (2006.01) H04L 27/233 (2006.01)

Patent

CA 2063663

ABSTRACT OF THE DISCLOSURE A receiver suitable for use in a radio-telephone system for recovering data from encoded, quadrature-modulated communication signals employs a feedback arrangement for suppressing cross-talk between the receiver's in-phase and quadrature channels to improve data recovery rates during decoding. The receiver converts in-coming analog communication signals into in-phase and quadrature digital signals, which may have cross-talk components. The receiver has an attenuator for subtracting feedback signals from the in-phase and quadrature digital signals to produce cross-talk- attenuated in-phase and quadrature digital signals, a decoder for decoding the cross-talk-attenuated in-phase and quadrature digital signals to generate first and second data output signals, and the above-mentioned feedback arrangement, which preferably employs a recoder and cross-correlation techniques, for generating the feedback signals.

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