Direct-detection optical CDMA receiver with interference estimation and double optical hardlimiters. - Kenji Wakafuji; Tomoaki Ohtsuki (GLOBECOM, 2003)

Multibits/Sequence-Period Optical CDMA Receiver with Double Optical Hardlimiters. - Kenji Wakafuji; Tomoaki Ohtsuki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Performance analysis of multibits/sequence-period optical CDMA receiver with double optical hardlimiters. - Kenji Wakafuji; Tomoaki Ohtsuki (GLOBECOM, 2004)

Performance analysis of atmospheric optical subcarrier multiplexing systems and atmospheric optical code division multiplexing systems. - Kenji Wakafuji; Tomoaki Ohtsuki (ICC, 2004)