Partial-response decoding of rate 1/2 modulation codes for digital storage. - Jan W. M. Bergmans; Seiichi Mita; Morishi Izumita; Nobukazu Doi (IEEE Trans. Commun., 1991)

DS/CDMA prototype system transmitting low bit-rate voice and high bit-rate ISDN signals. - Nobukazu Doi; Takashi Yano; Naoya Kobayashi (VTC, 1994)

A study on the accuracy of a CDMA-based location system. - Koji Watanabe; Mikio Kuwahara; Atsushi Ogino; Katsuhiko Tsunehara; Hideya Suzuki; Nobukazu Doi (VTC Spring, 2002)

Experiments of long distance wireless communication on spread spectrum. - Tomohiro Arakawa; Yusuke Nagahama; Nobukazu Doi (IWSDA, 2013)

Complexity Reduced Carrier Recovery Using Spread Spectrum for Low CNR Environment. - Tomohiro Arakawa; Nobukazu Doi (SiPS, 2016)