Design and Simulation of a Conformal Micro-Strip Patch Antenna at GNSS L1/ E1 Frequency Band

The Journal of aviation medicine Pub Date : 2023-05-03 DOI:10.30518/jav.1232589

B. Yılmaz

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Abstract

In this paper, we have designed a conformal U-slot type micro-strip (µ-strip) patch antenna to be used in L1 frequency band. First, a primary design of flat, rectangular U-slot µ-strip patch antenna is designed around the center frequency of L1 band that is 1575.42 MHz. Then, this design has been converted to a conformal type such that it can be used cylindrical platforms such as missiles. The primary design of conformal U-slot µ-strip patch antenna has been optimized for the L1, E1 frequency band between 1563 MHz and 1587 MHz, and 1559 MHz and 1591 MHz; respectively. Then, antenna parameters such as operation bandwidth and the radiation pattern were reported based on the optimized simulation results for this stand-alone conformal antenna. Finally, this antenna has been put on a missile model and the antenna simulation is repeated to validate the effectiveness and the usability of this antenna on a realistic platform and the scenario. The CST simulation of the final optimized conformal U-slot type µ-strip patch antenna mounted on the missile model has shown that this antenna is effectively operation between 1.5442 and 1.6077 GHz such that it can conveniently be used for Global Navigation Satellite System (GNSS) applications of L1 and E1 band.

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GNSS L1/ E1共形微带贴片天线的设计与仿真

本文设计了一种用于L1频段的共形u槽型微带贴片天线。首先，围绕L1频段中心频率1575.42 MHz设计了平面矩形u槽微带贴片天线的初步设计;然后，这种设计已经转换为保形型，这样它可以使用圆柱形平台，如导弹。初步优化了保形u槽微带贴片天线的L1、E1、1563 MHz ~ 1587 MHz、1559 MHz ~ 1591 MHz频段;分别。然后，根据优化后的仿真结果，给出了该单机共形天线的工作带宽和辐射方向图等天线参数。最后，将该天线安装在导弹模型上并进行了重复仿真，验证了该天线在现实平台和场景下的有效性和可用性。最终优化的u形槽型微带贴片天线安装在导弹模型上的CST仿真结果表明，该天线在1.5442 ~ 1.6077 GHz范围内有效工作，可以方便地用于L1和E1频段的全球导航卫星系统(GNSS)应用。

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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The Journal of aviation medicine

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