Joint pulse and symbol level acquisition of UWB receivers

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Synchronization is a key issue for ultra-wideband (UWB) radios. Most UWB receivers require a sub-nanosecond level synchronization accuracy for pulse detection, usually leading to a very long acquisition time. In this paper, we propose a novel acquisition algorithm for UWB receivers, which jointly achieves pulse acquisition (PA) and symbol timing in a short time. Novel and practical error-resistant approaches are developed to keep the false alarm (FA) rate under a desired low level. Detailed analysis based on finite state machine and flow graph theory is carried out to evaluate its acquisition performance. Comparison with the PA-only case is made, illustrating the effectiveness of our joint approach. Simulations corroborate our theoretical results.

Original languageEnglish (US)
Pages (from-to)6-14
Number of pages9
JournalIEEE Transactions on Wireless Communications
Volume7
Issue number1
DOIs
StatePublished - Jan 2008

Keywords

  • False alarm rate
  • Pulse acquisition
  • Symbol timing
  • Synchronization
  • Ultra-wideband (UWB)

ASJC Scopus subject areas

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

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