Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network
An improved cooperative spectrum sensing scheme based on dempster-shafer evidence theory in cognitive radio networks was proposed.In the local sensing period,the projection approximation algorithm was introduced to reduce bandwidth for cooperation.In the fusion period,credibility was calculated by t...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2014-03-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.03.019/ |
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| _version_ | 1841539736130289664 |
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| author | Mei-ting YU Lin-jing ZHAO Zhao LI |
| author_facet | Mei-ting YU Lin-jing ZHAO Zhao LI |
| author_sort | Mei-ting YU |
| collection | DOAJ |
| description | An improved cooperative spectrum sensing scheme based on dempster-shafer evidence theory in cognitive radio networks was proposed.In the local sensing period,the projection approximation algorithm was introduced to reduce bandwidth for cooperation.In the fusion period,credibility was calculated by the distance between evidence vectors of different secondary users and adopted as the weights to combine different local sensing data.The new scheme reduces channel bandwidth and simulation results show that the new scheme improves the performance under the condition of high level conflict. |
| format | Article |
| id | doaj-art-6aeae0b603ed42d994713c8b7e22326d |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2014-03-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-6aeae0b603ed42d994713c8b7e22326d2025-01-14T06:43:00ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2014-03-013516817359680387Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio networkMei-ting YULin-jing ZHAOZhao LIAn improved cooperative spectrum sensing scheme based on dempster-shafer evidence theory in cognitive radio networks was proposed.In the local sensing period,the projection approximation algorithm was introduced to reduce bandwidth for cooperation.In the fusion period,credibility was calculated by the distance between evidence vectors of different secondary users and adopted as the weights to combine different local sensing data.The new scheme reduces channel bandwidth and simulation results show that the new scheme improves the performance under the condition of high level conflict.http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.03.019/cooperative spectrum sensingdata fusiondempster-shafer theory of evidencehigh level conflict |
| spellingShingle | Mei-ting YU Lin-jing ZHAO Zhao LI Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network Tongxin xuebao cooperative spectrum sensing data fusion dempster-shafer theory of evidence high level conflict |
| title | Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network |
| title_full | Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network |
| title_fullStr | Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network |
| title_full_unstemmed | Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network |
| title_short | Improved cooperative spectrum sensing scheme based on dempster-shafer theory in cognitive radio network |
| title_sort | improved cooperative spectrum sensing scheme based on dempster shafer theory in cognitive radio network |
| topic | cooperative spectrum sensing data fusion dempster-shafer theory of evidence high level conflict |
| url | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.03.019/ |
| work_keys_str_mv | AT meitingyu improvedcooperativespectrumsensingschemebasedondempstershafertheoryincognitiveradionetwork AT linjingzhao improvedcooperativespectrumsensingschemebasedondempstershafertheoryincognitiveradionetwork AT zhaoli improvedcooperativespectrumsensingschemebasedondempstershafertheoryincognitiveradionetwork |