MOFETA: a network architecture based on MObile FEmtocells to enhance cellular connectivity on trains

Authors:
Patricia Noriega-Vivas;Celeste Campo;Carlos Garcia-Rubio;Alicia Rodriguez-Carrion
Affiliations:
Department of Telematic Engineering, University Carlos III of Madrid, Spain;Department of Telematic Engineering, University Carlos III of Madrid, Spain;Department of Telematic Engineering, University Carlos III of Madrid, Spain;Department of Telematic Engineering, University Carlos III of Madrid, Spain
Venue:
Nets4Cars/Nets4Trains'12 Proceedings of the 4th international conference on Communication Technologies for Vehicles
Year:
2012

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Abstract

Nowadays the quality of the indoor coverage on trains is not enough to offer broadband services, mainly due to two factors: the high penetration losses caused by Faraday cage characteristics of the railcars and the high speeds reached. In this paper we aim to enhance the 3G indoor coverage on trains by setting up femtocells inside the railcars and establishing several wireless interfaces along the roof of the train. We design an architecture to connect the train to the fixed network in a transparent manner, so that the end users do not experience service disruptions during the journey. Finally, we deploy a testbed to evaluate the performance of the mobility management system based on test results.