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An Asymmetric Meandered Line Based Dual-Band ENG-TL Antenna Loaded with Complementary Closed Ring Resonators for Gain Enhancement
IETE Journal of Research ( IF 1.3 ) Pub Date : 2021-04-26 , DOI: 10.1080/03772063.2021.1914202
Raghvenda Kumar Singh 1 , Ashish Gupta 1
Affiliation  

In this article, an asymmetric coplanar waveguide (CPW)-fed dual-band ENG-TL antenna with gain enhancement using complementary closed ring resonators (CCRRs) has been designed and validated. The proposed antenna consists of an asymmetric rectangular patch, meandered line inductor, coplanar ground planes, square-shaped CCRRs, and a radial stub. Simulated results show that the proposed antenna offer triple-band characteristics at 1.28 GHz (1.26–1.29 GHz), 2.61 GHz (2.57–2.65 GHz), and 4.3 GHz (4.15–4.49 GHz). However, the third band has been found as weak resonance and consequently not shown in the paper. Measured results show that the proposed antenna exhibits proper dual-band characteristics covering frequencies 1.18–1.29 GHz (centered at 1.24 GHz) and 2.40–2.68 GHz (centered at 2.56 GHz). Considering fZOR = 1.24 GHz, presented antenna has an electrical size of 0.103 λ0 × 0.093 λ0 × 0.0066 λ0. The proposed antenna has a simulated gain of 1.5 and 2.01 dB at 1.28 and 2.61 GHz, respectively, in the direction of maximum radiation. Above reflection and far-field characteristics makes this antenna suitable for aeronautical radio-navigation (960–1215 MHz), space to earth radio-navigational satellite (1215–1240 MHz) communications. Moreover, the antenna can be potentially built-in smartphones for LTE (2.5–2.69 GHz), WLAN (2.4–2.484 GHz), and WiMAX (2.5–2.69 GHz) applications where gain requirement is reasonable.



中文翻译:

基于非对称曲折线的双频 ENG-TL 天线,负载互补闭环谐振器以增强增益

在本文中,设计并验证了一种使用互补闭环谐振器 (CCRR) 增强增益的非对称共面波导 (CPW) 馈电双频段 ENG-TL 天线。所提出的天线由不对称矩形贴片、曲折线电感器、共面接地平面、方形 CCRR 和径向短截线组成。仿真结果表明,所提出的天线在 1.28 GHz (1.26–1.29 GHz)、2.61 GHz (2.57–2.65 GHz) 和 4.3 GHz (4.15–4.49 GHz) 下具有三频特性。然而,第三个频带被发现为弱共振,因此没有在论文中显示。测量结果表明,所提出的天线表现出适当的双频特性,覆盖频率为1.18-1.29 GHz(以1.24 GHz为中心)和2.40-2.68 GHz(以2.56 GHz为中心)。考虑f ZOR = 1.24 GHz,所提供的天线的电气尺寸为 0.103 λ 0  × 0.093 λ 0  × 0.0066 λ 0。所提出的天线在最大辐射方向上在 1.28 和 2.61 GHz 的模拟增益分别为 1.5 和 2.01 dB。上述反射和远场特性使该天线适用于航空无线电导航(960-1215 MHz)、空对地无线电导航卫星(1215-1240 MHz)通信。此外,该天线还可以内置于智能手机中,用于增益要求合理的 LTE (2.5–2.69 GHz)、WLAN (2.4–2.484 GHz) 和 WiMAX (2.5–2.69 GHz) 应用。

更新日期:2021-04-26
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