Design and Implementation of High Isolation Textile MIMO Antenna for Wearable Applications

IF 1.8 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Communication Systems Pub Date : 2025-01-30 DOI:10.1002/dac.70010

Sanjeev Kumar, Kunal Srivastava, Sachin Kumar, Deepti Sharma, Rakesh N. Tiwari, Abhishek Kandwal, Mahesh Kumar Singh, Bhawna Goyal

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Abstract

This work presents a single-layer wideband textile multiple-input–multiple-output (MIMO) antenna for wearable devices. The antenna design is made up of two rectangular-shaped monopole antennas that are mirror imaged and connected to achieve an equal voltage level in the ground surface. The antenna elements are excited by 50-Ω microstrip feed lines. By using a triangular stub decoupling element on the ground plane, greater than 22 dB of isolation is attained among antenna elements. The suggested two-element MIMO antenna has a bandwidth of 2.3–8.0 GHz and a dimension of 30 mm × 58 mm × 1 mm. In addition, four- and eight-element MIMO geometries have been designed and analyzed for massive MIMO applications. Also, an eight-element MIMO belt antenna for wearable straps is investigated. The effects of antenna bending on the human body are also investigated.

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可穿戴式高隔离纺织品MIMO天线的设计与实现

这项工作提出了一种用于可穿戴设备的单层宽带纺织多输入多输出（MIMO）天线。天线设计由两个矩形单极天线组成，它们互为镜像并连接在一起，以在地面上实现相等的电压水平。天线元件由50条-Ω微带馈线激发。通过在地平面上采用三角形短段去耦元件，天线单元间的隔离度可达22 dB以上。建议的双单元MIMO天线带宽为2.3 ~ 8.0 GHz，尺寸为30 mm × 58 mm × 1 mm。此外，还针对大规模MIMO应用设计和分析了四元和八元MIMO几何结构。研究了一种用于可穿戴带的八元MIMO带天线。研究了天线弯曲对人体的影响。

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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.