A microstrip patch antenna is a metal patch placed on a substrate. Investigation of a novel dual band microstripwaveguide. This book, being tutorial in nature, is primarily intended for students working in the field of antenna analysis and design. Finite substrate microstrip line simulated with feko. Interfacing feko and matlab for microstrip antenna design. We try to model and analyze one microstrip antenna with the help of feko and to see the facilities offered by this software suite. Pdf a microstrip patch antenna is a metal patch placed on a substrate. Therefore, microstrip patch antenna has become a major focus to the researchers in the field of antenna engineering. Fig 3 microstrip patch antenna in order to operate in tne fundamental mode,length of the patch should be slightly less than. The feko model for the conventional design thinsubstrate patch antenna is shown in figure 3, where the ground plane dimensions were set to the asfabricated antenna dimensions, 4000 x 4000 mil, and the feed line. Balanis, antenna theory and design, john willey and sons,inc.
Special formulations are also included for efficient simulation of integrated windscreen antennas and antenna arrays. Also called patch antennas one of the most useful antennas at microwave frequencies f 1 ghz. In addition, both circular and linear polarization can be achieved with the patch antenna. Absractin this paper, a rectangular microstrip patch antenna is designed. There are different shapes of an antenna but our focus is on rectangular. The microstrip patch antenna has radiating patch on one side and ground on the other. The aim of this work is to design and simulate a pinfed. Cad feko, defected ground structure dgs, reflection coefficient, rectagular microstrip patch antenna rmpa, vswr. The reflection coefficient is less than 10db for a frequency range of 3. Introduction microstrip patch antennas are usually used for wireless applications. Numerical modelling of microstrip patch antennas claudia hebedean and calin munteanu.
The design and simulation of patch antennas is widely used in mobile cellular phones today, and our emphasis in this work is on optimization of a 2. Pdf design, realization and measurements of microstrip patch. This rectangular patch is excited using transmission lines of particular length and width. Pdf design, realization and measurements of microstrip. Panchatapa bhattacharjee, vivek hanumante, sahadev roy. Vswr and return loss of a conformal microstrip printed antenna. The proposed rectangular patch antenna has been devise using glass epoxy substrate fr4 with dielectric constant. Microstrip patch antenna, as described previously, meshed. Keywords koch curve, microstrip, cad feko suit, dual band, antenna geometry. The microstrip patch antenna is represented by two slots. Design of a rectangular microstrip patch antenna using. Feko also offers tools that are tailored to solve more challenging em interactions, including dedicated solvers for characteristic mode analysis cma and bidirectional cables coupling. In this chapter, we will briefly study some of the fundamentals of microstrip patch antennas, will show the procedure for designing patch antennas using the commercial software package feko. It provides better efficiency and better radiation and large operating bandwidth.
The patch structure is the most common type of microstrip antenna. The basics of patch antennas, updated orban microwave. Finite substrate microstrip line simulated with feko youtube. Microstrip patch antenna is designed to cover ism band applications 2. Microstrip patch antenna design santa clara university. Antenna analysis and design using feko electromagnetic simulation software. Hello i have constructed 4 quadrants patch antenna 4 patches in feko that is part of the radar system and it is intended to measure the received signal phases differences between each patches pair. Design and comparative study of pin feed and line feed. Design and analysis of microstrip patch antenna arrays. Basically, a microstrip patch antenna is composed of a trace of copper or any other metal. The main focus of this paper is to improve bandwidth so that patch antenna is used for wide band applications and study effect of dgs on antenna parameters.
A single patch antenna is designed for transmitter array with a gain of 5. Investigation of a novel dual band microstripwaveguide hybrid antenna element mohammad t. The antenna is experimentally tested and the author com. Antenna analysis and design using feko electromagnetic.
Design and improvement of microstrip patch antenna parameters. Design of uslot rectangular patch antenna for wireless lan at 2. The objective of this book is to introduce students and interested researchers to antenna design and analysis using the popular commercial electromagnetic software feko. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2. Coplanar integration of dualband microstrip patch antenna using cad feko vishnupriya a. Designing for designing of a microstrip patch antenna, we have to select the resonant frequency and a dielectric medium for which antenna is to be designed.
Keywords microstrip, patch, antenna, slit directivity of the antenna, electric far field 1. Coplanar integration of dualband microstrip patch antenna. Narrow bandwidth of microstrip patch antennas makes researchers. However, the conventional microstrip patch antenna inherently has a narrow bandwidth and low gain. Feko simulations the aperturecoupled patch antennas that were designed and optimized in emp were then analyzed using feko. Simulations were performed with cadfeko and measurements. A9 proximity coupled patch antenna with microstrip feed. This example models the rectangular microstrip patch antenna that was analysed by wu et al 1.
Edgefed rectangular microstrip patch antenna altair. Advantages and disadvantages of microstrip patch antenna. Uslot rectangular microstrip patch antenna for the application. We use a simple rectangular, half wave long, probefed patch operating in. Design and comparative study of pin feed and line feed microstrip. The progress in modern tiny multifunctional wireless devices has dramatically increased the demand for microstrip antennas in recent years. S 11 was computed for this configuration over a wide frequency band. The goal is to minimize s 11 by varying patch length in xdirection patch width in ydirection microstrip feed line width length of inset gap in xdirection x y l l w g the first run minimized s 11 at 2 ghz. Know the tools of the software feko internal task t2. Thick size dielectric material with lower dielectric constant will provide good antenna performance. Furthermore, in the last few years, such microstrip antennas found numerous applications in both the military and the commercial sectors.
It consists of a simple rectangular microstrip antenna with the reference plane for the feed defined on the edge of the patch itself. Structure of microstrip patch antenna microstrip patch antennae radiate primarily because of the fringing fields between the patch edge and the ground plane. Introduction 1 introduction this examples guide presents a set of simple examples which demonstrate a selection of the fea tures of feko. The return loss and the various gain plots have been studied along with the radiation patterns. The patch may be in a variety of shapes, but rectangular and circular are the most common. Microstrip antenna arrays can also be conformed to curved aerodynamic surfaces of supersonic aircraft or missiles and modeled approximately in the shape of a. Input impedance, vswr and return loss of a conformal. The examples have been selected to illustrate the features without being unnecessarily complex or requiring excessive run times. In this chapter, we will briefly study some of the fundamentals of microstrip patch antennas, will show the procedure for designing patch antennas using the commercial software package feko, and will present several examples. Introduction this article introduces the basic concepts of patch antennas. The theory of maximum power transfer states that for the. Design of rectangular microstrip patch antenna ieee.
Pdf design and simulation microstrip patch antenna using. Design and analysis of 28ghz rectangular microstrip patch. Pdf parametric analysis and design of rectangular micro strip. Design of uslot rectangular patch antenna for wireless. Finite substrate microstrip line simulated with feko duration.
It usually consists of a metal patch on top of a grounded dielectric substrate. From the model pull down menu, choose model unit and. Introduction 11 1 introduction this examples guide presents a set of simple examples which demonstrate most of the features of the code feko. In this issue we can highlight the antennas with microstrip design that are becoming. Pdf a compact monopole micro strip rectangular patch antenna having truncated.
To achieve polarization matching between transmitting and receiving. This kind has been selected owing to its small size, light weight, low cost and ease of fabrication as well as integration with complex circuitry. Tutorial on the use of feko to analyze a 50 ohm thru microstrip line. Pdf analysis and design of rectangular microstrip patch. Abstract in this paper description of microstrip patch antenna is presented, along with the use of circular polarization and cavity to improve basic antenna characteristics. Microstrip antenna design example as an example, a rectangular microstrip patch antenna is designed using feko matlab interface.
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