As the microstrip patch antenna consist of a ground a patch and a substrate. Design and analysis of microsrtip square patch antenna under the kind guidance of. Now, i want to wrap the antenna on a cylindrical surface and. This video tutorial shows how to design a microstrip patch antenna in hfss software. Keywordsmicrostrip patch antenna, frequency, gain, beamwidth,hfss,wireless communication. First the model of the microstrip patch antenna has to be drawn in hfss. Index terms eshape microstrip patch antenna, hfss high frequency structure simulator version software, wideband. Ill use the terms microstrip antenna and patch antenna interchangeably. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. In this section, well discuss the microstrip antenna, which is also commonly referred to as the patch antenna. The structure consists of a conducting patch and a ground plane between which is a substrate that can either be air or a. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. 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 the opposite side.
Jan 31, 2015 microstrip or patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surfac. Dear all i am dealing with the transition from microstrip line to waveguide both are on substrate pcb. Microstrip patch antenna array design to improve better. Microstrip patch antenna array design to improve better gains.
By using a straightforward transmissionline model, it is possible to accurately model and analyze microstripline insetfed patch antenna designs. How to design a multiband microstrip antenna in hfss. This project demonstrates the simulation of a microstrip patch antenna at lband. The patch antenna is a good place to start for antenna fundamentals. For example, i applied this technique in antenna design for uwb by keeping the. In this paper, the radiation characteristics of a microstrip patch antenna are investigated systematically for various sizes of a square grounded dielectric substrate with various dielectric constants by the simulation using hfss and experiment. Hfss microstrip patch design for 30 ghz part 1 youtube.
Antenna design antenna modeling software ansys hfss. Basic electromagnetic field quantities and, for open. Effect of the effective dielectric constant on the radiation. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Microstrip antennae are very simple in construction using a. By using a straightforward transmissionline model, it is possible to accurately model and analyze microstrip line insetfed patch antenna designs. Motilal nehru national institute of technology allahabad.
Filter design using ansoft hfss university of waterloo. The patchmicrostrip object is a microstrip patch antenna. Input impedance 100 resonant frequency of the antenna10ghz. Microstrip antennae are very simple in construction using a conventional microstrip fabrication technique. In this report, we have investigated the dimensions of linearly polarized edge fed rectangular. The dimensions of antenna can be found in the hfss simulation file. The most common type of microstrip antenna is the patch antenna.
The structure consists of a conducting patch and a ground plane between which is a substrate that can either be air or a dielectric such as teflon. This work is mainly focused on increasing the gain as well as reducing the size of the unidirectional patch. Antennas using patches as constitutive elements in an array are also possible. When the antenna is excited, the waves generated within the dielectric undergo reflections and the energyis radiated from the edges of the metal patch,which is very low. 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. A comparison is made between feeding techniques in terms of bandwidth, return loss and vswr. Bandwidth enhancement of circular microstrip patch antenna. So, we can see that selection of the feeding technique for a microstrip patch antenna is an important. Now, i want to wrap the antenna on a cylindrical surface and simulate using hfss tool. While they microstrip patch antenna is designed for 7. It highlights several antennarelated applications with emphasis on. Its the final year presentation at 75% of its full flow. The book discusses basic and advanced concepts of microstrip antennas, including design procedure and recent applications. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices.
The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. 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 with a genetic algorithm. In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for airtoground communication atg applications. This is design and simulation procedure tutorial part 1 for microstrip patch antenna at 30 ghz resonating frequency. Design of microstrip patch antenna figure 1 and 2 show the front view geometry and the structure designed on hfss software of proposed microstrip line fed patch antenna with single band for wlan application. First, you should build the electromagneticl model with backtoback transition that is, microstrip transitionwaveguidetransition microstrip. The best feeding point from the geometry of microstrip patch antenna we can understand that to couple the maximum energy to it the feed is provided beneath the ground directly see fig. Sep 01, 2016 this slide describes design and simulation about the micro strip patch antenna using hfss software. Mostly patch antennas are directly designed in printed circuit boards pcb. Microstrip patch antenna design santa clara university. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques.
The fundamentals of patch antenna design and performance. This type of antenna had its first intense development in the. The patch antenna is a good place to start for antenna fundamentals with more coming. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. The ansoft high frequency structure simulator hfss is a fullwave electromagnetic em software package for calculating the electromagnetic behavior of a 3d structure. Gain enhancement of a microstrip patch antenna using a.
I need to need to design a multiband microstrip antenna in hfss and ie3d. Introduction the concept of micro strip antennas was first demonstrate in 1886 by heinrich hertz and its practical application by guglielmo marconi in 1901 and it can be newly proposed by decamps in 1953. If possible caan u give any example on wrap around antenna i. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. Design, simulation, and optimization of an irregularly. View microstrip patch antenna research papers on academia. Book topics include discussion of arrays, spectral domain, high tc superconducting microstrip antennas, optimization, multiband, dual and circular polarization, microstrip to waveguide transitions, and improving bandwidth and resonance frequency. 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. Effect of the effective dielectric constant on the. Threeelement vectors of cartesian coordinates in meters.
Actually i have three layers in my design one is the pcb substrate and the other two are copper layers sandwitching the substrate. Microstrip patch antenna finds several applications in wireless communication. The study of microstrip patch antennas has made great progress in recent years. Eshape microstrip patch antenna design for wireless.
Fang microstrip antenna design handbook garg et al title says it all, but a few inaccuracies have been found. The theoretical best achievable s11 for a single microstrip patch antenna at high frequency is minus infinity db. Compared with conventional antennas, microstrip patch antennas have. Design and simulation of single band rectangular microstrip. Rectangular microstrip patch antenna, return loss, vswr, bandwidth, high frequency structure simulator hfss v 11, wireless communication. Keywords microstrip patch antenna, frequency, gain, beamwidth, hfss,wireless communication. Pdf simulation od microstrip antenna using hfss researchgate. Microstrip patch antennas represent one family of compact antennas that offers the benefits of a conformal nature and the capability of ready integration with a communication systems printed circuitry. Advancement in microstrip antennas with recent applications. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. May 14, 2018 this video tutorial shows how to design a microstrip patch antenna in hfss software. Mar 26, 2017 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. I have been working really hard on micro strip patch antenna design using hfss. In addtion, air box should be used for the open structure.
Scu center for analog design and research some good references antenna theory and microstrip antennas d. Msas are also known as patch antennas or printed ante. The radiation pattern of microstrip or patch antenna is. Microstrip patch antennas research papers academia. The following image shows a microstrip or patch antenna.
Design of microstrip patch antenna the ieee maker project. 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. Microstrips patch antenna design and stimulation in ansys hfss software. The microstrip patch antenna calculator was used to provide an initial starting point of width w. Microstrip patch antenna has a ground plane on the one 1. Secondly, you use the waveport for the excitation of microstrip. It consists of rectangular substrate and the metal trace layer as shown in fig. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2.
A low profile, unidirectional, dual layer, and narrow bandwidth microstrip patch antenna is designed to resonate at 2. How should i assign the excitaion should i select all three faces or just the substrate. 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. Mar 07, 2016 analysis and design of microstrip square patch antenna using hfss simulation tool. 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.
Getting started with hfss georgia institute of technology. Rectaangular microstrip patch antenna for wireless. Microstrip patch antenna microstrip antennas are one of the most widely used type of antenna. 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. Design and analysis of microstrip patch antenna arrays. Introduction microstrip patch antennas have drawn the. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. But illustrates sizes and importance of good antenna design why microstrip antennas. The dimensions and feed point location for proposed antenna have been optimized so as to get the best. I have designed a microstrip patch antenna that has a dimension of mm x 8 mm. Why should fr4 substrate be mostly used in microstrip patch antenna design. Apr 30, 2018 microstrips patch antenna design and stimulation in ansys hfss software. The microstrip line width is around 500 micrometers. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss.
Microstrip antenna is one of the most popular types of printed antenna. The objective of this tutorial is to simulate a microstrip patch antenna resonating at a. A verticallystacked design is implemented in an attempt to enhance the bandwidth of the antenna. For example, satellite communication requires circularly polarised radiation patterns, which can be realised using either square or circular patch microstrip antenna. Design, simulation, and optimization of an irregularly shaped. Microstrip or patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surfac. The rectangular patch antenna is analyzed, and what is learned here will be applied to understanding pifas planar invertedf antennas. Research and design of rectangular slot microstrip patch antenna. The simulation of the microstrip patch antenna for the two feeding techniques is performed on hfss software. 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. This slide describes design and simulation about the micro strip patch antenna using hfss software.
Finally, we analyzed the 1x4 corporate feed linear microstrip patch array antenna that has been designed with dielectric constants of. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. Microstrip antenna, rectangular patch antenna, hfss 14. 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. Help files, video examples and tools for modeling, simulation, results are well. I hv poblem assigning the excitation for my design. It plays a very significant role in todays world of wireless communication systems.
The comparison of feeding techniques shows that the rectangular microstrip patch antenna with the inset feed has the. Next, a compact rectangular micro strip patch antenna is designed for wlan. Probe feed patch antenna 2 probe feed patch antenna getting started click the microsoft start button, select all programsansoft hfss 12 hfss 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. View microstrip patch antennas research papers on academia. Siddaiah procedia computer science 85 2016 401 a 409 fig. The proposed antenna is suitable for specific applications, such as security and military systems, which require a narrow bandwidth and a small antenna size. I have designed a microstrip patch antenna that works in 2.
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