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Propagation in road tunnels: a statistical analysis of the field distribution and impact of the traffic

Propagation libre en tunnel routier : Analyse statistique de la distribution du champ et influence du trafic

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Abstract

This paper presents a narrowband statistical analysis of the field distribution inside a road tunnel. Both fixed and mobile antennas are situated inside the tunnel and the transmitting frequency is 2.1 GHz. A theoretical propagation model based on the image theory is first used and the results are then compared to those obtained from experiments carried out either in an empty tunnel or in presence of traffic.

Résumé

Cet article présente une analyse en bande étroite de la distribution du champ dans un tunnel routier. Les antennes mobiles et fixes sont toutes deux situées à l’intérieur du tunnel et l’étude est menée pour une fréquence porteuse de 2,1 GHz. Un modèle de propagation basé sur la théorie des images est d’abord utilisé et les résultats sont ensuite confrontés à ceux issus de diverses campagnes de mesures effectuées soit dans un tunnel vide soit en présence d’un trafic routier important.

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Authors and Affiliations

  1. Lab. Radiopropagation, Université des Sciences et Technologies de Lille, Bat. P3, 59655, Villeneuve d’Ascq cedex, France

    Martine Liénard, Samuel Bétrencourt & Pierre Degauque

Authors
  1. Martine Liénard
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  2. Samuel Bétrencourt
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  3. Pierre Degauque
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Correspondence to Martine Liénard.

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Liénard, M., Bétrencourt, S. & Degauque, P. Propagation in road tunnels: a statistical analysis of the field distribution and impact of the traffic. Ann. Télécommun. 55, 623–631 (2000). https://doi.org/10.1007/BF02999833

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  • DOI: https://doi.org/10.1007/BF02999833

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