Synchronization technique for serial modulated waveforms
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United States of America Patent
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Sep 21, 2010
Grant Date -
Feb 1, 2007
app pub date -
Dec 21, 2005
filing date -
Jul 28, 2005
priority date (Note) -
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Abstract
Methods and apparatus for synchronization (SYNC) detection of a received serial offset quadrature pulse shaped waveform modulated by a symbol SYNC sequence are provided. The waveform is serially demodulated into a serial baseband signal and serially correlated with segments of the symbol SYNC sequence. Correlation strength estimates of each of the serially correlated output signal are computed and combined to detect a coarse SYNC. The serially correlated output signals are phase corrected based upon phase change conditions and the phase corrected signals are used to detect a fine SYNC.
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