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TDoA based UAV localization using dual-EKF algorithm

  • Sungkyunkwan University

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Most UAV(unmaned aerial vehicle) systems use GPS signals only to locate the emitter's position. However GPS signals contain unwanted information contaminated by environmental components and many interference signals. In this paper, to obtain TDoA signal, we use two UAVs which are equipped with embedded wireless sensors. Under the real geolocation circumstance, it is very difficult to estimate the emitter's position exactly due to environmental noise. In this paper we use the dual-EKF algorithm to obtain the optimal estimation of state values and unknown parameters. The dual-EKF algorithm overcomes the weakness of EKF algorithm which has been widely used in geolocation problem. The performance of our proposed algorithm will be demonstrated through some simulations of UAVs.

Original languageEnglish
Title of host publicationControl and Automation
Subtitle of host publicationInternational Conference, CA 2009, Held as Part of the Future Generation Information Technology Conference, CA 2009, Jeju Island, Korea, December 10-12, 2009.Proceedings
EditorsDominik Slezak, Tai-hoon Kim, Adrian Stoica, Byeong-Ho Kang
Pages47-54
Number of pages8
DOIs
StatePublished - 2009

Publication series

NameCommunications in Computer and Information Science
Volume65
ISSN (Print)1865-0929

Keywords

  • Dual-EKF
  • Localization
  • Time difference of arrival
  • Unmaned aerial vehicles

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