Co-channel interference rejection in a digital receiver

Details Co-channel interference rejection in a digital receiver Co-channel interference rejection in a digital receiver

2006-09-12

2006-09-12

Maung, Nay (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S295000, C375S346000, C375S350000, C370S201000, C370S317000

Reexamination Certificate

active

07107031

ABSTRACT:
The present invention relates to a method for a digital receiver and a receiver exploiting second order statistics for adaptive co-channel interference rejection in wireless communication. It uses digitally I, in phase, and Q, quadrature, branches of a received transmitted signal as input to the receiver, a coarse synchronization and a coarse frequency offset compensation have being performed on the signal. It comprises a means for derotation, means for separation, means for filtering, means for estimating and means for detecting transmitted symbols in the received signal. The invention thereby improving co-channel rejection in wireless communication, thus making it possible to increase the number of communication channels for frequencies used.

REFERENCES:
patent: 5005188 (1991-04-01), Clark
patent: 5278870 (1994-01-01), Mays et al.
patent: 5410750 (1995-04-01), Cantwell et al.
patent: 5629929 (1997-05-01), Blanchard et al.
patent: 6035003 (2000-03-01), Park et al.
patent: 2004/0234011 (2004-11-01), Lindoff et al.
patent: 0193439 (2001-12-01), None

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