Channel Ranking based Spread Code Optimization for Visible Light Communication OFDM-IDMA Systems. - Kazushi Shimada; Mitsuki Takahashi; Kazuki Maruta; Chang-Jun Ahn (APCC, 2019)

Reducing FBI and MLI Using FSS Method for Adaptive Modulated VLC-OFDM System. - Seiya Hirano; Kazushi Shimada; Shun Kojima; Kazuki Maruta; Chang-Jun Ahn (WPMC, 2020)

Optimum Assignment of Variable Code Length and Modulation Index for VLC-OFDM. - Koki Yanashita; Kazushi Shimada; Seiya Hirano; Chang-Jun Ahn (ISPACS, 2021)

Pilot De-Contamination by Modified HTRCI with Time-Domain CSI Separation for Two-Cell MIMO Downlink. - Kakeru Matsubara; Shun Kuroki; Koki Ito; Kazushi Shimada; Kazuki Maruta; Chang-Jun Ahn (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)