Research on cognitive user pairing and cooperative sensing
Aim at the shortages of the cooperative algorithm in sensing and time slot spent,an optimal cognitive users pairing and cooperative sensing algorithm was proposed.To achieve the best sensing performance,the pairing criterion was adopted where the one with the best receive SNR was used for the sense...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2012-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)01-0128-08/ |
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| _version_ | 1841539939925229568 |
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| author | Zhi-hua BAO Shi-bing ZHANG Xiao-ge ZHANG Gong-an QIU |
| author_facet | Zhi-hua BAO Shi-bing ZHANG Xiao-ge ZHANG Gong-an QIU |
| author_sort | Zhi-hua BAO |
| collection | DOAJ |
| description | Aim at the shortages of the cooperative algorithm in sensing and time slot spent,an optimal cognitive users pairing and cooperative sensing algorithm was proposed.To achieve the best sensing performance,the pairing criterion was adopted where the one with the best receive SNR was used for the sense user and the one with the second-best receive SNR was used for the relay.According to optimizing cooperation threshold,non-cooperative or cooperative mode was selected,which made time slot spent much lower but sensing ability slight decreasing.Meanwhile,a lower bound of the detection probability and the time slot spent were derived in Rayleigh flat fading channels.Numerical results show the proposed algorithm has higher detection probability and lower time slot spent than the existing one. |
| format | Article |
| id | doaj-art-5d6d7627fc1742918ba079178696cf42 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2012-01-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-5d6d7627fc1742918ba079178696cf422025-01-14T06:30:58ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2012-01-013312813559659646Research on cognitive user pairing and cooperative sensingZhi-hua BAOShi-bing ZHANGXiao-ge ZHANGGong-an QIUAim at the shortages of the cooperative algorithm in sensing and time slot spent,an optimal cognitive users pairing and cooperative sensing algorithm was proposed.To achieve the best sensing performance,the pairing criterion was adopted where the one with the best receive SNR was used for the sense user and the one with the second-best receive SNR was used for the relay.According to optimizing cooperation threshold,non-cooperative or cooperative mode was selected,which made time slot spent much lower but sensing ability slight decreasing.Meanwhile,a lower bound of the detection probability and the time slot spent were derived in Rayleigh flat fading channels.Numerical results show the proposed algorithm has higher detection probability and lower time slot spent than the existing one.http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)01-0128-08/spectrum sensingcooperative diversitydetection probabilitytime slot spending |
| spellingShingle | Zhi-hua BAO Shi-bing ZHANG Xiao-ge ZHANG Gong-an QIU Research on cognitive user pairing and cooperative sensing Tongxin xuebao spectrum sensing cooperative diversity detection probability time slot spending |
| title | Research on cognitive user pairing and cooperative sensing |
| title_full | Research on cognitive user pairing and cooperative sensing |
| title_fullStr | Research on cognitive user pairing and cooperative sensing |
| title_full_unstemmed | Research on cognitive user pairing and cooperative sensing |
| title_short | Research on cognitive user pairing and cooperative sensing |
| title_sort | research on cognitive user pairing and cooperative sensing |
| topic | spectrum sensing cooperative diversity detection probability time slot spending |
| url | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)01-0128-08/ |
| work_keys_str_mv | AT zhihuabao researchoncognitiveuserpairingandcooperativesensing AT shibingzhang researchoncognitiveuserpairingandcooperativesensing AT xiaogezhang researchoncognitiveuserpairingandcooperativesensing AT gonganqiu researchoncognitiveuserpairingandcooperativesensing |