A Message Broadcast Model for Train-to-Train Communication Network

Liu, Pengyu; Ai, Bo; Li, Yan; Sun, Ruoyu

doi:10.1007/978-3-642-54900-7_49

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…These phenomena directly motivate the researchers to concentrate more on various systems for railway safety. The mainstream technique of railway safety in China is the Chinese Train Control System Level 3 (CTCS-3) based on the Global System for Mobile Communication for Railways (GSM-R) which acts as a radio interface to link trains with control center to exchange safety messages; this system ensures that trains are monitored by a real-time device and that they operate at a certain safe distance from each other [1].…”

Section: Introductionmentioning

confidence: 99%

A Novel Train-to-Train Communication Model Design Based on Multihop in High-Speed Railway

Liu

Zhang

et al. 2012

International Journal of Antennas and Propagation

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Railway telematics applications are currently attracting attention and are under intense research. Reliable railway telematics applications increasingly tend to require a subsidiary means to help existent control system make train operation safer and more efficient. Since 2006, train-to-train communication has been studied to respond to such requirements. A key characteristic of train-to-train communication is that operation control to avoid possible accidents is conducted among trains without help of a base station. This paper proposes a novel train-to-train communication model in a physical layer based on multihop and cooperation, taking a high-speed railway propagation channel into account. The mechanism of this model lies in the idea that a source train uses trains on other tracks as relays to transmit signals to destination train on the same track. Based on occurrence of these potential relays, such mechanism can be divided into three cases. In each case, BER is applied to evaluate properties of the proposed communication model. Simulation results show that BER of the train-to-train communication model decreases to10−6when SNR is 10 dB and that the minimum receiving voltage of this model is −84 dBm, which is 8 dBm lower than the standards established by the International Union of Railways (UIC) in a high-speed railway scenario.

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Section: Introductionmentioning

confidence: 99%

A Novel Train-to-Train Communication Model Design Based on Multihop in High-Speed Railway

Liu

Zhang

et al. 2012

International Journal of Antennas and Propagation

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Direct train‐to‐train communications at low UHF frequencies

Lehner

Strang

Unterhuber

2018

IET Microwaves, Antennas & Propagation

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Fundamental modernisation of railway transportation is on the agenda of the next generation train project funded by the German Aerospace Center DLR as well as the Roll2Rail project within the Shift2Rail initiative. Reliable direct train‐to‐train (T2T) communication can significantly enhance train control and signalling towards semi‐ or fully autonomous operation, in order to significantly increase the efficiency and safety. With terrestrial trunked radio a communication standard is available with high potential for this use‐case. It offers the ability of direct communications between vehicles, i.e. ad hoc communications over several kilometres. The authors summarise the results of T2T measurements conducted at 450 MHz. The authors will characterise the propagation conditions and assess the link performance by analysing transmissions in different scenarios and railway environments.

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