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http://dx.doi.org/10.12815/kits.2016.15.4.129

Evaluation for the Introduction Impact of an Integrated Railway Wireless Network : A Case Study of the Wonju-Gangneung Rail Line  

Cho, Hanbyeog (Electrics and Telecommunications Research Institute)
Jang, Jeong Ah (Ajou University)
Jo, Chang-hee (Ajou University)
Yun, Hak-Sun (Korea Rail Network Authority)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.15, no.4, 2016 , pp. 129-142 More about this Journal
Abstract
This study performs an evaluation, using the economic feasibility analysis method, of the LTE based railway wireless networks (LTE-R) service that is planned to be used for the future railway networks in Korea. Its objectives are using the evaluation results and working to reflect the factors that lead to a maximization of benefits in designing an integrated railway wireless network. This study analyzes the impact of implementing an LTE-R on the railway networks, in contrast to the existing wireless network methods, e.g. VHR and TRS to new rail lines on an economic view. This results found that the benefit cost ratio is greater than 1.0 with a 10% contribution to benefits of the wireless network service in the case study on the Wonju-Gangneung rail line that will start operations in 2018; as a result, an ICT design is desired. For the introduction of an LTE-R service for the Wonju-Gangneung rail line, design specifications need to increase to benefits for each service, which will verify actual contributions and therefore result in an overall economic effect.
Keywords
Railway Wireless Network; LTE-R; Economic Effect; BCR(Benefit Cost Ratio); Economic Analysis;
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