| Liu Shuai(刘帅),Sun Dechun,Liu Zujun,Yi Kechu,Yang Hong,Wang Kan.[J].高技术通讯(英文),2019,25(4):369~377 |
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| Outage performance of cognitive multisource multidestination relay networks with imperfect channel state information and interference from primary transmitter |
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| DOI：doi：10.3772/j.issn.1006-6748.2019.04.004 |
| 中文关键词: |
| 英文关键词: outage performance, cognitive network, channel state information (CSI), primary transmitter |
| 基金项目: |
| Author Name | Affiliation | | Liu Shuai(刘帅) | | | Sun Dechun | | | Liu Zujun | | | Yi Kechu | | | Yang Hong | | | Wang Kan | |
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| 中文摘要: |
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| 英文摘要: |
| Given imperfect channel state information (CSI) and considering the interference from the primary transmitter, an underlay cognitive multisource multidestination relay network is proposed. A closed-form exact outage probability and asymptotic outage probability are derived for the secondary system of the network. The results show that the outage probability is influenced by the source and destination number, the CSI imperfection as well as the interference from the primary transmitter, while the diversity order is independent of the CSI imperfection and the interference from the primary transmitter, yet it is equal to the minimum of the source and destination number. Moreover, extensive simulations are conducted with different system parameters to verify the theoretical analysis. |
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