IEICE Trans

Shoichi NARAHASHI

Novel Configuration for Phased-Array Antenna System Employing Frequency-Controlled Beam Steering Method Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: Publication Date: 2022/12/01 Vol. E105-C No. 12 pp. 740-749 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: analog beam forming, beam steering, broadband communication, phased arrays, RF local signal phase control,
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Linearization Technologies for High Efficiency Power Amplifier of Cellular Base Stations Yasunori SUZUKI Shoichi NARAHASHI
Publication: Publication Date: 2021/10/01 Vol. E104-C No. 10 pp. 534-542 Type of Manuscript: INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: feed-forward, predistortion, power amplifier, cellular base station,
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IMD Components Compensation Conditions for Dual-Band Feed-Forward Power Amplifier Yasunori SUZUKI Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: Publication Date: 2020/10/01 Vol. E103-C No. 10 pp. 434-444 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Microwaves, Millimeter-Waves Keyword: feed-forward power amplifier, dual-band, intermodulation distortion,
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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
Publication: Publication Date: 2019/08/01 Vol. E102-C No. 8 pp. 612-621 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: tunable resonators, coupled line, microstrip lines, switches,
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Resonant Frequency and Bandwidth Tunable Ring Resonator Using GaAs FET SPST Switches Kunihiro KAWAI Hiroshi OKAZAKI Shoichi NARAHASHI Noriharu SUEMATSU
Publication: Publication Date: 2019/05/01 Vol. E102-C No. 5 pp. 388-398 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: tunable resonators, ring resonators, microstrip lines, switches,
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PAPR Reduction Method for Digital Predistortion Linearizer Compensating for Frequency Dependent IMD Components Yasunori SUZUKI Junya OHKAWARA Shoichi NARAHASHI
Publication: Publication Date: 2018/02/01 Vol. E101-C No. 2 pp. 118-125 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: peak-to-average power ratio (PAPR) reduction, base station power amplifier (PA), digital predistortion linearizer (DPDL), drain efficiency,
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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 Maki ARAI Yo YAMAGUCHI Shoichi NARAHASHI Hiroyuki SHIBA
Publication: Publication Date: 2017/12/01 Vol. E100-C No. 12 pp. 1097-1107 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: array antenna, SIW filter, 3D-MMIC, lower profile, radio access unit,
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Recent Activities of Japanese Microwave Industry Koji YAMANAKA Yasunori SUZUKI Shoichi NARAHASHI Takaya WADA Makoto KAWASHIMA Ken TAKEI Kazutaka TAKAGI Atsushi HONDA Zhengyi LI Liang ZHOU Yoji OHASHI Wataru HATTORI Yusuke TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/07/01 Vol. E98-C No. 7 pp. 621-629 Type of Manuscript: INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Keyword: microwave,
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Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Utilizing Composite Right-/Left-Handed Transmission Lines Tadashi KAWAI Yuma SUMITOMO Akira ENOKIHARA Isao OHTA Kei SATOH Yasunori SUZUKI Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 965-971 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies) Category: Keyword: microwave passive components, rat-race circuit, loose coupling, CRLH-TL, wideband,
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FOREWORD Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 922-922 Type of Manuscript: FOREWORD Category: Keyword:
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Experimental Investigation on RF Characteristics of Cryogenically-Cooled 3W-Class Receiver Amplifier Employing GaN HEMT with Blue Light LED for Mobile Base Stations Yasunori SUZUKI Shoichi NARAHASHI Toshio NOJIMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 930-937 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies) Category: Keyword: cryogenically-cooled amplifier, GaN HEMT, blue light, DC, RF, light-emitting diode, mobile base station, receiver amplifier,
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Tunable Resonator Employing Comb-shaped Transmission Line and Semiconductor Switches Kunihiro KAWAI Daisuke KOIZUMI Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/08/01 Vol. E97-C No. 8 pp. 795-802 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: Tunable resonators, microstrip lines, switches,
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Broadside Coupling High-Temperature Superconducting Dual-Band Bandpass Filter Yuta TAKAGI Kei SATOH Daisuke KOIZUMI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/08/01 Vol. E96-C No. 8 pp. 1033-1040 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: bandpass filters, dual-band, resonator filters, broadside coupling, high-temperature superconducting, YBCO,
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Compact Tunable Isolator with a Variable Capacitor Takayuki FURUTA Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/01/01 Vol. E96-C No. 1 pp. 84-92 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: multi-band, tunable, isolator, varactor diode,
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Low-Loss Matching Network Design for Band-Switchable Multi-Band Power Amplifier Atsushi FUKUDA Takayuki FURUTA Hiroshi OKAZAKI Shoichi NARAHASHI Toshio NOJIMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/07/01 Vol. E95-C No. 7 pp. 1172-1181 Type of Manuscript: Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies) Category: Keyword: power amplifier, reconfigurable, matching network, multi-band, switch,
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Highly Efficient Multi-Band Power Amplifier Employing Reconfigurable Matching and Biasing Networks Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 949-957 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: power amplifier, reconfigurable, matching network, biasing network, multi-band, switch, microelectro mechanical systems,
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A Novel Compact HTS Interdigital Bandpass Filter Using CPW Quarter-Wavelength Resonators Zhewang MA Tamio KAWAGUCHI Yoshio KOBAYASHI Daisuke KOIZUMI Kei SATOH Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/02/01 Vol. E89-C No. 2 pp. 140-144 Type of Manuscript: Special Section PAPER (Special Section on Superconducting High-frequency Devices) Category: Keyword: high temperature superconductor, coplanar waveguide, bandpass filter,
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A Low-Loss 5 GHz Bandpass Filter Using HTS Quarter-Wavelength Coplanar Waveguide Resonators Hideyuki SUZUKI Zhewang MA Yoshio KOBAYASHI Kei SATOH Shoichi NARAHASHI Toshio NOJIMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 714-719 Type of Manuscript: Special Section PAPER (Special Issue on Superconductive Electronics) Category: Microwave Devices and Systems Keyword: superconductor, coplanar waveguide, quarter-wavelength resonator, band-pass filter, microwave,
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2-GHz Band Cryogenic Receiver Front End for Mobile Communication Base Station Systems Toshio NOJIMA Shoichi NARAHASHI Tetsuya MIMURA Kei SATOH Yasunori SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/08/25 Vol. E83-B No. 8 pp. 1834-1843 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: radio base station equipment, cryogenic receiver front end, superconducting filter, low noise amplifier, mobile communication,
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