Differentially coherent PN code acquisition based on a matched filter for chip-asynchronous DS/SS communications

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Abstract

A pseudonoise code acquisition technique based on a marched filter with differentially coherent detection is proposed for direct-sequence spread-spectrum communications in chip-asynchronous environments. Such a technique can be confidently exploited as an alternative to noncoherent detectors, which have been extensively investigated, because it can provide very attractive improvements over its noncoherent counterpart as well as overcome the problems caused by chip asynchronization without increasing hardware complexity. The results of statistical analyses show that the proposet technique certainly can achieve much lower error probabilities.

Original languageEnglish
Pages (from-to)1596-1599
Number of pages4
JournalIEEE Transactions on Vehicular Technology
Volume51
Issue number6
DOIs
StatePublished - Nov 2002

Keywords

  • Acquisition
  • Differentially coherent detection
  • Direct-sequence spread-spectrum (DS/SS)
  • Matched filter

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