<br>可穿戴天线的设计、分析和应用：综述,IEEE Access

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可穿戴天线的设计、分析和应用：综述
IEEE Access ( IF 3.4 ) Pub Date : 2-8-2023 , DOI: 10.1109/access.2023.3243292
Usman Ali ₁ , Sadiq Ullah ₁ , Babar Kamal ₂ , Ladislau Matekovits ₃ , Amir Altaf ₄

Affiliation

可穿戴天线是身体中心通信 (BCC) 的重要组件。这些天线最近引起了研究人员的注意，并且由于其有吸引力的特性和机会而广受欢迎。它们是用于医疗保健、军事、体育和识别目的的无线人体区域网络 (WBAN) 的基础。与传统天线相比，这些天线工作时距离人体较近，因此其回波损耗、增益、方向性、带宽、辐射方向图、效率和比吸收率 (SAR) 等性能均受到耦合和吸收的影响的人体组织。此外，在这些天线的设计中，尺寸、功耗和速度也起着至关重要的作用。在大多数情况下，这些天线被集成到衣服中，或者在某些情况下，它们可能被固定在用户的皮肤上。当考虑到这些特性时，可穿戴天线的设计就变得具有挑战性，特别是当检查纺织材料、在制造过程中使用高导电率材料以及各种变形情况对设计性能产生影响时。为了增强可穿戴天线的整体性能并减少对人体的后向辐射，引入了超材料表面，可提供与人体的高度隔离并显着降低SAR。本文讨论了与由可穿戴/柔性基板材料组成的超材料结构集成的最先进的可穿戴/纺织/柔性天线，重点关注单频和双频天线设计。本文还回顾了可穿戴/纺织/柔性天线设计中需要考虑的关键设计问题、各种制造技术以及其他因素。这项工作中提出的所有设计都是可穿戴技术的最新发展。

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Design, Analysis and Applications of Wearable Antennas: A Review

Wearable antennas are the vital components for Body Centric Communication (BCC). These antennas have recently gained the attention of researchers and have received a great deal of popularity due to their attractive characteristics and opportunities. They are fundamental in the Wireless Body Area Networks (WBANs) for health care, military, sports, and identification purposes. Compared to traditional antennas, these antennas work in close proximity to the human body, so their performance in terms of return loss, gain, directivity, bandwidth, radiation pattern, efficiency, and Specific Absorption Rate (SAR) is influenced by the coupling and absorption of the human body tissues. Additionally, in the design of these antennas, size, power consumption, and speed can also play a paramount role. In most cases, these antennas are integrated into the clothes, or in some cases, they may be fixed over the skin of the users. When these characteristics are considered, the design of wearable antennas becomes challenging, particularly when textile materials are examined, high conductivity materials are used during the manufacturing process, and various deformation scenarios have an impact on the design’s performance. To enhance the overall performance of the wearable antennas and to reduce the backward radiation towards the human body, metamaterial surfaces are introduced that provide a high degree of isolation from the human body and significantly reduce the SAR. This paper discusses the state-of-the-art wearable/textile/flexible antennas integrated with metamaterial structures composed of wearable/flexible substrate materials, with a focus on single and dual band antenna designs. The paper also reviews the critical design issues, various fabrication techniques, and other factors that need to be considered in the design of wearable/textile/flexible antennas. All the designs presented in this work are of the recent developments in wearable technology.

更新日期：2024-08-26

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