Computationally optimized multi‐port antenna systems for WLAN/Wi‐Fi (IEEE 802.11a/h/j/n/ac/ax), 5G (mid‐band), and UWB applications

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

International Journal of Communication Systems Pub Date : 2024-09-09 DOI:10.1002/dac.5985

Pradnya A. Gajbhiye, Satya P. Singh, Madan Kumar Sharma

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引用次数: 0

Abstract

SummaryThis paper presents computationally optimized 2‐element and 4‐element Multiple‐Input, Multiple‐Output (MIMO) antennas for WLAN/Wi‐Fi, 5G, and UWB applications. The antenna configuration is constructed with the orthogonal placement of sawtooth‐shaped circular monopole radiating elements. The Particle Swarm Optimization (PSO) and Covariance Matrix Adaptation Evolution Strategy (CMA‐ES) optimization techniques are employed to achieve the best performance and size of the proposed antenna. Among these optimization techniques, CMA‐ES is identified as the better approach. The final optimized geometry of the 2‐element and 4‐element MIMO antennas is 49.40 mm × 24.22 mm and 49.44 mm × 45 mm, respectively. Both optimized antennas are fabricated and experimentally verified. The fractional bandwidth of the antenna is more than 110.3%, and more than −20 dB isolation is attained without employing any decoupling method. The Envelop Correlation Coefficient (ECC), Directivity Gain (DG), Total Active Reflection Coefficient (TARC), and Channel Capacity Limit (CCL) are 0.0001, 9.99, < −15 dB, and 0.1 bits/s/Hz, respectively. The proposed antenna is a good candidate for numerous current wireless applications due to its size and performance.

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针对 WLAN/Wi-Fi（IEEE 802.11a/h/j/n/ac/ax）、5G（中频）和 UWB 应用的计算优化多端口天线系统

摘要本文针对 WLAN/Wi-Fi、5G 和 UWB 应用提出了经过计算优化的 2 元和 4 元多输入多输出（MIMO）天线。天线配置采用正交放置锯齿形圆形单极辐射元件的方式。为了使拟议的天线达到最佳性能和尺寸，采用了粒子群优化（PSO）和协方差矩阵自适应进化策略（CMA-ES）优化技术。在这些优化技术中，CMA-ES 被认为是更好的方法。2 元和 4 元 MIMO 天线的最终优化几何尺寸分别为 49.40 mm × 24.22 mm 和 49.44 mm × 45 mm。这两种优化后的天线均已制作完成并通过实验验证。天线的分数带宽超过 110.3%，在不采用任何去耦方法的情况下，隔离度超过 -20dB。包络相关系数（ECC）、指向性增益（DG）、总有源反射系数（TARC）和信道容量限制（CCL）分别为 0.0001、9.99、< -15 dB 和 0.1 bits/s/Hz。由于体积小、性能好，拟议的天线是当前众多无线应用的理想选择。

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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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.