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| Presentation | 2009-07-10 10:55 Measured Equipment Characteristics of Ku-band FSS Satellite Diversity System and Expansion to Time-delayed Diversity System Takeshi Hatsuda (HATProE), Y. Iwamori (ICOM), M. Sasaki, Y. Tushima, Noritami Yoshimura, T. Zakouji, K. Kawasaki (Skapar-JSAT), Takahisa Yamashita, Masatoshi Kuroda, Katsuki Imai (SEI Hybrid), Yasuyuki Maekawa (Osaka Elec,Com. Univ)  SAT2009-15 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To accomplish the satellite retransmission system for terrestrial digital broadcasting TV signals, attenuation due to rain or snow attachment on the antenna dish will be severe problems. To address those issues, the diversity system is effective candidate. To verify the Sat. D system characteristics of the experimental unit of the manufactured Sat. D system, measurements of the long-term propagation experiments are carried out by using the JSAT-3 （128°E） and BS (110°E） satellite signals from Nov. 2006 to Oct. 2008. The non-snow attached Lune-Q antenna is used due to multi-satellite reception ability. The measured results clarify that by using the Sat. D unit, the satellite link unavailability time percentage of the Sat. D system can be improved by approximately 1/10th, that of the value obtained without the Sat. D system. On the other hand, to obtain the attenuation characteristics from the signals of both satellites and to derive the theoretical Sat. D system characteristics, propagation experiments are carried out by using a Lune-Q antenna. To expand the capability of the availability improvement of the system, combination of the Sat. D system and Time-delayed (TDD) diversity system is examined and confirmed its effectiveness. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Parabola antenna / Lune-Q antenna / Non-snow attached Lune-Q antenna / Sat. D system / TDD system / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 118, SAT2009-15, pp. 45-50, July 2009. | |
| Paper # | SAT2009-15 | |
| Date of Issue | 2009-07-02 (SAT) | |
| ISSN | Print edition: ISSN 0913-5685 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 | SAT2009-15 |
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| Conference Information | |
| Committee | AP SAT |
| Conference Date | 2009-07-08 - 2009-07-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru city, Hokkaido |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | AP |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2009-07-AP-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measured Equipment Characteristics of Ku-band FSS Satellite Diversity System and Expansion to Time-delayed Diversity System |
| Sub Title (in English) | |
| Keyword(1) | Parabola antenna |
| Keyword(2) | Lune-Q antenna |
| Keyword(3) | Non-snow attached Lune-Q antenna |
| Keyword(4) | Sat. D system |
| Keyword(5) | TDD system |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeshi Hatsuda |
| 1st Author's Affiliation | Hatsuda Prof. Office (HATProE) |
| 2nd Author's Name | Y. Iwamori |
| 2nd Author's Affiliation | ICOM (ICOM) |
| 3rd Author's Name | M. Sasaki |
| 3rd Author's Affiliation | Skapar-JSAT (Skapar-JSAT) |
| 4th Author's Name | Y. Tushima |
| 4th Author's Affiliation | Skapar-JSAT (Skapar-JSAT) |
| 5th Author's Name | Noritami Yoshimura |
| 5th Author's Affiliation | Skapar-JSAT (Skapar-JSAT) |
| 6th Author's Name | T. Zakouji |
| 6th Author's Affiliation | Skapar-JSAT (Skapar-JSAT) |
| 7th Author's Name | K. Kawasaki |
| 7th Author's Affiliation | Skapar-JSAT (Skapar-JSAT) |
| 8th Author's Name | Takahisa Yamashita |
| 8th Author's Affiliation | SEI Hybrid (SEI Hybrid) |
| 9th Author's Name | Masatoshi Kuroda |
| 9th Author's Affiliation | SEI Hybrid (SEI Hybrid) |
| 10th Author's Name | Katsuki Imai |
| 10th Author's Affiliation | SEI Hybrid (SEI Hybrid) |
| 11th Author's Name | Yasuyuki Maekawa |
| 11th Author's Affiliation | Osaka Elec,Com. Univ. (Osaka Elec,Com. Univ) |
| Speaker | Author-1 |
| Date Time | 2009-07-10 10:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2009-15 |
| Volume (vol) | vol.109 |
| Number (no) | no.118 |
| Page | pp.45-50 |
| #Pages | 6 |
| Date of Issue | 2009-07-02 (SAT) |
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