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Method and system for multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems

  • US 20030137956A1
  • Filed: 05/08/2002
  • Published: 07/24/2003
  • Est. Priority Date: 01/15/2002
  • Status: Active Grant
First Claim
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1. A method for determining an arbitrary delay in a source code word propagated over a channel that introduces the arbitrary delay in the source code word to produce a received code word, the code words encompassing a given time interval, the method comprising partitioning the time interval into cells and grouping a plurality of cells into groups of cells, examining each of the groups to locate a particular one of the groups containing the arbitrary delay with reference to the code words, and estimating the arbitrary delay within the particular one of the groups with reference to the code words.

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