Design and Fabrication of a Planar Inverted-F Antenna (PIFA) for LEO Satellite Application

Abstract

The paper is mainly emphasizes on the microstrip patch antenna design for satellite applications. The specific objective of this study is to solve the research problem on finding the simple and compact design for small satellite application in real world. A new design of a Planar Inverted-F Antenna (PIFA) with the two height of 12mm and 10mm are proposed for low Earth orbit (LEO) applications in S band. The antenna is a single form antenna with the coaxial probe fed is used. CST Microwave Studio student version was used for the simulation of the antenna and matching design parameters. The antennas are obtained an efficient high return loss-18.426dB and-18.169dB at S11, the return loss bandwidth of 471MHz and 466MHz. The radiation pattern results are analyzed beam width angle 85.1° and 95.1°. Moreover, the peak directivity gain results 4.7dBi and 4.79dBi, the absolute E-filed radiation effect are also presented. The actual measurement results for S11 parameter of return loss-13.54dB and-14.2dB, return loss bandwidth of 510MHz and 425MHz are also fabricated with the comparison of simulation and fabrication process of PIFA antenna characteristics. The measurement of the return loss (S11) and return loss bandwidth were almost identical with the simulation.

Measurement Analysis of Specific Absorption Rate in Human Body Exposed to a Base Station Antenna by Using Finite Difference Time Domain Techniques

“…The finite difference time domain (FDTD) technique is an effective and efficient scheme for analyzing the radiation effects on human body and electromagnetic simulation for time domain condition in advanced antenna system [16] . The computerized FDTD techniques for electromagnetics simulation to analyze the high power devices fabrication which was oriented to interface energy are discussed in [17] .…”