| Presentation | 2008-05-29 An OFDM Subcarrier Mapping Based Information Exchanging Method for Cooperative Sensing Mai Ota, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this paper, we propose an information exchanging method using OFDM subcarrier mapping for cooperative sensing in cognitive radio systems. A cognitive radio technology can improve the spectrum efficiency by sharing the spectrum according to the recognized surrounding wireless environment around cognitive users. In cognitive radio systems, the secondary users are necessary to detect the existence of the primary user. As one of the techniques to improve the detection performance of the primary system, cooperative sensing methods by using surrounding cooperation nodes are considered. In such system, the master detection node has to collect the sensing results of the surrounding nodes. However, the methods that exchange the measured information from the sensing nodes to the master node have not been discussed. Therefore, in this paper, we propose a novel information exchanging method by using OFDM subcarrier mapping according to the measured signal power of surrounding sensing nodes. By using the proposed method, we can reduce the spectrum resource for exchanging the information from the sensing nodes to the master node. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cognitive Radio / Cooperative Sensing / OFDM signal / Information Exchanging |
| Paper # | SR2008-7 |
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| Conference Information | |
| Committee | SR |
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| Conference Date | 2008/5/22(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 | KOR |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An OFDM Subcarrier Mapping Based Information Exchanging Method for Cooperative Sensing |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Cooperative Sensing |
| Keyword(3) | OFDM signal |
| Keyword(4) | Information Exchanging |
| 1st Author's Name | Mai Ota |
| 1st Author's Affiliation | AWCC, The University of Electro-Communications() |
| 2nd Author's Name | Takeo Fujii |
| 2nd Author's Affiliation | AWCC, The University of Electro-Communications |
| 3rd Author's Name | Kazushi Muraoka |
| 3rd Author's Affiliation | System Platforms Research Laboratories, NEC Corporation |
| 4th Author's Name | Masayuki Ariyoshi |
| 4th Author's Affiliation | System Platforms Research Laboratories, NEC Corporation |
| Date | 2008-05-29 |
| Paper # | SR2008-7 |
| Volume (vol) | vol.108 |
| Number (no) | 62 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |