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A Study on the Implementation of an All-IP Train Communication Network Using Plastic Optical Fiber

플라스틱 광섬유를 이용한 All-IP 열차통신네트워크 구현에 관한 연구

  • Received : 2013.01.03
  • Accepted : 2013.05.01
  • Published : 2013.06.30

Abstract

Recent trains have broadband train communication networks to improve train operation safety and to provide passengers with multimedia services. Compared to glass optical fiber, plastic optical fiber (POF) has a large diameter; it also provides the good durability and maintainability necessary to railway applications. This paper suggests an All-IP broadband train communication network that connects all devices in the train through a POF interface. Performance tests according to Korean railroad standards shows that this POF interface is usable in the range of vibration and temperature conditions encountered in trains. A dedicated Layer-2 switch with the POF interface is developed for the construction of the All-IP train communication network. A prototype 1Gbps train communication network was set up in a trial-run of train on a metro line using the developed Layer-2 switch and POF. On-track tests indicated the feasibility of the POF train communication network. POF has an additional advantage of economic feasibility, and it is expected to start a trend toward broadband train communication networks using POF.

Keywords

Train;Broadband Communication network;Plastic optical fiber(POF);All-IP

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Cited by

  1. Implementation of Mobile Hot-spot Network for Subway Wireless Backhaul Network vol.18, pp.3, 2015, https://doi.org/10.7782/JKSR.2015.18.3.223
  2. Development of Communication Joint Tools for Implementing a Legacy-line Communication System in a Train vol.19, pp.4, 2015, https://doi.org/10.6109/jkiice.2015.19.4.877

Acknowledgement

Supported by : 서울과학기술대학교