Mar 07, 2016 software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. This thesis purpose is to design of reconfigurable multiband microstrip antenna equipped with the competence of finetuning one of its functioning frequencies independently. Design and analysis of frequency reconfigurable microstrip patch. What are some antenna designing projects depending upon the.
Pdf design and study of frequency reconfigurable antenna. A microstrip antenna consists of conducting patch on a ground plane separated by dielectric substrate. It is one of the several commercial tools used for antenna design of complex rf electronic circuit elements including filters, transmission lines, and packaging 8. Hfss stands for high frequency structural simulator. Simulation results show the max gain produced by the antenna is 7. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. The parameters evaluated were gain, beamwidth and return loss.
Wifi also known as wlan and it has become popular in all computers, mobile phones, and other gadgets. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. It consists of rectangular substrate and the metal trace layer as shown in fig. Reconfigurable microstrip fractal antenna design in ansys hfss using pin diode new design of microstrip patch antenna using pin diode reconfigurable antenna. Reconfigurable microstrip patch antenna using mems. Hfss for the dipole antenna ansoft high frequency structure. 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. The example will illustrate both the simplicity and power of hfss through construction and simulation of this antenna structure. High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design.
A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Another thing is as the voltagesource is time domain here, can we generate report from hfss that is showing frequency vs field intensity. The designed antenna has a resonating frequency of 2. Ansoft high frequency structure simulator tutorial the dipole antenna april 2004. The base hfss offering includes 3d and layout interfaces, 2. The dimensions of antenna can be found in the hfss simulation file.
Aug 28, 2016 hfss is the best software to work on antenna designing. However, major disadvantage of patch techniques to overcome this problem and convert the fixedfrequency antenna to a frequency agile antenna based on lc 3 for a cognitive radio environment. Varactor diodes are used, and the capacitance range from 1 pf to 10 pf are engaged to get reconfigualbility and high frequency structure simulator. The plot shows the gain value at a resonant frequency. Design and analysis of micro strip antenna using hfss. The analysis of reconfigurable antenna using pin diode is done using the simulation performed on ansys hfss. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. An optimal design is the best configuration of a constraintsatisfying design.
However, the development of these antennas poses significant challenges to both antenna and system designers. You can work on microstrip antenna, patch antenna, horn antenna. Investigations on frequency and polarization reconfigurable microstrip antenna using pin diodes design and development of reconfigurable compact cross patch antenna for switchable polarization 89 figure 3. Hfsss microstrip patch antenna design part1basics of. Feb 11, 2015 design rectangular patch antenna using hfss part 1 duration. High frequenc y structure simulator hfss software is used to design this antenna.
Antenna is simulated in high frequency structure simulator hfss version. The return loss will be reduced to a maximum of 25db. Reconfigurable microstrip fractal antenna design with line. Reconfigurable antenna using a pixel architecture capable of reconfiguring dynamically its frequency of operation, radiation pattern and polarization. In order to provide a dynamic response, reconfigurable antennas integrate an inner mechanism such as rf switches, varactors, mechanical actuators or tunable materials that enable the intentional redistribution of the rf. Ideally, reconfigurable antennas should be able to alter their operating frequencies, impedance bandwidths, polarizations, and radiation patterns independently to accommodate changing operating requirements. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. They use dynamically variable and adaptable singleantenna geometry without increasing the real estate required to accommodate multiple antennas. Reconfigurable antennas can deliver the same throughput as a multiantenna system.
Hfss with hpc for large finite antenna array design. This project proposes the design of a reconfigurable micro strip patch antenna using mems technology a reconfigurable microstrip patch antenna of operating frequency in the range of 58 ghzcband, for the application of wireless communication has been designed. Figure 1 shows the dimensions and top view of the antenna and figure 2 shows the 3dimensional view. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Microstrip antenna design using above equations has attractive features such as light weight, conformability and low cost. Two rfpin diodes are used to achieve frequency reconfiguration. Hfss high frequency structural simulator is used for the analysis of antenna. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. What are some antenna designing projects depending upon. The proposed antenna is designed and simulated using hfss licensed software.
Determining input impedance of patch antenna in hfss. An investigation of pattern and frequency reconfigurable microstrip. The antenna was designed and analyzed using ansoft hfss. Design and simulation of planar inverted f antenna for ism. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. How to install and use hfss antenna design kit adk version 2. Design parameters port extension height port extension height only applicable to 4 arm spirals spiral antenna only supports 2 or 4 arms inner radius antenna characteristics directivity polarization bandwidth medium circular wide ref. Hfss presentations hfss design consultant robert eisenhart. I need to insert a pin diode with my antennas design for a switching band. This bandwidth was improved by etching a uslot in the antenna patch. The design of a reconfigurable dual frequency microstrip patch antenna using rf mems switches has been established and the minimum number of switches required has been determined. Last year was 144 elements, and this year is 256 elements with a more ra. Hfss is the best software to work on antenna designing. Hfsss microstrip patch antenna design part1basics of antenna design using hfss software.
May 04, 2017 hfsss microstrip patch antenna design part1basics of antenna design using hfss software. Design of microstrip patch antenna the ieee maker project. The acronym stands for highfrequency structure simulator. Aces revised copy dual frequency microstrip patch antenna. Starting hfss follow instructions from the hfss stripline laboratorytutorial for any pop ups that may occur.
Once you create the loop in hfss, simply look at the real and imaginary z of the antenna. In project report we made an attempt to invent microstrip patch antenna for wifi applications. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. In the following steps rectangular patch antenna design procedure is given after choosing the its essential parameters such as frequency of operation f r,dielectric constant of the substrate, height of dielectric substrate h. This thesis purpose is to design of reconfigurable multiband microstrip antenna.
Designing of reconfigurable multiband antenna for wlan. Pdf novel frequency reconfigurable slotted patch antenna. The slots made on the aperture of the antenna are made to orient by making their axis as reference either in. The design and functional simulation of the proposed antenna structure is performed by using hfssv. Two antenna configurations that resonate at 8 ghz and 10 ghz have been designed and with a reconfigurable double stub tuner each has been implemented. The objective of a reconfigurable antenna designer is to design an antenna that satisfies constraints imposed by a scientific obligation, a customer, the designers work space, a project sponsor, or other factors. General navigation of software menus, toolbars, and quick keys.
A novel frequency reconfigurable slotted patch antenna structure is presented here. Quickly make antenna by this software and see antenna measurement like gain, radiation pattern, polarization, impedance and beam. Basic understanding of the antenna we will model one of the most basic antennas so that we can simulate a. Microstrip patch antenna design santa clara university. How do i use a pin diode with patch antenna using ansoft hfss. Both rectangular and u shaped patch element are designed using. The optimization of reconfigurable antenna design and operation by removing unnecessary redundant switches to alleviate biasing issues and improve the systems performance is discussed. Add solution setup specify the operating frequency insert far field setup. Hfss is a commercial finite element method solver for electromagnetic structures from ansys. Abstract an idea of frequency reconfigurable patch antenna is introduced. Hence rectangular patch antenna design is enclosed in an air container in order to achieve reconfiguration.
Click the project file and select insert insert hfss design from the menu. I believe there must be some similar option in hfss for using pin diodes. Patch antenna design using hfss ozen engineering and ansys. A compact reconfigurable slotted microstrip patch antenna using pin. 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. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. First the model of the microstrip patch antenna has to be drawn in hfss.
Reconfigurable microstrip patch antenna using mems technology. View forum posts private message view blog entries view articles full member level 6 join date dec 2009 location land of the free posts 345 helped 195 195 points 3,285 level. Design and simulation by hfss of a slim uwb pifa antenna. Hfss will solve 5 simultaneous domains per node, whi. The following notes will provide a brief summary of goals. Design rectangular patch antenna using hfss part 1 duration. Because of this, we need to define an airbox around our design.
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. Reconfigurable microstrip fractal antenna design with line feeding in ansys hfss duration. 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. Keywords reconfigurable antenna, pin diode, frequency reconfigurability, microstrip patch antenna. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Hfss are used in our project for the simulation and design calculation of microstrip patch antennas. Design and implementation of reconfigurable antenna. Using only one switch and a single patch, the antenna operates at 4. Hfss is a commercial finite element method solver for electromagnetic structure 8. Design and analysis of a frequency reconfigurable microstrip. This concept was undeveloped until the revolution in electronic circuit miniaturization and. Hfss treats the space around your design that hasnt been designated as a specific material as pec. This is essentially your complex radiation resistance. Design and implementation of reconfigurable antenna irjet.
Tthe best project can be working on paper antenna, its a paper based antenna and is trending topic among the antenna designer. This paper presents a design of simple microstrip patch antenna working on operating frequency of 2. Although to find the peak gain at resonant frequency or any other frequency, following steps should. In this paper, a rectangular microstrip patch antenna is designed using hfss software. Introduction in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulation software by ansoft. Change the drawing plane back from zx to xy draw a box and fill in the values as shown below. Reconfigurable microstrip patch antenna based on liquid. Designing of reconfigurable multiband antenna for wlan application.
Using the same general element design as the 2010 finite array presentation, but added metal thickness for grounds and stripli\. Create infinite ground to create the infinite ground. Hfss is one of several commercial tools used for antenna design, and the design of complex radio frequency electronic circuit elements including filters, transmission lines, and packaging. It is one of the several commercial tools used for antenna design. Here pattern and frequency reconfigurable microstrip antenna is designed by changing the slot length on. The designed process has been carried out using matlab and hfss software by entering 2. Two independent operating frequencies are used with the range of 2.
Design and equations in this work, a circularly polarized microstrip patch antenna at a resonance frequency of 1791 mhz is designed and simulated. How to install and use hfss antenna design kit youtube. The slim antenna presents a height of 2 mm and a bandwidth of more than 766 mhz. Design of frequency reconfigurable micro strip patch antenna for. An antenna with frequency reconfiguration is designed in the.
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