Millimeter-Wave High-Power MMIC Switch with Multiple FET Resonators. - Masatake Hangai; Tamotsu Nishino; Morishige Hieda; Kunihiro Endo; Moriyasu Miyazaki (IEICE Trans. Electron., 2007)

Micromachined RF Devices for Concurrent Integration on Dielectric-Air-Metal Structures. - Tamotsu Nishino; Masatake Hangai; Yukihisa Yoshida; Sang-Seok Lee (IEICE Trans. Electron., 2010)

High-Power Protection Switch Using Stub/Line Selectable Circuits. - Masatake Hangai; Kazuhiko Nakahara; Mamiko Yamaguchi; Morishige Hieda (IEICE Trans. Electron., 2011)

High-Power GaN HEMT T/R Switch Using Asymmetric Series-Shunt/Shunt Configuration. - Masatake Hangai; Yukinobu Tarui; Yoshitaka Kamo; Morishige Hieda; Masatoshi Nakayama (IEICE Trans. Electron., 2011)

Ka-Band GaN Large-Signal Model Considering Trap Effect on Nonlinear Capacitance by Using Transient S-Parameters Measurement. - Yutaro Yamaguchi 002; Tomohiro Otsuka; Masatake Hangai; Shintaro Shinjo; Toshiyuki Oishi (BCICTS, 2018)

A Ka-Band CW 15.5W 15.6% Fractional Bandwidth GaN Power Amplifier MMIC Using Wideband BPF Inter-stage Matching Network. - Keigo Nakatani; Yutaro Yamaguchi 002; Masatake Hangai; Shintaro Shinjo (BCICTS, 2019)

GaN Amplifiers of Selectable Output Power Function with Semi-Custom Matching Networks. - Yutaro Yamaguchi 002; Masatake Hangai; Shintaro Shinjo; Takaaki Yoshioka; Naoki Kosaka (IEICE Trans. Electron., 2019)

X-Band GaN Chipsets for Cost-Effective 20W T/R Modules. - Jun Kamioka; Yoshifumi Kawamura; Ryota Komaru; Masatake Hangai; Yoshitaka Kamo; Tetsuo Kodera; Shintaro Shinjo (IEICE Trans. Electron., 2022)

A Deep Reinforcement Learning-Based Dynamic Traffic Offloading in Space-Air-Ground Integrated Networks (SAGIN). - Fengxiao Tang; Hans Hofner; Nei Kato; Kazuma Kaneko; Yasutaka Yamashita; Masatake Hangai (IEEE J. Sel. Areas Commun., 2022)

Improvement of Battery Lifetime Based on Communication Resource Control in Low-Earth-Orbit Satellite Constellations. - Hikaru Tsuchida 002; Yuichi Kawamoto; Nei Kato; Kazuma Kaneko; Shigenori Tani; Masatake Hangai; Hiroshi Aruga (IEEE Trans. Emerg. Top. Comput., 2022)

HAPS-Based Interference Suppression Through Null Broadening With Directivity Control in Space-Air-Ground Integrated Networks. - Yuichi Kawamoto; Akinori Matsushita; Shikhar Verma; Nei Kato; Kazuma Kaneko; Ayaka Sata; Masatake Hangai (IEEE Trans. Veh. Technol., 2023)