The focus of the course is rf and microwave, including filter, microstrip and waveguide structures. This tutorial is to provide future students a way to design and simulate their microstrip patch antennas on hfss for their senior design project. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices. For the proposed design this paper got a high gain of 17. Hfsss microstrip patch antenna design part1basics of. Antennas using patches as constitutive elements in an array are also possible. Picking up from where part 1 left off, this article explores the singleelement, rectangular microstrip antenna. How to determine the dimensions l, w, thickness of patch to be used on dielectric. It includes instructions to create, simulate, and analyze a probe feed patch antenna. Microstrips patch antenna with slot array using hfss youtube. How to select the substrate thickness and dielectric constant. In the ansoft hfss tutorial 1, a microstrip patch antenna was simulated and the numerical return loss and radiation patterns were shown. The radiation pattern of microstrip or patch antenna is.
The goal is to match the input impedance zin to the transmission line z0. Microstrip antennas can be manufactured very inexpensively now that reasonably priced, closely controlled substrate materials are available. Introduction microstrip patch antennas are useful for wireless communication, especially in the applications for wifi. 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. The following image shows a microstrip or patch antenna. A microstrip antenna array is one of the simplest forms of antennas available. The resonant input resistance at the edge of the microstrip conductor is generally greater than the feedline characteristic impedance and requires an. Ansys hfss tutorial simulate and analyze an example of microstrip line drew handler, jerry yang october 20, 2014. Properties not specified retain their default values. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. The patch antennas are popular for low profile applications at frequencies above 100mhz.
The most common type of microstrip antenna is the patch antenna. 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. Keywordsmicrostrip patch antenna, frequency, gain, beamwidth,hfss,wireless communication. Following equations or formula are used for this microstrip patch antenna calculator. 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. The antenna enable devices such as, personal laptop, mobile phone, multimedia player or gps to connect or. Microstrip patch antenna has a ground plane on the one 1. In particular, the dimensions of the patch are given along with the feed network. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Step by step procedure explanation of antenna design using hfss software hfss basics. Antenna arrays will be examined later in the series. For australian and new zealand students, tutorials located here.
The return loss and the various gain plots have been studied along with the radiation patterns. Note that since the current at the end of the patch is zero open circuit end, the c. You can specify several namevalue pair arguments in any order as name1, value1. Simulate and analyze a rectangular patch antenna using ansys hfss. The microstrip, or patch, antenna is a relatively new development that was originally patented in 1955 but did not find broad application for almost two decades. Microstrip patch antenna using hfss ansys duration. Msas are also known as patch antennas or printed ante. The efficiency of microstrip antenna arrays may be improved significantly by reducing losses in the feed network.
A practical guide to the designof microstrip antenna arrays. The microstrip line model method is used and been simulated by using hfss software. The purpose of this tutorial is to further discuss the microstrip patch antenna and to present the experimental results. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. The dimensions of antenna can be found in the hfss simulation file. The designed antenna has a resonating frequency of 2. Post processing focuses on sparameter plots and field overlays on geometry. A new dualband microstrip antenna with ushaped slot in this paper, we present a new dual band planar antenna. Part i covers basic antenna theory including gain, directivity, dipole, monopole, and arrays. Does anyone have an idea about the wave port or lumped port in hfss,which should be used especially for microstrip patch antenna in uwb range i. Click here to go to our page on circular patch antennas new for september 2018. Keywords microstrip patch antenna, frequency, gain, beamwidth, hfss,wireless communication. Input impedance 100 resonant frequency of the antenna10ghz.
Design and analysis of microsrtip square patch antenna under the kind guidance of. Hfss tutorial 2 microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch duration. 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. In this paper, a rectangular microstrip patch antenna is designed using hfss software.
I have gone through some online tutorials but i have few queries. These packages aid in the circuit layout design of arrays and also compute the antenna input impedance, radiation patterns, antenna efficiencies etc. The hfss getting started course also introduces high performance computing and parameterized sweeps and optimization in the hfss optimetrics package. Microstrip patch antenna array design to improve better. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. The frequency of operation of the patch antenna of figure 1 is determined by the length l.
A rectangular patch design equations are introduced and validated by well simulated results. Microstrips patch antenna design and stimulation in ansys hfss software. Design equations for microstrip patch antenna design antenna. Name is the property name and value is the corresponding value. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. However, this discussion is limited to a 12ghz plane slot array and radiation and dielectric losses are neglected.
Patch antenna with a quarterwavelength matching section. This video tutorial shows how to design a microstrip patch antenna in hfss software. These are very low size antennas having low radiation. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Antenna projects using hfss electronics electrical projects. The proposed antenna consists of a microstrip patch with a ushaped slot that is fed by a broadband electromagnetic coupling probe, known as lprobe. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. The microstrip antenna can also be matched to a transmission line of characteristic impedance z0 by using a quarterwavelength transmission line of characteristic impedance z1 as shown in figure 2. 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.
Mutual coupling between patch elements are included in the analysis. First the model of the microstrip patch antenna has to be drawn in hfss. Design and fabrication of microstrip patch antenna at 2. They are the original type of microstrip antenna described by howell in 1972.
Pdf high frequency structure simulator hfss tutorial. Microstrip patch antenna design santa clara university. Microstrip patch antenna calculator patch antenna formula. The center frequency will be approximately given by. The fundamentals of patch antenna design and performance. This paper explains about a 3x3 rectangular microstrip patch antenna arrays using hfss 14. Radiation characteristics of the antenna and different methods for control. 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. Hfss, feed point location, microstrip patch antenna, simulation, return lo ss. Design of a rectangular microstrip patch antenna using. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board.
Microstrip patch antenna simulation setup for microstrip fed 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. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. 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. A patch antenna is a narrowband, widebeam antenna fabricated by etching the antenna element pattern in metal trace bonded to an insulating dielectric substrate, such as a printed circuit board, with a continuous metal layer bonded to.
This paper presents a design of simple microstrip patch antenna working on operating frequency of 2. Microstrip patch antenna design linkedin slideshare. I used hff now but i didnt get upon what calculations we need to give coordinates for patchgnd. Introduction ansys hfss is an industry standard tool for simulating 3d fullwave electromagnetic fields.
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