Performance Assessment of a Star Patch Antenna based on RSSI Level in Actual Indoor Environments

F. Seman, F. A. Po'ad, F. Ramadhan, R. Yuwono, Z. Abidin, S. M. Shah
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引用次数: 1

Abstract

This paper presents a design of star patch antenna with microstrip line feeding structure, which operates at 2.4 GHz. The antenna is printed on FR-4 board having dielectric constant of 4.4. The performance of antenna is evaluated based on the reflection loss and radiation pattern. The measurements of antenna return loss is done in the laboratory, while the radiation pattern is measured by connecting the developed antenna to the Radio Frequency Identification (RFID) reader in Line of Sight (LOS) indoor environment. The RSSI value is captured by the RFID reader at 10° steps from 0° to 360° and the polar radiation pattern can be plotted. From the measurement, it is observed that the developed antenna is able to support data transmission and reception up to 69 meters distance with maximum input power + 5 dBm. The result shows good agreement between measured data and calculated values, which can be used as a reference for future design.
基于RSSI水平的星形贴片天线在实际室内环境中的性能评估
本文设计了一种工作频率为2.4 GHz的微带馈线星形贴片天线。天线印刷在介电常数为4.4的FR-4板上。根据反射损耗和辐射方向图对天线的性能进行了评价。天线回波损耗的测量是在实验室完成的,而辐射方向图是通过将所开发的天线连接到可视室内环境中的射频识别(RFID)读取器来测量的。RSSI值由RFID阅读器在从0°到360°的10°步长处捕获,并且可以绘制极性辐射模式。测量结果表明,该天线在最大输入功率+ 5 dBm的情况下,能够支持最远69米距离的数据传输和接收。结果表明,实测数据与计算值吻合较好,可为今后的设计提供参考。
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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