Frequency phase correction system

Telecommunications – Receiver or analog modulated signal frequency converter – Plural receivers

Reexamination Certificate

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C455S182100, C455S192100, C455S255000, C455S071000, C455S456100, C375S226000, C375S326000, C375S327000, C375S344000, C331S016000, C331S018000

Reexamination Certificate

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07929928

ABSTRACT:
A frequency phase correction system and method are described that provides a receiver with a greater ability to lock onto relatively weak radio frequency signals by determining and estimating an amount of frequency error in a local frequency reference of the receiver, and using the error estimate to maintain frequency coherence with a received signal, thereby allowing tracking over a longer period of time, enabling longer integration times to capture weaker signals without losing frequency coherence.

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