Papers - NARAHASHI Shoichi
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Initial Value Assignment Method on Vector Regulator of Power Amplifier for Massive MIMO Base Stations
Ryosuke OHTANI, Shoichi NARAHASHI, Yasunori SUZUKI
Proceedings of 2024 Asia-Pacific Microwave Conference (APMC2024) 432 - 434 2024.11
Joint Work
Research paper (international conference proceedings)
Authorship: Corresponding author
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Novel Configuration for Phased-Array Antenna System Employing Frequency-Controlled Beam Steering Method
Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi
IEICE Transactions on Electronics Vol.E105-C, No.12, pp.740-749 2022.12
Joint Work
Research paper (scientific journal)
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Fast Adjustment Scheme on Vector Regulator of Power Amplifier for Massive MIMO Base Stations
Kazuya Miyamoto, Shoichi Narahashi, Yasunori Suzuki, Hiroshi Okazaki
Proceedings of 2022 Asia-Pacific Microwave Conference (APMC2022) 605 - 607 FR3-F1-5 2022.11
Joint Work
Research paper (international conference proceedings)
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Linearization Technologies for High Efficiency Power Amplifier of Cellular Base Stations
Yasunori Suzuki, Shoichi Narahashi
IEICE Transactions on ElectronicsE104-C ( 10 ) 534 - 542 Vol.E104-C, No.10, pp.534-542 2021.10
Joint Work
Research paper (scientific journal)
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IMD Components Compensation Condition for Dual-Band Feed-Forward Power Amplifier
Yasunori Suzuki, Hiroshi Okazaki, Shoichi Narahashi
IEICE Transactions on ElectronicsE103-C ( 10 ) 434 - 444 Vol.E103-C, No.10, pp.434-444 2020.10
Joint Work
Research paper (scientific journal)
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Theoretical Analysis of Center Frequency and Bandwidth Tunable Resonator Employing Coupled Line and Switches
Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi, Mizuki Motoyoshi, Noriharu Suematsu
IEICE Transactions on ElectronicsE102-C ( 8 ) 612 - 621 2019.08
Joint Work
Research paper (scientific journal)
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Resonant Frequency and Bandwidth Tunable Ring Resonator Using GaAs FET SPST Switches
Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi, Noriharu Suematsu
IEICE Transactions on ElectronicsE102-C ( 5 ) 388 - 398 2019.05
Joint Work
Research paper (scientific journal)
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A Broadband Phased-Array Antenna System Employing Frequency-Upconverted Local Signals With Phase Difference
Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi
IEEE Transactions on Microwave Theory and Techniques67 ( 1 ) 383 - 391 2019.01
Joint Work
Research paper (scientific journal)
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A Power Amplifier for Massive MIMO Base Station
Yasunori Suzuki, Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi, Takahiro Asai, Yukihiko Okumura
電子情報通信学会論文誌CJ101-C ( No.3 ) 139 - 146 2018.03
Joint Work
Research paper (scientific journal)
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PAPR Reduction Method for Digital Predistortion Linearizer Compensating for Frequency Dependent IMD Components
Yasunori SUZUKI, Junya OHKAWARA, Shoichi NARAHASHI
IEICE Transactions on ElectronicsE101-C ( No.2 ) 118 - 125 2018.02
Joint Work
Research paper (scientific journal)
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26 GHz Band Extremely Low-Profile Front-End Configuration Employing Integrated Modules of Patch Antennas and SIW Filters
Yasunori Suzuki, Takana Kaho, Kei Satoh, Hiroshi Okazaki, Yo Yamaguchi, Shoichi Narahashi, Hiroyuki Shiba
IEICE Transactions on ElectronicsE100-C ( No.12 ) 1097 - 1107 2017.12
Joint Work
Research paper (scientific journal)
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Experimental investigations of 28-GHz-Band power amplifier for massive MIMO transmitter
Yasunori Suzuki, Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi, Takahiro Asai, Yukihiko Okumura
2017 IEEE Asia-Pacific Microwave Conference (APMC) 2017.11
Joint Work
Research paper (international conference proceedings)
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Experimental investigation on 15 GHz band integrated front-end module including antenna and filter for 5G mobile communications systems
Yasunori Suzuki, Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi, Takahiro Asai, Yukihiko Okumura
2017 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) 61 - 63 2017.03
Joint Work
Research paper (international conference proceedings)
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Power amplifier configuration for Massive-MIMO transmitter
Yasunori Suzuki, Shoichi Narahashi
2016 22nd Asia-Pacific Conference on Communications (APCC) 38 - 43 2016.08
Joint Work
Research paper (international conference proceedings)
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Base station assisted communication system for achieving local-oscillator-less mobile stations
Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi
2016 IEEE International Symposium on Radio-Frequency Integration Technology (RFiT) 1 - 3 2016.08
Joint Work
Research paper (international conference proceedings)
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An estimation method of third-order PIM on coaxial cable assembly using one CW
Kunihiro Kawai, Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi
2016 IEEE International Symposium on Radio-Frequency Integration Technology (RFiT) 1 - 3 2016.08
Joint Work
Research paper (international conference proceedings)
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A Novel Beam Control Method and Configuration for Phased Array Antenna System Employing Frequency-Upconverted Local Signals with Phase Difference
福田敦史、岡崎浩司、楢橋祥一
Radio and Wireless Symposium 2016.01
Joint Work
Research paper (international conference proceedings)
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変調信号入力時における整流回路変換効率解析
榊裕翔、福田豪、吉田賢史、西川健二郎、川崎繁男、河合邦浩、岡崎浩司、楢橋祥一
電子情報通信学会論文誌 2015.12
Joint Work
Research paper (scientific journal)
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A New Area Formation Approach for Millimeter Wave Communication Systems Employing A Dielectric Waveguide
河合邦浩、高田卓馬、福田敦史、岡崎浩司、楢橋祥一
Proc. 45th European 2015.09
Joint Work
Research paper (international conference proceedings)
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A Phased Array Antenna System Employing Frequency-Upconverted Local Signals with Phase Difference
福田敦史、岡崎浩司、楢橋祥一
Radio-Frequency Integration Technology 2015.08
Joint Work
Research paper (international conference proceedings)