无线通信工程中的 MIMO 系统应用与性能分析  

Application and Pperformance Analysis of MIMO System in Wireless Communication Engineering

作　　者：马远航 MA Yuanhang(Rihai Henglian Communication Technology Co.,Ltd.,Zhengzhou 450000,China)

机构地区：[1]日海恒联通信技术有限公司,河南郑州450000

出　　处：《通信电源技术》2024年第5期213-215,共3页Telecom Power Technology

摘　　要：文章深入分析多输入多输出(Multiple InputMultiple Output,MIMO)系统在无线通信工程中的应用及其性能,重点探讨其关键技术和应用场景。MIMO系统通过空间复用和阵列增益提升通信系统的容量和可靠性,尤其在空间复用方面,通过向量偏转传输技术实现在同一时频资源上传输多个独立数据流,从而大幅提高频谱效率。此外,文章讨论了信道编码与交织技术在提高MIMO系统可靠性和抗衰落能力上的重要作用,分析了基于最小均方误差(Minimum Mean Square Error,MMSE)算法的信道估计与均衡技术在保证系统性能上的关键应用。仿真结果显示,MIMO系统在信噪比较高时实现了显著的吞吐量提升,验证了其在无线通信领域的优越性。This paper deeply analyzes the application and performance of Multiple InputMultiple Output(MIMO)system in wireless communication engineering,focusing on its key technologies and application scenarios.The research points out that the MIMO system improves the capacity and reliability of the communication system through spatial multiplexing and array gain,especially in the aspect of spatial multiplexing,through vector deflection transmission technology to transmit multiple independent data streams on the same time and frequency resources,so as to greatly improve the spectrum efficiency.In addition,the paper discusses the important role of channel coding and interleaving technology in improving the reliability and fading resistance of MIMO system,as well as the key application of channel estimation and equalization technology based on the Minimum Mean Square Error(MMSE)algorithm in ensuring the system performance.The simulation results show the MIMO system significantly improves the throughput at the high signal-to-noise ratio,which verifies its superiority in the field of wireless communication.

关 键 词：多输入多输出(MIMO)系统 空间复用 信道编码 信道估计 无线通信 

分 类 号：TN929.5[电子电信—通信与信息系统]