Linear arrays of rectangular microstrip patch antennas. It highlights several antenna related applications with emphasis on antennas on or around other structures. Siddaiah procedia computer science 85 2016 401 a 409 fig. Patch antennas are low cost, have a low profile and are easily fabricated. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. A rectangular patch is designed on the top of the substrate, and. Microstrip patch antenna design santa clara university. A butterflyshaped wideband microstrip patch antenna for. In this work, the simulation tool of ie3d is used to study the performance and gain of the rectangular microstrip patch antenna. Hfss model of microstrip antenna with rectangular patch. In this report, we have investigated the dimensions of linearly polarized edge fed rectangular patch antenna and inset fed rectangular patch antenna on rogers rtduroid 5870tm substrate for wlanwifi applications at a frequency of 2. Then, in subsection b, the ebg substrate is projected to enhance the gain of the patch antenna at its functioning frequency. Probe feed patch antenna 4 probe feed patch antenna als tab.
The patch antenna is a good place to start for antenna fundamentals with more coming. 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. The hfss package is introduced and tested on a basic rectangular patch antenna to confirm well known results in the theory and literature. You can specify several namevalue pair arguments in any order as name1, value1. Optimization of patch antennas via multithreaded simulated.
There is a pretty number of books available on amazon for hfss. Rectangular patch provides good transition and is suitable for design that has higher frequencies. Abstract a micro strip patch antenna for wlan is designed. A novel butterflyshaped patch antenna for wireless communication is introduced in this paper. At the resonant frequency, the impedance of the series lc circuit is zero, and the antenna input impedance is given by resistance. The basic theory and design are analyzed, and simulation done by using hfss to optimize the antennas properties. Antenna aperture antenna introduction basics rules of thumb. Dualband microstrip patch antenna for wireless applications. Typical half wave patches have efficiencies well above 90%. The resonant frequency is determined by l 1 c 1 as in fig 2a. Hfss, feed point location, microstrip patch antenna, simulation, return loss. I was comparing the results of a microstrip resonant patch antenna designed in hfss with ads and empro fem only. Vswr voltage standing wave ratio vswr verses frequency plot.
In 7, circle and rectangular slots on the antenna patch cut o. Design inset fed rectangular patch antenna using hfss. All of the parameters in a rectangular patch antenna design l, w, h, permittivity control the properties of the antenna. Design and simulation microstrip patch antenna using cst. The antenna is designed for wideband wireless communications and radiofrequency identification rfid systems. It consists of rectangular substrate and the metal trace layer as shown in fig. 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 antenna uses an lshaped radiator along with a rectangular patch structure and a lower frame ground to generate a tripleband cp wave. Design of a rectangular patch antenna using computer.
Rectangular microstrip patch antenna, return loss, vswr, bandwidth, high frequency structure simulator hfss v 11, wireless communication. The patch has length l and width w, as shown in fig. Two symmetrical quasicircular arms and two symmetrical round holes are incorporated into the patch of a microstrip antenna to expand its bandwidth. The radiating part patch is the dominant figure of a microstrip antenna. A rectangular strip found to reduce the noise bandwidth and increase gain. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Design, simulation, and optimization of an irregularly shaped. A patch antenna radiates power in certain directions and we say that the antenna has directivity usually expressed in dbi.
The plot shows the gain value at a resonant frequency. The parameters evaluated were gain, beamwidth and return loss. 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. Hfss design of rectangular patch antenna using microstrip line. The antenna radiation reflected lesser in antenna with fss layer by 7. A rectangular micro strip patch antenna for ultra wide band. Pdf design of rectangular microstrip patch antenna researchgate. The 4x1 rectangular microstrip patch antenna array is designed using hfss by placing same microstrip antenna in linear configuration. The dimensions of antenna can be found in the hfss simulation file. This project demonstrates the simulation of a microstrip patch antenna at lband. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. Design of a rectangular microstrip patch antenna using inset. Although to find the peak gain at resonant frequency or any other frequency, following steps should.
Design and analysis of rectangular microstrip patch. Analysis and design of rectangular microstrip patch antenna. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. The directivity of a patch can be estimated quite easily. Introduction microstrip patch antennas have drawn the.
The designed antenna is suitable for mobile communication, cell phone antennas etc. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. The length of the patch for a rectangular patch antenna normally would be 0. The slots create two closely spaced in frequency hybrid operating modes that result in wide bandwidth. Of course, tradeoffs also occurs, so you must be careful. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. I generally use ads momentum for circuit design, not used it for antenna, i usually use hfss for antenna. To draw the width of the patch we use the formula 3. Analysis must include first three modes te10, te20, te01 3. Commonly, microstrip antenna uses rectangular patch rather than other shapes of patches such as circle, oval, ring, elliptical, helical etc. But the resonant frequency and return loss value are completely different. Name is the property name and value is the corresponding value. Sep 01, 2016 aim the aim of the thesis is to design and fabricate an insetfed rectangular microstrip patch antenna and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric constant.
Click the ok button create substrate to create the substrate. Design of printed rectangular monopole antenna using hfss by it and engineering planet. A typical microstrip patch antenna consists of a rectangular patch of metal over a dielectric substrate backed by a ground plane. Antenna design and interface dynamics for cellular handsets. Apr 30, 2018 microstrips patch antenna design and stimulation in ansys hfss software. Microstrip line feeding edge feeding substrate material. The patchmicrostrip object is a microstrip patch antenna. The a radiation patterns of a 10ghz patch antenna in hfss. In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for airtoground communication atg applications. But illustrates sizes and importance of good antenna design why microstrip antennas. To obtain the field patterns, intrinsic impedance and wavelength for the first 4 modes. Now when that happens, the usual microstrip patch antenna analysis comes in. The substrate used in this design is fr4 epoxy substrate with a thickness of 3.
The simulation gave results good enough to satisfy our requirements to fabricate it on hardware which can be used wherever needed. A verticallystacked design is implemented in an attempt to enhance the bandwidth of the antenna. As such, this page gives a general idea of how the parameters affect performance, in order to understand the design process. Design, simulation, and optimization of an irregularly. If the antenna had a 100% radiation efficiency, all directivity would be converted to gain. Rectaangular microstrip patch antenna for wireless. The characteristics of microstrip patch antennas, microstrip sot antennas and printed dipole antennas are compared in table 1. Antenna design the geometry of the proposed antenna is shown in fig. The 2x2 patch array antenna is simulated using ansoft hfss. Improving bandwidth rectangular patch antenna using different. Microstrip patch antenna array design to improve better gains. Patch antennas rectangular and circular probefed patch, insetfed rectangular patch microstrip or patch antennas find uses in applications that require low profile antennas without compromising performance.
Analysis of a rectangular microstrip patch antenna with. Simple rectangular patch antennas with a inset and b probe excitation. The rectangular patch antenna is designed so that it can operate at the resonance frequency. With the rapid growth of wireless communications and increasing demand for high datarates, many upcoming antennas must be ultrawideband uwb. Microstrip patch antenna using hfss linkedin slideshare. In order to simplify analysis and performance prediction, the patch is generally square, rectangular, circular, triangular, and elliptical or some other common shape. Optimization of gain and bandwidth for very high frequency. Properties not specified retain their default values. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
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. Rectangular waveguide hfss r objective getting started with hfss a tutorial using hfss, simulate an airfilled wr90 waveguide shown above. The objective of this tutorial is to simulate a microstrip patch antenna resonating at a. The operation frequency of patch antenna was designed at 2. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. The fundamentals of patch antenna design and performance. In the search by name field, type rogers rt duroid 5880 tm. The 4x1 microstrip patch antenna is designed using same. The vswr obtained is less than 2 the patch antenna is found to have the compact size and 90% maximum fractional bandwidth. The final part of this work has been concentrated on studying an array antenna with two and four elements. Input impedance 100 resonant frequency of the antenna10ghz. 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.
A dualband monopole antenna is fabricated on a microstrip in the laboratory in both unwrapped form and wrapped form using the proteus ares package for automatic construction of the pcb boards. Design and analysis of microstrip patch antenna arrays. From figure 6 it is clear that h slot rectangular microstrip patch antenna has a gain of 8. Design and simulation of single band rectangular microstrip. First the model of the microstrip patch antenna has to be drawn in hfss. Rectangular microstrip antenna and study the effect of antenna dimensions length l, width w and substrate. But, i personally think it would be better for one to go through the hfss guide.
Software presentation banner picture banner banners. To create the infinite ground, you will draw a rectangle as fol lows. The antenna is simulated using ansoft hfss with its characteristics parameters and the corresponding responses are obtained. Microstrip or patch antennas are becoming increasingly useful because they can be printed directly onto a circuit board. The dimensions of patch antenna were calculated based on the three essential parameters. Eshaped microstrip patch antenna 9 a common rectangular patch antenna can be represented by means of the equivalent circuit having l and c.
Now, i want to wrap the antenna on a cylindrical surface and. Now, i want to wrap the antenna on a cylindrical surface and simulate using hfss tool. May 14, 2018 this video tutorial shows how to design a microstrip patch antenna in hfss software. What is the best book for getting started with the hfss. The basics of patch antennas, updated orban microwave. Design of microstrip patch antenna the ieee maker project. In this paper, rectangular microstrip patch antenna and sslot rectangular microstrip patch antenna was designed. In its most fundamental form, a microstrip patch antenna consists of a radiating patch on one side of a dielectric substrate which has a ground plane on the other side. Using this technique the power goes to equal in every antenna element.
Analysis and design of circular microstrip patch antenna at 5. The micro strip patch antenna consists from a ground, a substrate, a patch and a feed line. From the threedimension radiation plot it is clear that s slot antenna has 23. Various parameters, for example the gain, s parameters, directivity and efficiency of. Simulation results this antenna is suitable for operating frequency 3. 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. Microstrips patch antenna design and stimulation in ansys hfss software. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. Examples of 1port and 2port,respectively, component models. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. Microstrip antennas are becoming very widespread within the mobile phone market. H and tslotted rectangular microstrip patch antennas for. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig.
Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. Probe feed patch antenna4 probe feed patch antenna als tab. In this paper rectangular micro strip patch antenna is designed at 3. Design rectangular patch antenna using hfss part 1 youtube. This is a video tutorial on how to design a rectangular patch antenna using ansoft hfss. Dissimilarity in fem results of resonant patch antenna. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Design of various types of patch antenna for wlan application presented by.
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