A primary study on location estimation system for ad-hoc networks with considering incorrect nodes. - Yoshihiro Sugaya; Masahito Okamoto; Yuta Nakano; Shinichiro Omachi (WPMC, 2012)

Subjective evaluation of packet loss recovery techniques for voice over IP. - Masahito Okamoto; Takashi Nose; Akinori Ito; Takeshi Nagano (ICAILP, 2014)