Accurate positioning in ultra-wideband systems

Hamza Soganci, Sinan Gezici, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

Accurate positioning systems can be realized via ultra-wideband signals due to their high time resolution. In this article, position estimation is studied for UWB systems. After a brief introduction to UWB signals and their positioning applications, two-step positioning systems are investigated from a UWB perspective. It is observed that time-based positioning is well suited for UWB systems. Then time-based UWB ranging is studied in detail, and the main challenges, theoretical limits, and range estimation algorithms are presented. Performance of some practical time-based ranging algorithms is investigated and compared against the maximum likelihood estimator and the theoretical limits. The trade-off between complexity and accuracy is observed.

Original languageEnglish (US)
Article number5751292
Pages (from-to)19-27
Number of pages9
JournalIEEE Wireless Communications
Volume18
Issue number2
DOIs
StatePublished - Apr 2011

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

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