Ansoft hfss can be used to calculate parameters such as sparameters, resonant frequency, and fields4. Nfc tag antenna design guide 6 shape of antenna antenna inductance h resonant capacitor pfmm communication distance mm size mm2 track width mm spacing number of turns turn without external dc supply with external dc supply felica type b felica type b 72 x 42 0. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. It includes instructions to create, simulate, and analyze a probe feed patch antenna. Pdf high frequency structure simulator hfss tutorial. Probe feed patch antenna12 probe feed patch antenna 3 click the ok button create the coax to set the default material.
This is an animation from a simulation of a coplanar waveguide cpw done in ansys high frequency structural solver hfss. The antenna dimensions and parameters depend on the application requirements. This dipole antenna geometry created from the 3d component library contains geometry and excitation that defined a dipole antenna it does not include the geometry for an air volume surrounding the antenna the dipole antenna 3d component is fully parameterized and the geometry can be changed at any time by highlighting the. Antennas are simply lengths of conductive metal that radiate radio signals into the. The impedance presented by an antenna at its terminals. Patch antenna design using hfss ozen engineering and ansys. A comprehensive study of antenna terminology using hfss 1vasishath kaushal, 1tanvir singh, 1vinay kumar, 2,3amit kumar, 1dr. This antenna has better vswr, gain and radiation efficiency compared to an ordinary patch antenna.
Design and simulation of planar monopole antenna for uwb. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004. Jan 19, 2017 hfss simulation of rectangular wave guide brief theory, concept of wave guide mode duration. The antenna under study is a basic lshaped wire antenna consisting of two radiating arms. Besides, the antenna is more miniature than conventional antennas that integrate an external. However, the case usually have a couple of plastic areas for the antenna, which enables the antenna to receive and transmit. Design and analysis of microsrtip square patch antenna under the kind guidance of. Add solution setup specify the operating frequency insert far field setup. You can even use a linked hfss simulation as the source.
Performing calculations from a t ext, the user should comput e a resistance between 65 and 75 ohms. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulator. The antenna factor, afx, of the dut antenna is calculated as follows. These antenna provide high gain, relatively wide bandwidth, low vswr, and they are ease to construct. Design and simulation of planar inverted f antenna for ism. The base of the proposed antenna is a diamondshaped patch dsp that covers the ultra wide band uwb 3. The antenna is located in thexz plane over a perfect electrical conductor pec and the feeding point is placed. Aug 07, 2017 this is an animation from a simulation of a coplanar waveguide cpw done in ansys high frequency structural solver hfss.
Smart antenna systems are capable of efficiently utilizing the radio spectrum and is a promise for an effective solution to the present wireless systems problems. Three site attenuation measurements using three different antennas in pairs iv. Hfss for the dipole antenna ansoft high frequency structure. Figure 5 illustrates the simulated mimo antennas return loss with various d values. Metamaterials by using a single unit cell the antenna gives of 3. Smart antenna systems are capable of efficiently utilizing the radio spectrum and is a promise for an effective solution to the present wireless systems problems while achieving reliable and robust highspeed highdatarate transmission. Antenna arrays will be examined later in the series. 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. This paper describes the design and simulation by high frequency structure simulator hfss of a probefed planar invertedf antenna pifa for the ultra wide band uwb personal area networks. Design and simulation of implantable pifa in presence of. It shows the electric and magnetic vector fields at 10ghz as well as.
Therefore, the terms energy and power are associated with these electromagnetic waves and we have to discuss them. 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. As the growing demand for mobile communications is constantly increasing, the need for better coverage, improved capacity, and higher transmission quality rises. There are two pins connected to the external antenna. An antenna can also be viewed as a transitional structure transducer between freespace and a transmission line such as a coaxial line. Bandwidth of the designe d antenna is 281 mhz and gain is 3. Techniques for analyzing antenna lattice structures. In this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft. Ijiset international journal of innovative science. The example will illustrate both the simplicity and power of hfss through construction and simulation of this antenna structure.
Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. A dipole antenna is two pieces of wire, rod, or tubing that are onequarter wavelength long. In two way communication, the same antenna can be used for transmission and. Introduction antenna definitions w what is an antenna.
It can be plotted as a 3d graph or as a 2d polar or cartesian slice of this 3d graph. The simulated bandwidths antenna was 89% for the first band, 19. Comparison between antenna factors of broadband antennas measured at oats and sacs by ssm af measurements of broadband antennas, 3 bicons bicon1, bicon2 and bicon3, 3 lpds lpd1, lpd2 and lpd3 and 3 hybrids hybrid1, hybrid 2 and hybrid3 were. Design and simulation by hfss of a slim uwb pifa antenna. Horn antennas also known as aperture antenna are popular in the microwave band generally above 1 ghz. Simulation of rectangular patch antenna with jeans substrate second international conference on emerging trends in engineering sicete 43 page dr. This bandwidth was improved by etching a uslot in the antenna patch. Thus, a more efficient use of the radio spectrum is required. Introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft.
Starting with hertzs antenna model followed by a short introduction to the fundamentals of wave propagation, the important general characteristics of an antenna. Structure of patch antenna design in hfss athe 2x2 patch array antenna design is shown in below figure in 3d model. The matlab codes can be copied from the pdffile and are also avail. Conclusion in this paper, design and analysis of microstrip patch antenna for gsm application is presented. The horizontal radiating arm is featured by the variable length l x, whereas the vertical radiating arm is characterized by the variable height h. Tutorial on antenna current optimization using matlab and cvx.
The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss with the investment of only a few hours of time. Microstrip patch antenna using hfss linkedin slideshare. Tunable wwanlte handset antenna and its lte mimo application. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. The resonant input resistance at the edge of the microstrip conductor is. Directional patch antenna array design for desktop wireless. 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. The len gth, l, of the substrate can be approximated by. It consists of patch elements on one side of a dielectric substate and a planar ground on the other side. Antennas radiate electromagnetic energy to transmit or to receive information. A significant performance element in communication and radar systemsas well as wireless devicesis the antenna. The parameters evaluated were gain, beamwidth and return loss.
Simulation of rectangular patch antenna with jeans substrate. The obtained antenna parameters such as return loss, vswr of the designed antennas are 1. The objective of this tutorial is to simulate a microstrip patch antenna resonating at a frequency of 7. Index terms antenna, hfss, ism band, pifa, parametric analysis, simulation, shorting plate at feed 1 i. For example, recently many mobile phones, computers and tablets have been designed with a metal casing. In conditions where obstructions, such as walls, prevented line of sight, the dipole antenna achieved greater signal strength. Rf option hfss tr and transient circuit simulation for hfss 3d hfss transient solver hfss tr.
More specifically it is a plot of the power radiated from an antenna per unit solid angle which is nothing but the radiation intensity. Design and analysis of x band pyramidal horn antenna using. After, applying the iterative process to find the value that satisfies the equation 1 the value of is found to be. Due to its planar configuration and ease of integration with microstrip technology, the microstrip patch antenna has been heavily studied and is often used as elements for an array. He planar inverted f antenna pifa is increasingly used in the mobile market because it is a. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. The more directional the pattern the higher the directivity. It is shown that by removing the centre part of the dsp antenna, without distorting the uwb behavior. Spiral antenna only supports 2 or 4 arms eight antenna characteristics directivity polarization bandwidth medium dualcircular wide ref. Tutorial 1 circular horn antenna boundary conditions and excitations solution setup o various options in solution setup, mesh operations, solution profile post processing o modalterminal parameters, result export formats, far field data, output variables, field calculator tutorial 2 ring hybrid coupler.
The following notes will provide a brief summary of goals. Includes envelope, loadpull, oscillator, and agilient xparameter support. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Microstrip patch antenna design and simulation vengalam mahendra reg no. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year. Vswr of an antenna is the main bandwidth limiting factor. Magdum college of engineering, jaysingpur patch is usually 0. In all cases, the antenna offers sufficient bandwidth to cover all the european wireless systems. The 2x2 patch array antenna is simulated using ansoft hfss. Both patch antenna configurations had greater gain over the wmp54g dipole antenna, however improved wifi signal strength was only accomplished when used in direct line of sight communications. That part of a transmitting or receiving system which is designed to radiate or to receive electromagnetic waves. The example will illustrate both the simplicity and power of. The slim antenna presents a height of 2 mm and a bandwidth of more than 766 mhz.
The input impedance is a complex function of frequency with real and imaginary parts. Hfss simulation of rectangular wave guide brief theory, concept of wave guide mode duration. An important property of an antenna is the ability to focus and. Substitution method for antenna calibration by the use of. General navigation of software menus, toolbars, and quick keys. Design and analysis of x band pyramidal horn antenna using hfss. Rf option hfsstr and transient circuit simulation for hfss 3d hfss transient solver hfsstr. The antenna connection is the interface from the rf module to the outside world. Mar 07, 2016 hfss microstrip patch antenna analysis and design 1. An electromagnetic wave has both electric and magnetic fields.
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