Downlink beamforming performance for an SDMA terminal with joint detection. - Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Yoshiharu Doi; Jun Kitakado (VTC Fall, 2001)

The SDMA/TDD base station for PHS mobile communication. - Yoshiharu Doi; Tadayoshi Ito; Jun Kitakado; Takeo Miyata; Seigo Nakao; Takeo Ohgane; Yasutaka Ogawa (VTC Spring, 2002)