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Comptes Rendus Physique
Volume 16, n° 9
pages 862-873 (novembre 2015)
Doi : 10.1016/j.crhy.2015.10.006
Overview of mobile localization techniques and performances of a novel fingerprinting-based method
Aperçu des techniques de localisation de mobiles et performances d'une nouvelle méthode basée sur l'identification d'empreintes
 

Isabelle Vin, Davy P. Gaillot, Pierre Laly, Martine Liénard , Pierre Degauque
 Lab IEMN/TELICE, University of Lille 1, 59655 Villeneuve d'Ascq cedex, France 

Corresponding author.
Abstract

Mobile localization techniques in outdoor environment have been widely studied. In this paper, we consider a specific application related to search and rescue activities or electronic surveillance in urban areas. In this case, the localization must be of high accuracy, on the order of 10 m, despite other constraints related, among others, to non-line-of-sight conditions and non-cooperation with other nearby mobiles or cellular base stations. A brief survey of RF-based localization techniques shows that none of them fully satisfy the desired specifications. A novel approach combining fingerprinting and polarization diversity is then described, its performance being assessed from on-site measurements.

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Résumé

Dans cet article, on envisage une application spécifique des techniques de localisation radiofréquences pour la surveillance ou la recherche de personnes en environnement urbain. La localisation doit être faite avec une précision importante, de l'ordre de 10 m, en dépit de contraintes liées aux conditions de non-visibilité directe et de non-coopération avec d'autres mobiles. Une revue de l'état de l'art des techniques de localisation montrant qu'aucune d'entre elles ne satisfaisait les spécifications souhaitées, une approche innovante, combinant identification d'empreintes et diversité de polarisation, est proposée. Les performances sont évaluées à partir de simulations et de mesures in situ.

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Keywords : Localization, Fingerprinting, Polarization diversity, Non-cooperative mode, Multipath component distance, Non-line-of-sight

Mots-clés : Localisation, Identification d'empreinte, Diversité de polarisation, Mode non coopératif, Multipath component distance , Non-visibilité directe




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