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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NLC, IPSJ-NL, SP, IPSJ-SLP [detail] | 2022-11-30 15:30 |
Tokyo | (Primary: On-site, Secondary: Online) |
Semi-supervised joint training of text to speech and automatic speech recognition using unpaired text data Naoki Makishima, Satoshi Suzuki, Atsushi Ando, Ryo Masumura (NTT)  NLC2022-14 SP2022-34 |
This paper presents a novel joint training of text to speech (TTS) and automatic speech recognition (ASR) with small amo... [more] | NLC2022-14 SP2022-34 pp.27-32 |
| OPE, LQE, OCS | 2022-11-18 16:05 |
Online | Online | [Special Invited Talk]
Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser Shota Ishimura (KDDI Research), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research), Susumu Noda (Kyoto Univ.) OCS2022-57 OPE2022-92 LQE2022-55 |
In this talk, we present the first demonstration of free-space optical (FSO) communication using a photonic-crystal surf... [more] | OCS2022-57 OPE2022-92 LQE2022-55 pp.25-29 |
| OFT | 2022-10-14 15:20 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
Analog IFoF Mobile Fronthaul based on SDM/WDM/SCM Accommodating 576 channel (1.314 Tbit/s) Wireless Signals Shinji Nimura, Kazuki Tanaka, Shota Ishimura, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research) OFT2022-36 |
We have demonstrated an analog IFoF-based mobile fronthaul with SCM, WDM, and SDM for the realization of cell-free massi... [more] | OFT2022-36 pp.77-80 |
| NLP, MICT, MBE, NC (Joint) [detail] |
2022-01-23 11:45 |
Online | Online | Adversarial Training with Knowledge Distillation considering Intermediate Feature Representation in CNNs Hikaru Higuchi (The Univ. of Electro-Communications), Satoshi Suzuki (former NTT), Hayaru Shouno (The Univ. of Electro-Communications) NC2021-44 |
Adversarial examples are one of the vulnerability attacks to the convolution neural network (CNN). The adversarialexampl... [more] | NC2021-44 pp.59-64 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-27 14:15 |
Online | Online | 50.47-Tb/s Coupled 4-Core Fiber Transmission over 9,150 km Daiki Soma, Shohei Beppu, Yuta Wakayama, Seiya Sumita, Hidenori Takahashi, Noboru Yoshikane, Itsuro Morita, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research) OCS2021-10 |
Since optical submarine cable systems are a part of the global communications infrastructure, their total capacity must ... [more] | OCS2021-10 pp.5-10 |
| EMCJ, MICT (Joint) |
2021-03-05 13:35 |
Online | Online | A Study of noise source identification method based on near-field measurement of switching power supplies Hiroyasu Sano, Satoshi Suzuki, Yasuaki Kaneda, Hidekatsu Sasaki (TIRI), Kenta Umebayashi (TAT) EMCJ2020-78 |
Fast switching increases the radiated noise, which is a problem that exceeds the regulation value of radiated emission t... [more] | EMCJ2020-78 pp.30-34 |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-18 15:50 |
Online | Online | Photonic generation of wideband electrical PM signal using the Armstrong method Shota Ishimura, Hsuan-Yun Kao, Kazuki Tanaka, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research, Inc.) OCS2020-43 OPE2020-80 |
Recently, there have been several reports on analog-based mobile front haul systems. We have also demonstrated high-fide... [more] | OCS2020-43 OPE2020-80 pp.1-5(OCS), pp.21-25(OPE) |
| OPE, LQE, OCS | 2019-11-11 16:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg (Tokyo) | [Special Invited Talk]
SSBI-free SSB-DD transmission scheme using phase modulation for high-quality analog mobile fronthaul Shota Ishimura, Hsuan-Yun Kao, Kazuki Tanaka,, Kosuke Nishimura, Masatoshi Suzuki (KDDI Research) OCS2019-59 OPE2019-97 LQE2019-75 |
In this invited talk, we introduce a signal-to-signal beat interference (SSBI)-free direct-detection transmission system... [more] | OCS2019-59 OPE2019-97 LQE2019-75 pp.37-41 |
| EMCJ, EMD, WPT, PEM (Joint) [detail] |
2019-07-19 13:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Radiated and Conducted Emissions Reduction for High Power WPT Systems Using Spread Spectrum Koji Ogura, Tetsu Shijo, Masatoshi Suzuki, Yasuhiro Kanekiyo, Kazuhiro Inoue, Shuichi Obayashi, Masaaki Ishida (Toshiba Corp.) EMCJ2019-34 EMD2019-15 |
EMI increases with high power over 100 kW WPT systems. Therefore, the reduction of EMI is very important. In this report... [more] | EMCJ2019-34 EMD2019-15 pp.25-30 |
| IE | 2019-06-21 13:30 |
Okinawa | An image pre-transformation method to suppress recognition errors in highly compressed images Satoshi Suzuki, Motohiro Takagi, Kazuya Hayase, Takayuki Onishi, Atsushi Shimizu (NTT) IE2019-18 |
In image recognition, it is desirable to input an original image because image distortion leads to lower accuracy. Howe... [more] |
IE2019-18 pp.7-12 |
|
| OCS, CS (Joint) |
2019-01-17 15:05 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) | [Special Invited Talk]
Technical Trends of Mobile Fronthaul/Backhaul from 5G and Beyond Kosuke Nishimura, Shota Ishimura, Abdelmoula Bekkali, Kazuki Tanaka, Haruhisa Hirayama, Yu Tsukamoto, Ryo Inohara, Shinobu Nanba, Masatoshi Suzuki (KDDI Research, Inc.) CS2018-91 |
(Advance abstract in Japanese is available) [more] | CS2018-91 pp.25-30 |
| WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi | Tohoku University | An Efficiency of Impedance Matching Approach with Lossy Elements in Wireless Power Transfer System Satoshi Suzuki, Qiang Chen, Hiroyasu Sato (Tohoku Univ.) |
Impedance matching is one of the most important theory for Wireless Power Transfer(WPT). It is to realize complex conjug... [more] | |
| WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas | National University of Singapore(AWPT2017) | High Power and Long Distance Microwave WPT using 300kW Gyrotron at 28GHz Masatoshi Suzuki, Maho Matsukura, Kohei Shimamura, Shigeru Yokota, Tsuyoshi kariya, Ryutaro Minami, Shunsuke Minakawa, Satoru Suganuma, Sei Mizojiri (Tsukuba Univ.) |
A Gyrotron, as high power millimeter wave oscillator, is used in various fields such as CVD, medical application, and s... [more] | |
| WPT, EMCJ (Joint) |
2017-11-21 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 28GHz wireless power transfer demonstration using a 300 kW Gyrotron Maho Matsukura, Masatoshi Suzuki, Kohei Shimamura, Ryutaro Minami, Tsuyoshi Kariya, Shigeru Yokota (Univ. of Tsukuba) WPT2017-52 |
A gyrotron that generates high-power millimeter-wave is used mainly in nuclear fusion research, these days used in vario... [more] | WPT2017-52 pp.45-48 |
| MWP | 2017-11-09 15:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Broadband IF-over-Fiber Transmission with Parallel IM/PM Transmitter Overcoming Dispersion-Induced RF Power Fading for High-Capacity Mobile Fronthaul Links Shota Ishimura (KDDI Research, Inc), Byung Gon Kim (KAIST), Kazuki Tanaka, Kosuke Nishimura (KDDI Research, Inc), Hoon Kim, Yun C. Chung (KAIST), Masatoshi Suzuki (KDDI Research, Inc) MWP2017-47 |
We demonstrate a high-capacity IF-over-Fiber (IFoF) transmission using a parallel Intensity modulator (IM) /phase modula... [more] | MWP2017-47 pp.13-17 |
| EE, WPT, IEE-SPC [detail] | 2017-07-27 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
6.78MHz-band rectifier with impedance matching circuit considering intrinsic ohmic loss Satoshi Suzuki (Tohoku Univ.), Shoto Ueda (Yokogawa Rental & Leese), Qiaowei Yuan (NIT, Sendai), Qiang Chen (Tohoku Univ.) EE2017-13 WPT2017-18 |
Nowadays, Wireless Power Transfer (WPT) becomes very popular. It is very important to make the efficiency of WPT system ... [more] | EE2017-13 WPT2017-18 pp.15-18 |
| MWP | 2017-05-11 14:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Optical and Radio Converged Access Network for Accommodating Mobile Services in Beyond-5G Era Kosuke Nishimura, Shinobu Nanba, Kazuki Tanaka, Shota Ishimura, Masatoshi Suzuki (KDDI Research) MWP2017-3 |
In this report, optical and radio converged access network for accommodating 5G and beyond mobile services is overviewed... [more] | MWP2017-3 pp.13-17 |
| WPT, MW | 2017-04-28 13:35 |
Tokyo | Kikai-Shinko Kaikan, B2-1 | Development of millimeter wave rectifier by MEMS technology Shunsuke Minakawa (Tsukuba Univ.), Kosumo Matsui (Tokyo Univ.), Masatoshi Suzuki, Kohei Shimamura (Tsukuba Univ.), Kimiya Komurasaki (Tokyo Univ.) WPT2017-1 MW2017-1 |
We developed a rectifier circuit of 94GHz by MEMS, and got 38±8% of rectification efficiency at the time of 104 mW, load... [more] | WPT2017-1 MW2017-1 pp.1-4 |
| WPT | 2017-02-10 13:30 |
Kanagawa | YRP center, 1st Bldg. | Wireless Rapid Charging System for Electric Bus Tetsu Shijo, Kenichirou Ogawa, Fumi Moritsuka, Masatoshi Suzuki, Hiroaki Ishihara, Yasuhiro Kanekiyo, Koji Ogura, Masaaki Ishida, Shuichi Obayashi (Toshiba) WPT2016-57 |
A wireless rapid charging system for an electric bus has been developed under the commission of Ministry of the Environm... [more] | WPT2016-57 pp.1-6 |
| WPT | 2017-02-10 13:55 |
Kanagawa | YRP center, 1st Bldg. | Improvment on wireless power transfer efficiency by using parastic coil or LC booster Qiaowei Yuan, Satoshi Suzuki, Taku Sato (NIT, Sendai College) WPT2016-58 |
[more] | WPT2016-58 pp.7-11 |
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