High data rate ground-to-train free-space optical communication system

Hideki Urabe, Shinichiro Haruyama, Tomohiro Shogenji, Shoichi Ishikawa, Masato Hiruta, Fumio Teraoka, Tetsuya Arita, Hiroshi Matsubara, Shingo Nakagawa

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


We developed a new technology that does the acquisition, stable tracking, and fast handover for free space optical links to highspeed trains. Our prototype provided a stable communication link between a train and the ground at a data rate near 1 Gb/s with a handover time on the order of 100 ms.

Original languageEnglish
Article number031204
JournalOptical Engineering
Issue number3
Publication statusPublished - 2012 Mar


  • Free-space optical communication
  • Handover
  • Tracking
  • Train communication

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Engineering


Dive into the research topics of 'High data rate ground-to-train free-space optical communication system'. Together they form a unique fingerprint.

Cite this