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Committee Date Time Place Paper Title / Authors Abstract Paper #
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
AP 2019-08-21
14:35
Hokkaido Hokkai-Gakuen Univ. Long-term Statistics of Maximum Rainfall in Japan based on Statistics of Extremes
Yoshio Karasawa AP2019-49
In the first half of this report, we evaluate long-term statistics of the largest rainfall data in each year concerning ... [more] AP2019-49
pp.13-18
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
IN, ICTSSL, NWS
(Joint) [detail]
2018-10-19
14:00
Kagawa Takamatsu Shoko Kaigisyo Kaikan Research for Understanding Approximate Damage Situation after Wide-area Disaster -- A Case Study of 2018 West Japan Great Flooding --
Munenari Inoguchi (Univ. of Toyama), Keiko Tamura (Niigata Univ.), Haruo Hayashi (NIED) ICTSSL2018-34 IN2018-51
Recently many kinds of disaster occurred in anywhere of Japan, such as earthquake, typhoon and flood. 2018 Great West Ja... [more] ICTSSL2018-34 IN2018-51
pp.49-52
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
MoNA 2017-12-21
10:55
Tokyo Ochanomizu University Proposal of High Risk Priority Method for Disaster Prevention-Oriented Rainfall Information Synthesis
Hitomi Sano (Ochanomizu Univ.), Eiji Ikoma (Tokyo Univ.), Masaru Kitsuregawa (NII), Masato Oguchi (Ochanomizu Univ.) MoNA2017-30
In recent years, the phenomenon of localized bursts of rainfall has increased in Japan. For this reason, collecting and ... [more] MoNA2017-30
pp.15-18
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
IA 2017-01-27
11:05
Tokyo Kikai-Shinko-Kaikan Bldg. B3 Kenshu-2 room Development of a Rainfall Observation System utilizing 420MHz LoRa to deal with Heavy Rainfall Disaster
Hong Quan Le (Nagaoka Univ. of Technology), Tatsuhito Hoshi (Kanai Doryoukou), Hiroshi Yamamoto (Ritsumeikan Univ), Katsuyuki Yamazaki (Nagaoka Univ. of Technology) IA2016-79
In mountainous country like Japan, sand-and-stone avalanches caused by torrential or prolonged rainfall oft... [more] IA2016-79
pp.1-6
IA 2016-11-03
16:00
Overseas Taipei (Taiwan) [Poster Presentation] Development of Sensor System to Observe Rainfall and Sand-and-Stone Avalanche using 420MHz LoRa
Le Hong Quan (Nagaoka Univ. of Technology), Tatsuhito Hoshi (Kanai Doryoukou), Hiroshi Yamamoto (Ritsumeikan Univ.), Katsuyuki Yamazaki (Nagaoka Univ. of Technology) IA2016-35
In mountainous country like Japan, sand-and-stone avalanches caused by torrential or prolonged rainfall often result in ... [more] IA2016-35
pp.45-49
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
MWP 2015-05-25
13:30
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Development of the decision support system for the localized torrential rainfall and Demonstration test in Kobe city -- A fusion of the phased array weather radar data and the utilization of large-size social data --
Katsuhiro Nakagawa (NICT) MWP2015-6
Recently, localized torrential rainfall have been happened in urban area. To prevent this kind of disaster, NICT develop... [more] MWP2015-6
pp.31-34
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)
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