• Title/Summary/Keyword: Railway Wireless Network

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Development of Integrated Wireless Network for Railway (철도전용 통합무선망 개발)

  • Song, Yongsoo;Kim, Yong-Kyu;Baek, Jong-Hyen
    • Journal of the Korean Society for Railway
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    • v.16 no.6
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    • pp.551-557
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    • 2013
  • This research aims to conduct a study on the feasibility of the LTE communication method for developing a dedicated integrated railway wireless network. An empirical analysis was carried out by establishing a dedicated integrated railway wireless network in an approximately 12km section between Illo station and Daebul station on the Honam line. Korean wireless communication methods for railway safety are different depending on each line, which makes it difficult for railway workers to cooperate with. This causes various problems. There is the ever-present risk of accidents due to call disconnection between wireless communication systems, frequency interference from commercial networks, and crosstalk. This study verified the feasibility of the 4th generation communication system, LTE, over the dedicated integrated railway wireless network as a solution for the above mentioned problems. The result shows this communication system exceeded existing performance standards of Europe GSM-R in every test item despite the location constraint of train tracks on the base station establishment.

A Study on Integration Scheme of Wireless Communications in Railway Wireless Network (철도 무선통신망 연동 방안 연구)

  • Cho, Woong;Choi, Hyun-Kyun;Cho, Han-Byeog
    • The Journal of the Korea institute of electronic communication sciences
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    • v.10 no.6
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    • pp.659-664
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    • 2015
  • The current railway wireless network uses various communication scheme depending on the section of railway. Therefore, in the train, it is required a specific communication device for the corresponding communication scheme to communicate and exchange data with the control center. To enhance data rate and support various services, LTE-R scheme has been developed for the next generation railway communications. To use both the existing communication and LTE-R schemes, it is required an integration method for encompassing all communication schemes. In this paper, we overview existing railway communications and LTE-R scheme. Then, we develop a network integration method which can be applied by using one terminal in the train. In addition, implementation issues for the integration are also considered.

Evaluation for the Introduction Impact of an Integrated Railway Wireless Network : A Case Study of the Wonju-Gangneung Rail Line (철도통합무선통신망 도입효과의 평가 -원주-강릉구간에 대한 사례를 중심으로-)

  • Cho, Hanbyeog;Jang, Jeong Ah;Jo, Chang-hee;Yun, Hak-Sun
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.15 no.4
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    • pp.129-142
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    • 2016
  • 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.

A study of network mobility for internet service in railway system (철도에서 네트워크 이동성 적용 방안)

  • Cho, B.K.
    • Proceedings of the KIEE Conference
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    • pp.255-257
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    • 2004
  • The study for ubiquitous computing infra is proceeding actively, it make possible to use service and access network anywhere, anytime because of wire/wireless communication technology and progress of hardware. Domestically, study for the network mobility support technology which is the key technology for future ubiquitous computing realization have progressed, but that is insufficient. Especially, there is no study for independent mobility support study about railway wireless network. So, this study propose network mobility management technology for mobile network infra in railway and proper network model in train.

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A study of network mobility for internet service in railway system (철도에서 무선 네트워크 이동성 적용기술 연구)

  • Cho B. K.
    • Proceedings of the KSR Conference
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    • pp.1223-1228
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    • 2004
  • The study for ubiquitous computing infra is proceeding actively, it make possible to use service and access network anywhere, anytime because of wire/wireless communication technology and progress of hardware. Domestically, study for the network mobility support technology which is the key technology for future ubiquitous computing realization have progressed, but that is insufficient. Especially, there is no study for independent mobility support study about railway wireless network. So, this study propose network mobility management technology for mobile network infra in railway and proper network model in train.

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A study of network mobility for internet service in railway system (열차에서 이동네트워크 적용 방안)

  • Cho, Bong-Kwan;Jung, Jae-Il
    • Proceedings of the KIEE Conference
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    • pp.241-243
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    • 2005
  • The study for ubiquitous computing infra is proceeding actively, it make possible to use service and access network anywhere, anytime because of wire/wireless communication technology and progress of hardware. Domestically, study for the network mobility support technology which is the key technology for future ubiquitous computing realization have progressed, but that is insufficient. Especially, there is no study for independent mobility support study about railway wireless network. So, this study propose network mobility management technology for mobile network infra in railway and proper network model in train.

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The Investigation of the Configuration of Wireless Communication Network for Railway Application of Multimedia Information Service (열차에의 멀티미디어 정보서비스 제공을 위한 무선통신네트워크 구성에 대한 검토)

  • Choi, Kyu-Hyoung;Cho, Bong-Kwan
    • Proceedings of the KIEE Conference
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    • pp.233-234
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    • 2004
  • The study for ubiquitous computing infra is proceeding actively, it make possible to use service and access network anywhere, anytime because of wire/wireless communication technology and progress of hardware. Domestically, study for the network mobility support technology which is the key technology for future ubiquitous computing realization have progressed, but that is Insufficient. Especially, there is no study for independent mobility support study about railway wireless network. So, this study propose network mobility management technology for mobile network infra in railway and proper network model in train.

  • PDF

A study of network mobility for internet service in railway system (철도차량에서의 이동네트워크 적용 방안)

  • Cho, Bong-Kwan;Ryu, Sang-Hwan;Kim, Dong-Hee
    • Proceedings of the KIEE Conference
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    • pp.1562-1564
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    • 2005
  • The study for ubiquitous computing infra is proceeding actively, it make possible to use service and access network anywhere, anytime because of wire/wireless communication technology and progress of hardware. Domestically, study for the network mobility support technology which is the key technology for future ubiquitous computing realization have progressed, but that is insufficient. Especially, there is no study for independent mobility support study about railway wireless network. So, this study propose network mobility management technology for mobile network infra in railway and proper network model in train.

  • PDF

Optimization of LTE-R Network using 2.6GHz Test Frequency in Daebul Test Line (2.6GHz 시험주파수를 이용한 대불선 시험선에서의 LTE-R 망 최적화)

  • KWAK, Woo-Hyun;KIM, Yong-Kyu
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.64 no.9
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    • pp.1398-1405
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    • 2015
  • Domestic railway communication in Korea has been introduced for mutual communications among control center, operation staffs, and maintenance staffs. It has been mainly used as railway disaster and safety functions from VHF and UHF from 1980’s and TRS-Astro and TRS-Tetra from the 2000’s. Recently for urban railways communications, 18GHz and 2.4GHz ranges have been utilized for image transmissions and control command communications, respectively. This paper analyzes technical development of LTE-R, LTE communication for Railways, that has been designed as a single integrated railway wireless network in order to merge the current various communication systems. In this paper, we present the details of the examination of the LTE-R test-bed using 2.6GHz test frequency in Daebul test line through CW test and optimization test.

Railway Communication Policy Proposal for Interoperability Implementation of Railroad Line on North-South Korean Railway (남북철도 선로분야 상호운영성 구축를 위한 철도통신정책 제안)

  • Park, Eun-Kyung
    • The Journal of the Korea institute of electronic communication sciences
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    • v.14 no.5
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    • pp.797-804
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    • 2019
  • The two Koreas agreed to pursue rail and road connections on September 19, 2018 in the Pyongyang Joint Declaration. In December 2018, they launched a joint investigation for the North Korean railway modernization project. The survey confirmed that the track condition is seriously aging so that it is impossible to operate, and the railway network is well connected to major cities. Therefore, it was reasonable to modernize the aging track of the existing railway network rather than construct a new railway network. This paper proposed the railway communication policy for the improvement of railway lines and the construction of the railway wireless network by analyzing the status of roadbeds and tracks in order to enhance interoperability for the inter-Korean railway connection and safety for preventing the railway accidents.