On-board wireless telecommunications in railways operate in a challenging environment including rapidly fading radio channels and various sources of statistically variable interference. These conditions hamper seamless, high-rate data transmission by making fast handovers to ground base stations difficult. This paper addresses networking techniques wireless communication in trains by presenting a technical overview of wireless communications options and reporting field experiments using Flash-orthogonal frequency division modulation (OFDM) technology. The research is based on in vivo measurements recorded in high-speed Pendolino-trains in Finland. The results indicate that Flash-OFDM technology fulfils the coverage and service accessibility requirements for high-rate interactive multi-media services with respect to latency and data rate provided that loading of the Flash-OFDM network due to other users remains low.


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    Title :

    Wireless telecommunications in railways - Flash-orthogonal frequency division modulation - A case study


    Additional title:

    Drahtlose Kommunikation bei der Eisenbahn - Flash-OFDM, eine Fallstudie


    Contributors:


    Publication date :

    2008


    Size :

    8 Seiten, 17 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Wireless telecommunications in railways - Flash-orthogonal frequency division modulation - a case study

    Vaaramaki, T. / Korhonen, T. / Mutafungwa, E. | British Library Online Contents | 2008


    Wireless telecommunications in railways — Flash-orthogonal frequency division modulation — a case study

    Väärämäki, T / Korhonen, T / Mutafungwa, E | SAGE Publications | 2008



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