Dipole and monopole antenna design university of san diego. Journal of computing design of coaxial fed microstrip patch. However, an inductor coil at the base of a monopole adds electrical length, so the physical length of the antenna can be shorter. Monopole antenna is a one half of a dipole antenna. An inefficient antenna produces a smallamplitude em wave for the same feed power, and converts most of the power into heat. Pdf high frequency structure simulator hfss tutorial. I designed a hairpin monopole antenna on the hfss software for my minor project work and now for my major project work i was instructed by my mentors that i should fabricate an advancement of the. Follow instructions from the hfss stripline laboratorytutorial for any pop ups that may. Pdf analysis of a rectangular monopole patch antenna. The next step is to learn some of the options for getting better performance for future product designs. This thesis introduces a new technique of impedance matching using lumped circuits passive, lossless for electrically small nonresonant dipole monopole antennas. Em numerical modeling of a monopole home page for the georgia. I have tried various combinations including going through the uhf probe example but still no luck is there anyone out there willing to send me a hfss file of a monopole with ground plane. If we assume othe average beamwidth of rhombic antenna as 10, then design an antenna system such that it will radiate maximum power over the.
Modelling, designing and simulating a monopole antenna in hfss. The tools used were ansoft ensemble, hfss and hp momentum. A compact coplanar waveguide fed wideband monopole antenna. Hopefully, this tutorial raises the awareness of loss and efficiency issues with small antennas.
The base of the proposed antenna is a diamondshaped patch dsp that covers the ultra wide band uwb 3. Port model must be same as real port including the shape of port, material of port, and port size. It is shown that by removing the centre part of the dsp. Pdf design of a small printed monopole antenna for.
The characteristic of the antenna can be improved by altering the figure of the radiation patch and the ground. Design curves for the length of the feed transmission line for various lower bandedge frequencies for all these regular shaped monopoles. Click the project file and select insert insert hfss design. The example will illustrate both the simplicity and power of hfss through construction and simulation of this antenna structure. Ee2032 simulation of a 4 monopole in ansys hfss short introduction to ansys hfss ansys hfss is a software package to. Ictpituursi school on wireless networking for development the abdus salam international centre for theoretical physics. Introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft. Thus in this tutorial, a dipole antenna will be constructed and analyzed using. In our case, for the purpose of reducing the size of transponder, a meanderline antenna mla is an attractive choice. Generally people dont think of radiofrequency radiation in terms of discrete. In this tutorial, a dipole antenna will be constructed and analyzed using. This is essentially your complex radiation resistance. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Design of an 868 mhz printed sshape monopole antenna.
Utilize commercial simulation software hfss for antenna performance analysis. Wideband blade monopole antenna with sleeved coaxial feed i. Click the project fil e and select insert insert hfss design from the. For example, a uwb signal centered at 5 ghz typically extends across 4 ghz. Planar monopole antenna, ultra wide band, hfss, bandwidth, return. The antenna is capable of wideband operation with improved impedance and pattern bandwidth and requires little, or no, external ground plane. Their work is approved for submission in partial fulfillment of the requirements for the degree of bachelor of technology.
Wavenology tutorial design of monopole antenna duration. Predicted data is shown for input impedance and radiation patterns. Dipole antenna hfss tutorial for this reason, compact, broadband and wideband design technique for planar antennas have been attracted much attention from antenna researchers. Find out what frequency you want for wifi you are using 2. Monopole above a pec a, and the equivalent source in free space b. Or anyone able to go through this step by step as i am a beginner. The antenna in figure 1 is a left handed helix antenna, because if you curl your fingers on your left hand around the helix your thumb would point up also, the waves emitted from this helix antenna are left hand circularly polarized. The proposed antenna, which was designed and simulated using the fembased hfss, is based.
Pdf getting started with hfss v9 for antenna design. Wideband blade monopole antenna with sleeved coaxial feed. Designing the antenna port to design an antenna with ansoft hfss, researcher must design antenna port at first. Comparison of different planar monopole uwb antenna using hfss. This paper presents the design equations for lower bandedge frequency for all the regular shapes of printed monopole antennas with various feed positions. Thesis broadband impedance matching of antenna radiators.
Design and analyze a quarterwave monopole antenna operating at 400 mhz. Starting hfss follow instructions from the hfss stripline laboratory tutorial for any pop ups that may occur. I tried the design of monopole using both lump port and wave port. Clarify measurements of reflection coefficient of the antenna and its radiation pattern. A monopole antenna is a class of radio antenna consisting of a straight rodshaped conductor, often mounted perpendicularly over some type of conductive surface, called a ground plane. This paper reports a new form monopole antenna composed of the sleeved coaxial feed attached to a planar monopole. Introduction in this tutorial, a dipole antenna will be. Design a rhombic antenna to operate at 20mhz when the angle of elevation angle 10o. In the design of any antenna radiator, single or multielement, a significant amount of time and resources is spent on impedance matching. The case of a monopole antenna of length l mounted above an infinite ground plane is shown in figure 1a. Thus the motive of this paper is to design a microstrip monopole slot antenna that would be able to receive an appropriate level of energy from almost all useful bands, e. H 3 2 antenna basics an antenna is basically a conductor exposed in space. Pcb antennas are often shorter than a quarter wavelength due to board size restrictions and often fit into this category. Monopole antenna design using hfss forum for electronics.
Pdf monopole antenna simulation in hfss find, read and cite all the research you need on researchgate. The radiation pattern of antenna is a representation pictorial or mathematical of the distribution of the power outflowing radiated from the antenna in the case of transmitting antenna, or inflowing received to the antenna in the case of receiving antenna as a function of direction angles from the antenna. Step by step procedure explanation of antenna design using hfss software hfss basics skip navigation. The length of the feed transmission line is a critical design parameter of these monopole antennas. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss. For hfss, ansys hfss with hpc for large finite antenna array design, hfss antenna array design free open source codes, antenna lab manual site iugaza edu ps, matlab antenna toolbox a draft oregon state university, hfss monopole antenna simulation, thesis broadband impedance matching of antenna radiators, genetic algorithm in. Hfss design of circular patch antenna using coaxial feedingprobe feeding duration. The antenna is simulated on an fr4 substrate with a.
There are broadly two approaches to impedance matching. Pdf design and simulation of microstrip patch antenna using. A quarter wavelength monopole is one of the easiest antennas to model. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. Moreover, design of a multiband antenna which also covers the uwb range without deteriorating the uwb performance is of high interest the objective of this project is to design and simulate a smallsize microstripfed uwb base diamondshapedpatch dsp antenna for multi band applications using ansoft hfss. Pdf a small printed monopole antenna for ultra wide band applications is proposed. In this paper, a smallsize lowcost printed monopole antenna for ultra wideband operation is presented. The driving signal from the transmitter is applied, or for receiving antennas the output signal to the receiver is taken, between the lower end of the monopole and the ground plane. According to the necessary problem solving steps, the solution type for the present model is set to driven. Design appropriate impedance matching networks for those antennas.
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. In this approachinstead of modifying the antenna geometry a passive network attempts to equalize the impedance mismatch between the source and the antenna load. Rightclick the project file and select insert insert hfss design from the menu. Hfss design of circular patch antenna using coaxial feedingprobe feeding. A whip antenna also known as a monopole antenna looks capacitive if it is shorter than a quarter wavelength, and is tuned to resonance with a series inductor. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Hi i am trying to model a simple monopole with a ground plane using hfss. Explain resonant and nonresonant modes of long wire antenna. Oct 12, 2018 whip antenna design calculator daycounter, inc. This antenna is based on the planar rectangle monopole antenna. Basic understanding of the antenna we will model one of the most basic antennas so that we can simulate a load, and design a matching network.
Antenna design the antennas design is broken down into two stages. Design and simulation of crescent monopole antenna for 4g lte. Once you create the loop in hfss, simply look at the real and imaginary z of the antenna. Design of printed rectangular monopole antenna using hfss. Comparison of different planar monopole uwb antenna using hfss ria kalra, sukhdeep kaur abstract since the release by the federal communications commission fcc of a bandwidth of 7. I have completed the preliminary stage up to my knowledge and i have some doubts about the measurements and report generation. If the length of the conductor is a certain ratio or multiple of the. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004 introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft. Simulation of hairpin monopole antenna using high frequency. Miniaturization of the antennas, limited channel bandwidth, reduced design time, and antenna interaction with other components present sti.
Plot the radiation pattern for a fullwave dipole antenna using mathcad. This article will show you how to build a monopoly for any use you see fit. If the helix antenna was wound the other way, it would be a right handed helical antenna. A monopole antenna is one half of a dipole antenna, almost always mounted above some sort of ground plane. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. A guidance to design monopole 2d and 3d and microstrip patch antennas by using ansoft hfss, without experience. Pdf high frequency structure simulator hfss tutorial otman. The proposed sshaped monopole antenna s design model is illustrated in figure 1. Problem with modelling a monopole with a ground plane.
Cable effects on measuring small planar uwb monopole. The parameters evaluated were gain, beamwidth and return loss. A fundamental list of antenna theory concepts, an antenna basics menu is given here. Design and simulation of microstrip patch antenna using ads. An efficient resonant antenna 14 wavelength or longer produces a largeamplitude em wave for a given feed power, and produces little heat. Simulation of bradband rectangular monopole antenna. Design aspects of printed monopole antennas for ultrawide. The example will illustrate both the simplicity and power of. The focus is on many of the various antennas that might be encountered in a wireless lan system. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulator. Multiband monopole and microstrip patch antennas for gsm and dcs bands. The antenna design and simulation was carried out using ansys hfss software. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004. Design and simulation of planar monopole antenna for uwb.
Design considerations the proposed structure of the antenna is shown in fig. Ansoft hfss employs the finite element method fem, adaptive meshing, and brilliant graphics to give you unparalleled performance and insight to all of the 3d em problems. Designing a planar monopole antenna with a small ground plane to cover the uwb is not a difficult task and can be achieved through different techniques 17. Abstractthe objective of the project is to design and simulate the planar monopole antenna for uwb applications. Design impedance matching networks for the two antennas in parts a, b, and c. These are preliminary notes, intended only for distribution among the participants. Although this kind of loaded antenna will appear to be a quarterwave. Fabricate a single antenna to operate in microwave frequency range. The antenna design, analysis and discussions the software tool that was utilized for the design tasks is ansoft hfss 2. Hfss tutorial 2microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch duration. These antennas are simulated by using ansoft hfss electromagnetic.
An efficient resonant antenna 14 wavelength or longer produces a large. In carrying out the design in simulation, the antenna is fed directly with a signal source without using a feeding cable. Compared with conventional aircraft antennas and monopole antennas, blade antennas have more advantages. Design of a uwb planar monopole antenna for breast cancer. Topics include directivity, polarization, bandwidth, impedance, frequency bands, all things necessary for an understanding of antenna theory, antenna basics and antenna fundamentals. The antenna port that will be used for realized antenna is sma connector.