A signal control system by optical LAN and design simplification. - Jun Nishiyama; Hiroyuki Sugahara; Tetsuya Okada; Takashi Kunifuji; Yamato Fukuta; Masayuki Matsumoto (SMC, 2007)

A Railway Signal Control System by Optical LAN and Design Simplification. - Takashi Kunifuji; Jun Nishiyama; Hiroyuki Sugahara; Tetsuya Okada; Yamato Fukuta; Masayuki Matsumoto (J. Networks, 2008)