Frequency source synchronization and redundancy
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United States of America Patent
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Nov 23, 2010
Grant Date -
Jan 29, 2009
app pub date -
Jul 26, 2007
filing date -
Jul 26, 2007
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Abstract
A system and method for ensuring proper synchronization of a plurality of frequency sources used in reception diversity-based radio reception. The frequency sources are concatenated in a synchronization loop, through which one frequency source having a high performance oscillator is configured as a master source. Through its oscillator, the master provides an internal synchronization signal that synchronizes all other sources, which have lower performance oscillators and are configured as slaves. Upon a failure in the master oscillator or in the synchronization loop, a slave source takes over as an alternative master source and provides its internal oscillator signal as an alternative synchronization signal to all other frequency sources.
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