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| Presentation | 2019-10-11 09:50 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 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from long-term Ku-band satellite signal observations conducted at Osaka Electro-Communication University in Neyagawa, Osaka, Japan for the past 31 years from 1988 to 2018. The recent increase in yearly rain attenuation statistics seems to be caused by the increase of equivalent rain path length for the past thirteen years. However, this increase of the path length is not simply explained in term of the rise of the rain height proportional to the ground temperature, but rather related to the occurrence of rain attenuation due to tropical-type rainfall such as shower and typhoon in summer time. Compared with the ITU-R predictions, the recent attenuation statistics are not fully explained by the rise of the rain height from 4 to 5km either. Instead, the horizontal reduction factor and the vertical adjustment factor are suggested to be increased by 20 % or so. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Satellite communications / Rain attenuation / Rainfall rate / Ku-band / Long-term statistics / ITU-R prediction / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 220, SAT2019-57, pp. 61-64, Oct. 2019. | |
| Paper # | SAT2019-57 | |
| Date of Issue | 2019-10-03 (SAT) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SAT2019-57 |
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| Conference Information | |
| Committee | SAT |
| Conference Date | 2019-10-10 - 2019-10-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | JR HAKATA CITY {10F RoomA+B} |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2019-10-SAT |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links |
| Sub Title (in English) | |
| Keyword(1) | Satellite communications |
| Keyword(2) | Rain attenuation |
| Keyword(3) | Rainfall rate |
| Keyword(4) | Ku-band |
| Keyword(5) | Long-term statistics |
| Keyword(6) | ITU-R prediction |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kosuke Yamasaki |
| 1st Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Comm. Univ.) |
| 2nd Author's Name | Yasuyuki Maekawa |
| 2nd Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Comm. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-11 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2019-57 |
| Volume (vol) | vol.119 |
| Number (no) | no.220 |
| Page | pp.61-64 |
| #Pages | 4 |
| Date of Issue | 2019-10-03 (SAT) |
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