用于下一代无线应用的集成人工磁导体的微型双宽带极化可重构天线

IF 1.7 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Communication Systems Pub Date : 2024-07-21 DOI:10.1002/dac.5925

Vellaichamy Rajavel, Dibyendu Ghoshal

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引用次数: 0

摘要

摘要在当今错综复杂的无线通信环境中，要确保系统质量，就必须使用可靠的多功能天线系统。本文介绍了一种集成了 4 × 4 人工磁导体（AMC）表面的极化可重构天线。AMC 单元在 1.8 千兆赫、4.5 千兆赫和 5.5 千兆赫呈现出三波段反射相位响应，展示了双负超材料行为。该天线具有两个不同的 C 形金属带，与两个 PIN 二极管相连，可实现动态电流分布调整。因此，该天线具有三种可重新配置的状态，便于在双圆极化（左旋和右旋圆极化）和线性极化之间无缝切换。该天线的频率覆盖范围为 1.29 至 2.52 千兆赫和 3.59 至 6.15 千兆赫，最大轴向比（AR）带宽为 31.96%。此外，它的最大峰值增益为 5.5 dB，前后比 (FBR) 值超过 25 dB，最小比吸收率 (SAR) 值为 0.1059 W/kg。AMC 表面的集成确保了天线性能的提升。构建原型的实验结果与仿真结果非常吻合，验证了拟议天线的有效性。因此，这种天线在下一代无线应用中大有可为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A miniaturized dual wide‐band polarization reconfigurable antenna integrated with artificial magnetic conductor for next‐generation wireless applications

SummaryIn today's intricate wireless communication environment, ensuring system quality demands the use of a reliable and versatile antenna system. This research article introduces a polarization reconfigurable antenna integrated with a 4 × 4 Artificial Magnetic Conductor (AMC) surface. The AMC unit cell exhibits a triple‐band reflection phase response at 1.8GHz, 4.5GHz, and 5.5GHz, demonstrating double negative metamaterial behavior. The antenna features two distinct C‐shaped metal strips connected to two PIN diodes, enabling dynamic current distribution adjustment. Consequently, the proposed antenna offers three reconfigurable states, facilitating seamless switching between dual circular polarization (left and right‐hand circular polarization) and linear polarization. With a frequency coverage ranging from 1.29 to 2.52GHz and 3.59 to 6.15GHz, the antenna boasts a maximum axial ratio (AR) bandwidth of 31.96%. Additionally, it achieves a maximum peak gain of 5.5 dB and maintains front‐to‐back ratio (FBR) values exceeding 25 dB, while recording a minimum specific absorption rate (SAR) value of 0.1059 W/kg. The integration of the AMC surface ensures enhanced performance of the antenna. Experimental results from constructed prototypes closely align with simulation outcomes, validating the effectiveness of the proposed antenna. Consequently, this antenna holds significant promise for next‐generation wireless applications.

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来源期刊

International Journal of Communication Systems 工程技术-电信学

CiteScore

5.90

自引率

9.50%

发文量

323

审稿时长

7.9 months

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.