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Development of Broadband Telecommunications System for Railways Using Laser Technology
Author(s) -
Nakamura Kazuki,
Nakagawa Shingo,
Matsubara Hiroshi,
Tatsui Daisuke,
Seki Kiyotaka,
Haruyama Shinichiro,
Teraoka Fumio
Publication year - 2015
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.22445
Subject(s) - train , broadband , telecommunications , transfer (computing) , broadband networks , engineering , laser , communications system , telecommunications equipment , electrical engineering , computer science , geography , physics , optics , cartography , parallel computing
SUMMARY We developed a high‐speed telecommunication system for use on railways to improve customer service and the efficiency of operator's telecommunications between ground facilities and trains under operation. We built a mobile telecommunication system, capable of achieving a transfer rate of 1 Gbps in theory, by utilizing laser beam communications technology. We carried out a field test using trains in active service, and obtained results in which a transfer rate of approximately 700 Mbps in the TCP layer was achieved between the ground and a train running at a speed of approximately 130 km/h .

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