| Presentation | 2009-01-23 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, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cognitive radio / Spectrum sensing / Cooperative sensing / Fading Environment |
| Paper # | SR2008-84 |
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| Conference Information | |
| Committee | SR |
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| Conference Date | 2009/1/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Software Radio(SR) |
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| Language | JPN |
| 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 |
| 1st Author's Name | Hironori TSUCHIYA |
| 1st Author's Affiliation | Tokyo University of Agriculture and Technology() |
| 2nd Author's Name | Kenta UMEBAYASHI |
| 2nd Author's Affiliation | Tokyo University of Agriculture and Technology |
| 3rd Author's Name | Yukihiro KAMIYA |
| 3rd Author's Affiliation | Tokyo University of Agriculture and Technology |
| 4th Author's Name | Yasuo SUZUKI |
| 4th Author's Affiliation | Tokyo University of Agriculture and Technology |
| Date | 2009-01-23 |
| Paper # | SR2008-84 |
| Volume (vol) | vol.108 |
| Number (no) | 400 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |