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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MWP | 2015-11-27 16:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Effects of antenna near field pattern on the transmission characetristics of close-proximity 120-GHz-band wireless system Akihiko Hirata, Jun Takeuchi (NTT)  MWP2015-59 |
[more] | MWP2015-59 pp.35-39 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 09:45 |
Hokkaido | Kushiro City Lifelong Learning Center | Study on 120-GHz-band low-power wireless equipment using photonic technologies Akihiko Hirata, Jun Takeuchi (NTT) EMT2015-8 MW2015-46 OPE2015-20 EST2015-12 MWP2015-11 |
[more] | EMT2015-8 MW2015-46 OPE2015-20 EST2015-12 MWP2015-11 pp.1-4 |
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-30 15:30 |
Osaka | Terahertz imaging at 600 GHz using high speed scanners Kodai Takata, Hiroki Nishii (Osaka Univ.), Akihiko Hirata, Katsuhiro Ajito (NTT), Tadao Nagatsuma (Osaka Univ.) PN2014-60 OPE2014-185 LQE2014-172 EST2014-114 MWP2014-82 |
In order to realize practical non-destructive and non-contact inspection of objects by using terahertz (THz) waves, we p... [more] | PN2014-60 OPE2014-185 LQE2014-172 EST2014-114 MWP2014-82 pp.217-222 |
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| MW, ED | 2015-01-15 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Stabilization of the temperature characteristics of millimeter-wave modules for 120-GHz-band wireless link Akihiko Hirata, Jun Takeuchi (NTT) ED2014-119 MW2014-183 |
[more] | ED2014-119 MW2014-183 pp.13-17 |
| MW | 2014-05-23 15:00 |
Kyoto | Doshisha Univ. | Design and Fabrication of a Dual-polarization Corporate-feed Waveguide 32x32-slot Array Antenna for 120 GHz Band Keisuke Hashimoto (Tokyo Tech), Jun Takeuchi (NTT), Jiro Hirokawa (Tokyo Tech), Akihiko Hirata (NTT), Makoto Ando (Tokyo Tech) MW2014-38 |
In this paper, we design a dual-polarization corporate-feed plate-laminated waveguide 32x32-slot array antenna for 120 G... [more] | MW2014-38 pp.85-90 |
| MW | 2014-03-04 16:40 |
Ehime | Ehime University | [Special Talk]
Briefing Report on European Microwave Week 2013 Koji Tsutsumi (Mitsubishi Electric), Ryo Ishikawa (UEC), Hidenori Yukawa (Mitsubishi Electric), Tamio Kawaguchi (Toshiba), Akihiko Hirata (NTT), Hirokazu Kamoda (ATR) MW2013-209 |
[more] | MW2013-209 pp.71-78 |
| ED, MW | 2014-01-17 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Linear Array of Transverse Slots without Cross-polarization on a Hollow Rectangular Waveguide in the 120-GHzBand Duong Nhu Quyen, Makoto Sano, Jiro Hirokawa, Makoto Ando (Tokyo Inst. of Tech.), Jun Takeuchi, Akihiko Hirata (NTT) ED2013-126 MW2013-191 |
[more] | ED2013-126 MW2013-191 pp.91-96 |
| ED, MW | 2014-01-17 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 120-GHz-band 10-Gbit/s Fully-integrated Wireless Equipment using QPSK Transmitter and Receiver based on InP HEMT MMICs Hiroyuki Takahashi, Jun Takeuchi, Akihiko Hirata (NTT) ED2013-127 MW2013-192 |
[more] | ED2013-127 MW2013-192 pp.97-102 |
| ED, MW | 2014-01-17 11:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Dual-channel data transmission over 120-GHz-band wireless link using planar slot array antenna Jun Takeuchi, Akihiko Hirata (NTT), Jiro Hirokawa (Tokyo Inst. of Tech.) ED2013-128 MW2013-193 |
[more] | ED2013-128 MW2013-193 pp.103-108 |
| AP | 2013-05-17 13:50 |
Oita | Beppu International Convention Center B-ConPlaza | 64x64-element and 32x32-element slot array antennas using double-layer hollow-waveguide corporate-feed in the 120 GHz band Dongjin Kim, Jiro Hirokawa, Makoto Ando (Tokyo Inst. of Tech.), Jun Takeuchi, Akihiko Hirata (NTT) AP2013-29 |
[more] | AP2013-29 pp.77-80 |
| MW | 2013-03-07 15:25 |
Hiroshima | Hiroshima Univ. | [Special Talk]
10-Gb/s BPSK modulator and demodulator a 120-GHz-band wireless link Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Koichi Murata, Naoya Kukutsu (NTT) MW2012-179 |
[more] | MW2012-179 pp.109-114 |
| MW, ED | 2013-01-17 16:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Double-layer Corporate-feed Hollow-waveguide Slot Array Antenna and Its Data Transmission Test Results in millimeter wave band Dongjin Kim, Jiro Hirokawa, Makoto Ando (Tokyo Institute of Tech.), Jun Takeuchi, Akihiko Hirata (NTT), Tadao Nagatsuma (Osaka Univ.) ED2012-115 MW2012-145 |
[more] | ED2012-115 MW2012-145 pp.17-22 |
| MW, ED | 2013-01-17 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 120-GHz-band 20-Gb/s QPSK Transmitter and Receiver modules Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Jun Takeuchi, Koichi Murata, Naoya Kukutsu (NTT) ED2012-116 MW2012-146 |
NTT laboratories are developing a 120-GHz-band wireless link using quadrature-phase-shift keying (QPSK). We have reporte... [more] | ED2012-116 MW2012-146 pp.23-28 |
| MW, ED | 2013-01-17 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of fade slope due to weather for 120-GHz-band wireless link Akihiko Hirata, Jun Takeuchi, Hiroyuki Takahashi, Naoya Kukutsu (NTT) ED2012-117 MW2012-147 |
NTT has been developing 120-GHz-band wireless link that can transmit 10-Gbit/s data in order to meet the increase in the... [more] | ED2012-117 MW2012-147 pp.29-33 |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-26 09:55 |
Hokkaido | Hokkaido Univ. | 120-GHz-band outddor wireless link using photonics and electronic technologies Akihiko Hirata, Hiroyuki Takahashi, Jun Takeuchi, Naoya Kukutsu, Toshihiko Kosugi, Koichi Murata (NTT) MW2012-29 OPE2012-22 EST2012-11 MWP2012-10 |
NTT has been developing outdoor 120-GHz-band wireless link that can transmit 10-Gbit/s data in order to meet the require... [more] | MW2012-29 OPE2012-22 EST2012-11 MWP2012-10 pp.11-15 |
| MW | 2011-11-25 14:45 |
Okinawa | Hermetic Sealing Technique for F-band Waveguides and Packages Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Jun Takeuchi, Koichi Murata, Naoya Kukutsu (NTT) MW2011-123 |
Outdoor systems operating at frequencies of over 100 GHz need secure seals for rectangular waveguides to protect against... [more] | MW2011-123 pp.59-64 |
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| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-21 09:05 |
Hokkaido | Study of Polarization Division Duplexing for 120-GHz-band Wireless Link Jun Takeuchi, Akihiko Hirata, Hiroyuki Takahashi, Naoya Kukutsu (NTT) MW2011-41 OPE2011-28 EST2011-27 MWP2011-9 |
[more] | MW2011-41 OPE2011-28 EST2011-27 MWP2011-9 pp.1-6 |
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| AP, MW (Joint) |
2011-03-04 15:15 |
Ibaraki | Ibaraki Univ. | Transmission Experiment of 120-GHz-Band Wireless Link using 10Gbit/s Forward Error Correction System Fumiyasu Suginoshita, Satoshi Okabe, Tetsuomi Ikeda, Kazuyoshi Shogen (NHK Labs.), Hiroyuki Takahashi (NTT Labs.), Akihiko Hirata, Naoya Kukutsu (NHK Labs.) AP2010-194 |
We are developing 10-Gbps forward error correction system of 120-GHz-band wireless transmission for multiplexed HD-SDI s... [more] | AP2010-194 pp.123-128 |
| ED | 2009-11-29 15:55 |
Osaka | Osaka Science & Technology Center | High Breakdown Voltage InP HEMT 125GHz, 140mW MW Power Amplifier
-- Development of 120GHz Broadband Wireless System -- Toshihiko Kosugi, Hiroki Sugiyama (NTT PH Lab.), Akihiko Hirata, Naoya Kukutsu, Hiroyuki Takahashi (NTT MI Lab.), Koichi Murata (NTT PH Lab.) ED2009-164 |
[more] | ED2009-164 pp.25-30 |
| ED | 2009-11-29 16:20 |
Osaka | Osaka Science & Technology Center | 120-GHz-band BPSK Modulator and Demodulator for 10 Gbit/s Data Transmission Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Koichi Murata, Naoya Kukutsu (NTT Corp.) ED2009-165 |
This paper presents a 120-GHz-band binary phase shift keying (BPSK) modulator and demodulator fabricated on microwave mo... [more] | ED2009-165 pp.31-35 |
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