Circular patch the modes supported by the circular patch antenna can be found by treating the patch, ground plane, and the material between the two as a circular cavity. These parameters are the actual radius of patch, effective radius of patch, conductance due to radiation, conductance due to conduction, conductance due to dielectric loss, directivity, input resistance and quality factors due to conduction, dielectric loss, and radiation. We used hfss high frequency structured simulator software for simulation of antenna and to find out the results. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance.
Patch antenna design using hfss ozen engineering and ansys. The dimensions of patch antenna were calculated based on the three essential parameters. Em electromagnetic simulator software ansofts hfsshigh. Design and analysis of circular shape microstrip patch antenna for. Oct 05, 2016 design and realization of circular patch antenna for sband coastal radar abstract. Design of microstrip patch antenna in hfss full hd duration. The return loss and the various gain plots have been studied along with the radiation patterns.
For different wireless applications, the selected range of frequency is 2. Conclusion in this work, the goal was to design and simulate a circularly polarized microstrip patch antenna which has a resonant frequency of 1. Dual ushape microstrip patch antenna design for wimax applications. Design of a high gain circular patch antenna for gsm1800.
Following completion of this course, you will be able to. Circular microstrip antenna cmsa, defected ground structure dgs, high frequency structure imulator. Design and performance evaluation of microstrip antenna for ultrawideband applications using microstrip feed. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. Hfss antenna practices impedance matching antenna with circuit elements and explores examples of finite array design analysis with unit cells and floquet modes. Rectangular patch antenna array slotted design for triple. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement.
This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. The main objective of simulation is to increase the gain of patch antenna. Design of a high gain circular patch antenna for gsm1800 band. So this antenna is having more increased bandwidth. Ijiset international journal of innovative science. The designs are simulated and analyzed by finite element method fem based high frequency structure simulator hfss em simulator software. Of course, tradeoffs also occurs, so you must be careful. Microstrip patch antenna design santa clara university. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Workshop rectangular patch antenna introduction to ansys hfss. Based on the designed patch antenna, many phased arrays will be simulated using hfss. Antenna design procedure we are going to design rectangular microstrip patch antenna with and without slots on fr4 dielectric substrate. Design of square patch antenna with a notch on fr4 substrate. Contrastive parametric analysis of rectangular and circular.
Values of different parameters which we used in antenna design are shown be. Im designing a microstrip circular patch antenna on hfss. 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. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Design and simulation of patch antenna using hfss software. Design and performance evaluation of microstrip antenna. Comprehensive study and design of rectangular and circular microstrip patch antenna free download abstract the comparison between parameters of the rectangular and circular patch antenna is presented in this paper.
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. Design and realization of circular patch antenna for sband coastal radar abstract. Since it help both transmitting and receiving the information. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Micro strip line series feed patch antenna here in this article, series feed patch antenna is used to design the micro strip patch antenna. Gui for the rectangular patch antenna is as shown below. High frequency structure simulator hfss software is used to compute the gain, axial ratio, radiation pattern, and return loss s11 of proposed antenna.
Design of circular polarized microstrip patch antenna for l band international journal of electronics signals and systems ijess issn. Contrastive parametric analysis of rectangular and. Dielectric substrate is the main parameter in design purpose. Now when that happens, the usual microstrip patch antenna analysis comes in. Figure 6 shows the current distribution on the patch. A fortran program was developed to simulate the basic parameters of a microwave circular patch antenna. 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. Table 1 antenna design specification parameter values frequency band used ism band operating frequency.
Design and simulation of ircular microstrip patch antenna. Design and realization of circular patch antenna for sband. We obtain the circular polarization with a single source and upsetting the structure of the patches. Create antennas from the antenna design toolkit or by drawing new geometry. Feb 11, 2015 microstrip patch antenna design using hfss duration. 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 purpose of this project is design and analysis an array of patch antenna at 2. A circular patch antenna of 32 mm radius has been optimized using ansotf hfss. Design of a rectangular microstrip patch antenna using. The objective of this research is to analysis the results of different patches for different dielectric constants as 2. This thesis presents a new design for a circularly polarized antenna based on a circular microstrip patch. Antenna gui design using matlab in this paper utilization of the design equation of rectangular patch antenna and circular patch antenna is done for the preparation of the graphical user interface in matlab. This technological trend has focused much effort on. 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.
Design and performance evaluation of microstrip antenna for. Mar 07, 2016 software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. Comparison of circular sector and rectangular patch antenna. It is one of the several commercial tools used for antenna design. Main purpose of this is to analysis the radiation pattern of rectangular and circular microstrip patch antenna for different dielectric substrates and comparison of these results. The simulation results of antenna shows the return loss is 21 db at 1.
Design and realization of circular patch antenna for s. Make a pdf prototype of patch and ground of the antenna designed in. Thus a compromise has to be made between the antenna dimensions and antenna performance. This antenna applicable where the light weight is the main requirement. Design of a rectangular microstrip patch antenna using inset. Hey guys do read the steps given below before watching video. Microstrip patch antenna design using hfss duration. Hfss stands for high frequency structural simulator. Design and simulation of ircular microstrip patch antenna ieee. 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. Jun 22, 2016 hey guys do read the steps given below before watching video.
With chemical etching method you can design a patch antenna in a simple way with few steps. In this antenna design, a circular patch on the upper plane of the antenna and etched multiple lshape structure on the ground plane. Here is an album with the results of the antenna in case you need any more results, let me know, ill compute and upload. Analysis and design of circular microstrip patch antenna at 5.
The design of proposed patch antenna with dgs is shown in the figure 6. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. In this paper, a design and realization of a coastal radar antenna that works on sband frequency was presented. As it is seen on the graph, while current is crowded on the center of the antenna it is much less, at the corners.
Design and analysis of circular microstrip antenna at. In this paper, the modification of the circular patch has been done which resulted the biconvex lens structure and then the design has been done by using the hfss software. Circular polarization is generated by truncating two opposite edges from a circular patch antenna at 45 to the feed. The operation frequency of patch antenna was designed at 2. The second design is composed of one loop director and one rectangular. Introduction an antenna is one of the essentialparts for microwave communication. 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. The coordinate axis is taken at the center of the patch or substrate. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. It consists of rectangular substrate and the metal trace layer as shown in fig. Amalu department of physics, university of jos, jos, nigeria. I had divided this designing into 5 parts or steps. The dimensions of antenna can be found in the hfss simulation file. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna.
The fundamentals of patch antenna design and performance. This video shows the simulation of circular patch antenna with the help of software hfss. In desiging the microstrip patch antenna many parameters are important. A dual band antenna and a microstrip fed patch antenna, used in the communication lab. The two iterative circular fractal antenna have been designed and simulated with ansoft hfss and fabricated on fr4 substrate with dielectric constant of 4. Abstract a fortran program was developed to simulate the basic parameters of a microwave circular patch antenna. Feb 23, 2017 design and simulation of patch antenna using hfss software. Hfsss microstrip patch antenna design part1basics of. Pdf dual frequency circular microstrip patch antenna design. After the simulation, the micro strip antenna is fabricated using fr4, with dielectric constant. Design analysis of microstrip patch antenna for rectangular.
Comparison of circular sector and rectangular patch. Im designing a microstrip circular patch antenna on hfss, and had a few fundamental questions. Also the circular patch antenna offers about 8% higher radio bandwidth and nearly 2. 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. The parameters evaluated were gain, beamwidth and return loss. The antenna designed on a substrate of dimension 59 mm 79 mm. Type of antenna that had been used in this research is a microstrip patch antenna.
Antenna design antenna modeling software ansys hfss. Series feed arrays are frequencysensitive and lead to bandwidth restrictions. Design of circular fractal antenna for dual band and uwb. 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. Abstractin this paper, the design of crown circular shaped fractal microstrip patch antenna is presented.