Method and apparatus for signal to noise ratio estimation

Details Method and apparatus for signal to noise ratio estimation Method and apparatus for signal to noise ratio estimation

2006-06-29

2009-12-29

Lugo, David B (Department: 2611)

Pulse or digital communications

Testing

Signal noise

C455S226300

Reexamination Certificate

active

07639735

ABSTRACT:
A method and apparatus for generating a signal to noise ratio (SNR) estimate. A conditional probability distribution function (CPDF) is rectified to suppress the condition, thereby creating a biased CPDF. Conditional offset moments are computed through an analysis of the asymmetry generated by the rectification. The conditional offset moments are then utilized to reduce the bias generated by the rectification to enhance the SNR estimate.

REFERENCES:
patent: 7313167 (2007-12-01), Yoon et al.
patent: 2005/0207476 (2005-09-01), Anderson

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