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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-04-11 13:50 |
Hyogo | KOBE PORT OASIS (Primary: On-site, Secondary: Online) |
Statistics of the maximum rainfall for N years in Japan Yoshio Karasawa  AP2024-3 |
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. This report is a se... [more] | AP2024-3 pp.13-18 |
| MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:25 |
Tokyo | TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
A study on the rain attenuation duration characteristics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT Corporation) SAT2023-5 MICT2023-5 |
The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured ... [more] | SAT2023-5 MICT2023-5 pp.20-25 |
| RCS | 2023-04-13 13:45 |
Shimane | Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Development of millimeter-wave wireless communication systems for the Tokaido Shinkansen Yoshihiro Matsumura, Takeshi Nishiyama, Tomoyuki Tange, Eishi Sasaki (JR-Tokai), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio-U) RCS2023-6 |
The Tokaido Shinkansen uses digital LCX train radio for communication between control center and train crews. We have be... [more] | RCS2023-6 pp.26-31 |
| SR, UWT (Joint) |
2023-01-27 11:30 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Development of wireless communication devices and antennas for the Tokaido Shinkansen Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama, Eishi Sasaki (JR-Central), Kengo Nishimoto, Hiroyuki Akutsu (Mitsubishi Electric), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio) SR2022-77 |
This paper outlines the development process of a new type of electrostatic antenna and millimeter-wave train radio for t... [more] | SR2022-77 pp.28-34 |
| SAT, KOSST | 2022-10-06 16:05 |
Fukuoka | (Primary: On-site, Secondary: Online) |
Recent increase in rain attenuation statistics of Ku-band satellite communications links and its relation to the climate change Shoya Funo, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2022-47 |
Rain attenuation statistics of the Ku-band BS radio wave (11.84 GHz) measured over 30 years at Osaka Electro-Communicati... [more] | SAT2022-47 pp.16-19 |
| AP | 2021-10-07 09:00 |
Online | Online | [Tutorial Lecture]
A Study on the Measurement and Estimation Methods of Rain Attenuation Characteristics in Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2021-68 |
Rain attenuation characteristics of Ka and Ku band satellite communication links are presented using the domestic CS (19... [more] | AP2021-68 pp.1-6 |
| SAT | 2021-10-08 11:00 |
Online | Online | Relationship between rain attenuation characteristics and rain area distribution on the propagation path of satellite communications links Yasuyuki Maekawa,, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-49 |
Rain attenuation characteristics due to the passage of rain areas are discussed using the Ku-band BS satellite signal ob... [more] | SAT2021-49 pp.32-35 |
| RCS, SAT (Joint) |
2021-08-27 10:30 |
Online | Online | [Encouragement Talk]
The effects of upper air rain area velocities on the rain attenuation characteristics in satellite communications links Yasuyuki Maelawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-34 |
Rain attenuation characteristics due to rain area motion associated with rain front passage are investigated for the equ... [more] | SAT2021-34 pp.33-36 |
| 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 |
| 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 |
| 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 |
| 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 |
| SAT | 2017-10-26 15:40 |
Okinawa | Okinawa Cellular Telephone Company | Recent Tendencies of Increase in Yearly Cumulative Time Percentages of Rain Attenuation in Ku-Band Satellite Communications Links Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2017-46 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] | SAT2017-46 pp.55-58 |
| AP, SAT, SANE (Joint) |
2016-07-22 10:55 |
Hokkaido | Otaru port marina | Long-term Statistics of Rain Attenuation and Their Recent Trend in Ku-Band Satellite Communications Links Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Com. Univ.) AP2016-58 SAT2016-24 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] | AP2016-58 SAT2016-24 pp.119-122(AP), pp.73-76(SAT) |
| AP | 2016-05-19 14:50 |
Hyogo | kobe Univ. | Long-term Yearly Variation of Rain Attenuation Statistics in Ku-Band Satellite Communications Links Yasuyuki Maekawa, Hidemi Miura (Osaka Electro-Commun. Univ.) AP2016-20 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] | AP2016-20 pp.23-26 |
| EST | 2015-09-03 10:30 |
Okinawa | Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan | Statistical Analysis of Rain Toward Route Switching of Millimeter-Wave Wireless Network Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Riichiro Nagareda, Akira Yamaguchi (KDDI Labs.), Hitoshi Nagahori, Toru Taniguchi (JRC) EST2015-54 |
Statistic properties of rainfall in Tokyo are presented in this report. Average rain duration as a function of rain rate... [more] | EST2015-54 pp.7-11 |
| AP, SAT (Joint) |
2014-07-24 16:00 |
Gifu | Gero Citizen Hall | [Tutorial Lecture]
Diversity techniques to compensate rain attenuation for millimeter-wave satellite communications Wataru Chujo (Meijo Univ.), Takeshi Manabe (Osaka Pref. Univ.), Shinichi Yamamoto (NICT) AP2014-58 SAT2014-13 |
We introduce diversity techniques to compensate degradation of the satellite communication quality due to rainfall atten... [more] | AP2014-58 SAT2014-13 pp.57-60(AP), pp.7-10(SAT) |
| AP, SAT (Joint) |
2014-07-25 10:55 |
Gifu | Gero Citizen Hall | A Study of Rain Attenuation on Short-term Rainfall in Some Points with Different Yearly Rainfall Rates
-- A Basic Study for Compensation of Rain Attenuation by Locally Variable EIRP System for 21GHz-band Broadcasting Satellites -- Masashi Kamei, Susumu Nakazawa, Shoji Tanaka (NHK) AP2014-62 SAT2014-15 |
Satellite broadcasting in the band 21.4 - 22.0 GHz is expected to provide advanced broadcasting services such as UHDTV a... [more] | AP2014-62 SAT2014-15 pp.79-83(AP), pp.17-21(SAT) |
| SIS | 2013-12-13 10:00 |
Tottori | Torigin Bunka Kaikan (Tottori) | Detection of Sporadic Heavy Rain Using Rainfall Attenuation in Microwave Mesh Network Gemalyn Abrajano, Takeshi Higashino, Minoru Okada (NAIST) SIS2013-46 |
Since microwave links are greatly attenuated by rainfall, information on rainfall attenuation can be used to detect and ... [more] | SIS2013-46 pp.105-110 |
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