Development of broadband telecommunication system for railways using laser technology

Kazuki Nakamura, Shingo Nakagawa, Hiroshi Matsubara, Daisuke Tatsui, Kiyotaka Seki, Shinichiro Haruyama, Fumio Teraoka

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We developed a high-speed telecommunication system applicable to railways, to improve customer service and efficiency of operator's telecommunication between the ground facilities and trains under operations. We manufactured a mobile telecommunication system, capable of recording the transfer rate of 1Gbps in theory by applying the laser beam communication technology. We carried out a field test using trains in active service, and obtained the result of the transfer rate of approximately 700Mbps on the TCP layer between the ground and the train running at a speed of approximately 130km/h.

Original languageEnglish
Pages (from-to)666-674
Number of pages9
JournalIEEJ Transactions on Electronics, Information and Systems
Issue number5
Publication statusPublished - 2012


  • Broadband telecommunication system
  • Handover
  • Laser beam tracking method
  • Mobile telecommunication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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