Adaptive co-channel interference canceler using spectral symmetr

Details Adaptive co-channel interference canceler using spectral symmetr Adaptive co-channel interference canceler using spectral symmetr

1995-11-17

1998-05-26

Mai, Tan V.

Boots, shoes, and leggings

G06F 1710

Patent

active

057576840

ABSTRACT:
A co-channel interference canceling system that uses adaptive filters exploiting the short-term spectral symmetry of narrow-band FM signals. The carrier frequency of a signal-of-interest is designated. An adaptive filter is generated that passes those spectral components that exhibit symmetry about this center-point frequency, and attenuates those that do not. Co-channel interferers detuned from the SOI are significantly attenuated, greatly improving the reception of the signal of interest.

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patent: 5416845 (1995-05-01), Shen
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Openheim and Schafer, "Digital Signal Processing," 1975, pp. 110-115.

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