Position estimation via ultra-wide-band signals

Sinan Gezici, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

291 Scopus citations


The high time resolution of ultra-wide-band (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems, beginning with an overview of the basic structure of UWB signals and their positioning applications. This overview is followed by a discussion of various position estimation techniques, with an emphasis on time-based approaches, which are particularly suitable for UWB positioning systems. Practical issues arising in UWB signal design and hardware implementation are also discussed.

Original languageEnglish (US)
Article number4796279
Pages (from-to)386-403
Number of pages18
JournalProceedings of the IEEE
Issue number2
StatePublished - Feb 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Computer Science
  • Electrical and Electronic Engineering


  • Impulse radio (IR)
  • Parameter estimation
  • Ranging
  • Time-of-arrival (TOA)
  • Ultra-wide-band (UWB)


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