Journal of Physics: Conference Series

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Journal of Physics: Conference Series
PAPER • 
OPEN ACCESS
On the assessment of the reliability of the train
radio communication channel
To cite this article: D N Roenkov and P A Plekhanov 2021 
J. Phys.: Conf. Ser. 2131 042096
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Published under licence by IOP Publishing Ltd
Intelligent Information Technology and Mathematical Modeling 2021 (IITMM 2021)
Journal of Physics: Conference Series
2131 (2021) 042096
IOP Publishing
doi:10.1088/1742-6596/2131/4/042096
1
On the assessment of the reliability of the train radio 
communication channel 
 
D N Roenkov 
*
 and P A Plekhanov
Emperor Alexander I St. Petersburg State Transport University, 9 Moskovskiy ave, St. 
Petersburg, 190031, Russia 
E-mail: [e-mail] 
Abstract. The research purposeis to develop an approach to assessing the reliability of a train 
radio communication channel based on the representation of a radio communication network in 
the form of a model that includes both traditional elements (various types of equipment, a wire 
channel) and a radio channel, which is proposed to be described by the availability of radio 
coverage, which varies depending on the location of the mobile subscriber. In the research 
methods of the theory of reliability, and, in particular, the assessment of the availability factor 
of the elements of the radio communication system and communication channels, dynamically 
changing during the movement of the mobile radio station. In addition, to assess the energy of 
radio channels, the theory of radio wave propagation was applied, including on the basis of 
industry recommendations for calculating radio communication networks of JSC Russian 
Railways. As result of the research, a method was proposed for assessing the dependence of the 
reliability of a train radio communication channel (in terms of readiness) on the track 
coordinate. In this case, the radio communication channel dynamically changes the 
composition of the elements when the mobile subscriber moves along the railway section. 
Simultaneously, for each point of the section, the calculation formula is also dynamically 
changed, which makes it possible to find the value of the readiness of the communication 
channel. The proposed approach allows to identify the sections of technological radio 
communication networks that are weakest from the point of view of communication reliability 
and take this information into account when planning work to improve the reliability of 
communication networks.