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Novel Low-Cost Integrated Multiband Antenna Design Customized for Smartwatch Applications with SAR Evaluation
International Journal of Antennas and Propagation ( IF 1.5 ) Pub Date : 2020-12-15 , DOI: 10.1155/2020/8833839
Brahim Fady 1 , Abdelwahed Tribak 1 , Jaouad Terhzaz 2 , Fatima Riouch 1
Affiliation  

This paper presents a novel low-cost integrated multiband antenna design customized for smartwatch applications and wearable devices. The design consists in using a broadband planar patch antenna with circular microstrip lines and a miniaturized feeding-point with a structure of 30 × 30 × 1.6 mm3, and it is easy to deploy inside the smartwatch and cost-effective for the wearable device industry. The parametric study and final dimensions of the design and the measured results of the reflection and radiation pattern are discussed. The antenna with maximum gain up to 6.6 dBi and S11 up to −22 dB exhibits excellent performance for all the frequencies required in wearable systems such as 1.9 GHz, 2.3 GHz, 2.4 GHz, 2.6 GHz, 5.2 GHz, and 5.8 GHz. We drew a comparison between similar research and this work in terms of antenna performance. Furthermore, we investigate the specific absorption rate (SAR) performance of the antenna for the smartwatch application, using both human hand wrist multilayer and SAM head mouth models. The SAR results in different positions for all the frequencies are compared to the Federal Communication Commission (FCC) standards.

中文翻译:

针对具有SAR评估的Smartwatch应用而定制的新型低成本集成多频带天线设计

本文提出了一种针对智能手表应用和可穿戴设备定制的新型低成本集成多频带天线设计。该设计包括使用具有圆形微带线和结构为30×30×1.6 mm 3的微型馈电点的宽带平面贴片天线,该天线易于部署在智能手表内部,并在可穿戴设备行业中具有成本效益。讨论了设计的参数研究和最终尺寸以及反射和辐射方向图的测量结果。最大增益高达6.6 dBi和S 11的天线在可穿戴系统所需的所有频率(例如1.9 GHz,2.3 GHz,2.4 GHz,2.6 GHz,5.2 GHz和5.8 GHz)上,高达−22 dB的频率都具有出色的性能。我们在天线性能方面进行了类似研究和这项工作之间的比较。此外,我们使用人的手腕多层和SAM头嘴模型研究了智能手表应用天线的特定吸收率(SAR)性能。将所有频率在不同位置的SAR结果与联邦通信委员会(FCC)标准进行比较。
更新日期:2020-12-15
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