Among other CubeSat subsystems, Antenna is one of the most important CubeSat components as its design determines all the telecommunication subsystems’ performances. This paper presents a coplanar wave-guide (CPW)-fed equilateral triangular slot antenna constructed and analyzed for CubeSat communications at S-band. The proposed antenna alone presents high gain and ultra-wide band while its radiation pattern is bidirectional at an unlicensed frequency of 2450 MHz. The objective is to use the CubeSat chassis as a reflector for reducing the back-lobe radiation and hence minimizing interferences with electronic devices inside the CubeSat. This leads to a high gain of 8.20 dBi and a unidirectional radiation pattern at an industrial, scientific and mdical (ISM) band operating frequency of 2450 MHz. In addition to that, the presented antenna is low-profile and exhibits high return loss, ultra-wide impedance bandwidth, and good impedance matching at 2450 MHz.

中文翻译：

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用于CubeSat通信的完全集成的高增益S波段三角槽天线

在其他CubeSat子系统中，天线是最重要的CubeSat组件之一，因为其设计决定了所有电信子系统的性能。本文介绍了共面波导（CPW）馈电的等边三角形缝隙天线的构造和分析，用于在S波段进行CubeSat通信。所提出的天线本身具有高增益和超宽带特性，而其辐射方向图是在2450 MHz的未许可频率下双向传播的。目的是将CubeSat机箱用作反射器，以减少后瓣辐射，从而最大程度地减少对CubeSat内部电子设备的干扰。这导致在工业，科学和医学（ISM）频段工作频率为2450 MHz时具有8.20 dBi的高增益和单向辐射方向图。在此之上，