Telecommunications – Receiver or analog modulated signal frequency converter – Plural receivers
Reexamination Certificate
2011-04-19
2011-04-19
Urban, Edward (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Plural receivers
C455S182100, C455S192100, C455S255000, C455S071000, C455S456100, C375S226000, C375S326000, C375S327000, C375S344000, C331S016000, C331S018000
Reexamination Certificate
active
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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Babitch Daniel
Garin Lionel
Gronemeyer Steven A.
Pande Ashutosh
Peng Leon Kuo-Liang
Chen Junpeng
RatnerPrestia
SiRF Technology Inc.
Urban Edward
LandOfFree
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