6ghz以下非对称cpw馈电宽带圆极化天线

2020 IEEE 3rd International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2020-11-13 DOI:10.1109/ICEICT51264.2020.9334339

Bosong Qiu, Yingsong Li

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引用次数: 5

摘要

本文介绍了一种用于Sub-6 GHz大规模机机通信的非对称共面波导馈电圆极化天线的设计。非对称CPW结构在上波段实现了CP辐射。所建议的天线由带有延伸带的改进梯形和连接到地面的l形带组成。利用延长带，提高了下带轴向比。在CST中进行仿真优化，结果表明该天线的轴比带宽(ARBW)为92% (2.2 ~ 6 GHz)，阻抗带宽为100% (2 ~ 6 GHz)。天线覆盖sub - 6ghz的大部分频段，整体尺寸为60mm × 80mm ×1 mm。天线增益的变化在1.3 ~ 3.7 dBi之间。

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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Asymmetric CPW-fed Wideband Circularly Polarized Antenna for Sub-6 GHz Application

This paper describes a design of asymmetric coplanar waveguide-fed circularly polarized (CP) antenna for massive machine-type communication in Sub-6 GHz. The asymmetric CPW structure achieves a CP radiation at the upper band. The proposed antenna consists of a modified trapezoid with an extended strip and an L-shaped strip connected to the ground. By utilizing the extended strip, the axial ratio at the lower band is improved. By simulating and optimizing in the CST, the result shows that the axial ratio bandwidth (ARBW) of the antenna is 92% (2.2-6 GHz) and its impedance bandwidth is 100% (2–6 GHz). The antenna covers most of the Sub-6 GHz frequency band, with an overall size of 60 mm × 80 mm ×1 mm. The variation of the gain of the antenna is between 1.3 dBi to 3.7 dBi.

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2020 IEEE 3rd International Conference on Electronic Information and Communication Technology (ICEICT)

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