Performance analysis of non-coherent UWB receivers at different synchronization levels

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57 Scopus citations


Non-coherent ultra-wideband (UWB) receivers require no channel state information for demodulating the received signal. The primary non-coherent receiver in the UWB literature is the autocorrelation receiver, which autocorrelates the received signal at specific time lags, circumventing problems of template signal design and multipath energy combining. A unique advantage of the UWB autocorrelation receiver is its robustness to synchronization errors, which has not been explored yet to date. This paper investigates two major UWB schemes employing autocorrelation receivers: the transmitted reference (TR) scheme [1] and the differential (DF) scheme [2]. Performance is analyzed for TR and DF receivers at different synchronization accuracy levels, their robustness to synchronization errors is shown, and the existence of a tradeoff between performance and synchronization complexity for non-coherent UWB receivers is revealed. As a result of our analysis, comparisons of TR and DF schemes are also made in the presence of synchronization errors, which have not been addressed before. Simulations corroborate our findings.

Original languageEnglish (US)
Article number1638646
Pages (from-to)1266-1273
Number of pages8
JournalIEEE Transactions on Wireless Communications
Issue number6
StatePublished - Jun 2006


  • Differential (DF)
  • Non-coherent
  • Performance
  • Synchronization
  • Transmitted reference (TR)
  • Ultra-wideband (UWB)

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics


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