Performance of Base Stations in Railway Digital Radio Communication Networks
https://doi.org/10.30932/1992-3252-2021-19-2-6
Abstract
Base station (BS) is a terminal device of a radio communication network, while railway radio communications play an important role in ensuring safety of passenger and cargo transportation.
A proposed method for calculating the performance of base stations in railway digital radio communication networks is intended to calculate for the BS the probabilities of being in certain state.
BS was decomposed and such functional elements as circuit groups and a radio frequency path were identified, as well as the central module ensuring the exchange of information with elements of this BS and with other BSs. A detailed study of each element has increased accuracy of the proposed method. Following the Markov model, BS is presented as a system in which all possible states are considered. Models for BS with two and three circuit groups have been constructed. The parameters of each functional element of the model can be obtained through observation over a certain period. The solution of the system of equations for each of the models presented in the article will allow obtaining the values of the system being in a certain state. The obtained characteristics can be used to calculate the reliability of the entire radio communication network, and then to assess quality of service provided to the users of this network.
Conclusions are made about the possibilities of using the obtained models when designing new railway communication networks and when calculating quality indices of existing ones. The proposed models can be applied not only to railway radio communication networks but also to mobile communication networks of commercial operators.
About the Authors
Yu. V. Nemtsov
Russian University of Transport
Russian Federation
Russian Federation
Ph.D. student at the Department of Quality Management,
Moscow
I. V. Seryogin
Russian University of Transport
Russian Federation
Russian Federation
Ph.D. student at the Department of Operations Management and Transport Safety,
Moscow
P. I. Volnov
Russian University of Transport
Russian Federation
Russian Federation
Ph.D. student at the Department of Railway Stations and Transport Hubs,
Moscow
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Review
For citations:
Nemtsov Yu.V., Seryogin I.V., Volnov P.I. Performance of Base Stations in Railway Digital Radio Communication Networks. World of Transport and Transportation. 2021;19(2):41-48. https://doi.org/10.30932/1992-3252-2021-19-2-6
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