Experimental Characterization of LTE Wireless Links in High-Speed Trains
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Experimental Characterization of LTE Wireless Links in High-Speed TrainsData
2017Cita bibliográfica
Tomás Domínguez-Bolaño, José Rodríguez-Piñeiro, José A. García-Naya, Luis Castedo, "Experimental Characterization of LTE Wireless Links in High-Speed Trains", Wireless Communications and Mobile Computing, vol. 2017, Article ID 5079130, 20 pages, 2017. https://doi.org/10.1155/2017/5079130
Resumo
[Abstract]: Multimedia and data-based services experienced a nonstopping growth over the last few years. People are continuously on the move using devices to access multimedia contents or other data-based services. Due to this, railway companies are showing a great interest in deploying broadband mobile wireless networks in high-speed-trains with the aim of supporting both passenger services provisioning as well as automatic train control and signaling. Nowadays, the most widely used technology for communications between trains and the railway infrastructure is GSM for Railways (GSM-R); however, it has limited capabilities to support such advanced services. Due to its success in the mass market, Long Term Evolution (LTE) seems to be the best candidate to substitute GSM-R. In this paper, we experimentally characterize the downlink between an LTE Evolved NodeB (eNodeB) and a high-speed train in a commercial high-speed line. We consider two links: the one between the eNodeB and the antennas placed outdoors on the train roof, and the direct link between the eNodeB and a receiver inside the train. Such a characterization consists in assessing the path loss, the Signal to Noise Ratio, the -Factor, the Power Delay Profile, the delay spread, and the Doppler Power Spectral Density.
Palabras chave
Wireless Communication
LTE for railway
Railway
High-Speed Train
LTE for railway
Railway
High-Speed Train
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Dereitos
Atribución 4.0 Internacional
ISSN
1530-8669
1530-8677
1530-8677