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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| MWP | 2020-10-21 16:10 |
Online | Online | Transmission Characteristics of 28-GHz Band Analog Radio over Fiber Employing Single-Mode/Multi-Mode VCSEL Hiroki Yasuda, Takamitsu Aiba, Hiroshi Ishida, Tomohiro Wakabayashi (Yazaki), Tetsuya Kawanishi (Waseda Univ.) MWP2020-29 |
In 28-GHz band, we would have many radio-wave signal insensitive areas due to shadowing effect by building walls. Radio ... [more] | MWP2020-29 pp.15-19 |
| CS, IN, NS, NV (Joint) |
2020-09-10 11:15 |
Online | Online | [Invited Lecture]
Study on short distance in-vehicle transmision of 28 GHz band 5G signal employing radio over fiber Takamitsu Aiba, Toshinori Suzuki, Hiroki Yasuda, Satoshi Tanaka (YAZAKI), Atsushi Kanno, Nookatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.), Tomohiro Wakabayashi (YAZAKI) CS2020-37 |
[more] | CS2020-37 pp.15-19 |
| R, LQE, OPE, CPM, EMD | 2020-08-28 15:35 |
Online | Online | [Invited Talk]
Multi-pixel type photodetector and its application for coherent receiver Toshimasa Umezawa, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Uni.) R2020-16 EMD2020-15 CPM2020-8 OPE2020-28 LQE2020-8 |
[more] | R2020-16 EMD2020-15 CPM2020-8 OPE2020-28 LQE2020-8 pp.33-37 |
| SRW | 2020-08-25 13:00 |
Online | Online | [Invited Talk]
Future prospective of over 1km high-speed THz wireless transmission Tetsuya Kawanishi (Waseda Univ.) SRW2020-22 |
High-speed wireless data transfer can be realized by using radio-waves in THz-bands, where wide frequency bands are avai... [more] | SRW2020-22 pp.61-65 |
| SRW | 2020-08-25 13:50 |
Online | Online | [Invited Talk]
Evaluation of Antenna and Propagation Models for beyond 5G System Akihiko Hirata (CIT), Shintaro Hisatake (Gifu Univ.), Tetsuya Kawanishi (Waseda Univ.) SRW2020-23 |
[more] | SRW2020-23 pp.67-70 |
| EMT, MW, OPE, EST, MWP, THz, IEE-EMT [detail] | 2020-07-16 10:00 |
Online | Online | In-vehicle cable wiring transmission of 5G-NR radio signal employing radio over multi-mode fiber Takamitsu Aiba, Toshinori Suzuki, Shota Kunikata, Hiroki Yasuda, Satoshi Tanaka (YAZAKI), Atsuhi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.), Tomohiro Wakabayshi (YAZAKI) EMT2020-6 MW2020-15 OPE2020-1 EST2020-6 MWP2020-6 |
[more] | EMT2020-6 MW2020-15 OPE2020-1 EST2020-6 MWP2020-6 pp.1-5 |
| MWP | 2020-05-28 15:05 |
Online | Online | Study on improvement of frequency flatness for analog radio over fiber subsystem with coupling transmission line Satoshi Tanaka, Takamitsu Aiba, Toshinori Suzuki, Hiroki Yasuda (YAZAKI Corp.), Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.), Tomohiro Wakabayashi (YAZAKI Corp.) MWP2020-3 |
The analog radio over fiber (A-RoF) employing directly modulated VCSEL and multi-mode fibers is one of the technique of ... [more] | MWP2020-3 pp.13-17 |
| MWP, PN, EMT, PEM, IEE-EMT [detail] | 2020-01-30 10:35 |
Kyoto | Dosisha Univ. | Experimental Study on a Two-Frequency Secondary-Radar System Using Large Radio Anechoic Chamber Masuda Satomi, Erika Shigematsu, Kunihisa Jitsuno (Waseda Univ.), Keizo Inagaki, Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2019-36 EMT2019-76 MWP2019-50 |
[more] | PN2019-36 EMT2019-76 MWP2019-50 pp.11-14 |
| MWP, PN, EMT, PEM, IEE-EMT [detail] | 2020-01-30 13:00 |
Kyoto | Dosisha Univ. | [Invited Talk]
Short-Focus Lens Design for Terahertz Ray Keita Miyazawa (Waseda Univ.), Atsushi Kanno, Shingo Saito, Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) |
Polyethylene and polypropylene, which have high transmittance in the terahertz band, are commonly used for terahertz len... [more] | |
| MWP, PN, EMT, PEM, IEE-EMT [detail] | 2020-01-31 10:40 |
Kyoto | Dosisha Univ. | Study on Frequency Response of A-RoF Optical Module for 28 GHz Band Hiroki Yasuda (YAZAKI Corp./Waseda Univ.), Takamitsu Aiba (YAZAKI Corp.), Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.), Tomohiro Wakabayashi (YAZAKI Corp.) PN2019-48 EMT2019-88 MWP2019-62 |
[more] | PN2019-48 EMT2019-88 MWP2019-62 pp.87-91 |
| MWP, PN, EMT, PEM, IEE-EMT [detail] | 2020-01-31 12:10 |
Kyoto | Dosisha Univ. | Estimation of non-linearity in photodetectors for wide-band signals Yuichiro Ito, Yuta Maeda, Yuki Shimamura (Waseda U), Keizo Inagaki (NICT), Kunihisa Jitsuno, Tetsuya Kawanishi (Waseda U) PN2019-51 EMT2019-91 MWP2019-65 |
[more] | PN2019-51 EMT2019-91 MWP2019-65 pp.103-106 |
| MWP | 2019-11-27 16:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study of Amplifier Module for High SHF Band Analog Radio Over Multi-Mode Fiber Toshinori Suzuki, Takamitsu Aiba, Satoshi Tanaka, Hiroki Yasuda (YAZAKI Corp.), Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda U.), Tomohiro Wakabayashi (YAZAKI Corp.) MWP2019-46 |
Short distance RF transmission employing directly modulated VCSEL and multi-mode fiber can be considered sa solution for... [more] | MWP2019-46 pp.17-21 |
| MWP | 2019-11-27 16:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 30GHz bandwidth optical receiver module using flip chip assembly with micro solder ball Atsunobu Ohta, Nobuyoshi Kawaguchi, Koudai Suzuki, Atsushi Kanayama, Manabu Wakabayashi, Hachinori Ogawa, Toshio Kawai (KYOSEMI), Tetsuya Kawanishi (Waseda Univ.) MWP2019-47 |
[more] | MWP2019-47 p.23 |
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