An Equivalent Resonance Model of Frequency Agile Quasi-Lumped Antenna

2019 2nd International Conference on Computer Applications & Information Security (ICCAIS) Pub Date : 2019-05-01 DOI:10.1109/CAIS.2019.8769591

Y. Qasaymeh, A. Almuhaisen, Khaled Issa

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Abstract

In this paper, an approximate resonance model of frequency agile quasi-lumped resonator antenna operates in the band 802.11ac is presented. The proposed quasi-lumped antenna formed of straight-line inductor parallel with the interdigital capacitor. The radiating quasi-lumped dimensions were calculated at 5.8 GHz frequency. Then, the antenna prototype simulated the by CST Microwave Studio. The antenna equivalent resonance model lumped elements were extracted based on antenna calculated dimensions. The Agilent ADS used to simulate the antenna equivalent resonance model. Once the resonance frequency is adjusted, two varactor diodes equivalent circuit connected to the quasi-lumped resonator for tuning the resonance frequency. The CST prototyped antenna shows a significant size reduction of 5.6 × 5.8 with operating frequency of 5.8 GHz. The antenna ADS equivalent model resonance frequency is 5.8 GHz. Whilst, the operating frequency of antenna model employing the loading varactor diodes ranges from 5.18 GHz to 5.825 GHz which is the operation band of 802.11ac.

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频率捷变准集总天线的等效共振模型

提出了一种工作在802.11ac频段的频率捷变准集总谐振器天线的近似谐振模型。所提出的准集总天线由平行于数字间电容的直线电感组成。在5.8 GHz频率下计算了辐射准集总尺寸。然后，利用CST Microwave Studio对天线样机进行了仿真。根据天线计算尺寸提取天线等效共振模型集总元。采用安捷伦ADS模拟天线等效共振模型。一旦谐振频率被调整，两个等效变容二极管连接到准集总谐振器进行谐振频率的调谐。CST原型天线尺寸显著减小5.6 × 5.8，工作频率为5.8 GHz。天线ADS等效模型谐振频率为5.8 GHz。同时，采用负载变容二极管的天线模型的工作频率范围为5.18 GHz至5.825 GHz，即802.11ac的工作频段。

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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2019 2nd International Conference on Computer Applications & Information Security (ICCAIS)

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