Scattered Pilot Assisted Channel Estimation for IFDMA Uplink. - Takeo Yamasaki; Osamu Takyu; Yohtaro Umeda (IEICE Trans. Commun., 2009)

Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication. - Takeo Yamasaki; Osamu Takyu; Koichi Adachi; Yohtaro Umeda; Masao Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Fundamental study on adaptive ACK link control for downloading based on TCP connection in mobile wireless communication. - Osamu Takyu; Yohsuke Seki; Takeo Yamasaki; Takeo Fujii; Yohtaro Umeda; Xiaoqiu Wang; Satoshi Konishi (PIMRC, 2011)