Improved common correlation matrix based SMI algorithm by channel estimation error minimization with LMS approach. - Takashi Akao; Satoshi Taroda; Kazuki Maruta; Chang-Jun Ahn (WPMC, 2017)

Transmit power imbalance reduction method and nonlinear companding transform for beamforming OFDM systems. - Satoshi Taroda; Ken Tezuka; Shoichi Higuchi; Chang-Jun Ahn; Kazuki Maruta (ICT Express, 2019)