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Mobile Information Systems
Volume 2016 (2016), Article ID 7308604, 14 pages
Review Article

A Survey of Channel Measurements and Models for Current and Future Railway Communication Systems

1German Aerospace Center (DLR), Oberpfaffenhofen, 82234 Wessling, Germany
2IK4-IKERLAN, Arizmendiarrieta 2, 20500 Mondragon, Spain
3Metro de Madrid (MDM), Calle Cavanilles 58, 28007 Madrid, Spain
4Université Lille Nord de France, IFSTTAR, COSYS, 59650 Villeneuve d’Ascq, France
5Construcciones y Auxiliar de Ferrocarriles (CAF), J.M. Iturrioz 26, 20200 Beasain, Spain

Received 23 December 2015; Revised 13 June 2016; Accepted 28 June 2016

Academic Editor: Francesco Gringoli

Copyright © 2016 Paul Unterhuber et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Modern society demands cheap, more efficient, and safer public transport. These enhancements, especially an increase in efficiency and safety, are accompanied by huge amounts of data traffic that need to be handled by wireless communication systems. Hence, wireless communications inside and outside trains are key technologies to achieve these efficiency and safety goals for railway operators in a cost-efficient manner. This paper briefly describes nowadays used wireless technologies in the railway domain and points out possible directions for future wireless systems. Channel measurements and models for wireless propagation are surveyed and their suitability in railway environments is investigated. Identified gaps are pointed out and solutions to fill those gaps for wireless communication links in railway environments are proposed.