Compact 18-Element Multiband MIMO Antenna With Metal Frames for 5G Mobile Devices

IF 1.8 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Communication Systems Pub Date : 2025-07-03 DOI:10.1002/dac.70163

Naveen Jaglan, Ahmed A. Kishk

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Abstract

An 18-element multiband massive MIMO antenna system is proposed for 5G-enabled smartphones. The radiating units are engineered to operate within the frequency ranges of 3.4–3.6 (LTE Band 42), 3.6–3.8 (LTE Band 43), and 5.15–5.925 GHz (LTE Band 46). A simple open-ended U-shaped slot radiator with metallic side frames is used. The metallic side frames improve the robustness of the handset. Open-ended slots integrated into the side frames help reduce mutual coupling between the radiating elements. Simulated and measurements show excellent envelope correlation coefficients ( $<$ 0.07) and total efficiency ( $>$ 87%) across the full operational bandwidth. The massive MIMO capabilities of the proposed design are evaluated through ergodic channel capacity analysis (> 96 bps/Hz) using the Kronecker channel model. Furthermore, the influence of real-world factors such as human hand grip, LCD, and battery components is thoroughly examined.

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紧凑型18元多频段MIMO天线，金属框架，用于5G移动设备

提出了一种用于5g智能手机的18元多频段大规模MIMO天线系统。辐射单元的设计工作频率范围为3.4-3.6 GHz （LTE Band 42）、3.6-3.8 GHz （LTE Band 43）和5.15-5.925 GHz （LTE Band 46）。一个简单的开放式u形槽散热器与金属侧框架被使用。金属侧框提高了手机的坚固性。集成在侧框架中的开放式槽有助于减少辐射元件之间的相互耦合。模拟和测量结果表明，包络相关系数(＆lt；$$ < $$ 0.07)和总效率(＆gt；$$ > $$ 87%) across the full operational bandwidth. The massive MIMO capabilities of the proposed design are evaluated through ergodic channel capacity analysis (> 96 bps/Hz) using the Kronecker channel model. Furthermore, the influence of real-world factors such as human hand grip, LCD, and battery components is thoroughly examined.

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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.