Capacity gain with an alternative LTE railway communication network

Aleksander Sniady, José Soler

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Abstract

GSM - Railways (GSM - R) is the first international communication network designed specifically for railway s. Most of the deployed GSM - R networks were initially used only to provide the railway voice communication. However, as more of these GSM - R networks begin to support the European Train Control System (ETCS) signaling , the capacity of GSM - R turns out to be insufficient . GSM - R cannot ful fill the railway requirements , in terms of the number of simultaneous ETCS connections . This is why , alternative , more efficient communication technologies should be considered by railways, such as 3GPP Long Term Evolution (LTE). T his paper describe s how to adapt the reversible multi - chain/channel queuing system to model an LTE cell serving ETCS - equipped trains . It is proposed to use the multiple user chains available in the model to represent varying bitrate in LTE radio access network. Usin g this model , LTE and GSM - R are compare d in terms of capacity on an example at Copenhagen Main Train Station . The purpose of this work is to demonstrate the benefits that railway operators and infrastructure managers can expect from the introduc tion of LTE , as a telecommunication technology for railway control signaling and additional applications
Original languageEnglish
Title of host publicationProceedings of the 7th International Workshop on Communication Technologies for Vehicles, Nets4Cars
Number of pages5
PublisherIEEE
Publication date2014
Publication statusPublished - 2014
Event7th International Workshop on Communication Technologies for Vehicles: Nets4Cars - St. Petersburg, Russian Federation
Duration: 6 Oct 20148 Oct 2014

Conference

Conference7th International Workshop on Communication Technologies for Vehicles
Country/TerritoryRussian Federation
CitySt. Petersburg
Period06/10/201408/10/2014

Keywords

  • GSM - R
  • LTE
  • ETCS
  • ERTCS
  • ERTMS
  • Railway signaling
  • Mobile communciation

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