超宽带圆形单极天线与螺旋EBG集成在地平面上用于降低SAR

2021 IEEE 6th International Conference on Computing, Communication and Automation (ICCCA) Pub Date : 2021-12-17 DOI:10.1109/iccca52192.2021.9666332

M. Munde, Jaswantsing Rajput, D. Chikhale, Abhay Wagh

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引用次数: 0

摘要

本文提出了一种在2.38 GHz ~ 12 GHz频段回波损耗大于10 dB的手持设备部分接地超宽带圆形单极天线。设计的天线涵盖蓝牙(2.4 GHz)， LTE (2.5/2.69 GHz)， WLAN (2.4/3.5/5 GHz)和WiMAX (2.5/3.5/5.5) GHz应用的频段。天线的比吸收率(SAR)超过限制。设计了具有2.4 GHz、3.5 GHz和5.5 GHz相位反转特性的单平面螺旋单元电池。在地平面上以周期性排列的方式放置EBG单元，研究其降低SAR的效果。值得注意的是，在所检查的所有情况下，SAR都降低了，但对于某些波段，它超过了1克组织质量中1.6 W/kg的限制。

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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UWB Circular Monopole Antenna Integrated with Spiral EBG on Ground Plane for Reduced SAR

In this article ultra-wideband circular monopole antenna with partial ground is proposed having return loss greater than 10 dB in the band 2.38 GHz to 12 GHz for handheld devices. Designed antenna covers bands for Bluetooth (2.4 GHz), LTE (2.5/2.69 GHz), WLAN (2.4/3.5/5 GHz) and WiMAX (2.5/3.5/5.5) GHz applications. Specific Absorption Rate (SAR) exceeds limit for proposed antenna. Uniplanar spiral unit cell is designed, which exhibits phase reversal for 2.4 GHz, 3.5 GHz, and 5.5 GHz. EBG unit cells are placed in periodic arrangement on ground plane and are investigated for reduction in SAR. Designs are fabricated, and results are compared. It is noticeable that SAR is reduced for all the cases being inspected but for certain bands it exceeds limit of 1.6 W/kg in 1 gram of tissue mass.

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来源期刊

2021 IEEE 6th International Conference on Computing, Communication and Automation (ICCCA)

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