A mobile telecommunication network architecture for the multimedia age. - Tsuguo Kato; Tomohiro Ishihara; Masaaki Wakamoto; Masafumi Katoh; Akira Hakata; Adel Rouz (ICC, 1999)

The Concept and Model of 4 Dimensional Traffic Engineering. - Masafumi Katoh; Akihiro Okada; Tsuguo Kato (ICNS, 2006)