基于目标转换的低复杂度幂次迭代混合预编码算法  

Low Complexity Power Iterative Hybrid Precoding Algorithm Based on Target Transformation

作　　者：张荣 吴君钦[1] 王婷[1] 廖小婷 ZHANG Rong;WU Jun-qin;WANG Ting;LIAO Xiao-ting(Information Engineering College,Jiangxi University of Science and Technology,Ganzhou 341000,China)

机构地区：[1]江西理工大学信息工程学院,赣州341000

出　　处：《科学技术与工程》2021年第2期604-610,共7页Science Technology and Engineering

基　　金：国家自然科学基金(61741109);江西省研究生创新专项资金(YC2019-S316)。

摘　　要：为了使大规模毫米波(millimeter wave,mmWave)多输入多输出系统能耗与性能得到更好的均衡,通过基于目标转换的幂次迭代算法、Aitken加速算法、数学归纳法研究了信道混合预编码矩阵的设计问题。结果表明,与现有的其他预编码方案相比,所提算法可获得更高的系统总可达率、更低的计算复杂度、更小的误码率,性能逼近最优全数字预编码方案。可见,所提出的算法具有很好的有效性和可靠性。In order to balance the energy consumption and performance of millimeter wave mmWave multi-input-multi-output system,the design of channel precoding matrix was studied by power iteration algorithm based on target decomposition,Aitken acceleration algorithm and mathematical induction method.Results show that the proposed algorithm has a higher total system accessibility,lower computational complexity,smaller bit error rate than other algorithms,and the performance approximates the optimal all-digital precoding algorithm.It can be concluded that the proposed algorithm is effective and reliable.

关 键 词：毫米波 大规模多输入多输出 预编码 部分连接 幂次迭代 

分 类 号：TN919.1[电子电信—通信与信息系统]