Multi-channel data detection phase locked loop error combination logic
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United States of America Patent
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Aug 17, 2010
Grant Date -
Apr 16, 2009
app pub date -
Oct 11, 2007
filing date -
Oct 11, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Phase-error combination for a multi-channel data detection system with a phase locked loop for each channel, comprises receiving phase error information with respect to each channel; combination logic configured to combine the received phase error information and generate a combined phase error; and a phase-error output configured to apply the combined phase error to at least one channel phase locked loop. Additionally, error signal combination comprises receiving error information of a signal relevant to a phase locked loop with respect to each channel; combination logic configured to combine the received error signal information and generate a combined error signal, weighting the received error signal information from each channel, for example with reliability information. An error compensation output is configured to apply the combined, weighted error signal to at least one channel phase locked loop.
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