| Presentation | 2012-01-27 A Study on Resource Allocation for Spectrum Shadowring Utilizing Cooperative Interference Estimation Daiki HOSHI, Kenta UMEBAYASHI, Yasuo SUZUKI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this paper, we investigate a method to set the maximum allowable transmit power for secondary system (SS) in a spectrum sharing between primary system (PS) and SS. In conventional power allocation method in the spectrum sharing, it was assumed that location information not only of secondary users (SUs) but also of primary users (PUs) are available at the SS. Thus it is possible to achieve a target outage probability which indicates a probability that the interference power exceed the threshold. In this paper, the SS does not have location information and the SS employ a method to set a maximum allowable transmit power satisfying the target outage probability. In this method, SS needs to estimate a distance between the PS and the SS and we derive analysis of estimator when the distance is fixed. The estimation is random process due to shadowing. Thus we employ a margin in the maximum allowable transmit power setting to satisfy the outage probability. Next we consider a situation where the distance is unknown. We propose a method to set a margin by considering the worst case based on the above analysis. we develop an method to set a maximum allowable transmit power satisfying the target outage probability. At first, we derive a statistical analysis of the interference power estimation with fixed distance between the the SS and the PS. Based on this analysis, it is possible to set a maximum allowable transmit power to satisfy a target outage probability. We propose a method to set maximum allowable transmit power in the power allocation based on the interference estimation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cognitive radio / Resource allocation / Interference estimation / Cooperative process |
| Paper # | SR2011-90 |
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| Conference Information | |
| Committee | SR |
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| Conference Date | 2012/1/19(1days) |
| Place (in Japanese) | (See Japanese page) |
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| 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 Resource Allocation for Spectrum Shadowring Utilizing Cooperative Interference Estimation |
| Sub Title (in English) | |
| Keyword(1) | Cognitive radio |
| Keyword(2) | Resource allocation |
| Keyword(3) | Interference estimation |
| Keyword(4) | Cooperative process |
| 1st Author's Name | Daiki HOSHI |
| 1st Author's Affiliation | Department of Erectrical Engineering, Graduate School of Engineering, Tokyo University of Agriculture and Technorogy() |
| 2nd Author's Name | Kenta UMEBAYASHI |
| 2nd Author's Affiliation | Department of Erectrical Engineering, Graduate School of Engineering, Tokyo University of Agriculture and Technorogy |
| 3rd Author's Name | Yasuo SUZUKI |
| 3rd Author's Affiliation | Department of Erectrical Engineering, Graduate School of Engineering, Tokyo University of Agriculture and Technorogy |
| Date | 2012-01-27 |
| Paper # | SR2011-90 |
| Volume (vol) | vol.111 |
| Number (no) | 417 |
| Page | pp.pp.- |
| #Pages | 7 |
| Date of Issue | |