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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, LQE, OFT, OCS | 2024-05-17 16:30 |
Online | Online | [Special Invited Talk]
100-GHz EO bandwidth Low-cost PCB based Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission Hitoshi Wakita, Munehiko Nagatani (NTT Corp.), Yoshihiro Ogiso, Masanori Nakamura, Fukutaro Hamaoka, Yuta Shiratori, Takayuki Kobayashi, Yutaka Miyamoto, Hiroyuki Takahashi (NTT Corp.) |
[more] | |
| ED, MW | 2024-01-26 15:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Ultra-high-speed analog front-end ICs for optical and wireless communications using InP compound semiconductors Teruo Jyo, Munehiko Nagatani, Hiroshi Hamada, Hitoshi Wakita, Ibrahim Abdo, Daisuke Kitayama, Adam Pander, Yuta Shiratori, Miwa Mutoh, Takuya Tsutsumi, Hiroyuki Takahashi (NTT)  ED2023-81 MW2023-173 |
To accommodate the demand for higher speed and larger capacity networks due to the continuous increase in communication ... [more] | ED2023-81 MW2023-173 pp.81-86 |
| MW | 2023-03-02 16:25 |
Tottori | Tottori Univ. (Primary: On-site, Secondary: Online) |
[Special Talk]
220-325 GHz High Gain and High Common-mode rejection Differential Amplifier in 60-nm InP-HEMT technology Hiroshi Hamada, Takuya Tsutsumi, Adam Pander, Hideaki Matsuzaki, Hiroki Sugiyama, Hiroyuki Takahashi, Hideyuki Nosaka (NTT) MW2022-169 |
[more] | MW2022-169 pp.70-75 |
| ED, MWPTHz | 2022-12-19 16:05 |
Miyagi | [Invited Talk]
InP-HEMT Fabrication Process Technology for Beyond 5G Wireless Network with Tera-Hertz Band Takuya Tsutsumi, Hiroshi Hamada, Teruo Jyo, Hiroki Sugiyama, Taro Sasaki, Hiroyuki Takahashi, Fumito Nakajima (NTT) ED2022-76 MWPTHz2022-47 |
Next-generation "Beyond 5G (B5G) / 6G" wireless network systems have been researched and developed for meeting with rapi... [more] | ED2022-76 MWPTHz2022-47 pp.23-27 |
|
| MW | 2022-03-04 09:20 |
Online | Online | A study of diode linearizer for 100 GHz amplifier toward 6G Sumire Aoki, Hiroshi Hamada, Hiroto Yamamoto, Atsushi Fukuda (NTT DOCOMO), Jyo Teruo, Hiroyuki Takahashi (NTT), Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO) MW2021-129 |
Sub-THz band (frequency range above 100 GHz) are gathering attention to implement 6G high-speed wireless communications.... [more] | MW2021-129 pp.100-104 |
| ED, THz | 2021-12-21 09:00 |
Miyagi | (Primary: On-site, Secondary: Online) |
[Invited Talk]
InP HEMT based Tera-hertz IC Fabrication Technology for Beyond 5G/6G Application Takuya Tsutsumi, Hirosh Hamada, Hiroki Sugiyama, Teruo Jyo, Hiroyuki Takahashi, Hideaki Matsuzaki (NTT) ED2021-55 |
In this report, we focuses fabrication processes of InP-based hight-mobility transistors (InP-HEMTs) and Tera-Hertz mono... [more] | ED2021-55 pp.34-39 |
| OFT | 2018-01-19 11:45 |
Kumamoto | Non-entry manhole inspection technology
-- Image analysis to improve the efficiency of manhole inspection -- Chihiro Saito, Takayuki Furukawa, Okutsu Masaru, Hiroyuki Takahashi, Masafumi Nakagawa, Syuichi Yanagi (NTT) OFT2017-68 |
(Advance abstract in Japanese is available) [more] | OFT2017-68 pp.57-60 |
|
| 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 |
| MW | 2013-11-21 15:45 |
Kagoshima | Kagoshima Prefectural Culture Center | [Special Talk]
Report on 2013 IEEE MTT-S International Microwave Symposium Masataka Ohira (Saitama Univ.), Tetsuya Ueda (Kyoto Inst. Tech.), Hiroshi Okazaki (NTT DOCOMO), Eigo Kuwata (Mitsubishi Electric Corp.), Hiroyuki Takahashi (NTT), Shotaro Nagai (Yamaguchi Univ.), Zhewang Ma (Saitama Univ.), Shingo Yamanouchi (NEC) MW2013-140 |
This is a report on 2013 IEEE MTT-S International Microwave Symposium (IMS 2013) held at Seattle, WA, USA, on June 2-7, ... [more] | MW2013-140 pp.51-60 |
| 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 16:25 |
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 |
|
| 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 |
|
| 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 |
| MW | 2009-03-06 17:30 |
Tokyo | NHK Science & Technical Research Lab. | [Special Talk]
Briefing Report on European Microwave Conference 2008 Shoichi Narahashi, Kei Satoh, Kunihiro Kawai (NTT DOCOMO), Tetsuo Anada, Chun-Ping Chen (Kanagawa Univ.), Kazuhiro Fujimori (Okayama Univ.), Hiroyuki Takahashi (NTT), Hiroyuki Kayano (Toshiba), Kazuhisa Yamauchi, Masaomi Tsuru (Mitsubishi Electric), Takuo Kashiwa (Furuno Electric) MW2008-209 |
The Microwave week 2008, comprising the European Microwave Conference, European Wireless Technology Conference, European... [more] | MW2008-209 pp.111-122 |
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