Trade-off on detection range and channel usage for moving target tracking using FSK radar

Jing Wang, Daniel Nolte, Karp Tanja, Jose Maria Munoz-Ferreras, Roberto Gomez-Garcia, Changzhi Li

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Spectrum-efficient frequency shift keying (FSK) radar has been investigated previously for range tracking and localization of both moving and stationary human targets. Traditionally, both in-phase (I) and quadrature (Q) channels are used for range tracking of moving targets using FSK radar. In this paper, a single channel moving target tracking method is proposed, which brings the benefit of reduced circuit complexity at the trade-off of half of the maximum unambiguous range. Range tracking theory including quadrature channel demodulation, single channel demodulation, and phase difference correction are discussed. Simulation is provided to validate the proposed tracking method. Experiments demonstrate that the target trajectory can be successfully measured with the proposed single channel tracking method if it is within half maximum unambiguous range of an I/Q channel system, while the range estimation will be inaccurate if the target movement is beyond the limit of half maximum unambiguous range.

Original languageEnglish
Title of host publication2020 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNeT 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages38-41
Number of pages4
ISBN (Electronic)9781728133553
DOIs
StatePublished - Jan 2020
Event2020 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNeT 2020 - San Antonio, United States
Duration: Jan 26 2020Jan 29 2020

Publication series

Name2020 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNeT 2020

Conference

Conference2020 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNeT 2020
Country/TerritoryUnited States
CitySan Antonio
Period01/26/2001/29/20

Keywords

  • Frequency-shift keying (FSK) radar
  • Moving target
  • Range tracking
  • Single channel
  • Wireless sensor

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