| Zhang Chaoyi (张超一),Wu Muqing,Miao Jiansong,Luan Linlin.[J].高技术通讯(英文),2013,19(4):371~377 |
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| The optimal power distribution in cooperative communication relay system |
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| DOI： |
| 中文关键词: |
| 英文关键词: relay network, power distribution, convex optimization, ellipsoid algorithm |
| 基金项目: |
| Author Name | Affiliation | | Zhang Chaoyi (张超一) | | | Wu Muqing | | | Miao Jiansong | | | Luan Linlin | |
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| 中文摘要: |
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| 英文摘要: |
| In order to optimize power utilization of relay nodes in cooperative communication, a power allocation algorithm with objective function to maximize system capacity is proposed. Based on the convex optimization theory, an ellipsoid algorithm is used to solve this problem, which could simplify the subgradient choosing steps and improve convergence stability, so that an optimized power allocation algorithm is presented. Theoretical analysis and simulation results show that the algorithm can effectively distribute the power of each node with lower complexity, and ensure the transmission capability of relay nodes in cooperative communication. |
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