This paper presents the design of a rectangular microstrip patch antenna to operate at frequency range of 2 ghz to 2. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulator. Ansys ansys electronics desktop tutorial antenna tutorial download guide microstrip microstrip patch antenna patch rectangular microstrip patch antenna step by step guide for antenna tutorial edit microstrip is a type of electrical transmission line which can be fabricated using printed circuit board technology, and is used to convey microwave. The rectangular microstrip antenna patch was designed in matlab and the design program converted to a function of resonance frequency, dielectric constant, substrate height, and the desired input impedance zin. The len gth, l, of the substrate can be approximated by. Jaswinder kaur, rajesh khanna coaxial fed rectangular microstrip patch antenna for 5.
Workshop rectangular patch antenna introduction to ansys hfss. Design of a rectangular patch antenna using computer simulation technology cst nik nurul azuin bt nik abdul rahman, id no 2010702499, group. Thus the design and simulation of microstrip rectangular patch antenna was successfully designed and analyzed using ansoft hfss. We use a simple rectangular, half wave long, probefed patch operating in its fundamental mode as an example. Design rectangular patch antenna using hfss part 1 youtube. Design of a rectangular microstrip patch antenna using inset. Pdf rectangular patch antenna array design at ghz. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. The performance parameters were achieved with return loss 16. Simulation of rectangular microstrip antenna by integrating matlab in visual basic diyala journal of engineering sciences, vol. Experimental study of stacked rectangular microstrip.
Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to. The distance between the patch and the ground plane the. Cst offers accurate, efficient computational solutions for electromagnetic design and analysis. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. The length of the patch for a rectangular patch antenna normally would be 0. Tweak the values of the length and width of your patch antenna as to better match it at 10 ghz you should have a minimum at approximately 10ghz and an swr of no worse than. Rectangular microstrip patch antenna with designer. Microstrip or patch antennas are becoming increasingly useful because they can. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. These are very low size antennas having low radiation. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. This model uses an inset feeding strategy that does not need any additional matching parts. Cst simulation software is userfriendly and enables us to ch.
For rectangular microstrip patch antenna design, this paper got a gain of 6. Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable. The dimensions of antenna can be found in the hfss simulation file. The 2x2 patch array antenna is simulated using ansoft hfss. The patch antenna is a good place to start for antenna fundamentals with more coming. The fundamentals of patch antenna design and performance. We use a simple rectangular, half wave long, probefed patch operating in. Usually, the patch or microstrip is choosen to be square, circular or rectangular in. Width that you calculated for the patch draw primitive rectangle, draw a random rectangle this will be your feedline antenna o double click the new rectangle and define its points.
Analysis and design of circular microstrip patch antenna at 5. Pattern analysis of the rectangular microstrip patch antenna. The rectangular patch excited in its fundamental mode has a maximum. The patch antennas are popular for low profile applications at frequencies. Analysis and design of rectangular microstrip patch antenna. As such, this page gives a general idea of how the parameters affect performance, in order to understand the design process. It is worth to mention that, the rectangular patch width w has a minor effect on the resonant frequency and radiation pattern of the rectangular patch antenna 2. Pdf workshop rectangular patch antenna introduction to. To summarize the rectangular microstrip antenna tutorial content at this point. The patch antennas are popular for low profile applications at frequencies above 100mhz.
The rectangular patch antenna is designed so that it can operate at the resonance frequency. It also covers antenna terms gain,squint,bore sight,polarization,elliptical polarization,circular polarization, linear polarization,beam width,gt,cross polarization,sensitivity,efficiency,directivity etc. Antenna tutorial antenna function types testing basics. The microstrip patch antenna calculator determines the length l and width w of a rectangular microstrip patch antenna for a given resonant frequency or vice versa. To design the rectangular patch width of the antenna is given by. First, the length of the patch l controls the resonant frequency as seen here. This multipart tutorial explores the radiation properties of rectangular microstrip antennasspecifically, the radiation method, coupling of the.
It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Operational parameters and principles have been established. The rectangular patch antenna is analyzed, and what is learned here will be. You can specify several namevalue pair arguments in any order as name1, value1. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. For rectangular microstrip antenna, the width w and the length l depends on the resonant frequency. Rectangular microstrip patch antenna stream of knowledge. The fringing fields around the periphery are taken care of by extending the patch. Click here to go to our page on circular patch antennas new for september 2018. Rectangular patch antenna introduction to ansys hfss.
Properties not specified retain their default values. A brief tutorial on microstrip antennas part 2 microwaves. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes.
It has been shown that this design of the rectangular patch antenna produces a bandwidth of approximately 2% with a stable radiation pattern within the frequency range. A brief tutorial on microstrip antennas part 1 microwaves. Design of a rectangular microstrip patch antenna using. Antenna arrays will be examined later in the series. Patch antennas are low cost, have a low profile and are easily fabricated. Mri lp birdcage a mri lowpass birdcage including a virtual family body model and sar calculation. This antenna tutorial covers antenna functions,antenna terms,antenna types,antenna gains,antenna gains vs effective area,radiation pattern, near field and far field region and testing methods. Introduction this article introduces the basic concepts of patch antennas.
Name is the property name and value is the corresponding value. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Design and simulation microstrip patch antenna using cst. The parameters evaluated were gain, beamwidth and return loss. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to control the polarization, or for convenient layout. Analysis and design of rectangular microstrip patch antenna at 2. As you did in the first tutorial lesson, you will use a wizard in this project to build the geometry of a rectangular patch antenna. International journal of engineering trends and technology. The resonant input resistance at the edge of the microstrip conductor is generally greater than the feedline characteristic impedance and requires an impedance.
Design of a rectangular patch antenna using computer. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Click on the probefed patch wizard button of the wizard toolbar or select the menu item tools antenna wizards probefed patch antenna. Analysis and design of rectangular microstrip patch. Ee2405a abstract a design of a microstrip rectangular patch antenna is presented in this paper. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. Pdf the rectangular microstrip patch antenna is explored from theoretical and practical perspectives. In this paper, we presented the design of a rectangular patch antenna covering the 2ghz. The antenna is attractive due to its lowprofile conformal design, relatively low cost, and very narrow bandwidth.
A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Regarding the circular patch antenna, of radius a, the resonant frequency can be calculated using the following formula 7. It is vital to ensure that the patch antenna is designed in such a manner that it resonates at the desired frequency. Following equations or formula are used for this microstrip patch antenna calculator. Threeelement vectors of cartesian coordinates in meters. Coupling of power to the microstrip patch antenna can be done by probe feeding.
Rectangular, singlelayer, coaxfed patch antennas are used as array elements for the specific purpose of tracking cell phones operating in the pcs band inside a given building. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. Microstrip antennas are becoming very widespread within the mobile phone market. Rectaangular microstrip patch antenna for wireless. First the model of the microstrip patch antenna has to be drawn in hfss.
The objective of this tutorial is to simulate a microstrip patch antenna resonating at a frequency of 7. The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. This antenna tutorial covers antenna functions, antenna terms, antenna types, antenna gains, antenna gains vs effective area, radiation pattern, near field and far field region and testing methods. Microstrip or patch antennas are becoming increasingly useful because they can be printed directly onto a circuit board. Experimental study of stacked rectangular microstrip antenna. All of the parameters in a rectangular patch antenna design l, w, h, permittivity control the properties of the antenna. Richards, theory and experiment on microstrip antennas, ieee trans. It consists of rectangular substrate and the metal trace layer as shown in fig. Cst simulation software is userfriendly and enables us to choose the most appropriate method for. The basics of patch antennas, updated orban microwave. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. This multipart tutorial explores the radiation properties of rectangular microstrip antennasspecifically, the radiation method, coupling of the feed structure to the microstrip radiating element or elements in the case of array structures, and the simple transmissionline model utilized for design and performance estimates.
Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Absract in this paper, a rectangular microstrip patch antenna is designed. Aug 07, 2014 a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. The microstrip patch antenna is used in a wide range of applications because it is easy to design and fabricate. Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable or microstrip line in our case. Rectangular microstrip antenna a, and its side view b because of the fringing effects, electrically the patch of the microstrip antenna looks greater than its physical dimensions. Picking up from where part 1 left off, this article explores the singleelement, rectangular microstrip antenna. We use the cavity model to explain the operation of the patch antenna. Mar 17, 2017 cst offers accurate, efficient computational solutions for electromagnetic design and analysis. The example will illustrate both the simplicity and power of. As shown in the design window of the visual basic program in figure 1. This is a video tutorial on how to design a rectangular patch antenna using ansoft hfss.
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