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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, ED | 2021-01-29 10:30 |
Online | Online | Study on a design theory for electromagnetically-coupled half-wavelength resonator filter Motoki Futatsuya, Toshio Ishizaki (Ryukoku Univ)  ED2020-27 MW2020-80 |
Currently, the number of small base stations is being increased with the development of 5G communication technology. In ... [more] | ED2020-27 MW2020-80 pp.1-6 |
| WPT, AP (Joint) |
2021-01-22 10:10 |
Online | Online | [Invited Lecture]
Vegetation Attenuation Characteristics at the 920 MHz Band in Farm Field Minoru Inomata, Wataru Yamada, Shoko Shinohara, Yusuke Asai (NTT) AP2020-110 |
In this paper, we investigated the vegetation attenuation characteristics at the 920 MHz band in line-of-sight (LOS) and... [more] | AP2020-110 pp.39-43 |
| NS, RCS (Joint) |
2020-12-18 10:00 |
Online | Online | A Study on Performance Analysis of Single-carrier Modulation with Frequency Domain Equalization in Millimeter-wave and Terahertz Broadband Communications Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Keita Kuriyama, Yu Ono, Hayato Fukuzono, Masafumi Yoshioka (NTT), Fumiaki Maehara (Waseda Univ.) RCS2020-143 |
This report investigates the system capacity of millimeter-wave (mm-wave) and terahertz (THz) broadband communications w... [more] | RCS2020-143 pp.50-53 |
| SAT | 2020-12-11 09:25 |
Online | Online | Rainfall Attenuation Characteristics due to Typhoon and Rain Front Passage in Satellite Communications Links Yasuyuki Maekawa, Shunichi Sasaki, Kosuke Yamasaki, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2020-24 |
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] | SAT2020-24 pp.7-12 |
| SRW | 2020-08-25 10:40 |
Online | Online | [Short Paper]
Worst-Month Statistics of Outage Probability in THz-Band Wireless Communication Systems Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang (Ibaraki Univ.) SRW2020-20 |
Very wide spectrum is available in THz-band for over 100Gbps ultra-broadband wireless communications, however THz-band o... [more] | SRW2020-20 pp.57-58 |
| EA, US (Joint) |
2020-01-23 13:10 |
Kyoto | Doshisha Univ. | Difference of edge wave generation amount for each medium and evaluation of attenuation Yuusuke Tanaka, Akira Abe, Yukio Ogura (Japan Probe) US2019-96 |
Edge waves generated during propagation of ultrasonic waves are related to the spread of the ultrasonic waves, amplitude... [more] | US2019-96 pp.143-148 |
| SAT | 2019-10-11 09:00 |
Fukuoka | JR HAKATA CITY {10F RoomA+B} | Rain Attenuation Characteristics due to Typhoon Passage in Ku-band Satellite Links Shunichi Sasaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2019-56 |
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] | SAT2019-56 pp.51-54 |
| SAT | 2019-10-11 09:50 |
Fukuoka | JR HAKATA CITY {10F RoomA+B} | A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links Kosuke Yamasaki, Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) SAT2019-57 |
A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from l... [more] | SAT2019-57 pp.61-64 |
| RCS, SAT (Joint) |
2019-08-22 09:25 |
Aichi | Nagoya University | Study of Beam Power Control Methods of Ka-band Multi-beam Broadcasting Satellite System Using Meteorological Data
-- Evaluation of the Link Quality Using AMeDAS 10-minutes Precipitation Data -- Takumi Iwamoto, Kiyotaka Fujisaki (FIT) SAT2019-18 |
In the next-generation satellite broadcasting, Ka-band is gathering attention because current Ku-band cannot accommodate... [more] | SAT2019-18 pp.7-12 |
| RCS, SR, SRW (Joint) |
2019-03-07 10:55 |
Kanagawa | YRP | Impact of Atmospheric and Rain Attenuation on Outage Probability in THz-Band Wireless Communication Systems Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2018-63 |
Very wide spectrum is available in THz-band for over 100Gbps ultra-broadband wireless communications, however THz-band o... [more] | SRW2018-63 pp.35-40 |
| SANE, SAT (Joint) |
2019-02-14 13:20 |
Kagoshima | Tanegashima Island | An attempt of rainfall estimation by monitoring broadcasting satellite combined with machine learning Ryouichi Nishimura, Byeong-Pyo Jeong, Kazuyoshi Kawasaki, Takashi Takahashi (NICT) SAT2018-79 |
Signal level observed by a BS antenna will be attenuated when it rains because of the rain attenuation. Accordingly, it ... [more] | SAT2018-79 pp.123-128 |
| EA, US (Joint) |
2019-01-22 14:00 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Basic study of measurement method of broadband ultrasonic attenuation in non-contact QUS Toshiaki Okubo, Shinnosuke Hirata, Hiroyuki Hachiya (TokyoTech) US2018-100 |
QUS is widely used as screenings of osteoporosis. In this study, a method of measurement of speed of sound (SOS) and bro... [more] | US2018-100 pp.103-106 |
| MW, ED | 2019-01-17 10:00 |
Tokyo | Hitachi, Central Research Lab. | Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) ED2018-70 MW2018-137 |
In recent years, miniaturization and high performance of base station filters are regarded as important. In a filter, by... [more] | ED2018-70 MW2018-137 pp.7-12 |
| WPT, AP (Joint) |
2019-01-17 11:35 |
Aichi | Toyota Automobile Museum | [Invited Lecture]
Dynamic rainfall intensity and rain attenuation model in Ka band satellite communication Isao Nakazawa, Yoshiya Arakaki, Kenji Suzuki, Tomoshige Kan, KazuKazuyoshi Kawasaki, Morio Toyoshima, Takashi Takahashi (NICT) AP2018-155 |
National Institute of Information and Communications Technology is advancing research projects to realize ultrahigh-spee... [more] | AP2018-155 pp.23-28 |
| US | 2018-08-30 13:55 |
Tokyo | Tokyo Institute of Technology | Prediction of tortuosity, permeability, and pore radius of marine sands Masao Kimura (Poro-Acoustics Lab) US2018-42 |
Tortuosity, permeability, and pore radius, which are parameters in the Biot model, are important for analyzing the elast... [more] | US2018-42 pp.7-12 |
| SIP | 2018-08-20 14:00 |
Tokyo | Takushoku Univ. Bunkyo Campus. | Design method of variable FIR filters with specified attenuation in part of stopband Takakazu Kimura (TUS), Toma Miyata (Salesian Polytechnic), Yoshinori Tarumoto (ISHIDA), Takahiro Natori, Naoyuki Aikawa (TUS) SIP2018-57 |
In the field of digital signal processing, the frequency characteristics may be instantaneously changed according to the... [more] | SIP2018-57 pp.1-5 |
| AP (2nd) |
2018-05-31 09:20 |
Overseas | The University of Da nang, University of Science and Technology | Estimation of High-Voltage Powerline Detection Performance in Rainfall Conditions by 76 GHz Helicopter Obstacle Detection Millimeter-Wave Radar System Kazuyuki Morioka, Norihiko Miyazaki, Shunichi Futatsumori (ENRI) |
We have been developing a small transmitting power 76 GHz millimeter-wave radar system for helicopter obstacle detection... [more] | |
| SAT, WBS (Joint) |
2018-05-24 13:55 |
Kagoshima | Kagoshima University | Recent Increasing Trend in Rain Attenuation Statistics of Ku-Band Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ) SAT2018-3 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] | SAT2018-3 pp.11-14 |
| ICD, MW | 2018-03-01 13:00 |
Shiga | The University of Shiga Prefecture | [Special Talk]
Realization of Elliptic Function Low-Pass Filter with High Attenuation
-- Strategies for High Attenuation using Enclosure Structured by Electromagnetic Shielded Walls -- Tatsuya Yokoyama, Satoshi Ono, Koji Wada (UEC) MW2017-176 ICD2017-100 |
The Low-pass Filter(LPF) characteristics having low insersion loss in the passband and high attenuation in the stopband ... [more] | MW2017-176 ICD2017-100 pp.15-20 |
| ICD, MW | 2018-03-01 13:15 |
Shiga | The University of Shiga Prefecture | [Special Talk]
Realization of High Attenuation in Stopband by Elliptic Function Type HPF
-- Characteristic Improvement by Shield Case -- Rei Abe, Satoshi Ono, Koji Wada (UEC) MW2017-177 ICD2017-101 |
In this study, elliptic function type High-pass filter(HPF) with high attenuation characteristic in the stopband is desi... [more] | MW2017-177 ICD2017-101 pp.21-26 |
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