In this paper, a rectangular microstrip patch antenna is designed using hfss software. The following image shows a microstrip or patch antenna. Threeelement vectors of cartesian coordinates in meters. 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. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. For printed antennas designed using hfss following are the steps for antenna fabrication. The formulas we used to calculate the length and width of patch are shown below. Mar 07, 2016 hfss microstrip patch antenna analysis and design 1.
Click here to go to our page on circular patch antennas new for september 2018. Now when that happens, the usual microstrip patch antenna analysis comes in. Github wissamantouncircularlypolarizedpatchantennahfss. Design and simulation of microstrip phase array antenna. Of course, tradeoffs also occurs, so you must be careful. A reconfigurable stacked microstrip patch antenna for. Hfss design of rectangular patch antenna using microstrip line feedingedge feeding duration. It is one of the antenna designing tools and it is a high performance fullwave electromagnetic em field simulator for the 3d. Design of a stacked microstrip patch antenna using hfss abstract. The design of a stacked aperture coupled microstrip patch antenna is very challenging when dealing with wideband impedance matching. The microstrip line model method is used and been simulated by using hfss software. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. The designed antenna has a resonating frequency of 2. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields.
This diagram shows the basic structure of the proposed logperiodic microstrip antenna. Apr 30, 2018 microstrips patch antenna design and stimulation in ansys hfss software. Microstrip patch antennas research papers academia. Antennas using patches as constitutive elements in an array are also possible. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
To determine the width w, the microstrip patch antenna calculator was used to provide an initial. Design of a stacked microstrip patch antenna using hfss. Abhishek can you sent me test mail so i wll sent my. The return loss, radiation pattern and 3d gain are evaluated in our project. Problem in designing patch antenna using hfss im having quite trouble with hfss based designing of a microstrip patch antenna, since im a beginner with hfss and also antenna design ive studied rf and microwave engineering and emf theory though. Siddaiah procedia computer science 85 2016 401 a 409 fig. Antdevco employees have designed andmanufactured spacecraft microstrip patch antennas for many small spacecraft programs. Microstrip patch antenna design santa clara university. Resonant frequency of the antenna10ghz relative permittivity of the substrate. 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. Hfss tool is used to design nearzero index metamaterial unit cell with pec and pmc boundary conditions. A low profile, unidirectional, dual layer, and narrow bandwidth microstrip patch antenna is designed to resonate at 2.
Microstrip patch antenna mpa is widely implemented in different communication systems. Microstrip patch antenna has a ground plane on the one 1. 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. Ansys hfss with hpc for large finite antenna array design.
The patch is generally made of conducting material such as copper and gold wikipedia, 2010. Introduction microstrip antenna is the good choice for wireless communication and wireless devices because of their properties like light weight, low cost, lowprofile, small dimension easy fabrication, advantages, compactness and its efficiency. So for a beginner, hfss is really easy to learn once you have got it installed on your system. The proposed antenna is suitable for specific applications, such as security and military systems, which require a narrow bandwidth and a small antenna size.
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. The software used for the simulation and modeling of the antenna is hfss high frequency structural simulator. The dimensions of antenna can be found in the hfss simulation file. In the 1st trial i designed a microstrip patch antenna in this for feeding point. Hfss with hpc for large finite antenna array design. Hfss are used in our project for the simulation and design calculation of microstrip patch antennas. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. The most common type of microstrip antenna is the patch antenna. It includes instructions to create, simulate, and analyze a probe feed patch antenna.
Introduction microstrip patch antennas have drawn the. Does anyone is having a microstrip patch antenna designed in. The radiation pattern of microstrip or patch antenna is. Name is the property name and value is the corresponding value. I am trying to simulate the s11 parameter of the patch antenna but i do not know how. Fig 1 structure of the rectangular microstrip patch antenna in this paper a rectangular microstrip antenna is designed at l 2 frequency, suitable for use in space monitoring applications. Analysis and design of rectangular microstrip patch. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board.
Simulation and results the proposed antenna was simulated by using hfss high. Ansoft simulation software highfrequency structure simulator hfss. This paper also presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array, in kuband. We have used dxf file format and given it to the automatic antenna fabricating. Microstrip patch antenna array design to improve better gains. This is a rectangular slot microstrip patch antenna design tutorial using hfss software. Uhf patch antennas for space antenna development corporation, inc.
The center frequency will be approximately given by. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. This tutorial is to provide future students a way to design and simulate their microstrip patch antennas on hfss for their senior design project. Hfss model of microstrip antenna with rectangular patch the simulation of the rectangular patch antenna by means of hfss, it was found that the band is. Rectangular patch antenna array design at ghz frequency. International journal for research in applied science. Gain enhancement of a microstrip patch antenna using a. Applications include gps, usaf sgls, nasa sn including. 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. The patchmicrostrip object is a microstrip patch antenna. As a result, the mesh on the airbox is less refined than the mesh on the antenna. Microstrips patch antenna design and stimulation in ansys hfss software. Design of a rectangular microstrip patch antenna for gnss.
Analysis of finite phased arrays of microstrip patches, ieee trans. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. Pdf workshop rectangular patch antenna introduction to. Hfss tutorial modelling a rectangular patch antenna. The dimensions of this antenna are 59 mm and 79 mm. Github rohandeshmukh9673microstrippatchantennagain. Patch antenna layout showing substrate and patch trace. Analysis and design of rectangular microstrip patch antenna. Design of microstrip patch antenna the ieee maker project. Changing the dielectric constant of a microstrip patch. Performance analysis of rectangular microstrip patch. 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. Design and analysis of microsrtip square patch antenna under the kind guidance of.
It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Keywords microstrip patch antenna, frequency, gain, beamwidth, hfss,wireless communication. Rectaangular microstrip patch antenna for wireless. These antennas are capable of supporting high data rates to at least 10 watts of transmittedpower. One of the main disadvantages of mpa which limits its applications is its narrow bandwidth. Dec 04, 2012 uhf patch antennas for space antenna development corporation, inc. Input impedance 100 resonant frequency of the antenna10ghz. I learnt this software in my final year of college and made my project using it. View microstrip patch antennas research papers on academia. Changing the dielectric constant of a microstrip patch antenna in antenna toolbox. Design and fabrication of microstrip patch antenna at 2. Keywords hfss, patch antenna, vswr, sparameter, sma connector i. Hfss microstrip antenna design stripline feeding youtube. Download probe fed patch antenna hfss tutorial free.
Eshape microstrip patch antenna design for wireless. It consists of rectangular substrate and the metal trace layer as shown in fig. To design our stacked microstrip patch antenna at around 2 ghz. Gain and directivity graphs of circular patch microstrip phase array antenna. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. Dec 20, 2014 this paper also presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array, in kuband. Impedance matching is a major challenge because the effect of changing one of the parameters in not independent of the others. Keywords microstrip patch antenna, wlan, ansoft hfss i. Microstrip patch antenna with slots in ground plane. Analysis and design of circular microstrip patch antenna at 5. Metamerial superstrate is used to increase the gain of microstrip patch antenna by 2.
The frequency of operation of the patch antenna of figure 1 is determined by the length l. Increasing microstrip patch antenna bandwidth by inserting. You can specify several namevalue pair arguments in any order as name1, value1. Ansys hfss simulates 3d fullwave electromagnetic fields for accurate and rapid design of highfrequency and highspeed electronic components. Performance analysis of rectangular microstrip patch antenna for wireless application using fpga. Microstrip patch antenna design using hfss duration. As the microstrip patch antenna consist of a ground a patch and a substrate. Click modeler in the menu bar of hfss and then click export. Properties not specified retain their default values. A rectangular patch design equations are introduced and validated by well simulated results. Single microstrip layer holds uwb logperiodic antenna.
Workshop rectangular patch antenna introduction to ansys hfss. Index terms eshape microstrip patch antenna, hfss high frequency structure simulator version software, wideband. Since the field is strongest at the feed and the convergence is based on the sparameters at the port, hfss will refine the mesh more at the feed than on the airbox. Design of a rectangular microstrip patch antenna for gnssgps. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices. 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. Does anyone is having a microstrip patch antenna designed in hfsscst for uwb range. 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. First the model of the microstrip patch antenna has to be drawn in hfss. Proposed rectangular microstrip patch antenna using hfss software.
We need to manually adjust the mesh on the airbox because of the way hfss generates the adaptive mesh. Ansoft hfss high frequency structure simulator is an integrated fullwave electromagnetic simulation and optimization package for analysis and design of 3dimensional microstrip antennas and high frequency printed circuits and digital circuits such as microwave and millimeterwave integrated circuits mmics and high speed printed circuit boards pcbs. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Antenna configuration the antenna is simulated on rogers tmm4 substrate with a dielectric constant of 4. Rectangular microstrip patch antenna, return loss, vswr, bandwidth, high frequency structure simulator hfss v 11, wireless communication. This work is mainly focused on increasing the gain as well as reducing the size of the unidirectional patch. 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. In this paper i enhanced the bandwidth of mpa by inserting multiple slots in its ground plane. Microstrip antennas have long been used as reliable components with small profiles, large directional beams, and high gain. Model a simple 9x5 probefed patch array from a reference.
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