Diversity Improvement of Voice Signal Transmission Using Postdetection Selection Combining in Land Mobile Radio. - Keisuke Suwa; Isao Shimizu; Takeshi Hattori (IEEE J. Sel. Areas Commun., 1984)

Transmitter diversity characteristics in microcellular TDMA/TDD mobile radio. - Keisuke Suwa; Yasushi Kondo (PIMRC, 1992)

Received signal level characteristics for wideband radio channel in microcells. - Akira Yamaguchi; Keisuke Suwa; Ryoji Kawasaki (PIMRC, 1995)

Microcell automatic propagation measuring system with cell-site management database access and service-area evaluation. - Keisuke Suwa; Shinichi Ichitsubo; Tomoyuki Oyoshi; Ryoji Kawasaki (PIMRC, 1997)

Microcell Automatic Propagation Measuring System and Service-Area Evaluation. - Shinichi Ichitsubo; Ryuji Kawasaki; Takeshi Hattori; Keisuke Suwa; Tomoyuki Oyoshi (Wirel. Pers. Commun., 1998)