It is one of the several commercial tools used for antenna design. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. But of course, if youre comparing to uwb antennas, definately it will seem narrowband to you. The fundamentals of patch antenna design and performance. Hfss employs brilliant graphics to give you unparalleled performance and insight to all of your 3d em problems. Patch antenna consist of a ground substrate and a patch on top of it see fig. The operation frequency of patch antenna was designed at 2. This paper explains about a 3x3 rectangular microstrip patch antenna arrays using hfss 14. A single bullet indicates that the procedure has only one step. Pdf workshop rectangular patch antenna introduction to. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig.
Ansoft hfss 16 crack mediafire links free download, download ansoft hfss. As an example, the real and imaginary parts of zin z11 have been shown in the figure below. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. The parameters evaluated were gain, beamwidth and return loss. This slide describes design and simulation about the micro strip patch antenna using hfss software.
Workshop rectangular patch antenna introduction to ansys hfss. This webinar is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Licensed to youtube by wmg, ultra music, merlin xelonentertainment, kontor records on behalf of. A circular patch antenna of 32 mm radius has been optimized using ansotf hfss. The simulation gave results good enough to satisfy our requirements to fabricate it on hardware which can be used wherever needed. Now we move on to the next part that is patch antenna. Increasing microstrip patch antenna bandwidth by inserting. The antenna is simulated and optimized for s 11 and radiation pattern at 77 ghz using hfss.
Design quarter wavelength feed patch antenna and recessed patch antenna to meet project specifications. The performance parameters were achieved with return loss 16. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. In the view of design, selection of patch width and length are the major parameters along with feed line depth.
It is vital to ensure that the patch antenna is designed in such a manner that it resonates at the desired frequency. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. The dimensions of patch antenna were calculated based on the three essential parameters. The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or some other common shape. Structure of patch antenna design in hfss athe 2x2 patch array antenna design is shown in below figure in 3d model.
This technological trend has focused much effort on the basic concepts. The dualband operation of a microstrip patch antenna on a duroid 5870 substrate for ku and kbands is presented. Design and simulation by hfss of a slim uwb pifa antenna. The antenna with airbox and waveport setup is shown in fig. The design procedure with design equation is as follows. Size reduction of microstrip patch antenna by using meta.
The patch antenna is a good place to start for antenna fundamentals with more coming. Can anyone upload a video of how to design fractal antenna using hfss v15. But illustrates sizes and importance of good antenna design why microstrip antennas. Microstrip patch antenna analyze geometry from 5ghz to 15 ghz antenna is resonant around 10 ghz 50 ohm port impedance outputs return loss plot in rectangular format far field radiation plot 2d and 3d substrate rogers rtduroid 5880. Last updated on jul 20, 2015ansoft hfss 16 crack mediafire direct download links. To me, as long as anything that has a bandwidth of more than the conventional 10% 15 % e. Microstrip patch antenna array design to improve better. The desired microstrip patch antenna design is initially simulated by using hfss simulator and. Simulate and analyze linear end fire array of patch antenna design. This helps in the design of many of simple antennas. Rectaangular microstrip patch antenna for wireless.
The results obtained by using hfss for elliptical microstrip patch antennas are in good agreement with available. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. Patch antenna design using ansys hfss webinar ozen. First iteration of peano curve is chosen to fractalize the antenna and three models of csrr is embed. Antennas you can rely on ansys hfss for accurate results regarding the performance of your antennas, both as components and when integrated into an operating environment.
Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. Hfss can be used to calculate vswr, gain, radiation pattern and sparameters. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. The gain of antenna is increased by inverted suspended circular. The laalo 3 was chosen as a substrate material for the designed patch antenna with a dielectric constant of 23. Depending on the scale of the problem and results desired, you can select from a range of solver technologies and hpc enhancements available as addons. The ground plan has the same dimensions as the antenna. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Now when that happens, the usual microstrip patch antenna analysis comes in. The designed antenna has a resonating frequency of 2. The proposed antenna has been designed, simulated by using hfss high frequency structural simulator software 15. I am designing a microstrip antenna, im searching for a step by step. Design of a high gain circular patch antenna for gsm1800. Analysis and design of circular microstrip patch antenna at 5.
The main objective of simulation is to increase the gain of patch antenna. For the proposed design this paper got a high gain of 17. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. Hfss tutorial 1 microstrip patch antenna with coaxial feeding duration. In the modern days the development in communication systems engineering requires the development of low profile antennas that are capable of maintaining high performance over a wide spectrum of frequencies. Dualband operation of a microstrip patch antenna on a. Hfss stands for high frequency structural simulator. Microstrip patch antenna using hfss linkedin slideshare. It was assigned with a airbox boundary and virtual radiation to. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Simulation and results the proposed antenna was simulated by using hfss high. A patch antenna for application in automotive radar is designed and fabricated on ro3003 pcb board. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e.
Antenna design antenna modeling software ansys hfss. Microstrip patch antenna design santa clara university. This thesis introduces the agilent high frequency structure simulator hfss as an. Hfss ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. 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. Of course, tradeoffs also occurs, so you must be careful. The simulation results of the designed triple band eshaped microstrip patch antenna were also presented. The simulation results of antenna shows the return loss is 21 db at 1. 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. Fractalizing the classical shape is a first step of reduction and adding csrr as defect on the patch is the second step. The designed antenna is suitable for mobile communication, cell phone antennas etc. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Hfss software free download crack for 15 ziabefmeddwor.
Design of coaxfed eshaped microstrip patch antenna with. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. The fabrication of the proposed antenna is performed with slots and a duroid 5870 dielectric substrate and is excited by a 50. The antenna is of low profile, conformable to planar surfaces, simple and inexpensive to manufacture using modern printedcircuit technology. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. It includes instructions to create, simulate, and analyze a probe feed patch antenna. Determining input impedance of patch antenna in hfss. Microstrip patch antenna with slots in ground plane. The patch is placed at a height h equal to 2 mm from the ground plan. It consists of patch elements on one side of a dielectric substate and a planar ground on the other side. A highfrequency structural simulator hfss is used which is based on the finite element method fem in this research.
337 541 1011 300 1620 773 589 577 1630 1311 1393 286 1594 796 783 671 691 1320 1144 501 1039 1554 472 994 472 1094 439 341 760 469 1207 1171 847 1499 389 1460