5G NR大规模天线技术浅析  

Reseach on Massive Antenna Technology in 5G NR

作　　者：卓秀钦[1] ZHUO Xiu—qin(Fujian Pol ytechnic of Information Technology,Fwzhou 350003,China)

机构地区：[1]福建信息职业技术学院,福州350003

出　　处：《长春工程学院学报（自然科学版）》2021年第4期43-46,共4页Journal of Changchun Institute of Technology：Natural Sciences Edition

摘　　要：大规模天线技术彻底解决了MIMO技术中对天线振子单元之间的相关性要求问题,同时,它的核心技术——波束赋型与MIMO的运用大大提升了系统的频谱效率,弥补了NR高频段甚至毫米波波段通信带来的较大的传播损耗问题。从天线阵列结构分析了大规模天线的特点和天线增益计算,并通过其在5G NR通信应用中的技术优势分析覆盖能力的影响因素。以提升大规模天线在一些场景的应用优化,更好地发挥毫米波波段的通信特点。Massive antenna technology completely solves the problem of correlation between antenna elements in MIMO technology.Meanwhile,the uses of its core technology,beamforming and MIMO greatlyimprove the spectral efficiency of the system greatly,and make up for the large transmission loss caused bythe high frequency band or even millimeter wave communication of NR.The characteristics of largescaleantenna array and the calculation of antenna gain are analyzed,and the influencing factors of coverage capability are analyzed through the advantages of antenna array in 5G NR communication.Therefore the application of large-scale antenna in some scenarios is optimized,and the communication characteristics of milli+meter-wave band are demonstrated better.

关 键 词：波束赋型 空分复用 SSB波束扫描 

分 类 号：TN929.5[电子电信—通信与信息系统]