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Power and confidence ordered low complexity soft turbomud with voting system

  • US 20030138065A1
  • Filed: 07/29/2002
  • Published: 07/24/2003
  • Est. Priority Date: 01/23/2002
  • Status: Active Grant
First Claim
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1. An advanced receiver apparatus for processing multiple received signals with interfering signals, comprising:

  • an ordering unit for ordering users indices, wherein on a first iteration ordering is based on received signal power, and wherein on subsequent iterations ordering is based on confidence values;

    a multi-user detector coupled to said ordering unit producing a plurality of surviving states;

    a voting unit coupled to said multi-user detector for processing said surviving states and generating a set of soft estimates of channel symbols; and

    a decoder section coupled to said voting unit and said multi-user detector, wherein said decoder section processes said soft estimates of channel symbols to produce a final output on a final iteration, and wherein said decoder produces said confidence values for intermediate iterations.

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