A CMOS Full-Wave Switching Rectifier with Frequency Up-Down Conversion for 5G NR Wirelessly-Powered Relay Transceivers. - Sena Kato; Keito Yuasa; Michihiro Ide; Atsushi Shirane; Kenichi Okada 001 (ESSCIRC, 2022)

A 3.4mW/element Radiation-Hardened Ka-Band CMOS Phased-Array Receiver Utilizing Magnetic-Tuning Phase Shifter for Small Satellite Constellation. - Xi Fu; Yun Wang 008; Dongwon You; Xiaolin Wang; Ashbir Aviat Fadila; Yi Zhang 092; Sena Kato; Chun Wang; Zheng Li 021; Jian Pang; Atsushi Shirane; Kenichi Okada 001 (ISSCC, 2022)

A 28-GHz Fully-Passive Retro-Reflective Phased-Array Backscattering Transceiver for 5G Network with 24-GHz Beam-Steered Wireless Power Transfer. - Michihiro Ide; Yuasa Keito; Sena Kato; Dongwon You; Ashbir Aviat Fadila; Jian Pang; Atsushi Shirane; Kenichi Okada 001 (VLSI Technology and Circuits, 2022)

A Small-Satellite-Mounted 256-Element Ka-Band CMOS Phased-Array Transmitter Achieving 63.8dBm EIRP Under 26.6W Power Consumption Using Single/Dual Circular Polarization Active Coupler. - Dongwon You; Xi Fu; Xiaolin Wang; Yuan Gao; Wenqian Wang; Jun Sakamaki; Hans Herdian; Sena Kato; Michihiro Ide; Yuncheng Zhang; Ashbir Aviat Fadila; Zheng Li 021; et al. (ISSCC, 2023)

24.3 A 236-to-266GHz 4-Element Amplifier-Last Phased-Array Transmitter in 65nm CMOS. - Chun Wang; Hans Herdian; Wenbin Zheng; Chenxin Liu; Jill C. Mayeda; Yuxuan Liu; Olivia Angel Yong; Wenqian Wang; Yuncheng Zhang; Carrel da Gomez; Abanob Shehata; Sena Kato; et al. (ISSCC, 2024)

A 28GHz 5G NR Wirelessly Powered Relay Transceiver Using Rectifier-Type 4th-Order Sub-Harmonic Mixer. - Sena Kato; Shu Date; Tao Ruoxin; Yasuto Narukiyo; Hiroki Hayashi; Keito Yuasa; Michihiro Ide; Takashi Tomura; Kenichi Okada 001; Atsushi Shirane (VLSI Technology and Circuits, 2024)

A 640-Gb/s 4×4-MIMO D-Band CMOS Transceiver Chipset. - Chenxin Liu; Zheng Li 021; Yudai Yamazaki; Hans Herdian; Chun Wang; Anyi Tian; Jun Sakamaki; Han Nie; Xi Fu; Sena Kato; Wenqian Wang; Hongye Huang; et al. (VLSI Technology and Circuits, 2024)

Millimeter-Wave Transceiver Utilizing On-Chip Butler Matrix for Simultaneous 5G Relay Communication and Wireless Power Transfer. - Keito Yuasa; Michihiro Ide; Sena Kato; Kenichi Okada 001; Atsushi Shirane (IEICE Trans. Electron., 2024)

A Low-Power Radiation-Hardened Ka-Band CMOS Phased-Array Receiver for Small Satellite Constellation. - Xi Fu; Dongwon You; Yun Wang 008; Xiaolin Wang; Ashbir Aviat Fadila; Chenxin Liu; Sena Kato; Chun Wang; Zheng Li 021; Jian Pang; Atsushi Shirane; Kenichi Okada 001 (IEEE J. Solid State Circuits, 2024)

A D-Band CMOS Transceiver Chipset Supporting 640Gb/s Date Rate with 4?4 Line-of-Sight MIMO. - Chenxin Liu; Zheng Li 021; Yudai Yamazaki; Hans Herdian; Chun Wang; Anyi Tian; Jun Sakamaki; Han Nie; Xi Fu; Sena Kato; Wenqian Wang; Hongye Huang; et al. (ASP-DAC, 2025)

11.1 A 256-Element Ka-Band CMOS Phased-Array Receiver Using Switch-Type Quadrature-Hybrid-First Architecture for Small Satellite Constellations. - Sena Kato; Jill C. Mayeda; Keito Yuasa; Michihiro Ide; Takeshi Ota; Shu Date; Yudai Yamazaki; Xiaolin Wang; Xi Fu; Dongwon You; Makoto Higaki; Jumpei Sudo; et al. (ISSCC, 2025)

Millimeter-wave GaAs Rectifier with Differential Signal 4:1 Power Combiner for Simultaneous Wireless Information and Power Transmission. - Masayuki Kikuchi; Michihiro Ide; Jill C. Mayeda; Sena Kato; Keito Yuasa; Kenichi Okada 001; Atsushi Shirane (LASCAS, 2025)

A 640-Gb/s 4 × 4-MIMO D-Band CMOS Transceiver Chipset. - Chenxin Liu; Zheng Li 021; Yudai Yamazaki; Hans Herdian; Chun Wang; Anyi Tian; Jun Sakamaki; Han Nie; Xi Fu; Sena Kato; Wenqian Wang; Hongye Huang; et al. (IEEE J. Solid State Circuits, 2025)