A new VoIP call admission control scheme with use of alternate routing for low call loss probability. - Takashi Ezaki; Hirotada Kawakami; Koichi Asatani (ICC, 2004)

A Forward-Backward Optical Wavelength Path Establishment Scheme with Low Blocking Probability in WDM Networks. - Shinsuke Nagai; Hirotada Kawakami; Saneyasu Yamaguchi; Koichi Asatani (ICC, 2007)