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| Presentation | 2009-03-09 11:15 Cooperative Spectrum Sensing Techniques Using Decision Comparison for Cognitive Radio Systems Including Malicious Nodes Toru Sakaguchi, Tomoaki Ohtsuki (Keio Univ.)  IT2008-73 ISEC2008-131 WBS2008-86 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We consider cooperative spectrum sensing based on energy detection. The performance of cooperative spectrum sensing is largely degraded if there are some malfunctioning sensing devices. As methods to mitigate the effects of malicious nodes on cooperative spectrum sensing, pre-filtering and weighting of the sensing data are shown to be effective. As malicious nodes, three types of the nodes that regularly produce false values far above or below the threshold have been considered. However, anything other than the three kinds of malicious nodes has not been considered. In this report, we present techniques to identify not only malicious nodes that give false values far above or below the threshold but also malicious nodes that give false values slightly above or below the threshold or random false values, and to mitigate their harmful effects on the cooperative spectrum sensing. By results of simulations, we show that the algorithm proposed by us can identify all those malicious nodes, and can mitigate their harmful effects. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / Cooperative Spectrum Sensing / Energy Detection / Malicious Node / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 474, WBS2008-86, pp. 185-192, March 2009. | |
| Paper # | WBS2008-86 | |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) | |
| 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 | IT2008-73 ISEC2008-131 WBS2008-86 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2009-03-09 - 2009-03-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate Mirai Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2009-03-WBS-IT-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Cooperative Spectrum Sensing Techniques Using Decision Comparison for Cognitive Radio Systems Including Malicious Nodes |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Cooperative Spectrum Sensing |
| Keyword(3) | Energy Detection |
| Keyword(4) | Malicious Node |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Toru Sakaguchi |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Tomoaki Ohtsuki |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-03-09 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | IT2008-73, ISEC2008-131, WBS2008-86 |
| Volume (vol) | vol.108 |
| Number (no) | no.472(IT), no.473(ISEC), no.474(WBS) |
| Page | pp.185-192 |
| #Pages | 8 |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) |
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