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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IN, NS (Joint) |
2023-03-02 14:20 |
Okinawa | Okinawa Convention Centre + Online (Primary: On-site, Secondary: Online) |
Research on Dielectric Waveguides for Enhancing Spatial Resolution in Beyond 5G High Frequency Communications Reishi Mitani (The Univ. of Tokyo), Atsushi Fukuda, Hiroto Yamamoto, Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO), Akihiro Nakao (The Univ. of Tokyo)  NS2022-191 |
High-frequency communications, which are used in 5G and expected to be Beyond5G, enable high-capacity communicationsbyus... [more] | NS2022-191 pp.139-144 |
| MW | 2022-12-15 14:35 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
A Study of Sub-THz Band Transmitter Configuration for 6G Mobile Communication System Yasunori Suzuki, Hiroshi Okazaki, Satoshi Suyama (NTT DOCOMO) MW2022-134 |
This paper presents a sub-THz band transmitter configuration for six-generation mobile communication system. First, we i... [more] | MW2022-134 pp.16-21 |
| MW | 2022-03-03 14:45 |
Online | Online | Frequency Characteristics on Vector Regulator Adjustment of Power Amplifier for Massive MIMO Base Stations Kazuya Miyamoto, Shoichi Narahashi (Setsunan Univ.), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOMO) MW2021-123 |
This paper presents Frequency Characteristics on Vector Regulator Adjustment of 3.5-GHz Band Power Amplifier. Experiment... [more] | MW2021-123 pp.69-72 |
| 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 |
| MW | 2021-11-19 13:55 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
A Study on Coverage Extension by a Leaky Dielectric Waveguide with Dielectric Pieces Attached Hiroto Yamamoto, Atsushi Fukuda, Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO) MW2021-81 |
This paper presents an experimental study of coverage extension by a leaky dielectric waveguide that leaks radio waves f... [more] | MW2021-81 pp.81-85 |
| MW, WPT | 2020-04-23 14:15 |
Online | Online | Investigation of Rectifier Operation with Harmonic Controlled Input Signals towards Pulse Modulation WiCoPT System Runyuan Li, Satoshi Yoshida (Kagoshima Univ), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOMO), Kenjiro Nisikawa (Kagoshima Univ) WPT2020-5 MW2020-5 |
One of main issues on Wireless Communication and Power Transmission(WiCoPT) system is that modulated input signals degra... [more] | WPT2020-5 MW2020-5 pp.25-30 |
| MW | 2019-11-15 11:00 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Report on 2019 IEEE MTT-S International Microwave Symposium Msaru Sato (Fujitsu Lab.), Takashi Shimizu (Utsunomiya Univ.), Yusuke Uemichi (Fujikura), Hiroyuki Aoyama (Mitsubishi Electoric), Tetsuya Ueda (KIT), Yuji Komatsuzaki (Mitsubishi Electoric), Hiroshi Hamada (NTT), Kyoya Takano (TUS), Hiroshi Okazaki (NTT DOCOMO) MW2019-114 |
This is a report on 2019 IEEE MTT-S International Symposium held at Boston, MA, USA, June 2-7, 2019. It contains an over... [more] | MW2019-114 pp.81-86 |
| MW, ICD | 2019-03-14 15:40 |
Okinawa | Wide dynamic range rectifier circuit with varactor tuning technique Ayako Suzuki, Koshi Hamano, Hayato Shimizu (Kagoshima Univ.), Hiroshi Okazaki, Kunihiro Kawai, Atsushi Fukuda, Yasunori Suzuki (NTT DOCOMO), Kenjiro Nishikawa (Kagoshima Univ.) MW2018-166 ICD2018-110 |
[more] | MW2018-166 ICD2018-110 pp.55-59 |
|
| MW | 2018-11-16 13:15 |
Nagasaki | Fukue Cultural Hall | [Special Talk]
Report on 2018 IEEE MTT-S International Microwave Symposium Takashi Shimizu (Utsunomiya Univ.), Ryo Ishikawa (UEC), Tetsuya Ueda (Kyoto Inst. of Tech.), Masataka Ohira (Saitama Univ.), Hiroshi Okazaki (NTT DOCOMO), Yuji Komatsuzaki (Mitsubishi Electric Corp.), Tamura Masaya (TUT) MW2018-110 |
[more] | MW2018-110 pp.95-102 |
| AP, MW (Joint) |
2018-09-20 14:30 |
Tokyo | Tokyo Tech | A Study of Quasi-Millimeter Wave Transceiver Frontend Module Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba (NTT), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOM) MW2018-59 |
[more] | MW2018-59 pp.1-6 |
| AP, MW (Joint) |
2018-09-21 10:20 |
Tokyo | Tokyo Tech | A study of statistical property of intermodulation distortion components generating by power amplifier Yasunori Suzuki, Hiroshi OKazaki (NTT DOCOMO) MW2018-64 |
This paper presents a statistical property of intermodulation distortion components generating by power amplifier when i... [more] | MW2018-64 pp.29-34 |
| ED, MW | 2018-01-26 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Talk]
Briefing Report on European Microwave Week 2017 Ryo Ishikawa (UEC), Shuhei Amakawa (Hiroshima Univ.), Chen Chun-Pin (Kanagawa Univ.), Tamio Kawaguchi (Toshiba), Hiroshi Okazaki (NTT DOCOMO) ED2017-100 MW2017-169 |
The Microwave Week 2017, comprising the European Microwave Conference (EuMC), European Rader Conference(EuRAD), and Euro... [more] | ED2017-100 MW2017-169 pp.35-40 |
| AP, MW (Joint) |
2017-09-21 14:00 |
Saitama | Saitama University | High Frequency Analog Beam Forming by Frequency Control of Local Oscillator Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2017-68 |
This paper proposes a novel configuration for a phased array antenna system (PAS) that achieves ultra-broadband transmis... [more] | MW2017-68 pp.1-4 |
| AP, MW (Joint) |
2017-09-21 14:25 |
Saitama | Saitama University | A Study of Quasi-Millimeter Wave Integrated Front-End Module Including Antenna and Filter Yasunori Suzuki, Kei Satoh, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO), Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT) MW2017-69 |
[more] | MW2017-69 pp.5-9 |
| AP, MW (Joint) |
2017-09-21 14:50 |
Saitama | Saitama University | A Study of Quasi-Millimeter Wave Frontend ICs and Modules Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT), Yasunori Suzuki, Kei Sato, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2017-70 |
Application of Massive MIMO and beamforming technology using array antennas in the quasi-millimeter wave band is being ... [more] | MW2017-70 pp.11-15 |
| AP, MW (Joint) |
2017-09-22 15:15 |
Saitama | Saitama University | A relation between polarization and radiation characteristics of flexible dielectirc wavguide Kunihiro Kawai, Atsushi Fukuda, Hiroshi Okazaki, Takahiro Asai, Akira Yamada (NTT DOCOMO) MW2017-78 |
This paper presents radiation characteristics of bended flexible dielectric waveguides when the millimeter wave signal p... [more] | MW2017-78 pp.59-62 |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | 28 GHz Band Power Amplifier for Massive MIMO Transmitter Yasunori Suzuki, Kunihiro Kawai, Hiroshi Okazaki (DOCOMO) |
This paper presents experimental results of 28 GHz band power amplifier for Massive MIMO transmitter. The power amplifie... [more] | |
| MW | 2016-11-17 16:00 |
Saga | Saga Univ. | [Special Talk]
Report on 2016 IEEE MTT-S International Microwave Symposium Masataka Ohira (Saitama Univ.), Hiroshi Okazaki (NTT DOCOMO), Hiroyuki Kayano (Toshiba), Masaru Sato (Fujitsu Lab.), Takashi Shimizu (Utsunomiya Univ.), Hiroshi Hamada (NTT) MW2016-125 |
This is a report on 2016 IEEE MTT-S International Microwave Symposium (IMS2016) in San Francisco, CA, USA, on May 22-27,... [more] | MW2016-125 pp.49-55 |
| AP, MW (Joint) |
2016-09-15 14:50 |
Ibaraki | AIST | Radiation characteristics of bended flexible dielectric waveguide for area formation of millimeter-wave wireless communication systems Kunihiro Kawai, Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2016-77 |
This paper presents radiation characteristics of two bended flexible dielectric waveguides in millimeter wave frequencie... [more] | MW2016-77 pp.23-26 |
| MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas | KMUTNB, Bangkok, Thailand | Broadband, Flat-gain, and High Liniarity GaN HEMT LNA for Mobile Base Station Masanobu Tsujii, Koshi Hamano, Kenjiro Nishikawa (Kagoshima Univ.), Kunihiro Kawai, Hiroshi Okazaki, Syoichi Narahashi (NTT DOCOMO, INC.) |
This paper demonstrates a broadband GaN HEMT Low Noise Amplifier (LNA) with high linearity. The proposed two-stage LNA e... [more] | |
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