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Method and apparatus for weighted non-binary repeat accumulate coding and space-time coding

  • US 7,423,996 B2
  • Filed: 01/16/2003
  • Issued: 09/09/2008
  • Est. Priority Date: 01/16/2002
  • Status: Active Grant
First Claim
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1. A mobile communication system using multiple antennas comprising:

  • a repeater for receiving non-binary symbols and repeating the non-binary symbols;

    a weighter for weighting the repeated non-binary symbols by multiplying the identical repeated non-binary symbols by corresponding different weighting factors;

    an interleaver for interleaving the weighted non-binary symbols; and

    a coder for coding the interleaved symbols;

    wherein a plurality of binary bits are represented by the non-binary symbol, the repeater repeats the symbols by a repetition factor determined by a data rate of the communication system and a number of the antennas, and a number of the corresponding different weighting factors is equal to the repetition factor.

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