IEICE Trans

Akihiko HIRATA

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern Akihiko HIRATA Koichiro ITAKURA Taiki HIGASHIMOTO Yuta UEMURA Tadao NAGATSUMA Takashi TOMURA Jiro HIROKAWA Norihiko SEKINE Issei WATANABE Akifumi KASAMATSU
Publication: Publication Date: 2021/10/01 Vol. E104-C No. 10 pp. 587-595 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: terahertz, filter, wireless communication, close-proximity wireless link,
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Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate Koichiro ITAKURA Akihiko HIRATA Masato SONODA Taiki HIGASHIMOTO Tadao NAGATSUMA Takashi TOMURA Jiro HIROKAWA Norihiko SEKINE Issei WATANABE Akifumi KASAMATSU
Publication: Publication Date: 2021/03/01 Vol. E104-C No. 3 pp. 102-111 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: millimeter-wave filter, millimeter-wave propagation, millimeter-wave communication,
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Contrast Enhancement of 76.5 GHz-Band Millimeter-Wave Images Using Near-Field Scattering for Non-Destructive Detection of Concrete Surface Cracks Akihiko HIRATA Makoto NAKASHIZUKA Koji SUIZU Yoshikazu SUDO
Publication: Publication Date: 2020/05/01 Vol. E103-C No. 5 pp. 216-224 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: millimeter-wave radar, imaging systems, millimeter-waves, radar systems, radio propagation,
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Absorber Integrated Planar Slot Array Antenna for Suppression of Multiple Reflection in 120-GHz-Band Close-Proximity Wireless System Akihiko HIRATA Jiro HIROKAWA
Publication: Publication Date: 2018/10/01 Vol. E101-C No. 10 pp. 791-800 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: millimeter-wave absorber, millimeter-wave communication, millimeter-wave antenna,
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Alignment Control System Using Beam-Tilting 1-D Waveguide-Slot Array Antennas for 120-GHz-Band Corporate-Feed High-Gain 2-D Arrays Akihiko HIRATA Jun TAKEUCHI Keisuke HASHIMOTO Jiro HIROKAWA
Publication: Publication Date: 2017/01/01 Vol. E100-B No. 1 pp. 158-166 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: alignment control, millimeter waves, plate-laminated waveguide, diffusion bonding, slot antenna,
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120-GHz-Band Amplifier Module with Hermetic Sealing Structure for 10-Gbit/s Wireless System Hiroyuki TAKAHASHI Toshihiko KOSUGI Akihiko HIRATA Jun TAKEUCHI Koichi MURATA Naoya KUKUTSU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/06/01 Vol. E97-C No. 6 pp. 583-591 Type of Manuscript: PAPER Category: Electronic Components Keyword: millimeter-wave, waveguide, connection technique, wireless communication,
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10-Gbit/s Bidirectional and 20-Gbit/s Unidirectional 2-ch Wireless Data Transmission System Using 120-GHz-Band Finline Orthomode Transducers Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU Yoshiaki YAMADA Kei KITAMURA Mitsuhiro TESHIMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/02/01 Vol. E97-C No. 2 pp. 101-110 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: ortho-mode transducer (OMT), finline, millimeter waves, polarization-multiplexing,
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A Finline Orthomode Transducer for 120-GHz-Band Wireless Links Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/02/01 Vol. E97-C No. 2 pp. 111-119 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: ortho-mode transducer (OMT), finline, millimeter waves, polarization-multiplexing,
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Evaluation of Interference between Parallel 120-GHz-Band Wireless Link Systems with High-Gain Cassegrain Antennas Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/10/01 Vol. E96-C No. 10 pp. 1294-1300 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems) Category: Keyword: millimeter-wave radio communications, broadband communications, photodiode, HEMT,
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Design and Measurement of the Plate Laminated Waveguide Slot Array Antenna and Its Feasibility for Wireless Link System in the 120 GHz Band Dongjin KIM Jiro HIROKAWA Kimio SAKURAI Makoto ANDO Takuma TAKADA Tadao NAGATSUMA Jun TAKEUCHI Akihiko HIRATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/08/01 Vol. E96-B No. 8 pp. 2102-2111 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: waveguide antenna, diffusion bonding, full corporate feed, data transmission,
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Low-Phase Noise Photonic Millimeter-Wave Generator Using an AWG Integrated with a 3-dB Combiner Akihiko HIRATA Hiroyoshi TOGO Naofumi SHIMIZU Hiroshi TAKAHASHI Katsunari OKAMOTO Tadao NAGATSUMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/07/01 Vol. E88-C No. 7 pp. 1458-1464 Type of Manuscript: Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications) Category: Millimeter-Wave Technologies Keyword: photonic millimeter-wave generator, planar lightwave circuit, arrayed-waveguide grating, phase noise,
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A Broadband 120-GHz Schottky-Diode Receiver for 10-Gbit/s Wireless Links Tadashi MINOTANI Akihiko HIRATA Tadao NAGATSUMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/08/01 Vol. E86-C No. 8 pp. 1501-1505 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Keyword: MMW wireless link, broadband receiver, photonic transmitter,
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Low-Cost Millimeter-Wave Photonic Techniques for Gigabit/s Wireless Link Akihiko HIRATA Mitsuru HARADA Kenji SATO Tadao NAGATSUMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/07/01 Vol. E86-C No. 7 pp. 1123-1128 Type of Manuscript: INVITED PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies) Category: Photonic Links for Wireless Communications Keyword: millimeter-wave wireless link, millimeter-wave photonic techniques, gigabit/s data transmission,
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3.0 Gbit/s Wireless Links Using 120-GHz Millimeter-Wave Photonic Techniques Akihiko HIRATA Mitsuru HARADA Tadao NAGATSUMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/07/01 Vol. E85-C No. 7 pp. 1516-1518 Type of Manuscript: LETTER Category: Optoelectronics Keyword: millimeter-wave wireless link, photonic emitter, Gigabit Ethernet,
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