5G多天线增强关键技术研究  

Study on 5G MIMO Enhancement Key Technologies

作　　者：苏俊 张磊 何斌 许话 信金灿 SU Jun;ZHANG Lei;HE Bin;XU Hua;XIN Jincan(Sichuan Branch of China Telecom Co.,Ltd.,Chengdu 610000,China;Sichuan Communication Design Co.,Ltd.,Chengdu 610041,China;Research Institute of China Telecom Co.,Ltd.,Beijing 102209,China)

机构地区：[1]中国电信股份有限公司四川分公司,四川成都610000 [2]四川通信科研规划设计有限责任公司,四川成都610041 [3]中国电信股份有限公司研究院,北京102209

出　　处：《移动通信》2023年第9期110-116,共7页Mobile Communications

摘　　要：为提高频谱效率、系统容量和吞吐量,实现更高的峰值速率,无线网络建设从4G LTE时期开始普遍应用多天线技术。随着5G网络商业部署的推进和无线技术的快速发展,新的业务形态逐渐形成,对应的服务质量需求更加严格。为满足新型应用的用户服务体验,无线技术在信令延迟、信令开销、频谱效率和覆盖范围等方面持续演进,在多天线技术研究中形成了各种解决方案。介绍了5G NR MIMO增强技术方案与标准演进,分析了关键技术的原理与性能优势,并对多天线技术增强演进方向进行了展望。To improve spectrum efficiency,system capacity and throughput,and achieve higher peak rates,wireless network construction has been commonly applying multi-antenna technology since the 4G LTE period.With the advancement of 5G network commercial deployment and rapid development of wireless technology,new service forms are gradually formed and the corresponding quality of service requirements are more stringent.To meet the user service experience of new applications,wireless technologies continue to evolve in terms of signaling delay,signaling overhead,spectrum efficiency and coverage,and various solutions have been formed in the research of multi-antenna technologies.This paper briefly introduces the MIMO enhancement technology solution and standard evolution of 5G NR,analyzes the principle and performance advantages of key technologies,and finally provides an outlook on the direction of enhancement evolution of multi-antenna technology.

关 键 词：上行选择发射 多传输点传输增强 多用户MIMO增强 多波束增强 

分 类 号：TN929.5[电子电信—通信与信息系统]