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| Presentation | 2009-01-23 15:20 A Study on the Weighted Cooperative Sensing Method based on Estimated Received Signal Power in Fading Environment Hironori Tsuchiya, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology)  SR2008-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This report presents a sensing technique for the spectrum sharing system by a existing system, called primary system, and a new wireless radio system which equips the cognitive radio techniques and called secondary system. We focus on the cooperative sensing technique where observations by secondary users are fused to achieve accurate detection performance. It has been known that a usage of weight based on received signal power can improve the sensing performance. However, it is difficult to estimate the received signal power in such a low SNR environment. In this report, we tackle this problem. First, received signal power estimation accuracy is deteriorated by detection failure. In addition, we assume a fading environment which makes the estimation difficult. Multiple antenna elements technique is employed and we have evaluated the weighted cooperative sensing with the multiple antenna elements and shown that a suitable performance can be achieved in low SNR and fading environment. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive radio / Spectrum sensing / Cooperative sensing / Fading Environment / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 400, SR2008-84, pp. 97-102, Jan. 2009. | |
| Paper # | SR2008-84 | |
| Date of Issue | 2009-01-15 (SR) | |
| 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 | SR2008-84 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2009-01-22 - 2009-01-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Cognitive radio, invited talk, and general session |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2009-01-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on the Weighted Cooperative Sensing Method based on Estimated Received Signal Power in Fading Environment |
| Sub Title (in English) | |
| Keyword(1) | Cognitive radio |
| Keyword(2) | Spectrum sensing |
| Keyword(3) | Cooperative sensing |
| Keyword(4) | Fading Environment |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Hironori Tsuchiya |
| 1st Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 2nd Author's Name | Kenta Umebayashi |
| 2nd Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 3rd Author's Name | Yukihiro Kamiya |
| 3rd Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 4th Author's Name | Yasuo Suzuki |
| 4th Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
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| Speaker | Author-1 |
| Date Time | 2009-01-23 15:20:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2008-84 |
| Volume (vol) | vol.108 |
| Number (no) | no.400 |
| Page | pp.97-102 |
| #Pages | 6 |
| Date of Issue | 2009-01-15 (SR) |
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