Simple patch antenna design with using cst studio suite. But illustrates sizes and importance of good antenna design why microstrip antennas. Msas are also known as patch antennas or printed ante. This phasedarray design uses a patch microstrip antenna element.
One plate is larger than the other, which is called ground plane and. Antenna design antenna modeling software ansys hfss. Patch antenna cst model the s11 and farfield realized gain plots are depicted in figures 3 and 4, respectively. The cst studio suite student edition introduces you to the world of electromagnetic simulation, making maxwells equations easier to understand than ever. Designed and simulated by cst computer simulation technology. Now when that happens, the usual microstrip patch antenna analysis comes in. A patch antenna is a lowprofile directional radio antenna that is used for indoor locations covering singlefloor offices, stores and small studios. Cst beginners tutorial for microwave antenna design youtube. Along the video some theoretical deficiency and mistaken could be happened. Sband patch antenna cubesat module cubesat by endurosat. Cst input impedance of a patch antenna inset fed with. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for airtoground communication atg applications. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth.
The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. Electromagnetic field solvers for applications across the em spectrum are contained within a single user interface in cst studio suite. Sl t j ti cstmws initial setup select new project in cst mws. Design and simulation microstrip patch antenna using cst microwave studio 1. To design a microstrip patch antenna with the microstrip feed line insetfed work on for wifi 2. This method employs ground plane between two substrates. Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. Create microstrip patch antenna matlab mathworks india. Microstrip antenna design with cst my antenna simulations.
Design of microstrip antenna in cst microwave studio. In this part of the tutorial, we will use the dimension calculated in the first part to design the patch antenna in cst microwave studio. Embedded in the same cst user interface, cst ems features a variety of solver module to tackle electrostatics, magnetostatics, current flow and low frequency problems, and can be coupled to other cst studio suite modules for charged particle and multiphysics simulations. Modeling of patch antennas microstrip patch antennas are among the most common antenna types in use today, particularly in the popular frequency range of 1 to 6 ghz. Microstrip patch antenna design linkedin slideshare. This type of antenna had its first intense development in the 1970s, as communication systems became common at frequencies where its size and performance were very useful. A patch antenna is a popular type of microstrip antenna that is also known as a flat panel antenna. While the apps provide an easy way to design antenna arrays and elements, all of the design capabilities are also accessible directly using matlab scripts. Design and analysis of microstrip patch antenna arrays. 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. Designing of microstrip antenna for free materials of. Cst studio suite is an industryleading em simulation tool, with multiple solvers for suitable for a wide range of applications. Patch antenna design gareth louis shaw a dissertation submitted to the faculty of engineering and the built environment, university of the witwatersrand, johannesburg, in ful. Analysis of micro strip patch antenna using coaxial feed and.
Name is the property name and value is the corresponding value. 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. Getting started with cst microwave studio duration. If you continue browsing the site, you agree to the use of cookies on this website. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. This is the second part of the inset fed patch antenna design tutorial using cst microwave studio. Cst studio suite is a highperformance 3d em analysis software package for designing, analyzing and optimizing electromagnetic em components and systems. Of course, tradeoffs also occurs, so you must be careful. An antenna radiation pattern or antenna pattern is defined as a mathematical function or a graphical representation of the radiation properties of the antenna as a function of space coordinates. A slot will be placed on the ground plane and feed line will be placed on lower substrate.
Our sband antenna ism is a high gain left hand circularly polarized antenna. Feed line distributes rf power to different part of antenna. 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. Design and simulation microstrip patch antenna using cst. Due to its planar configuration and ease of integration with microstrip technology, the microstrip patch antenna has been heavily studied and is often used as elements for an array. Simple dipole antenna to understand the function of the antenna we consider the antenna to be enclosed by a surface volume and radiate in homogenous space free space. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. In general microstrip patch antennas are also known as printed antennas. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Two examples are illustrated, all involving design.
Introduction to antenna and nearfield simulation in cst. Example probe feed patch antenna ansoft high frequency structure simulator v10 users guide 5. Design, simulation, and optimization of an irregularly. 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. Microstrip patch antenna design santa clara university.
The co and cross polarization components of the efield are both plotted. This polarization can be either vertical or horizontal depending on the orientation of the patch. Structurally robust and light weight a microstrip antenna msa in its simplest form consists of a radiating patch on one side of a dielectric substrate and a ground plane on the other side. It derives its name from the fact that it is formed by suspending a single metal patch over another larger metallic plate with a dielectric sheet in between the two pieces. With this free edition, you have access to our powerful visualization engine and some of the most advanced solvers of cst studio suite with some restrictions related to the student edition. The antenna was modeled in cst microwave studio and the results are illustrated below. Microstrip square patch antenna using cst by shamsur.
Antenna simulation models used in my researches and projects. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Design of microstrip antenna in cst microwave studio this is the second part of the inset fed patch antenna design tutorial using cst microwave studio. Microstrip square patch antenna using cst by shamsur rahman akash duration. Additionally, table 1 details antenna characteristics from the cst simulation. It is mounted on a small, rectangular, flat surface and consists of two metallic plates placed upon each other. 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.
These can be used to simulate antenna radiation patterns, installed performance and coupling in realistic environments. Before building antennas, people can use these softwares to. Hfss from ansoft and cst microwave studio are very popular computer softwares that are used for antenna models design. Design variations on microstrip patch antenna using pcb. From now on this mws % variable will be used to operate any matlab function that is used for the % control of cst. Confirm environment air 6 lisbon, it, 22 march 2010 ieee communications society portugal chapter. The fundamentals of patch antenna design and performance. Analysis and design of ism band patch antenna array. 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. Cst input impedance of a patch antenna inset fed with microstrip i am trying to design a patch antenna for 20ghz. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Cst studio suite 3d em simulation and analysis software.
Cst em studio cst ems is dedicated to the simulation of static and low frequency devices. Patch is a radiating element and it can be available in different shapes like square,rectangular,circular,triangular etc. Analytical formulas given in the textbooks for example balanis do not work that well at such high frequencies. The geometry of micro strip patch antenna is shown in fig. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. Analysis of micro strip patch antenna using coaxial feed. Eshail2 oscar 100 dual band patch antenna uhfsatcom.
A microstrip patch antenna mpa consists of a conducting patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on other side. In this video, i have explained example of microstrip antenna by following outlines. The software includes application libraries featuring a variety of antenna examples such as a microstrip patch antenna array used as. Properties not specified retain their default values. There are few basic things that must be known before designing an antenna in general such as. Click here to go to our page on circular patch antennas new for september 2018. On the youtube you can find several tutorials on this topic with these two software.
Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable. A transmit antenna needs a receiving antenna with the same polarization for optimum operation. 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. Design variations on microstrip patch antenna using pcb stack open live script use the pcbstack to design basic, parasitic, directcoupled, and cp patch antennas. You can specify several namevalue pair arguments in any order as name1, value1. This video contains microstrip antenna drawing and simulation with using cst studio suite.