System and method for signal validation and leakage detection

Details System and method for signal validation and leakage detection System and method for signal validation and leakage detection

H - Electricity

04

B

H04B 17/00 (2006.01) G01R 31/02 (2006.01) H04B 3/46 (2006.01) H04N 17/00 (2006.01)

Patent

CA 2390000

A system and method of validating signals and detecting signal leakage in a cable communications includes the steps of a) tuning a radio frequency receiver to a carrier frequency of a selected RF channel, b) measuring a signal level of the carrier frequency, c) off-tuning the receiver by a predetermined offset, d) measuring a signal level of the off- tuned carrier frequency, e) obtaining a signal level difference between the signal level of the carrier frequency and the signal level of the off-tuned carrier frequency to determine if interference exists, f) declaring an interference condition if the signal level difference is less than a predetermined difference amount, and g) providing an indication of the signal level of the carrier frequency to permit a determination of whether a signal leakage condition exists.

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