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Chip-Interleaved Decorrelation in Asynchronous DS CDMA

Alexey Dudkov, Valery Ipatov, Chip-Interleaved Decorrelation in Asynchronous DS CDMA. In: Proceedings of the VIII IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2007), 2007.

Abstract:

Performance of a decorrelating detector in asynchronous DS CDMA is deteriorated by the edge effect, that is, influence of the truncated information bits at the beginning and end of the processing window. To neutralize this effect, a chip interleaving implementation before the transmission is proposed and analyzed. It is shown that this technique secures optimal near-far resistance, removes edge effect entirely and provides visible energy gain, especially when properly adjusted users’ signatures are employed.

BibTeX entry:

@INPROCEEDINGS{inpDuIp07a,
  title = {Chip-Interleaved Decorrelation in Asynchronous DS CDMA},
  booktitle = {Proceedings of the VIII IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2007)},
  author = {Dudkov, Alexey and Ipatov, Valery},
  year = {2007},
}

Belongs to TUCS Research Unit(s): Communication Systems (ComSys)

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