| 摘要: |
| 针对MIMO双向中继网络系统中,由于用户对间的数据流具有非对称性,通过研究用户对与中继之间的天线分配关系,提出了一种基于特征子矩阵的干扰对齐优化算法及可行性方案.该算法首先利用特征子矩阵准则,为每个用户设计干扰对齐预编码优化方案,然后基于分布式迭代算法逐一推导出最优的干扰抑制矩阵,以达到在目的用户端消除其他用户干扰的效果.通过仿真结果表明,与传统中继迫零方法相比较,优化算法对系统传输速率有了显著的改善. |
| 关键词: MIMO 双向中继 干扰对齐 预编码 干扰抑制 |
| DOI： |
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| An optimization algorithm based on Eigen-matrix in interference alignment for relay |
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YUAN Lili, ZHOU Xiaoping
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College of Information,Mechanical and Electrical Engineering,Shanghai Normal University
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| Abstract: |
| For MIMO two-way relay network system,the data flow is asymmetric among users,bystudying the users with antenna distribution relationship between the relay,this paper propose optimization algorithm based on Eigen-matrix and the feasibility of the scheme.At first,this algorithm use rule of Eigen-matrix,it design optimization scheme of interference alignment for each user,at second,based on the distributed iterative algorithm to deduce the optimum matrix of interference suppression.In order to achieve the effect that in the purpose of each client to eliminate interference with other users.Through the simulation results show that the proposed algorithm than the traditional relay forced zero method on the system total rate has increased significantly. |
| Key words: MIMO two-way relay interference alignment precoding interference alignment |
