New Virtual Sub-Carrier Allocation Method for CI Multiplexed Channel Estimation Signals on MIMO-OFDMA. - Hideo Namba; Shimpei Toh; Yasuhiro Hamaguchi; Minoru Kubota (PIMRC, 2007)

A spectrum-overlapped resource management in dynamic spectrum control technique. - Kazunari Yokomakura; Shimpei Toh; Yasuhiro Hamaguchi; Minoru Kubota; Shinsuke Ibi; Seiichi Sampei (PIMRC, 2008)

A linear beamforming scheme for multi-user MIMO AF two-phase two-way relaying. - Shimpei Toh; Dirk T. M. Slock (PIMRC, 2009)