The design of a circular patch microstrip antenna has been proposed using hfss software. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant 4. Microstrip patch antenna calculator patch antenna formula. If substrate thickness is increased in the design then the. The hfss antenna course explores antenna related hfss topics such as radiating boundaries, including how well they absorb energy from different angles, and hybrid regions which connect different antenna simulations together. 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. Issn 2348 7968 the designed structure of microstrip patch antenna is shown in fig 1. Two pieces of circular and rectangular microstrip patch antenna is designed for results by. This thesis presents a new design for a circularly polarized antenna based on a circular microstrip patch. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Determination of radius of circular microstrip antenna. Microstrip patch antenna array design to improve better.
Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. This tutorial video demonstrates how to model and simulate coax fed patch antenna in ads. However, such a configuration leads to larger antenna size. It consists of rectangular substrate and the metal trace layer as shown in fig. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. The parameters evaluated were gain, beamwidth and return loss. Analysis and design of rectangular microstrip patch. Patch antenna design using hfss ozen engineering and ansys.
This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Hi, i am also running the ansys19 version from my school florida international university. This video tutorial shows how to design a microstrip patch antenna in hfss software. Plot the s matrix in db to check if the designed antenna resonates at the specified 10ghz b plot the mag of zo to check if the input impedance is 100ohm as designed. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed. Design and analysis of circular ring microstrip antenna. Note that after you insert a design, you do not need to perform the steps sequentially, but they must be completed before a solution can be generated. Now, i want to wrap the antenna on a cylindrical surface and.
Analysis and design of circular microstrip patch antenna at 5. The dimensions of antenna can be found in the hfss simulation file. The width for each was held constant but calculated based upon 1. This paper organized into four sections, section i antenna design, section ii feeding techniques, section iii the design in hfss and section iv conclusion. Hope this may help the beginner in patch antenna modeling using hfss. Hfss design of circular patch antenna using coaxial feeding. The fundamentals of patch antenna design and performance. Hfss is one of several commercial tools used for antenna design, and the design of complex radio frequency electronic circuit elements including filters, transmission lines, and packaging.
Thus a compromise has to be made between the antenna dimensions and antenna performance. I had divided this designing into 5 parts or steps. Hfss tutorial 1 microstrip patch antenna with coaxial. Its the final year presentation at 75% of its full flow. In this video, im giving a little overview on how to use hfss to design a microstrip patch antenna. Abstract microstrip patch antenna is widely used because of its advantages but main drawback is its narrow bandwidth, to overcome this drawback software like hfss, cadfeko can be used for optimum patch design that includes design patch and ground plane dimensions, an. The patch antenna is a good place to start for antenna fundamentals with more coming. To set up an hfss design, follow this general procedure. This page covers advantages and disadvantages of microstrip patch antenna. Our patch antenna was designed based upon an ideal rectangular patch antenna. Antenna design circular microstrip antennas basically consist of a radiating patch on one side of a dielectric substrate, which has a. Microstrip patch antenna design principles ben horwath. Deign of circular patch microstrip antenna, for exact 3 0. How to design coax fed patch antenna in ads youtube.
Step by step procedure explanation of antenna design using hfss software hfss basics. Design parameters port extension height port extension height only applicable to 4 arm spirals spiral antenna only supports 2 or 4 arms eight antenna characteristics directivity polarization bandwidth medium circular wide ref. Hfss is a commercial finite element method solver for electromagnetic structures from ansys. The second design is composed of one loop director and one rectangular. 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. A dual band antenna and a microstrip fed patch antenna, used in the communication lab. The size miniaturization of microstrip patch antenna is. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. We design a patch antenna with required dimensions and implement that model or simulated in hfss. These are very low size antennas having low radiation. Hey guys do read the steps given below before watching video. This video shows the simulation of circular patch antenna with the help of software hfss.
High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. Design of microstrip patch antenna in hfss full hd youtube. If your assumptions are correct as per hfss manual depending on. First the model of the microstrip patch antenna has to be drawn in hfss. The assigned value of patch, ground, substrate and port of the antenna are adjusted to produce. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. Bandwidth enhancement of circular microstrip patch antenna. Probe feed patch antenna2 probe feed patch antenna getting started click the microsoft start button, select all programsansofthfss 12hfss 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. Abstractlike many forms of microstrip patches, the annular ring has received considerable attention. Find out what frequency you want for wifi you are using 2.
Mostly patch antennas are directly designed in printed circuit boards pcb. Any doubtssuggestions please drop in the comment box. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. But as per patch antenna design equations of w and l at 2. This slide describes design and simulation about the micro strip patch antenna using hfss software. The beauty of this antenna is the use of single patch which make it easy to fabricate consequently cost of antenna becomes cheaper. Microstrip patch antenna design santa clara university.
Rectaangular microstrip patch antenna for wireless. When operated in its fundamental tm mode, this printed antenna is smaller than its rectangular or circular counterparts. 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. Design of microstrip fed circular patch antenna using. Design of microstrip patch antenna in hfss full hd. This method is very simple to design and fabricate. It provides links on various topics on microstrip patch antenna. Getting started with hfss georgia institute of technology. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. I need to design a patch the student community is a public forum for authorized ansys academic product users to share ideas and ask questions. Design of circular polarized microstrip patch antenna for l band international journal of electronics signals and systems ijess issn. Circular shaped microstrip patch antenna at 5 ghz using hfss. Hfss design of circular patch antenna using coaxial feedingprobe.
Ijiset international journal of innovative science. Hfss tutorial 2microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch. In this antenna design, a circular patch on the upper plane of the antenna and etched multiple lshape structure on the ground plane. Initially two rectangular patches were designed, one for each desired frequency. Coupling of power to the microstrip patch antenna can be done by probe feeding. It highlights several antennarelated applications with emphasis on. The video is specially for the antenna designers for more details about the. 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. It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks. The acronym stands for highfrequency structure simulator.
P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Following equations or formula are used for this microstrip patch antenna calculator. Micro strip antenna consists of a very thin metallic strip placed on a. Now i want to know how i can find microstrip losses in cst for high frequency. Hfss design of rectangular patch antenna using microstrip line feedingedge feeding. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. The resonant frequency rf of a circular patch antenna is approximately given without considering the effect of probe radius by 1. The structure consists of a conducting patch and a ground plane between which is a substrate that can either be air or a. The 2x2 patch array antenna is simulated using ansoft hfss. The base hfss offering includes 3d and layout interfaces, 2. The design of proposed patch antenna with dgs is shown in the figure 6. This article will show you how to build a monopoly for any use you see fit. Design and analysis of circular ring microstrip antenna rajesh kumar1, dr. 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.