A High Prformance Switch for OC-12 SONET Self-Healing Ring Networks. - Masahiro Takatori; Yukio Nakano; Yoshihiro Ashi; Hiroyuki Fujita; Masao Mizukami; Kunihiro Itoh (IEEE J. Sel. Areas Commun., 1996)

A Development of Circuit Emulation System on TDM over Ethernet Comprising OAM and Protection Function. - Akihiko Tanaka; Atsushi Iwamura; Masahiko Mizutani; Yoshihiro Ashi (IEICE Trans. Commun., 2006)

High-Definition IPTV Broadcasting Architecture Over Gigabit-Capable Passive Optical Network. - Hiroki Ikeda; Jun Sugawa; Yoshihiro Ashi; Kenichi Sakamoto (GLOBECOM, 2007)

Architecture and Design of IP Broadcasting System Using Passive Optical Network. - Hiroki Ikeda; Jun Sugawa; Yoshihiro Ashi; Kenichi Sakamoto (IEICE Trans. Commun., 2008)

Service-Transport Separated Network Architecture Using MPLS-TP Technologies. - Kenichi Sakamoto; Yoshihiro Ashi; Akihiko Takase (IEICE Trans. Commun., 2012)