一种非正交多址接入迭代优化混合预编码算法  

An Iteratively Optimized Hybrid Precoding Algorithm for Non-orthogonal Multiple Access

作　　者：刘雯雯 吴君钦[1] 谢子宣 LIU Wen-wen;WU Jun-qin;XIE Zi-xuan(School of Information Engineering,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》2022年第36期16084-16090,共7页Science Technology and Engineering

基　　金：国家自然科学基金应急管理项目(61741109)。

摘　　要：为了使大规模毫米波(millimeter wave,mmWave)多输入多输出(multiple-input multiple-output,MIMO)系统获得高频谱效率和高能量效率,采用非正交多址接入迭代优化算法和簇首选择算法,研究了无线携能通信场景中的混合预编码问题。仿真结果表明:与传统正交多址接入无线携能通信的混合预编码算法相比,所提算法能够获得更高的频谱效率和能量效率。In order to achieve high spectral efficiency and high energy efficiency for large-scale millimeter-wave(mmWave)multiple-input multiple-output(MIMO)systems,the non-orthogonal multiple access iterative optimization algorithm and cluster head selection algorithm were used to study the hybrid precoding problem in simultaneous wireless information and power transfer scenarios.The simulation results show that the proposed algorithm can achieve higher spectral efficiency and energy efficiency compared with the traditional hybrid precoding algorithm for orthogonal multiple access simultaneous wireless information and power transfer.

关 键 词：毫米波(mmWave) 大规模多输入多输出(MIMO) 混合预编码 非正交多址接入 无线携能通信 

分 类 号：TN919.1[电子电信—通信与信息系统]