Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael George Taylor0
Date of Patent
June 14, 2011
0Patent Application Number
125716140
Date Filed
October 1, 2009
0Patent Primary Examiner
Patent abstract
The present invention is a method and apparatus to make an estimate of the phase of a signal relative to the local oscillator in an optical coherent detection subsystem that employs a digital signal processor having a parallel architecture. The phase estimation method comprises operations that do not use feedback of recent results. The method includes a cycle count function so that the phase estimate leads to few cycle slips. The phase estimate of the present invention is approximately the same as the optimal phase estimate.
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