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 return loss and the various gain plots have been studied along with the radiation patterns. Hello, this is the tutorial video on ansoft hfss software. A microstrip antenna consists of conducting patch on a ground plane separated by dielectric substrate. Students registered in ece451 can get free access to ansys hf package from the university of illinois software webstore. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Add solution setup specify the operating frequency insert far field setup. Hi quirarte, we need to manually adjust the mesh on the airbox because of the way hfss generates the adaptive mesh. A dielectric resonator antenna problem results for analysis after setting up the antenna problem and generating a solution, you will. Design procedure a probe feed patch antenna is designed with the. A rectangular micro strip patch antenna has been investigated and its performance has been analyzed with the aid of an soft hfss. Since a microstrip patch antenna radiates normally to its patch surface. Similarly, doubleclick on any individual pdf file to view in the adobe reader program.
An additional rectangular conductive plate of comparable dimensions was placed above the patch in order to enhance the bandwidth. The design of the proposed antenna involve two phases, the first phase is to design and simulate a simple micro strip patch antenna and the second phase involves design and simulation of patch antenna with fss structures using the design in the first phase as a base antenna. In 7 three different geometry shape, the u, e and h were developed from a rectangular patch of width w 32 mm and length l 24 mm. Microstrip patch antenna have been analyzed and studied. Follow the installation guide to install the software on your pc. The second group focused on the design and simulation of patch antennas which are widely used in cell phones today with an emphasis on optimization of a 1. Design and analysis of micro strip antenna using hfss software. It consists of rectangular substrate and the metal trace layer as shown in fig. The designed antenna is suitable for wlan application. A slot will be placed on the ground plane and feed line will be placed on lower substrate.
Design, simulation and analysis of a probe feed patch. 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. This tutorial is to provide future students a way to design and simulate their microstrip patch antennas on hfss for their senior design project. Antenna characteristics directivity polarization bandwidth medium linear narrow inset gap inset distance feed width. This method employs ground plane between two substrates. Introduction antenna definitions w what is an antenna. Workshop rectangular patch antenna introduction to ansys hfss.
Sun 52 reading the current smith ch art in figure 3, the actual antenna impedance is given by the calculation of the normalized input impedances, z in, such that z 0. In reference to this in our paper we have designed a serrated rectangular microstrip patch antenna on fr4 substrate. This article, the first of a multipart series on microstrip antennas, discusses antenna characterizationfrom antenna. Design of an 868 mhz printed sshape monopole antenna. Pdf workshop rectangular patch antenna introduction to. Flexible patch antenna in recent years has made a great progress in the field of electronics due to various advantages provided by its design i. Analysis and design of rectangular microstrip patch. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss.
Www mwrf com sites mwrf com files 1118 mw 30 q table1. The operation frequency of patch antenna was designed at 2. The patch is placed at a height h equal to 2 mm from the ground plan. Cross section of a patch antenna in its basic form a half wave long patch operates in what we call the fundamental mode.
Conventional patch designs yield bandwidths as low as a few percent. Directional patch antenna array design for desktop. The length of the patch for a rectangular patch antenna normally would be 0. First steps verify the correct installation of openems. Creating the microstrip repeat the previous steps to create 7 more variables with the following values.
Tutorials empire xpu fdtd simulator for 3d em modeling of. Figure 4 present the radiation pattern for the proposed patch antenna. Ansys hfss is an industry standard tool for simulating 3d fullwave electromagnetic fields. The fundamentals of patch antenna design and performance. Nsma antenna systems standard format for digitized. Eferences fig7 3d polar plot of patch array antenna from the figure above, the aceived gain was 12.
Design and simulation of a slotted patch antenna sensor. The dimensions of antenna can be found in the hfss simulation file. Nominal antenna circuit model parameters are determined. Since the length of the patch has been extended by. The patch antenna was designed by using the simple cavity method8 fig. Basic geometry of a simple rectangular micro strip 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. The dimensions of patch antenna were calculated based on the three essential parameters. A circularly polarized smallsize microstrip antenna using. The ground plan has the same dimensions as the antenna. Pattern analysis of the rectangular microstrip patch antenna. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in.
The laalo 3 was chosen as a substrate material for the designed patch antenna with a dielectric constant of 23. Design of a rectangular microstrip patch antenna using. First the model of the microstrip patch antenna has to be drawn in hfss. The rectangular patch antenna is designed so that it can operate at the resonance frequency. Ijiset international journal of innovative science. The objective of this tutorial is to simulate a microstrip patch antenna resonating at a frequency of 7. These minima and maxima continuously change side like the phase of the rf signal. Simulated results of 2d e plane, h plane patterns are shown. Rectangular microstrip patch antenna in designed antenna height and width of the patch is.
After finding the patch size the antenna feed line should be. The 2x2 patch array antenna is simulated using ansoft hfss. It is designed with low dielectric constant and that corresponding vswr, radiation pattern,sparameter are also measured. Patch antenna array in use for wifi communications refer to appendix a for the single patch antenna design procedure. Design and simulation by hfss of a slim uwb pifa antenna. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss.
The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Simulate new design and verify that specifications have been met. The metamaterial array is embedded inside the substrate of rectangular microstrip patch antenna. The parameters evaluated were gain, beamwidth and return loss. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat. Click the ok button create substrate to create the substrate. Upon incorporation, directivity increases by 24% and gain increases by 18%.
This concept was undeveloped until the revolution in electronic circuit miniaturization and. Design and analysis of microsrtip square patch antenna under the kind guidance of. Design and simulation of a slotted patch antenna sensor for wireless strain sensing xiaohua yi a, chunhee cho a, benjamin cook b, yang wang a, manos m. A patch antenna is usually constructed on a dielectric substrate, using the same materials and lithography processes used to make printed circuit boards. Analysis and design of circular microstrip patch antenna at 5. The basics of patch antennas, updated orban microwave. Techniques for analyzing antenna lattice structures. Substrate patch l w t z y x ground plane figure 1 a sample edgefed microstrip patch antenna. Multilayer microstrip patch antenna the multilayer microstrip patch antenna resonating at 1. Microstrip patch antenna using hfss linkedin slideshare. Dual band edge serated microstrip antenna on fr4 substrate. This slide describes design and simulation about the micro strip patch antenna using hfss software.
Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Optimize design using hfss optimetrics through adjustment of antenna dimensions. Patch antenna calculator the basics of patch antennas. Rectangular patch inset fed design parameters substrate thickness substrate dimension y patch dimension y patch dimension x ref. If you are looking for hfss antenna design this video will help you. Design and simulation of planar inverted f antenna for ism. The illustrated patch antenna provides bandwidth enhancement compared to antenna without slots of the same physi cal dimensions. 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. Data shall be entered into the file in the order given in this standard. The len gth, l, of the substrate can be approximated by. This paper describes the design of a rectangular patch antenna in free space as required aided with special software. The designed structure of an microstrip patch antenna is shown in fig.
Probe feed patch antenna4 probe feed patch antenna als tab. The basic idea behind designing a serrated patch antenna is that it has multiband characteristics, since we have obtained dual band. A dual band antenna and a microstrip fed patch antenna, used in the communication lab. Patch antenna array in order to increase main beam gain, reduce side lobe radiation, and increase directivity, the patch antenna design was expanded to a four element array. It is not necessary, however, to include empty fields including only the field name. Create a field overlay plot of the magnitude of e for the antenna cavitys face. Gain of the antenna represents the amount of power transmitted in the direction of peak radiation to that of an isotropic source 10. What links here related changes upload file special pages permanent link page. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna.
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