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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2024-02-09 10:45 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
A study on the rain attenuation statistics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT)  SAT2023-71 |
The signal levels of Ku-band BS broadcast radio wave and JCSAT-5A beacon radio wave have been simultaneously measured at... [more] | SAT2023-71 pp.63-68 |
| 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 |
| SAT, KOSST | 2022-10-06 16:55 |
Fukuoka | (Primary: On-site, Secondary: Online) |
A study on Site Diversity Effect between Different Satellites using Rain Attenuation Characteristics of Ku-band Satellite Communication Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT) SAT2022-48 |
The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured ... [more] | SAT2022-48 pp.20-24 |
| 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 |
| WBS, RCC, SAT, MICT (Joint) [detail] |
2021-05-21 13:25 |
Online | Online (Zoom) | Relationship between cumulative time percentages and equivalent path lengths of rain attenuation in Ku-band satellite communication links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) WBS2021-19 RCC2021-19 SAT2021-17 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] | WBS2021-19 RCC2021-19 SAT2021-17 pp.101-106(WBS), pp.101-106(RCC), pp.89-94(SAT) |
| 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 | 2017-04-20 15:15 |
Osaka | Osaka university | Relationship between Tropospheric Scintillation and Atmospheric Turbulence in High Elevation Angle Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Comun. Univ.) AP2017-9 |
Variations of Ku-band satellite signal level with periods from a few to a few ten minutes caused by tropospheric scintil... [more] | AP2017-9 pp.47-50 |
| 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 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 13:35 |
Okinawa | Okinawa Prefectural Museum & Art Museum | C/Ku-Band Reflector Antenna for QZSS Tracking Control Stations Tomohiro Takahashi, Hiroto Ado (Mitsubishi Electric), Syuji Kawano (Mitsubishi Electric Engineering), Koji Yoshida, Hidenori Yukawa, Tetsu Owada, Tomohiro Mizuno, Hiroyuki Sato (Mitsubishi Electric) AP2015-133 SAT2015-55 |
The Quasi-Zenith Satellite System (QZSS) is a Japanese satellite positioning system for the realization of more precise ... [more] | AP2015-133 SAT2015-55 pp.135-140(AP), pp.41-46(SAT) |
| SAT | 2015-10-08 16:10 |
Osaka | Osaka University Nakanoshima Center | Relationship between Rain Attenuation Characteristics of Ku-Band Satellite Communications Links and Convective Rain Cloud Distribution in Tropical Region Keigo Takemoto, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2015-45 |
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] | SAT2015-45 pp.167-170 |
| AP | 2014-05-30 09:45 |
Okinawa | Okinawa Industory Support Center | Relationship between Rain Attenuation Duration Time of Ku-Band Satellite Communications Links and Speeds of Rain Area Motion in Equatorial Region Yasuyuki Maekawa, Keigo Takemoto, Akihiro Tama, Yoshiaki Shibagaki (Osaka Electro-Comm. Univ.) AP2014-29 |
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] | AP2014-29 pp.59-62 |
| AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa | The Kanazawa Theatre | Effects of rain clouds in the wet season on the Ku-band satellite communications links in the tropical region Akihiro Tama, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) |
Rain attenuation characteristics of Ku-band satellite communications links are investigated in the wet season of the tro... [more] | |
| AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa | The Kanazawa Theatre | Effects of rain clouds in the dry season on the Ku-band satellite communications links in the tropical region Keigo Takemoto, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) |
Rain attenuation characteristics of Ku-band satellite communications inks are investigated in the dry season of the trop... [more] | |
| MW (Workshop) |
2012-08-08 - 2012-08-10 |
Overseas | Chulalongkorn University, Bangkok, Thailand | Ku-Band Microstrip Phased Array Antenna for Thaicom Satellite Reception Narong Borijindakul, Chuwong Phongcharoenpanich (KMITL), Bunphot Kliaphuangphit (THAICOM Plc.) |
A study of microstrip phased array antenna is presented in this paper. Emphasis is on exploring the potential of such ar... [more] | |
| SAT, SANE (Joint) |
2012-02-16 13:00 |
Mie | Analysis of Ka- and Ku-band satellite availability and frequency diversity during rain using duration time Takuya Teramoto, Wataru Chujo (Meijo Univ.), Takeshi Manabe (Osaka Prefecture Univ.), Shinichi Yamamoto (NICT) SAT2011-65 |
Availability and communication capacity of Ka- and Ku-band satellites during rain using duration time were analyzed. Fir... [more] | SAT2011-65 pp.1-6 |
|
| SAT | 2011-12-12 16:35 |
Aichi | Nagoya University | Comparison of Rain Attenuation for Frequency Diversity Using a Satellite with Ku-, Ka-Band and Millimeter-Wave Frequencies Naresh Tripathi, Ayumi Sato, Wataru Chujo (Meijo Univ.), Takeshi Manabe (Osaka Prefecture Univ.), Sin-ichi Yamamoto (NICT) SAT2011-60 |
In this paper, the attenuation of the Ka-band frequency during rain is calculated by time-series of measured attenuation... [more] | SAT2011-60 pp.125-130 |
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