A brief tutorial on microstrip antennas part 1 microwaves. Under hfss analysis setuplist or under analysis on the left, select the setup you created and view its properties. As noted above, curved implementations can be made to conform to aircraft hulls. Microstrip patch antenna design and simulation vengalam mahendra reg no. Hfss is a commercial finite element method solver for electromagnetic structures from ansys. Aim the aim of the thesis is to design and fabricate an insetfed rectangular microstrip patch antenna and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric constant. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004. Hfss microstrip antenna design stripline feeding youtube. Second, there are many simulator like hfss for example cst, and feko. The basic structure of the microstrip patch antenna is shown in figure 1. Dipole antenna, radiation pattern, efficiency, directivity, hfss. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices.
This multipart tutorial explores the radiation properties of rectangular microstrip antennas specifically, 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. Next, we consider the planar folded dipole antenna. At the dipole, a small width of the antenna microstrip b is assumed. Increasing microstrip patch antenna bandwidth by inserting. Microstrip patch antenna simulation setup for microstrip fed patch antenna. As a flat antenna, arrays can have a large aperture, with corresponding high gain, but having low volume and weight.
The objective of this tutorial is to simulate a microstrip patch antenna resonating at a. The radiation pattern is of dipole shape in the eplane and almost omnidirectional in the hplane. The design process is based on the simple impedance matching among antenna element components, i. Hfss tutorial dipole antenna antenna radio command line. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004 introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft. Below is an example of the 2d slices of a patch antenna for lhcp and rhcp directivity. 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. The simulation results for all microstrip dipole antennas with different ground plane are discussed in term of bandwidth response and input return loss. In this video, i have explained microstrip antenna or patch antenna by following outlines. Antenna projects using hfss electronics electrical projects. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. The dielectric layer can be manipulated to fit different. The second group focused on the design and simulation of patch antennas which are widely used in cell phones today with an emphasis on optimization of a 1. The example will illustrate both the simplicity and power of hfss through construction and simulation of this antenna structure.
Apr 30, 2019 hfss tutorial dipole antenna download as pdf file. It highlights several antenna related applications with emphasis on antennas on or around other structures. Antenna arrays will be examined later in the series. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. The acronym stands for high frequency structure simulator hfss. It consists of area of metallization supported above a ground plane by a thin dielectric substrate and fed against the ground at an appropriate location.
Modeling of pin diode in hfss and frequency reconfigurable antenna. This application brief describes antenna design using ansys hfss, the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components. The microstrip antenna may be considered a wire antenna due to the associated property of current on the radiating element. Hfss tutorial dipole antenna free download as pdf file. Microstrip patch antenna using hfss linkedin slideshare. A dual band antenna and a microstrip fed patch antenna, used in the communication lab. Workshop rectangular patch antenna introduction to ansys hfss. Specifically,two folded feed lines are placed between the radiator patch and the feed point. Monopole antenna is a one half of a dipole antenna. Introduction in this tutorial, a dipole antenna will be. It also covers new features in ansys hfss for antenna analysis.
To miniaturize the antennae further a metamaterial based approach has been incorporated. These are very low size antennas having low radiation. Microstrip patch antenna design santa clara university. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Keywords microstrip patch antenna, frequency, gain, beamwidth, hfss,wireless communication. The radiation pattern of microstrip or patch antenna is. When the antenna is excited, the waves generated within the dielectric undergo reflections and the energyis radiated from the edges of the metal patch,which is very low. Probe feed patch antenna 2 probe feed patch antenna getting started click the microsoft start button, select all programsansoft hfss 12 hfss 12 or double click on the hfss 12 icon on the windows desktop adding a project and design to insert a design into an open project. Design and analysis of microsrtip square patch antenna under the kind guidance of. Pdf workshop rectangular patch antenna introduction to. Introduction to ansys hfss for antenna design yi ge.
The example will illustrate both the simplicity and power of. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. Then, the antenna design will be easy at these frequencies. The dimensions of antenna can be found in the hfss simulation file. Microstrip patch antenna has a ground plane on the one 1. The dipole antenna is the most efficient class of antenna in radio and. Simulate and analyze a rectangular patch antenna using ansys hfss. Aug 06, 2019 hfss tutorial dipole antenna download as pdf file. This video demonstrates how to create the geometry of the dipole antenna. Visualization using hfss package recorded lab tutorial. The following image shows a microstrip or patch antenna. Example probe feed patch antenna ansoft high frequency structure simulator v10 users guide 5. Final project to design specific microstrip antenna, fabrication and measurement.
Then, only longitudinal currents direction x need to be considered and onedimensional problem is going to be solved, which is an analogy to the solution of a wire dipole. For australian and new zealand students, tutorials located here. The resonant input resistance at the edge of the microstrip conductor is generally greater than the feedline characteristic impedance and requires an impedance. Proposed microstrip dipole antenna with truncated polygon from one side ground plane is shown in figure 2. Measurements tutorial using the network analyzer recorded lab. The fundamentals of patch antenna design and performance.
The efficiency of microstrip antenna arrays may be improved significantly by reducing losses in the feed network. A proposed microstrip dipole antenna with tapered arm has been simulated with hfss. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2. The bandwidth of proposed microstrip dipole antenna is 515. The unique property of the microstrip patch antenna is its twodimensional structure. Input impedance 100 resonant frequency of the antenna10ghz. Fabrication tutorial using milling machine recorded lab tutorial.
Design of a rectangular microstrip patch antenna using inset. Printed dipole antenna using ansoft designer added in the tutorials \tools section. Basic understanding of the antenna we will model one of the most basic antennas so that we can simulate a load, and design a matching network. This video tutorial shows how to design a microstrip patch antenna in hfss software. Picking up from where part 1 left off, this article explores the singleelement, rectangular microstrip antenna. Pdf high frequency structure simulator hfss tutorial otman. 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. 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. Rectaangular microstrip patch antenna for wireless. In ieee paper said a 50 ohmi coaxial line is used to feed the antenna.
The beauty of this antenna is the use of single patch which make it easy to fabricate consequently cost of antenna becomes cheaper. May 14, 2018 this video tutorial shows how to design a microstrip patch antenna in hfss software. Techniques for analyzing antenna lattice structures. A low cost microstrip fed dual frequency dipole antenna has been developed for personal communication network pcn and wireless lan wlan applications in the 2. Ansys hfss tutorial simulate and analyze an example of microstrip line drew handler, jerry yang october 20, 2014. Hfss tutorial 2microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch. The dimensions of antenna can be found in the hfss. Ansoft designer planar em simulation of a microstrip transmission line added in the tutorials \tools section. Microstrip antenna or patch antenna basics in antenna and. Chapter one the dipole antenna i introduction the monopole and dipole antennas are commonly used for broadcasting, cellular phones, and wireless communications due to their omnidirective property.
The patch antennas are popular for low profile applications at frequencies above 100mhz. I have a problem in designing pifa, i dont know how to feed the antenna in hfss. Part i covers basic antenna theory including gain, directivity, dipole, monopole, and arrays. From simulation to realization added in the tutorials \tools section. Design of microstrip dipole antenna at various ground. However, this discussion is limited to a 12ghz plane slot array and radiation and dielectric losses are neglected. Hfss for the dipole antenna ansoft high frequency structure. A study of srr based microstrip antenna and their equivalent circuits have been carried out. Microstrip patch antenna with slots in ground plane.
Planar antennas, such as microstrip and printed antennas have the attractive. How to design a multiband microstrip antenna in hfss. Starting hfss follow instructions from the hfss stripline laboratory tutorial for any pop ups that may occur. The characteristic of the antenna can be improved by altering the figure of the radiation patch and the ground. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulator. The metamaterial array is embedded inside the substrate of rectangular microstrip patch antenna. Jun 27, 2019 hfss tutorial dipole antenna download as pdf file. Therefore, the size of folded dipole antenna is larger than the microstrip meander antenna. Introduction dipole example w an ansoft hfss example. Pdf high frequency structure simulator hfss tutorial. The formulas we used to calculate the length and width of patch are shown below. The high frequency structure simulator hfss is used to design and simulate the antennas behavior over the different frequency ranges. It consists of rectangular substrate and the metal trace layer as shown in fig.
The simulation results with hfss software prove that the. Design and analysis of a 3ghz printed dipole antenna ieee xplore. The gain of these antennas is between the ranges between 8dbi to 20dbi. It is one of several commercial tools used for antenna design, and the design of complex rf electronic circuit elements including filters, transmission lines, and packaging. This is a rectangular slot microstrip patch antenna design tutorial using hfss software. Introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft.
This antenna is based on the planar rectangle monopole antenna. This antenna has 140 mhz bandwidth, return loss at centre frequency has less than 16. Design of highly efficient dipole antenna using hfss. Measurements confirm the antenna characteristic as predicted in the simulation with a slight shift in frequencies. Design and simulation of microstrip phase array antenna using ads. First the model of the microstrip patch antenna has to be drawn in hfss. A comparative analysis of different conventional and metamaterial based microstrip patch antenna. Mar 07, 2016 hfss microstrip patch antenna analysis and design 1. Pdf simulation od microstrip antenna using hfss researchgate. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the. Simulation and results the proposed antenna was simulated by using hfss high. The return loss and the various gain plots have been studied along with the radiation patterns. Most of wsn systems use the miniature sleeve dipole antenna or printed ifa.1364 1314 153 235 697 411 802 1115 199 249 278 948 321 1471 1356 578 45 1013 574 507 470 543 125 511 1269 1324 550 1343 1035 85 1248 381 1372 909 304