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Electromagnetic time-reversal positioning of a single user in a street canyon scenario

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  • M. Javad Zakeri
  • Sajjad Sadeghi

Abstract

We propose a low-complexity time-reversal (TR) positioning scheme that exploits multipath through spatio-temporal beamforming. Replacing the conventional free-space Green's function with a propagation Green's function - obtained from the spatial-spectrum expansion of a source embedded in a multilayered medium - captures wall effects and boosts positioning accuracy, resolution, and signal-to-clutter ratio without relying on GNSS. We validate the approach in a street-canyon measurement campaign, tracking a single user along both line-of-sight and non-line-of-sight paths. Data were collected with a switched-array MIMO channel sounder operating at 28 GHz, confirming the method's enhanced precision under realistic urban conditions.

Suggested Citation

  • M. Javad Zakeri & Sajjad Sadeghi, 2025. "Electromagnetic time-reversal positioning of a single user in a street canyon scenario," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 39(13), pages 1600-1618, September.
    • Handle: RePEc:taf:tewaxx:v:39:y:2025:i:13:p:1600-1618
    DOI: 10.1080/09205071.2025.2524399
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