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Optical Engineering

High data rate ground-to-train free-space optical communication system
Author(s): Hideki Urabe; Shinichiro Haruyama; Tomohiro Shogenji; Shoichi Ishikawa; Masato Hiruta; Fumio Teraoka; Tetsuya Arita; Hiroshi Matsubara; Shingo Nakagawa
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Paper Abstract

We developed a new technology that does the acquisition, stable tracking, and fast handover for free space optical links to high-speed 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.

Paper Details

Date Published: 30 March 2012
PDF: 10 pages
Opt. Eng. 51(3) 031204 doi: 10.1117/1.OE.51.3.031204
Published in: Optical Engineering Volume 51, Issue 3
Show Author Affiliations
Hideki Urabe, Keio Univ. (Japan)
Shinichiro Haruyama, Keio Univ. (Japan)
Tomohiro Shogenji, Keio Univ. (Japan)
Shoichi Ishikawa, Keio Univ. (Japan)
Masato Hiruta, Keio Univ. (Japan)
Fumio Teraoka, Keio Univ. (Japan)
Tetsuya Arita, Keio Univ. (Japan)
Hiroshi Matsubara, Railway Technical Research Institute (Japan)
Shingo Nakagawa, Railway Technical Research Institute (Japan)


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