Carrier Synchronizer for Coherent Detection of High-Speed Four-Phase-Shift-Keyed Signals. - Heiichi Yamamoto; Kenkichi Hirade; Yoshio Watanabe (IEEE Trans. Commun., 1972)

Optimum Gaussian Filter and Deviated-Frequency-Locking Scheme for Coherent Detection of MSK. - Mitsuru Ishizuka; Kenkichi Hirade (IEEE Trans. Commun., 1980)

GMSK Modulation for Digital Mobile Radio Telephony. - Kazuaki Murota; Kenkichi Hirade (IEEE Trans. Commun., 1981)

Spectrum Efficiency of M-ary PSK Land Mobile Radio. - Hiroshi Suzuki; Kenkichi Hirade (IEEE Trans. Commun., 1982)

Design Concept of New High-Capacity Land Mobile Communication Systems. - Minoru Kuramoto; Kenkichi Hirade; Masayuki Sakamoto (ICC (3), 1984)

Guest Editorial: Portable and Mobile Communications. - Donald C. Cox; Kenkichi Hirade; Samy A. Mahmoud (IEEE J. Sel. Areas Commun., 1987)

The future of personal technologies. - David M. Frohlich; Peter Thomas; Mike Hawley; Kenkichi Hirade (Pers. Ubiquitous Comput., 1997)

Field trial results of interference cancelling equalizer (ICE) for TDMA mobile communication systems. - Hitoshi Yoshino; Kenkichi Hirade; Hiroshi Suzuki (ICC, 1999)