Highly integrated RF frontend module for high SHF wide-band massive MIMO in 5G, and switching-mode amplifiers beyond 4G. - Shintaro Shinjo; Keigo Nakatani; Jun Kamioka; Ryota Komaru; Shuichi Sakata; Takanobu Fujiwara; Hideyuki Nakamizo; Koji Yamanaka (VLSI-DAT, 2017)

Overview and Prospects of High Power Amplifier Technology Trend for 5G and beyond 5G Base Stations. - Koji Yamanaka; Shintaro Shinjo; Yuji Komatsuzaki; Shuichi Sakata; Keigo Nakatani; Yutaro Yamaguchi 002 (IEICE Trans. Electron., 2021)