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引用次数: 0
摘要
本文针对 5G 无线网络应用，介绍了一种具有双螺旋臂电磁带隙（EBG）阵列的紧凑型高增益 16 端口多输入多输出（MIMO）天线。所提出的 MIMO 天线的每个谐振器都由微带线馈电、叉状单极子和部分地平面组成。EBG 单元阵列位于天线元件下方，可在增加增益的同时降低表面波效应，从而提高谐振元之间的隔离度。带有 EBG 的梯形单极子天线元件的 -10 dB 阻抗带宽为 13.6 GHz（20.6-34.2 GHz），隔离度为 54 dB。基于 EBG 的双螺旋臂天线的峰值增益为 24.4 dB。所介绍的梯形毫米波 MIMO 天线具有良好的分集能力指标，如包络相关系数（< 0.26）、指向性增益（~10 dB）和总有源反射系数（< -27.5 dB）。该 16 端口毫米波 MIMO 天线的整体尺寸为 43.5 mm × 43.5 mm，可用于 n257/n258/n261 5G 无线系统。
High-Gain 16-Port mm-Wave MIMO Antenna With Spiral-Shaped Electromagnetic Band Gap for 5G Applications
A compact high-gain 16-port multiple-input-multiple-output (MIMO) antenna with a double spiral arm electromagnetic band gap (EBG) array is presented for 5G wireless networking applications. Each resonator of the proposed MIMO antenna consists of a microstrip line feeding, a fork-like monopole, and a partial ground plane. An array of EBG unit cells is positioned beneath the antenna elements to increase gain while decreasing surface wave effects, resulting in improved isolation among the resonating elements. The −10-dB impedance bandwidth of the trapezium-shaped monopole antenna element with EBG is 13.6 GHz (20.6–34.2 GHz) and isolation of > 54 dB. The peak gain of the double spiral arm EBG-based antenna is 24.4 dB. The presented trapezium-shaped mm-wave MIMO antenna offers decent diversity proficiency metrics like envelope correlation coefficient (< 0.26), directive gain (~10 dB), and total active reflection coefficient (< −27.5 dB). The overall size of the presented 16-port mm-wave MIMO antenna is 43.5 mm × 43.5 mm and can be used for n257/n258/n261 5G wireless systems.
期刊介绍：
The International Journal of Communication Systems provides a forum for R&D, open to researchers from all types of institutions and organisations worldwide, aimed at the increasingly important area of communication technology. The Journal''s emphasis is particularly on the issues impacting behaviour at the system, service and management levels. Published twelve times a year, it provides coverage of advances that have a significant potential to impact the immense technical and commercial opportunities in the communications sector. The International Journal of Communication Systems strives to select a balance of contributions that promotes technical innovation allied to practical relevance across the range of system types and issues.
The Journal addresses both public communication systems (Telecommunication, mobile, Internet, and Cable TV) and private systems (Intranets, enterprise networks, LANs, MANs, WANs). The following key areas and issues are regularly covered:
-Transmission/Switching/Distribution technologies (ATM, SDH, TCP/IP, routers, DSL, cable modems, VoD, VoIP, WDM, etc.)
-System control, network/service management
-Network and Internet protocols and standards
-Client-server, distributed and Web-based communication systems
-Broadband and multimedia systems and applications, with a focus on increased service variety and interactivity
-Trials of advanced systems and services; their implementation and evaluation
-Novel concepts and improvements in technique; their theoretical basis and performance analysis using measurement/testing, modelling and simulation
-Performance evaluation issues and methods.
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