An antenna is an electrical conductor or a system of conductors which is that part of a transmitting or. Meanderline monopole antenna with compact ground plane for a. Antenna design based on meander line technique to be. The radiation pattern of the meander line antenna was shown in fig. Design and simulation of meander line antenna for wireless. Patch antenna design using hfss ozen engineering and ansys. Design and analysis of a folded meander dipole antenna. In our case, for the purpose of reducing the size of transponder, a meander line antenna mla is an attractive choice. I have always used radiation boundary for antenna case and got very good match between measured and simulated results. Bandwidth enhancement for low frequency meander line antenna. Meander antenna design the meander design information supplied by rashed and tai was minimal, but proved a starting point 7. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Examples are presented for application at 869 mhz with antennas of different materials and sizes. In this application, there is a need for directive transponders to select properly the target tag, which in turn must be ideally isotropic.
Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. The antenna substrate is made on rogers ultaralam 1250 tm with dimensions 72. In this letter, a packaged compact meanderline monopole antenna for bluetooth. 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. Hf meanderline antenna simulations for nvis on a hmmw. Return loss result for the dual meander slot antenna 11 fig. In hfss gives the three dimension and bending technigues is very easy compared to the other. How to design a meander line in hfss it is too complicate to draw it with an equation base curve i guess.
Antenna design based on meander line technique to be applied to. Analysis and design of meander line dipole antennas. 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. Therefore, in our work, we make a study on the meanderline antenna. We will use the empirical equations to come up with a meander line antenna mla that has a resonant frequency of 2. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in. Use instead the duplicate along line and unit options on your rectangles. Design a parabolic antenna fom scratch on ansys hfss 1819. Rectangular microstrip patch antenna for global position system. 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. New meander line antennas with improved gain are proposed as lowprofile selfresonant tags for application in passive radio frequency identification. What is meander line antenna meander line patch antenna. Meander line antenna with artificial magnetic conductor.
Ads software is used to compute the bandwidth, gain, directivity, and s11 of the antenna. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. The electrical length and operating mode of the antenna may. Design of meander slotted patch antenna for wireless. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. First the model of the microstrip patch antenna has to be drawn in hfss. These adjustments are used when you need to locate the angle points of a meander water boundary. A more compact design of a meander line antenna was designed to operate at 2. A microstirp patch antenna has a low profile and weight along with low fabrication cost. This inductance is important because electrically small antennas can have a signi.
The design of an effective meander line antenna for rfid purposes requires balancing geometrical characteristics with the microchip impedance. A typical polarizer can be made of several stacked printedmeanderline sheets the \grating layer separated by dielectric spacers. Analysis and design of rectangular microstrip patch antenna using hfss p. When the size of antenna is reduced, the radiation resistance is reduced. The design starts with the simple square patch micro strip antenna with line feed. 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. Meander line antenna is the most usage of antenna that use in design of the applications such as rfid and wlan. Design of an 868 mhz printed sshape monopole antenna. This work is brought to you for free and open access by the university graduate school at fiu digital commons. The comparison of feeding techniques shows that the rectangular.
Therefore, there is an issue of optimization in determining the antenna parameters for best performance. We have focused on the analysis of radiation pattern, axial ratio, and design graph for the meander line. The design of meander line antenna is a set of horizontal and vertical lines. The standard meanderline antenna mla has favorable topology that enables the insertion of the cpw structures. Antenna type applications and interest efficiency sensitivity to detuning dipole large wire antenna. Design of series feed microstrip patch antenna array using.
The dimensions of antenna can be found in the hfss simulation file. The single element meander line antenna is designed which operates at 2. 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. Their design successfully decreases the area of the rfid tag but the antenna suffers a reduction in its gain. Design, fabrication, and characterization of a dual. 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. Study on electronic materials with performance of meander.
Rectangular microstrip patch antenna for global position. In this manual we are going to call this a meander line adjustment. The commercial hfss software package is used for the design. A meander line antenna can be realized by bending the conventional linear monopole antenna to decrease the size of antenna 5. Previous studies have addressed the design classic meander line 2. The feed point is located somewhere between the earth end and the open end. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. I think pifa and meander line antennas are the best choices but i do not know how to calculate their parameters. The antenna design, analysis and discussions the software tool that was utilized for the design tasks is ansoft hfss 2. Design and comparative study of meander antenna and.
The objective of paper is to design a meander line antenna for wlan application that is 2. The proposed sshaped monopole antennas design model is illustrated in figure 1. 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. Feb 15, 2014 this antenna has been designed to operate at 2. Radiation impedance of a finite length monopole antenna in free space with the r esonant frequency of 2. 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 3d view for gain of meander line antenna is also shown in fig. What is meander line antenna meander line patch antenna youtube. Typical meander antenna size reduction factor as a function of line spacing. 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. Jun 21, 2011 this feature is not available right now. Design of microstrip patch antenna the ieee maker project. Spiral antenna only supports 2 or 4 arms eight antenna characteristics directivity polarization bandwidth medium dualcircular wide ref. The authors in 6 proposed a meander line structure for pcmcia cards at 2. Hfss 3d simulation model of the proposed meanderline monopole antenna. It is one of the several commercial tools used for antenna design. Hfss is used to simulate expected characteristics which are resonant frequency, bandwidth, vswr, and radiation.
Design of meander line antenna for operating frequency of. Invertedf and meander line antennas application note. It can also be used to learn more about antennas to get imminent into the conduct of the particular antennas. Bandwidth enhancement for low frequency meander line. The electrical small antenna defines as the largest dimension of the antenna is no more than onetenth of a wavelength 10. In order to determine the performance of varying design parameters on impedance, resonance frequency, radiation pattern, etc. The simulation of the microstrip patch antenna for the two feeding techniques is performed on hfss software. It is too complicate to draw it with an equation base curve i guess. The authors in 8 originally propose periodically loading the mla with these elements.
Since an antenna radiates, it loses energy to a free. To determine the width w, the microstrip patch antenna calculator was used to provide an initial starting point. Invertedf and meander line antennas 2 invertedf antenna input output quarterwave figure 2. Gainoptimized selfresonant meander line antennas for. The tool which they have used to design the antenna was hfss. A shorting pin is employed to connect the parallel stub to the ground plane. Meander line antenna design using an adaptive genetic.
Design and analysis of x band pyramidal horn antenna using hfss. For planar antenna designs such as patch or meander line pcb antennas, hfss provides a 2. 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. Research had focused on main performance parameters of invertedf antenna which loaded different number of meanderlines and different height of meanderlines. 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 antenna model is developed in ansys hfss using the finite element. Then, the micro strip antenna is simulated using the ansoft hfss software. 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. 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 a folded meander dipole antenna using. 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. 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. How can i calculate meander line antenna parameters. Design and analysis of a folded meander dipole antenna using the mininec program pedro a. A microstrip patch antenna can be fed either by coaxial probe or by an inset microstrip line. The principle of operation of this meanderline ml polarizer is well known 9 and results from. 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. Meanderline antenna is a truly transformation of monopole antenna. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Analysis and design of rectangular microstrip patch.
Hfss stands for high frequency structural simulator. 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. Design of the compact uhf rfid meanderline antenna loaded. Design of meander line antenna for operating frequency of 2. The difference between the mla in 19 and our mla is shown in table 3. These two mlas are modeled and simulated in ansys hfss software package, and their primary structural parameters are listed in table 1 with. Introduction antenna definitions w what is an antenna.
Return loss result for the triple meander slot antenna 11 n. Antenna shape and size is optimized by genetic algorithm, taking conductor losses into account. It is to note that sshape, snakelike shape as well as meander shape are interchangeable names 2 7. But these antennas have some disadvantages, low radiation efficiency. 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. Number of lines for a typical meander antenna as a function of antenna size reduction factor. The following workshop provide a comprehensive understanding of. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Pdf design and simulation of meander line antenna for lte. Performance of a meandered line as an electrically small. According to research, main performance parameters of invertedf antenna, such as resonant. In this paper, the meander line antenna which operates at 2. The meander line antennas mla are electrically small antennas that pose several.
The base hfss offering includes 3d and layout interfaces, 2. 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. Low profile meander line printed quadrifilar helix antenna. This paper presents the optimization of a meander line antenna mla. Youll get automatically the interesting parameters to optimize your antenna. Invertedf antenna loaded meanderline was studied by using high frequency structure simulator v11hereinafter referred to as hfss v11.
Design and analysis of microsrtip square patch antenna under the kind guidance of. The authors in 6 proposed a meanderline structure for pcmcia cards at 2. Meander antenna design the meander design information supplied by rashed and. Design of meanderline antennas for radio frequency. Experimental results and validation todetermine if thedesign in fig. In our case, for the purpose of reducing the size of transponder, a meanderline antenna mla is an attractive choice. Zainuddin et al 12 proposed a microstrip meander slot antenna with a various number of meander slots for wireless local area network application. Meander line antenna mla is the most usage of antenna that use in lte. Pdf lte is a standard for wireless data communications technology and an evolution of the gsmumts. Techniques for analyzing antenna lattice structures.
The gain of the antenna is efficient for meander line antenna to operate well at 2. Invertedf antenna the invertedf is a quarterwave antenna. Design and analysis of x band pyramidal horn antenna using. The designed antenna has been fabricated on the fr4 substrate. It consists of rectangular substrate and the metal trace layer as shown in fig. Meander line antenna has some advantages, it is electrically small, low profile antenna and has simple structure thus gives higher bandwidth 1.1558 1412 592 1032 1183 1632 202 587 585 60 11 82 1110 634 881 111 1624 1333 1452 470 932 870 252 311 434 1426 8 1570 874 542 1585 834 1120 1571 1600 690 1463 197 1267 222 1015 36 340 313 1303 1278 445