Design of an 868 mhz printed sshape monopole antenna. Coaxial probe feeding is some times advantageous for applications like active antennas, while microstrip line feeding is suitable for developing high gain microstrip array antennas. Patch antenna design using hfss ozen engineering and ansys. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Hfss stands for high frequency structural simulator. Introduction antenna definitions w what is an antenna.
Return loss result for the triple meander slot antenna 11 n. Design of meander slotted patch antenna for wireless. Hfss is high frequency structure simulator it is high performance full wave electromagnetic field simulator 3d volumetric passive device modelling that takes advantages of familiar microsoft windows graphical user interface. Antenna design based on meander line technique to be applied to. Compared with other meander line techniques, this approach has lowered the axial height of antenna greatly and improved the efficiency of modelbuilding in simulation processing. The following workshop provide a comprehensive understanding of. A meander line antenna can be realized by bending the conventional linear monopole antenna to decrease the size of antenna 5. An antenna includes one or more conductive elements for acting as radiating antenna elements, and a slow wave meander line adapted to couple electrical signals between the conductive elements, wherein the meander line has an effective electrical length which affects the electrical length and operating characteristics of the antenna. The antenna design, analysis and discussions the software tool that was utilized for the design tasks is ansoft hfss 2. The principle of operation of this meanderline ml polarizer is well known 9 and results from. According to research, main performance parameters of invertedf antenna, such as resonant. I think pifa and meander line antennas are the best choices but i do not know how to calculate their parameters. Invertedf antenna the invertedf is a quarterwave antenna.
The comparison of feeding techniques shows that the rectangular. Therefore, in our work, we make a study on the meanderline antenna. Return loss result for the dual meander slot antenna 11 fig. The design of an effective meander line antenna for rfid purposes requires balancing geometrical characteristics with the microchip impedance. The authors in 6 proposed a meanderline structure for pcmcia cards at 2.
Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. When the size of antenna is reduced, the radiation resistance is reduced. Design of microstrip patch antenna the ieee maker project. The dimensions of antenna can be found in the hfss simulation file. A microstirp patch antenna has a low profile and weight along with low fabrication cost. In this paper, the meander line antenna which operates at 2. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. A microstrip patch antenna can be fed either by coaxial probe or by an inset microstrip line. What is meander line antenna meander line patch antenna. Youll get automatically the interesting parameters to optimize your antenna. Pdf design and simulation of meander line antenna for lte. Design and comparative study of meander antenna and.
Design and simulation of meander line antenna for wireless. The standard meanderline antenna mla has favorable topology that enables the insertion of the cpw structures. Design and analysis of a folded meander dipole antenna using the mininec program pedro a. Performance of a meandered line as an electrically small. I have always used radiation boundary for antenna case and got very good match between measured and simulated results. Zainuddin et al 12 proposed a microstrip meander slot antenna with a various number of meander slots for wireless local area network application. By using the patch antenna the return loss, gain, directivity increases in the resonant frequency of 12ghz operates at the x band and useful for satellite communication than meander antenna. The commercial hfss software package is used for the design.
We will use the empirical equations to come up with a meander line antenna mla that has a resonant frequency of 2. Study on electronic materials with performance of meander. These two mlas are modeled and simulated in ansys hfss software package, and their primary structural parameters are listed in table 1 with. The gain of the antenna is efficient for meander line antenna to operate well at 2. How to design a meander line in hfss it is too complicate to draw it with an equation base curve i guess. Design of the compact uhf rfid meanderline antenna loaded. Gainoptimized selfresonant meander line antennas for. Typical meander antenna size reduction factor as a function of line spacing. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. How can i calculate meander line antenna parameters. Therefore, there is an issue of optimization in determining the antenna parameters for best performance. It is one of the several commercial tools used for antenna design. Ads software is used to compute the bandwidth, gain, directivity, and s11 of the antenna. We have focused on the analysis of radiation pattern, axial ratio, and design graph for the meander line.
Hf meanderline antenna simulations for nvis on a hmmw. In hfss gives the three dimension and bending technigues is very easy compared to the other. Number of lines for a typical meander antenna as a function of antenna size reduction factor. Design and analysis of x band pyramidal horn antenna using hfss. Rectangular microstrip patch antenna for global position system.
The authors in 8 originally propose periodically loading the mla with these elements. Meander antenna design the meander design information supplied by rashed and tai was minimal, but proved a starting point 7. It is to note that sshape, snakelike shape as well as meander shape are interchangeable names 2 7. It consists of rectangular substrate and the metal trace layer as shown in fig. Bandwidth enhancement for low frequency meander line antenna. The antenna model is developed in ansys hfss using the finite element.
The design starts with the simple square patch micro strip antenna with line feed. Spiral antenna only supports 2 or 4 arms eight antenna characteristics directivity polarization bandwidth medium dualcircular wide ref. In our case, for the purpose of reducing the size of transponder, a meanderline antenna mla is an attractive choice. Meander line antenna mla is the most usage of antenna that use in lte. This work is brought to you for free and open access by the university graduate school at fiu digital commons. A shorting pin is employed to connect the parallel stub to the ground plane. Hfss is used to simulate expected characteristics which are resonant frequency, bandwidth, vswr, and radiation. It can also be used to learn more about antennas to get imminent into the conduct of the particular antennas. Antenna type applications and interest efficiency sensitivity to detuning dipole large wire antenna. Experimental results and validation todetermine if thedesign in fig. Design of meander line antenna for operating frequency of. Low bandwidth of the classic meander line antennas is a problem 3, as the classic meander line antenna is one of the mi.
Design and analysis of x band pyramidal horn antenna using. New meander line antennas with improved gain are proposed as lowprofile selfresonant tags for application in passive radio frequency identification. In this project, ansys hfss is used to develop and simulate a microstrip line feed linearly polarized rectangular microstrip patch antenna for a navigation system gps at 1. Techniques for analyzing antenna lattice structures. Design a parabolic antenna fom scratch on ansys hfss 1819. In order to determine the performance of varying design parameters on impedance, resonance frequency, radiation pattern, etc. In this letter, a packaged compact meanderline monopole antenna for bluetooth. Invertedf and meander line antennas 2 invertedf antenna input output quarterwave figure 2.
This paper presents optimization problem formulations to design meanderline antennas for passive uhf radio frequency identification tags based on given specifications of input impedance, frequency range, and geometric constraints. Research had focused on main performance parameters of invertedf antenna which loaded different number of meanderlines and different height of meanderlines. Then, the micro strip antenna is simulated using the ansoft hfss software. But these antennas have some disadvantages, low radiation efficiency.
Radiation impedance of a finite length monopole antenna in free space with the r esonant frequency of 2. Antenna design based on meander line technique to be. The simulation of the microstrip patch antenna for the two feeding techniques is performed on hfss software. The udemy design a parabolic antenna fom scratch on ansys hfss 1819 free download also includes 5 hours ondemand video, 8 articles, 53 downloadable resources, full lifetime access, access on mobile and tv, assignments, certificate of completion and much more.
Jun 21, 2011 this feature is not available right now. I am designing a meander line antenna using cst, the antenna is simply a monopole, the ground plane is on the top of substrate and i want to connect the antenna with ground plane. Bandwidth enhancement for low frequency meander line. This paper presents the optimization of a meander line antenna mla. This inductance is important because electrically small antennas can have a signi. The microstrip edge feeding and inset feeding are compared on the basis of the radiation pattern, vswr, 3dgain, 2dgain, directivity, realized gain and sparameter. The design of meander line antenna is a set of horizontal and vertical lines. Antenna shape and size is optimized by genetic algorithm, taking conductor losses into account. Meanderline antenna is a truly transformation of monopole antenna.
The tool which they have used to design the antenna was hfss. The input impedance, z in, of an antenna is the impedance that the antenna, effectively a two terminal circuit element, presents to a transmission line. Feb 15, 2014 this antenna has been designed to operate at 2. In this manual we are going to call this a meander line adjustment. It is too complicate to draw it with an equation base curve i guess. The feed point is located somewhere between the earth end and the open end. Apr 30, 2018 meander line antenna hfss, meander line antenna tutorial, advantages of meander line antenna, a wideband metamaterial meander line antenna, dual band meander line antenna for wireless lan. The difference between the mla in 19 and our mla is shown in table 3. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Design and analysis of a folded meander dipole antenna using. Design of meanderline antennas for radio frequency.
A simple analytic formula, found in the literature for calculating the resonant frequency of a meander line dipole antenna mda in free space from its. The electrical length and operating mode of the antenna may. Their design successfully decreases the area of the rfid tag but the antenna suffers a reduction in its gain. Meanderline monopole antenna with compact ground plane for a. Design, fabrication, and characterization of a dual. Design of series feed microstrip patch antenna array using. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. Meander line antenna has some advantages, it is electrically small, low profile antenna and has simple structure thus gives higher bandwidth 1. An antenna is an electrical conductor or a system of conductors which is that part of a transmitting or. I have been trying to design a telemetry system that it needs to an small antenna. The antenna substrate is made on rogers ultaralam 1250 tm with dimensions 72.
Design of meander line antenna for operating frequency of 2. What is meander line antenna meander line patch antenna youtube. The objective of paper is to design a meander line antenna for wlan application that is 2. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Pdf lte is a standard for wireless data communications technology and an evolution of the gsmumts. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. 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. Examples are presented for application at 869 mhz with antennas of different materials and sizes. The 3d view for gain of meander line antenna is also shown in fig. Meander line antenna is the most usage of antenna that use in design of the applications such as rfid and wlan. Since an antenna radiates, it loses energy to a free.
High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. Meander line antenna with artificial magnetic conductor. Design and analysis of microsrtip square patch antenna under the kind guidance of. The authors in 6 proposed a meander line structure for pcmcia cards at 2.
Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. Invertedf and meander line antennas application note. The electrical small antenna defines as the largest dimension of the antenna is no more than onetenth of a wavelength 10. The influence of the meander part of the antenna is similar to a load and the meander line sections are considered as shortedterminated transmission lines as shown in figure 3.
Rectangular microstrip patch antenna for global position. To determine the width w, the microstrip patch antenna calculator was used to provide an initial starting point. Previous studies have addressed the design classic meander line 2. In our case, for the purpose of reducing the size of transponder, a meander line antenna mla is an attractive choice.
Mar 07, 2016 hfss microstrip patch antenna analysis and design 1. For planar antenna designs such as patch or meander line pcb antennas, hfss provides a 2. A more compact design of a meander line antenna was designed to operate at 2. Meander antenna design the meander design information supplied by rashed and. The base hfss offering includes 3d and layout interfaces, 2. The designed antenna has been fabricated on the fr4 substrate. Invertedf antenna loaded meanderline was studied by using high frequency structure simulator v11hereinafter referred to as hfss v11. The proposed sshaped monopole antennas design model is illustrated in figure 1. Hfss 3d simulation model of the proposed meanderline monopole antenna. In this application, there is a need for directive transponders to select properly the target tag, which in turn must be ideally isotropic. 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 paper, a new approach of meander line technique for printed quadrifilar helix antenna pqha is studied.
Hfss is very user friendly software that can advantage user to foresee antenna performance and achieving better results before building the realistic model. The single element meander line antenna is designed which operates at 2. Low profile meander line printed quadrifilar helix antenna. Meander line antenna design using an adaptive genetic. Analysis and design of meander line dipole antennas. The meander line antennas mla are electrically small antennas that pose several.
Analysis and design of rectangular microstrip patch antenna using hfss p. A typical polarizer can be made of several stacked printedmeanderline sheets the \grating layer separated by dielectric spacers. The radiation pattern of the meander line antenna was shown in fig. Use instead the duplicate along line and unit options on your rectangles. Hfss antenna boundary conditions hi, atleast i have never seen any single example in hfss tutorials where they have used pml instead of radiation boundaries in case of antennas. Hfss is very user friendly software that can advantage user to foresee antenna performance and. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. Design and analysis of a folded meander dipole antenna. These adjustments are used when you need to locate the angle points of a meander water boundary. 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. Analysis and design of rectangular microstrip patch. First the model of the microstrip patch antenna has to be drawn in hfss.
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