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Train Monitoring using GSM-R Based Passive Radar

Chetty, K; Chen, Q; Woodbridge, K; (2016) Train Monitoring using GSM-R Based Passive Radar. In: Proceedings of the 2016 IEEE Radar Conference. IEEE: Philadelphia, PA, USA. Green open access

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Abstract

Train detection technologies are universal to all modern railway signal and control systems. They are essential for managing the movement of vehicles across entire transport networks, and to ensure their safe operation. In this paper we investigate the feasibility of a new train monitoring capability based on passive radar technology. The system exploits signal transmissions from the railways’ GSM-Railway (GSM-R) radio communications infrastructure, and has the potential to determine the positions and velocities of trains over any section of a railway network where there is GSM-R coverage. A theoretical ambiguity function analysis on directly measured GSM-R waveforms suggest that targets can be detected with axial range resolutions of approximately 850 m, and velocities down to less than 1 mph. To demonstrate proof-of-concept, a series of experiments were carried out using a software-defined GSM-R passive radar system. The results show the first detections of trains at bistatic ranges of just over 1 km moving at various speeds. There are now hundreds of thousands of miles of railway track covered by GSM-R globally, with many more countries planning to rollout systems nationally. The results therefore imply that GSM-R based passive radar technology could be used to develop low-cost train monitoring capabilities worldwide alongside the existing GSM-R radio communications infrastructure.

Type: Proceedings paper
Title: Train Monitoring using GSM-R Based Passive Radar
Event: 2016 IEEE Radar Conference
Location: Philadelphia, US
Dates: 02 May 2016 - 06 May 2016
ISBN-13: 978-1-5090-0863-6
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/RADAR.2016.7485069
Publisher version: http://dx.doi.org/10.1109/RADAR.2016.7485069
Language: English
Additional information: Copyright © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Rail transportation, Passive radar, Radar tracking, Insulation life, Degradation, Surveillance
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Security and Crime Science
URI: https://discovery.ucl.ac.uk/id/eprint/1492841
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