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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-21 09:10 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Scattering experiment and simulation at 300GHz from slightly rough surface on dielectric Riku Yoshino, Yoshihide Asakura (Waseda Univ), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ)  EMT2023-36 MW2023-54 OPE2023-36 EST2023-36 MWPTHz2023-32 |
It is expected millimeter-wave and terahertz wave will be used for B5G and 6G system to realize high-speed and large-cap... [more] | EMT2023-36 MW2023-54 OPE2023-36 EST2023-36 MWPTHz2023-32 pp.143-146 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-21 10:00 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
High-speed Fading Measurement of Millimeter-wave Broadband Signals Kazuki Tsushima (Waseda Univ.), Keizo Inagaki (NICT), Kunihisa Jitsuno, Arata Ogaki, Keisuke Miyano, Tetsuya Kawanishi (Waseda Univ.) EMT2023-38 MW2023-56 OPE2023-38 EST2023-38 MWPTHz2023-34 |
In wireless communications, fading is a propagation characteristic that degrades communication quality. Millimeter wave ... [more] | EMT2023-38 MW2023-56 OPE2023-38 EST2023-38 MWPTHz2023-34 pp.151-154 |
| PN | 2023-03-01 15:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Invited Talk]
High-speed beam steering technology toward Beyond 5G Hideyuki Nosaka (Ritsumeikan Univ.), Takana Kaho (SIT), Tetsuya Kawanishi (Waseda Univ.) PN2022-46 |
Towards Beyond 5G systems, high-speed beam steering technology is required to realize innovative functions such as high-... [more] | PN2022-46 pp.23-27 |
| ED, MWPTHz | 2022-12-19 14:05 |
Miyagi | Design of Fθ lens for scanning terahertz imaging Ruoxun Feng (Waseda Univ), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ) ED2022-73 MWPTHz2022-44 |
In the next-generation mobile communication system Beyond 5G, the active use of terahertz waves with higher frequencies ... [more] | ED2022-73 MWPTHz2022-44 pp.11-14 |
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| ED, MWPTHz | 2022-12-20 13:00 |
Miyagi | [Invited Talk]
Bi-directional real-time 300GHz radio communication system Tetsuya Kawanishi (Waseda Univ.) ED2022-83 MWPTHz2022-54 |
This presentation provides an overview of the research results obtained in the EU-Japan joint research project: ThoR (Te... [more] | ED2022-83 MWPTHz2022-54 pp.58-61 |
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| ED, MWPTHz | 2022-12-20 13:40 |
Miyagi | Optical and RF signal phase measurement using Mach-Zehnder modulators based on optical spectrum analysis Huang Qingchuan (Waseda Univ), Keizou Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ) ED2022-84 MWPTHz2022-55 |
Wide applications of massive MIMO antenna system require well adjustments of phase difference between sub antenna units.... [more] | ED2022-84 MWPTHz2022-55 pp.62-66 |
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| ED, MWPTHz | 2022-12-20 14:05 |
Miyagi | A method to compensate low frequency component for variable-linewidth laser controlled by Brownian random walk phase noise Chen Zheng, Yu Zhou (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) ED2022-85 MWPTHz2022-56 |
[more] | ED2022-85 MWPTHz2022-56 pp.67-70 |
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| OPE, LQE, OCS | 2022-11-18 16:30 |
Online | Online | [Special Invited Talk]
Ti-diffused LiNbO3 Modulator Integrated with Electro-Optic Frequency-Domain Equalizer for High Bandwidth Yuya Yamaguchi, Pham Tien Dat (NICT), Shingo Takano, Masayuki Motoya, Yu Kataoka, Junichiro Ichikawa, Satoshi Oikawa, Ryo Shimizu (Sumitomo Osaka Cement), Naokatsu Yamamoto (NICT), Atsushi Kanno (Nagoya Institute of Technology/NICT), Tetsuya Kawanishi (Waseda Univ./NICT) OCS2022-58 OPE2022-93 LQE2022-56 |
[more] | OCS2022-58 OPE2022-93 LQE2022-56 pp.30-33 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 15:45 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Fundamental Characteristic Measurements of Electroabsorption Modulator Integrated Laser Diode for Vector Modulation Yuki Seto (Waseda Univ.), Keizo Ingaki (NICT), Tetsuya Kawanishi (Waseda Univ.) EMT2022-28 MW2022-52 OPE2022-31 EST2022-29 MWPTHz2022-26 |
We measured the fundamental characteristics of an EA modulator integrated laser diode for vector modulation of light. Di... [more] | EMT2022-28 MW2022-52 OPE2022-31 EST2022-29 MWPTHz2022-26 pp.99-102 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 16:10 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Simulation of terahertz wave scattering from slightly rough surface on woods and stones Riku Yoshino, Toshiya Yoshida, Kunihisa Jitsuno (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) EMT2022-29 MW2022-53 OPE2022-32 EST2022-30 MWPTHz2022-27 |
Millimeter and terahertz waves have been researched owing to apply next transmission system such as 6th generation. Howe... [more] | EMT2022-29 MW2022-53 OPE2022-32 EST2022-30 MWPTHz2022-27 pp.103-108 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-20 10:50 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Uplink transmission of 28 GHz Band RF Signals using A-RoMMF Hiroki Yasuda, Takamitsu Aiba, Toshinori Suzuki, Satoshi Tanaka, Tomohiro Wakabayashi (Yazaki), Tetsuya Kawanishi (Waseda Univ.) EMT2022-41 MW2022-65 OPE2022-44 EST2022-42 MWPTHz2022-39 |
(To be available after the conference date) [more] | EMT2022-41 MW2022-65 OPE2022-44 EST2022-42 MWPTHz2022-39 pp.163-167 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-27 10:35 |
Online | Online | Modeling and experimental study of W-band millimeter-wave scattering from slightly rough surfaces Riku Yoshino, Tomohiko Kanaya, Shintaro Takada, Kunihisa Jitsuno (Waseda Univ), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ) PN2021-33 EMT2021-49 MWP2021-38 |
Recently, millimeter-wave and THz bands have been attracting attention as transmission media for high-speed wireless com... [more] | PN2021-33 EMT2021-49 MWP2021-38 pp.7-10 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-27 11:00 |
Online | Online | A Study on Millimeter Wave Band Radar Characterization for Evaluation of Wideband Propagation Characteristics Tomohiko Kanaya, Shintaro Takada, Riku Yoshino, Kunihisa Jitsuno (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2021-34 EMT2021-50 MWP2021-39 |
The use of millimeter waves and terahertz bands is expected in the development of wireless technology after 5G, and the ... [more] | PN2021-34 EMT2021-50 MWP2021-39 pp.11-14 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-27 13:30 |
Online | Online | Experimental Study of In-Vehicle Secondary radar to detect pedestrians in NLOS Satomi Masuda, Zhou Zhongqi, Maiko Kitamura, Mao Morishita, Kunihisa Jitsuno (Waseda Univ.), Keizo Inagaki, Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2021-36 EMT2021-52 MWP2021-41 |
It's not easy to detect in areas where there are many obstacles to the signals, such as NLOS. In this study, we invest... [more] |
PN2021-36 EMT2021-52 MWP2021-41 pp.19-22 |
| MWP | 2021-05-26 17:00 |
Online | Online | Study on multimode-fiber transmission capacity expansion based on precise measurement of time-domain variation of frequency response Takuya Koyama, Ryoga Kawabata, Shota Nakamaru, Zu-Kai Weng (Waseda Univ.), Keizo Inagaki (NICT), Kunihisa Jitsuno, Tetsuya Kawanishi (Waseda Univ.) MWP2021-6 |
With the advent of the IoT society, the demand for low-cost moderate transmission capacity fiber optic communication is ... [more] | MWP2021-6 pp.23-28 |
| MWP | 2021-05-26 17:25 |
Online | Online | Measurement of frequency characteristic in photodetectors using two-tone signals and estimation of non-linearity in photodetectors for wide-band signals Yuta Maeda, Nonoka Maniwa, Yuki Seto, Ryoga Kawabata (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) MWP2021-7 |
In wideband radio systems, radio-over-fiber would play important roles in simplification of the system. In a fiber wirel... [more] | MWP2021-7 pp.29-33 |
| MWP | 2021-05-26 17:50 |
Online | Online | Interference suppression simulation by two-tone FMCW signals in 90GHz band linear cell radar Kazunori Okuda, Tomohiko Kanaya, Satomi Masuda (Waseda Univ.), Keizo Inagaki (NICT/Waseda Univ.), Tetsuya Kawanishi (Waseda Univ./NICT) MWP2021-8 |
There is an increasing demand for automation and precision in radars that detect foreign of debris on the runway. In thi... [more] | MWP2021-8 pp.34-38 |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 13:00 |
Online | Online | Modulated signal transfer quality of long flexible waveguide Tadashi Watanabe (OLYMPUS Corp.), Kunihisa Jitsuno, Tetsuya Kawanishi (Waseda Univ.) PN2020-33 EMT2020-51 MWP2020-34 |
[more] | PN2020-33 EMT2020-51 MWP2020-34 pp.24-27 |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 14:55 |
Online | Online | Demonstration of 5G Mobile Network System based on hybrid IFoF and RoF/RoMMF links Hsuan-Yun Kao (KDDI Research), Hiroki Yasuda (Yazaki), Shota Ishimura, Kazuki Tanaka (KDDI Research), Takamitsu Aiba, Tomohiro Wakabayashi (Yazaki), Kosuke Nishimura (KDDI Research), Tetsuya Kawanishi (Waseda Univ.), Ryo Inohara (KDDI Research) PN2020-36 EMT2020-54 MWP2020-37 |
A proof-of-concept experiment is demonstrated for 5G end-to-end MFH system based on hybrid IFoF and RoF/RoMMF transmissi... [more] | PN2020-36 EMT2020-54 MWP2020-37 pp.37-41 |
| RCS | 2020-10-22 15:50 |
Online | Online | [Invited Talk]
Long-range THz transmission for mobile networks Tetsuya Kawanishi (Waseda Univ.) RCS2020-101 |
High-speed radio transmission can be realized by using THz-bands, where wide frequency bands are available for various s... [more] | RCS2020-101 p.52 |
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