Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
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 |
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) |
2014-07-25 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 |
SANE |
2011-10-18 13:45 |
Overseas |
Udayana University, Bali, Indonesia |
OBSERVATION OF INDONESIAN RAINFALL VARIABILITY USING TRMM SATELLITE DATA Abd. Rahman As-syakur, Takahiro Osawa (Udayana Univ.) SANE2011-87 |
The rainfall characteristics in Indonesia is important to understand climate system in the word because Indonesian archi... [more] |
SANE2011-87 pp.131-136 |
AP, SAT (Joint) |
2010-07-22 11:15 |
Hokkaido |
Kitami Inst. Tech. |
An Improvement of the Accurate Estimation Scheme of 1-min Rainfall Rate Statistics from the 1-min Rainfall Data Provided by the Japan Meteorology Agency Ryohei Jozaki, Takeshi Manabe (Osaka Prefecture Univ.), Shinichi Yamamoto (NICT), Wataru Chujo (Meijo Univ.) AP2010-53 |
It is important to predict rain attenuation statistics in designing wireless communication links. In predicting rain att... [more] |
AP2010-53 pp.87-92 |
ET |
2008-01-26 10:55 |
Ibaraki |
Tsukuba Univ. of Technology |
A Science Education Support System based on Drainage Rate of Rock Norihiko Hatano, Tokuro Matsuo (Yamagata Univ.) ET2007-72 |
In Science education in Primary schools and junior high school, students sometimes handle the object
of learning issues... [more] |
ET2007-72 pp.19-24 |