Systems and methods for tracking communication parameters over a plurality of frequency bands
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United States of America Patent
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Nov 2, 2010
Grant Date -
Apr 29, 2010
app pub date -
Oct 29, 2008
filing date -
Oct 29, 2008
priority date (Note) -
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Abstract
In at least some embodiments, a communication system includes a receiver having a local oscillator (LO) for each of a plurality of frequency bands. Each LO is controlled by a separate phase-locked loop (PLL) that tracks carrier frequency offset (CFO) using a common phase error (CPE). The CPE is selectively weighted based on at least one inter-band frequency correlation (IFC) coefficient.
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