| Presentation | 2015-10-08 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, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth stations at Equatorial Atmosphere Radar (EAR) in West Sumatra, Indonesia and Research Institute of Sustainable Humanosphere (RISH) of Kyoto University in Uji, Kyoto during four years from Sept.2002 to Sept.2006. The rain attenuation and its annual statistics are simultaneously calculated from the precipitation cloud echoes measured by the X-band meteorological radar, being in good agreement with the direct measurements by the satellite signals. The radar observations also indicate the decrease of time percentages in high attenuation range due to localized structure of the clouds. The duration time of rain attenuation is estimated from the horizontal distribution and moving speed of the X-band radar echoes. It is found that some of the duration time can be much longer than in Japan even for extremely large rainfall rate exceeding 50 mm/h. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Satellite communications / Rain attenuation duration time / Ku-band / Equatorial region / Rain area motion speed / X-band radar |
| Paper # | SAT2015-45 |
| Date of Issue | 2015-09-30 (SAT) |
| Conference Information | |
| Committee | SAT |
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| Conference Date | 2015/10/7(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka University Nakanoshima Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Communications, etc. (JC-SAT 2015) |
| Chair | Morio Toyoshima(NICT) |
| Vice Chair | Takatoshi Sugiyama(Kogakuin Univ.) / Toshinori Susuki(Tohoku Gakuin Univ.) |
| Secretary | Takatoshi Sugiyama(NICT) / Toshinori Susuki(NTT) |
| Assistant | |
| Paper Information | |
| Registration To | Technical Committee on Satellite Telecommunications |
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| Language | ENG-JTITLE |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Relationship between Rain Attenuation Characteristics of Ku-Band Satellite Communications Links and Convective Rain Cloud Distribution in Tropical Region |
| Sub Title (in English) | |
| Keyword(1) | Satellite communications |
| Keyword(2) | Rain attenuation duration time |
| Keyword(3) | Ku-band |
| Keyword(4) | Equatorial region |
| Keyword(5) | Rain area motion speed |
| Keyword(6) | X-band radar |
| 1st Author's Name | Keigo Takemoto |
| 1st Author's Affiliation | Osaka Electro-Communication University(Osaka Electro-Commun. Univ.) |
| 2nd Author's Name | Yoshiaki Shibagaki |
| 2nd Author's Affiliation | Osaka Electro-Communication University(Osaka Electro-Commun. Univ.) |
| 3rd Author's Name | Yasuyuki Maekawa |
| 3rd Author's Affiliation | Osaka Electro-Communication University(Osaka Electro-Commun. Univ.) |
| Date | 2015-10-08 |
| Paper # | SAT2015-45 |
| Volume (vol) | vol.115 |
| Number (no) | SAT-241 |
| Page | pp.pp.167-170(SAT), |
| #Pages | 4 |
| Date of Issue | 2015-09-30 (SAT) |