論文 - 西川 健二郎
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Hiroto Sakaki and Kenjiro Nishikawa . Rectifier Model Using Two Types of Neural Networks for Multiple Average Input Power Levels (to be published) . 2026年査読
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Hiroto Sakaki and Kenjiro Nishikawa . Rectifier Model Using Two Types of Neural Networks for Multiple Average Input Power Levels . 2025 Asia Pacific Microwave Conference (APMC2025) 1 - 4 2025年12月査読
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Qingkun Lyu and Kenjiro Nishikawa . A Nonlinear Rectifying Diode Modeling Approach for High-Efficiency Single-Shunt Rectifier Design . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 25 - 27 2025年8月査読
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Shin Yokomura, Daisuke Yasunobu, Hiroto Sakaki, and Kenjiro Nishikawa . Microwave Characterization CPW Lines Using Copper Ink Based Printed Electronics . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 190 - 192 2025年8月査読
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Yudai Shiota, Hiroto Sakaki, Kenjiro Nishikawa . A Method for Reducing Learning Time in ARVTDNN for NN-DPD Applications . 2025 IEEE International Symposium on Radio-Frequency Integration Technology 199 - 201 2025年8月査読
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Hiroto Sakaki, Kazutomi Mori, and Kenjiro Nishikawa . Hybrid LSTM and polynomial-based rectifier modeling for modulated signals under varying average input power levels . IEICE Communication s Express14 ( 12 ) 424 - 427 2025年8月査読
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Daisuke Yasunobu, Hiroto Sakaki, and Kenjiro Nishikawa . Analysis of Microwave CPW Characterization on Printed Electronics Substrate . 2024 Asia Pacific Microwave Conference (APMC2024) 775 - 777 2024年11月査読
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Hiroto Sakaki and Kenjiro Nishikawa . A Surrogate Model of Rectifiers with LSTM Neural Networks for Various Modulated Signals . 2024 Asia Pacific Microwave Conference (APMC2024) 399 - 401 2024年11月査読
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Kenjiro Nishikawa . Rectifier Desgin Techniques for Wide Dynamic Range Operation . 2023 Asia Pacific Microwave Conference (APMC) 620 - 622 2023年12月招待 査読
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Daisuke Yasunobu, Ren Furumoto, and Kenjiro Nishikawa . Investigation on High-efficient Saturation Operation of Doherty-Outphasing Hybrid Power Amplifier for WPT applications . 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) 1 - 4 2023年8月査読
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Satoshi Yoshida, and Kenjiro Nishikawa . Dependable Wireless Powering for the Wireless Sensor Station by Using Combination of Solar Cell and Rectenna . 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) 1 - 2 2023年8月査読
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Satoshi Yoshida, and Kenjiro Nishikawa . Effect of the Shielding for Opened Windows of the Reusable Vehicle Test for 5.8-GHz-Band Microwave Power Transmission . 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) 1 - 2 2023年8月査読
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Masahiro Nakagawa, Ren Furumoto, Satoshi Yoshida, and Kenjiro Nishikawa . 28GHz High Efficiency Rectifier Design utilizing Second Harmonic Signal Control . 2023 IEEE Wireless Power Technology Conference and Expo (WPTCE) 1 - 3 2023年6月査読
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Ren Furumoto, Daisuke Yasunobu, Kenjiro Nishikawa . Analysis of the Operation of a Hybrid Amplifier Based on the Doherty Amplifier . 2022 Asia-Pacific Microwave Conference Digest(APMC)73 737 - 739 2022年11月
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Riku Maeda, Satoshi Yoshida, Kenjiro Nishikawa, Shigeo Kawasaki . Demonstration of a 920MHz Band Wireless Sensor System Powered by 5.8 GHz Band Wireless Power Transmission . 2022 Asia-Pacific Microwave Conference Digest (APMC)73 578 - 580 2022年11月
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Satoshi Yoshida, Mizuki Kuwata, Kenjiro Nishikawa . Measurement of a 60-GHz-Band Digital Beamforming Array Using 4-by-2 Circular Patch . 2022 International Symposium on Antennas and Propagation (ISAP)2022 539 - 540 2022年11月査読
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Shunya Asakura, Shuhei Yamanokuchi, Satoshi Yoshida, Kenjiro Nishikawa . Design and Prototyping of a Single-Shunt Rectifier with 71% Fractional Bandwidth Having Acceptable Matching on 10 dBm LSSP . 2022 Wireless Power Week (WPW)WPTC2022 383 - 387 2022年7月査読
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Yotaro Watanabe, Shintaro Miya, Taishi Nara, Satoshi Yoshida, Shigeo Kawasaki, Kenjiro Nishikawa . Investigation of Transmission Efficiency on Short- range 4x4 MIMO WiCoPT System (finalist for Student Paper Competition) . 2022 Wireless Power Week (WPW)WPTC2022 853 - 856 2022年7月査読
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Teruki Yabuta, Satoshi Yoshida, Kenjiro Nishikawa . Dual-band Wireless Power Transfer System for Simultaneous Wireless Information and Power Transfer System . 2022 Wireless Power Week (WPW)WPTC2022 884 - 886 2022年7月査読
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朝倉 俊哉, 吉田 賢史, 西川 健二郎 . 比帯域71%を達成する1GHz帯広帯域シングルシャント整流器の設計,測定,評価 . 電気学会研究会資料. EMT = The papers of technical meeting on electromagnetic theory, IEE Japan / 電磁界理論研究会 [編]2022 ( 40-53・55-58・60-81 ) 85 - 89 2022年7月