A rectangular micro strip patch antenna for ultra wide band. Design and simulation by hfss of a slim uwb pifa antenna. The general structure of the micro strip patch antenna is shown in figure 1. First the model of the microstrip patch antenna has to be drawn in hfss.
This thesis focuses on the aperture coupled patch antenna due to the lack of fabrication and tuning documentation for the design of this antenna and its usefulness in arrays. Microstrip antenna design with cst my antenna simulations. A comparison of ansoft hfss and cst microwave studio. Design and simulation microstrip patch antenna using cst microwave studio slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Hfss and cst simulations, once simulation setup and parameters are correctly chosen. Microstrip patch antenna array design to improve better gains. The 2x2 patch array antenna is simulated using ansoft hfss. The dimensions of patch antenna were calculated based on the three essential parameters. In this project, we will use hfss or cst to build structures and simulate for different type of antennas, which are mushroom cell antenna. After starting cst design environment, choose to create a new. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss with the investment of only a few hours of time. The antenna radiation reflected lesser in antenna with fss layer by 7. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss.
Determining input impedance of patch antenna in hfss. Antenna projects using hfss electronics electrical projects. Wideband microstrip patch antenna monopole duration. It consists of rectangular substrate and the metal trace layer as shown in fig. Microstrip patch antenna simulation setup for microstrip fed patch antenna. The hfss getting started course introduces the ansys electronic desktop and familiarizes brand new hfss users with the graphical user interface gui and all of the steps in the hfss workflow. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Click here to go to our page on circular patch antennas new for september 2018. The patch is generally made of conducting material such as copper or gold. The parameters evaluated were gain, beamwidth and return loss. Probe feed patch antenna4 probe feed patch antenna als tab. Design, simulation, and optimization of an irregularly shaped. Following equations or formula are used for this microstrip patch antenna calculator. The performance parameters were achieved with return loss 16.
The frequency range in which the antenna is planed to be be propagating, the size of the. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. I have attached a tutorial to design a probefed patch antenna using cst. A finite size ground plane with a thicker substrate is located about 10mm 0. Ansys hfss getting started also available as selfpaced learning overview. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. Pdf high frequency structure simulator hfss tutorial. The ground plan has the same dimensions as the antenna. The patch antenna is a good place to start for antenna fundamentals with more coming.
Rectaangular microstrip patch antenna for wireless. Does anyone is having a microstrip patch antenna designed in hfsscst for. In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for airtoground communication atg applications. Hfss is high frequency structure simulator it is high performance full wave electromagnetic field simulator 3d volumetric passive device modelling that takes advantages of familiar microsoft windows graphical user interface. The frequency range in which the antenna is planed to be be propagating, the size of the antenna, the material, the gain of the antenna and. The use of slotted patch reduces the size of antenna and higher bandwidth, which is the area that can be improved with the proposed design. The laalo 3 was chosen as a substrate material for the designed patch antenna with a dielectric constant of 23. Analysis and design of circular microstrip patch antenna at 5. Part i covers basic antenna theory including gain, directivity, dipole, monopole, and arrays.
Apr 19, 2016 the resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. Click the ok button create substrate to create the substrate. The frequency of operation of the patch antenna of figure 1 is determined by the length l. Simulate and analyze a rectangular patch antenna using ansys hfss.
Patch antenna design using microwave studio 1 what is cst. After design, the patch was simulated in hfss to get the directivity, the gain curves along with the 3d visuals of the far field radiation and the 3d view of the designed antenna patch. Microstrip patch antenna design linkedin slideshare. Of course, tradeoffs also occurs, so you must be careful. Microstrip patch antenna calculator patch antenna formula. Tutorial on patch antenna design using cst docsity. Please discuss details so i can come up with a completion timeline. It is vital to ensure that the patch antenna is designed in such a manner that it resonates at the desired frequency. Probe feed patch antenna 4 probe feed patch antenna als tab. The fundamentals of patch antenna design and performance. The operation frequency of patch antenna was designed at 2. The center frequency will be approximately given by. In the next video, i will show how i have calculated.
This thesis introduces the agilent high frequency structure simulator hfss as an. Increase of a patch bandwidth is achieved by utilizing a dcp feed, as shown in fig. But illustrates sizes and importance of good antenna design why microstrip antennas. For australian and new zealand students, tutorials located here. May 14, 2018 this video tutorial shows how to design a microstrip patch antenna in hfss software. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed. The basic structure of the microstrip patch antenna is shown in figure 1. In general microstrip patch antennas are also known as printed antennas.
Simulation results this antenna is suitable for operating frequency 3. A linearlypolarized aperture coupled patch antenna design is characterized and optimized using hfss antenna simulation software. 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 vswr obtained is less than 2 the patch antenna is found to have the compact size and 90% maximum fractional bandwidth. For cst this means that the steady state monitor must be set below. In the search by name field, type rogers rt duroid 5880 tm. Techniques for analyzing antenna lattice structures. Jun 01, 2015 design and simulation microstrip patch antenna using cst microwave studio slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. The process started with the design of a rectangular patch antenna with the traditional transmission line and cavity methods, followed by a simulation with the finitedifference timedomain method fdtd in conjunction with a genetic algorithm. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Patch antenna design using hfss ozen engineering and ansys. Uwb antenna simulation with cst and hfss eda board.
As an example, the real and imaginary parts of zin z11 have been shown in the figure below. Design and simulation microstrip patch antenna using cst. Uwb antenna simulation with cst and hfss sahello every body i have realized projet like this one but the resultat are incorrect pleazz can you send me you project pleazz 8th may 2010, 15. 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. Does anyone is having a microstrip patch antenna designed in. In this project, we will use hfss or cst to build structures and simulate for different type of antennas, which are mushroom cell antenna, patch antenna, dielectric antenna, and spiral antenna. Jun 22, 2018 simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. How to design coaxial feed for conformal antenna in hfss or cst. Now when that happens, the usual microstrip patch antenna analysis comes in. The designed antenna has a resonating frequency of 2. This work presents a simulation of two different feeding techniques of microstrip patch antenna. If you continue browsing the site, you agree to the use of cookies on this website.
Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. The dimensions of antenna can be found in the hfss simulation file. 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. In this project, i have designed and simulated microstrip patch antenna working in 2. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. In this paper, a rectangular microstrip patch antenna is designed using hfss software. The patch is placed at a height h equal to 2 mm from the ground plan. How can one design bottom feed microstrip antenna using cst.
Example probe feed patch antenna ansoft high frequency structure simulator v10 users guide 5. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. Resonant frequency of the antenna10ghz relative permittivity of the substrate. Microstrip patch antenna design santa clara university. The top layer shows the patch, the middle layer shows the substrate and the bottom layer constitutes the ground plane. There are few basic things that must be known before designing an antenna in general such as. This video tutorial shows how to design a microstrip patch antenna in hfss software. Design and simulation microstrip patch antenna using cst microwave studio. The design of the single rectangular patch in hfss. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2.
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