Co-channel interference detector

Details Co-channel interference detector Co-channel interference detector

2006-10-16

2011-12-13

Natnael, Paulos (Department: 2422)

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

Reexamination Certificate

active

08077260

ABSTRACT:
A receiver processes a received signal for determining the presence of a co-channel interfering signal by (a) measuring a power level of a first signal in a first narrowband frequency region of a wideband frequency channel; (b) measuring power levels of signals in narrowband frequency regions adjacent to the first narrowband frequency region; and (c) determining if the first signal is an interfering signal in the wideband frequency channel as a function of the measured power levels.

REFERENCES:
patent: 5325204 (1994-06-01), Scarpa
patent: 5400084 (1995-03-01), Scarpa
patent: 5748226 (1998-05-01), Limberg
patent: 6426983 (2002-07-01), Rakib et al.
patent: 7324616 (2008-01-01), Sobchak et al.
patent: 2006/0092330 (2006-05-01), Markman et al.
patent: 2006/0146200 (2006-07-01), Edde et al.
patent: 2010/0020235 (2010-01-01), Bouillet

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