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Method and arrangement for demodulating data symbols

  • US 6,269,116 B1
  • Filed: 09/18/1998
  • Issued: 07/31/2001
  • Est. Priority Date: 09/19/1997
  • Status: Expired due to Term
First Claim
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1. A method of demodulating data symbols transmitted through a communication channel, comprising the steps of:

  • sequentially receiving a plurality of signal samples representing the data symbols;

    storing the received plurality of signal samples;

    forward-demodulating the stored signal samples into a first set of soft values, each associated with a particular data symbol;

    backward-demodulating the stored signal samples into a second set of soft values, each associated with a particular data symbol;

    determining, from the first and the second sets of soft values, a joint set of soft values, which for each data symbol expresses a joint soft value.

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