Position and velocity recovery from independent ultrasonic beacons

MR McCarthy, HL Muller, AD Calway, RE Wilson

Research output: Working paper

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In this paper we present a study on how to estimate the position of a mobile receiver using ultrasonic beacons fixed in the environment. Unlike traditional approaches, the ultrasonic beacons are independent, and positioning is performed by measuring the Doppler shift within their observed periods. We show that this approach allows us to deduce both position and velocity, but an analysis of the space indicates that we can recover the direction of velocity very well, the magnitude of velocity less well, and that location estimation is the least accurate. Based on the characteristics of the solution space, we suggest a method for improving positioning accuracy.
Original languageEnglish
Publication statusPublished - Feb 2006

Bibliographical note

Sponsorship: Funding for this work is received from the U.K. Engineering and Physical Sciences Research Council as part of the Equator IRC, GR-N-15986


  • ultrasound positioning


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  • Position and Velocity Recovery from Independent Ultrasonic Beacons

    McCarthy, M., Muller, H., Calway, A. & Wilson, E. R., 2006, Proceedings of the 14th European Signal Processing Conference (EUSIPCO 2006), Florence, Italy, September 4-8, 2006.

    Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

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