简化的MIMO中继波束成形次优设计
张健;徐家品
【期刊名称】《无线电工程》 【年(卷),期】2015(000)003
【摘要】传统的非再生中继方式为放大转发（ AF）方式，中继端的波束成形最终转化成功率分配的优化设计。基于特征值分解的最优方案往往计算复杂，为此基于已有的中继设计方案，利用功率约束因子简化计算过程，提出了另一种次优设计方案。仿真结果表明，该方案在减小算法复杂度的同时，也能得到较好的信道容量。在一定情况下可作为SOR方案解的近似解。%The conventional non?regenerative approach is the amplify and forward( AF) approach,The beamforming of relay termi?nal turns into optimal design for power distribution.The optimal Scheme based on eigenvalue decomposition is often complicated in cal?culation.Another suboptimal design scheme based on the existing schemes is proposed with the power constraint factor to simplify the calculation process.The simulation shows the scheme achieves preferable channel capacity and reduces the complexity of the algorithm. In certain cases it can be used as the approximate solution of SOR scheme. 【总页数】4页(37-40)
【关键词】无线中继;多输入多输出系统;信道容量;非再生转发;转发滤波器 【作者】张健;徐家品
【作者单位】四川大学，四川 成都610065;四川大学，四川 成都610065
简化的MIMO中继波束成形次优设计
