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Paper Abstract and Keywords
Presentation 2017-07-27 11:25
A Study on Relationship between Ground Wind Velocity around the Earth Station and Rain Attenuation Observation at 3 Locations in Ku-Band Satellite Communications Links
Asuka Ikunami, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links are estimated from the broadcast satellite (BS) signal levels simultaneously obtained at Neyagawa campus of Osaka Electro-Communication University (Neyagawa, Osaka), its Shijonawate campus (Shijonawate, Osaka), and its high school (Moriguchi, Osaka). The speeds and directions of rain area motion are compared with the ground wind velocities observed by nearby AMeDAS stations at 3 locations from 2008 to 2011. As a result, a considerable relationship is found between them, and the ground wind directions still show correlation coefficients of around 0.5 with the directions of the rain area motion, although the directions tend to be aligned in the northeast and southwest directions corresponding to land and sea winds, respectively, along the area of Osaka plains. Thus, the AMeDAS data seems to be hopeful to determine the direction of earth stations when the site diversity techniques are conducted. Also, the ground winds from northeast are shown to be primarily detected in rain time, indicating that the land winds are superimposed on the winds associated with the rain front motions. So, some kind of corrections may be needed for the ground wind to be applied to the operation of the site diversity techniques.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite communications / Rain attenuation / Ku band / Rain area motion / Ground wind velocity / AMeDAS / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 152, SAT2017-11, pp. 27-30, July 2017.
Paper # SAT2017-11 
Date of Issue 2017-07-19 (AP), 2017-07-20 (SAT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP SAT SANE  
Conference Date 2017-07-26 - 2017-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Radio propagation, Antennas and Propagation, Sattelite Communication 
Paper Information
Registration To SAT 
Conference Code 2017-07-AP-SAT-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Relationship between Ground Wind Velocity around the Earth Station and Rain Attenuation Observation at 3 Locations in Ku-Band Satellite Communications Links 
Sub Title (in English)  
Keyword(1) Satellite communications  
Keyword(2) Rain attenuation  
Keyword(3) Ku band  
Keyword(4) Rain area motion  
Keyword(5) Ground wind velocity  
Keyword(6) AMeDAS  
1st Author's Name Asuka Ikunami  
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.)
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Date Time 2017-07-27 11:25:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-AP2017-55,IEICE-SAT2017-11 
Volume (vol) IEICE-117 
Number (no) no.150(AP), no.152(SAT) 
Page pp.55-58(AP), pp.27-30(SAT) 
#Pages IEICE-4 
Date of Issue IEICE-AP-2017-07-19,IEICE-SAT-2017-07-20 

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