A Filter Design Method of Direct RF Undersampling On-Board Receiver for Ka-Band HTS. - Tomoyuki Furuichi; Yang Gui; Mizuki Motoyoshi; Suguru Kameda; Takashi Shiba; Noriharu Suematsu (IEICE Trans. Commun., 2020)

A Spectrum Regeneration and Demodulation Method for Multiple Direct Undersampled Real Signals. - Takashi Shiba; Tomoyuki Furuichi; Mizuki Motoyoshi; Suguru Kameda; Noriharu Suematsu (IEICE Trans. Commun., 2021)

A 60 GHz-band S/H CMOS IC for Direct RF Undersampling Receiver. - Tomoyuki Furuichi; Nagahiro Yoshino; Mizuki Motoyoshi; Suguru Kameda; Noriharu Suematsu (RWS, 2022)

RF Signal Frequency Identification in a Direct RF Undersampling Multi-Band Real-Time Spectrum Monitor for Wireless IoT Usage. - Tomoyuki Furuichi; Mizuki Motoyoshi; Suguru Kameda; Takashi Shiba; Noriharu Suematsu (IEICE Trans. Commun., 2022)

Millimeter-Wave Band Coverage Extension by Reducing Noise Figure at Cryogenic Temperatures. - Yasunori Suzuki; Tomoyuki Furuichi; Noriharu Suematsu (APCC, 2023)

A 2-D Beam Scanning Array Antenna Fed by a Compact 16-Way 2-D Beamforming Network in Broadside Coupled Stripline. - Jean Temga; Tomoyuki Furuichi; Takashi Shiba; Noriharu Suematsu (IEICE Trans. Commun., 2023)

1-D and 2-D Beam Steering Arrays Antennas Fed by a Compact Beamforming Network for Millimeter-Wave Communication. - Jean Temga; Koki Edamatsu; Tomoyuki Furuichi; Mizuki Motoyoshi; Takashi Shiba; Noriharu Suematsu (IEICE Trans. Commun., 2023)

Improvement in EVM by Cryogenically Cooled Technique for Millimeter Wave Band Receiving Amplifiers. - Yasunori Suzuki; Tomoyuki Furuichi; Noriharu Suematsu (APCC, 2024)

Proposal of Channel Model Measurement Method Under Local 5G System Operation. - Takashi Shiba; Tomoyuki Furuichi; Gustavo Pedroso Cainelli; Sven Müller; Bodo Gambal; Nils Kranefeld; Fumiko Ohori; Toru Osuga; Giuliano Persico; Lisa Underberg; Satoko Itaya; Noriharu Suematsu (APWCS, 2024)