Applications ranging from cloaking to miniaturization have necessitated new analysis and design approaches to these electromagnetically complex. A metamaterial based broadband lowprofile mushroom antenna is presented. This paper presents two novel metamaterial based antennas for passive ultrahigh frequency uhf rfid tags. Design of metamaterial loaded microstrip patch antenna the proposed design is based on rectangle shape. Hfss metamaterial patch antenna free pdf file sharing. The proposed antenna is simulated by the hfss software. Electrically small metamaterialbased antennas have we. The newest metamaterial antennas radiate as much as 95 percent of an input radio signal. A metamaterialbased broadband lowprofile mushroom antenna is presented. To achieve broadband coverage with a simple structure, an antenna was developed using ris metamaterial.
The proposed metamaterial structu re along with microstrip patch antenna. Dual band metamaterial antenna for ltebluetoothwimax system. The obtained results show that both the permeability and the. It is shown that by implementing omegalike elements and splitring resonators into the design of an antenna for an uhf. Antenna measured and simulated reflection coefficient response. For this antenna, a combination of a modified tsrr and a trapezoidal shaped ground plane are used to enhance the antenna performances. Jan 19, 2018 a compact metamaterial inspired antenna operate at lte, bluetooth and wimax frequency band is introduced in this paper. If you are looking for hfss tutorial then this video playlist will help you to learn antenna.
It will then be shown how the metamaterial phaseshifting lines can be used to make compact, broadband antennas and devices, and specific examples of a seriesfed linear antenna array, a wilkinson balun, a 1. Introduction to metamaterial applications and simulation with ansys hfss webinar metamaterials are rapidly becoming a key research topic in todays leading academic and commercial laboratories. A compact metamaterial multiband antenna for wlanwimaxitu. Because of their promise to provide engineerable permittivity, permeability, and index of refraction, metamaterials have drawn broad. It is observed that upon incorporation, the bandwidth widens to around 600% and vswr improves by approx. The evaluated results are obtained by hfss and cst simulators and measured results of microstrip patch antenna without metamaterial are shown in fig. The proposed antenna is formed using an array of mushroom cells and a ground plane, and fed by a microstrip line through a. Miniaturization of microstrip yagi array antenna using.
A novel metamaterial inspired patch antenna is proposed, wherein a 2segment srr labyrinth metamaterial is embedded inside the antenna substrate. Compact uwb mimo antenna with metamaterialinspired. A compact metamaterial multiband antenna for wlanwimax. However, shrinkage of conventional antennas leads to performance degradation and complex mechanical assembly.
High gain, directive and miniaturized metamaterial cband. Design and simulation of rectangular microstrip patch antenna. A comparison between results of the two antennas is done. The researches show that the metamaterial can be used for improving the antenna performance such as enhancing radiation properties 12, extending bandwidth, reducing mutual coupling 14, miniaturization 15, bandnotching 16,17, and multiple bands realization 18. By using metamaterial reflecting surface technique we obtain 4. Nelson3, cherish bauerreich4, jacob glower1 and gregory j. Metamaterial based rectangular microstrip patch antenna improves the bandwidth and return loss in significant way. Therefore, the design of miniature antennas for application in wireless communication systems is highly challenging using traditional. The structures are simulated using hfss electromagnetic simulator software. Elc unit cell, patch antenna without metamaterial and patch antenna with metamaterial. And another metamaterial antenna using three unit cells gives a better gain of 5.
High gain, directive and miniaturized metamaterial cband antenna. In this context, a metamaterial loaded yagi antenna is. Moreover, due to very tight system requirements for the radio performance, nonradiating. Limited space is given to antennas in modern portable wireless systems, which means that antennas need to be small in size and compact structures. Compact uwb mimo antenna with metamaterialinspired isolator fei wang, zhaoyun duan, shifeng li, zhanliang wang. Miniaturization of microstrip patch antenna using metamaterial. Consistent terminology derived from prior works should be used traditional antenna features should not be hidden behind new terminology. Left handed metamaterial design using hfss and designer rf. Microstrip patch antenna covered with left handed metamaterial. Efficiency and bandwidth improvement using metamaterial of.
A wide variety of antenna examples are included to facilitate the understanding for general readers. Pdf design of metamaterialloaded rectangular patch antenna. Metamaterials are materials typically engineered with novel or artificial structures to produce electromagnetic properties that are unusual or difficult to obtain in nature. Metamaterial antennas for wireless communications transceivers. Phdthesisdissertation multifunctional metamaterial designs for antenna applications phd thesis author pere josep ferrer gonz. Metamaterial mtm, epsilon negative eng metamaterial. Design and simulation of a microstrip leakywave antenna. Figure 5 gain for the simple rectangular patch antenna using hfss. Microwave electronics lab analysis and design of lefthanded metamaterial lenses using ansoft hfss anthony lai1, kevin m. The antenna is designed by hfss and the constitutive parameters are retrieved by the standard procedure. Hfss simulations, the decoupling srr dimensions are.
Click here to start a new topic please sign and date your posts by typing four tildes new to wikipedia. Dualband microstrip patch antenna miniaturization using. In literature, different alphabetic metamaterial structures have been used to enhance antennas. Metamaterial antennas will be very suitable to use in wlan both 2.
Their purpose, as with any electromagnetic antenna, is to launch energy into free space. However, this class of antenna incorporates metamaterials, which are materials engineered with novel, often microscopic, structures to produce unusual physical. The proposed antenna covers all of the frequency bands of interest. Bandwidth enhancement of rmpa using 2 segment labyrinth. A metamaterialenabled design enhancing decadesold short.
Antenna design is carried out using the transmission line method. Vel tech final year project metamaterial based antenna ece. Deformed omega and splitring resonator structures benjamin d. Traditional methods of antenna optimization have rarely improved upon the limits of physical size, bandwidth, and gain, so it was thought that using metamaterials as part of the construction might improve microstrip antenna performance. A printed antenna design engineer will find this useful. Ansoft hfss has been used to design and analyse the rmpa rectangular microstrip patch antenna with design frequency 9. This antenna obtained the maximum gain and directivity of 9. For the lower band, the design utilizes an outer square metallic strip. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. Thus, by this approach, considerable size reduction of antenna is achieved while attaining enhanced directivity. Design and application of a metamaterial superstrate on a. Microstrip patch antenna, srr, metamaterials, hfss i. The nicolsonrossweir nrw method has been used to retrieve the material parameters.
Analysis and design of lefthanded metamaterial lenses using ansoft hfss anthony lai1, kevin m. Hi, can i get hfss sample files for metamaterial antenna. I have design an antenna using meta material in hfss. Hfss quick and complete introduction of hfss tutorials. The antenna resonates at two distinct frequencies, as shown in figure 5, which are measured at 4.
Miniaturization of rectangular microstrip patch antenna using. It is attractive for multipleband applications, including wcdma, wimax, bluetooth, and wibro. Design of metamaterial based microstrip antenna with multiband. A dualband microstrip patch antenna is designed and analyzed using metamaterial artificial substrate. Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized electrically small antenna systems. Gain improvement of microstrip patch antenna using negative. An outline about the exotic field of metamaterials and how antenna miniaturization is possible by the use of metamaterials. Figure 4 input impedance of simple microstrip patch antenna using hfss. Owen1 1 department of electrical and computer engineering north dakota state university, fargo, nd, 58102, usa. Uwb metamaterialloaded antenna for cband applications. Some practical difficulties or limitations for the development of metamaterialbased small antennas are pointed out and the possible approaches to resolve these problems are also illustrated.
Electrically small metamaterialbased antennas have we seen. Cst microwave studio is a software package for the electromagnetic analysis and design, use to design the metamaterial based rectangular microstrip patch antenna. The return loss of a normal patch antenna designed at the resonant frequency of 2. At 300 mhz, for instance, an antenna would need to be half a meter. We consider the integration of such an antenna with a metamaterial to simultaneously achieve large overall ef. Compact uwb mimo antenna with metamaterialinspired isolator. Proposed metamaterial structure is significantly reduced the return loss and increased the bandwidth and directivity of the antenna with compare to rmpa alone. Here metamaterial antenna using unit cell is proposed, designed and simulated using cst microwave studio software.
The antenna is tuned to work at two resonating frequencies in the frequency range from 1 ghz to 4 ghz depending on the geometric specifications of ssrr, strip line, radiating patch, and feed. Can i get hfss sample files for metamaterial antenna. How can i simulate metamaterials based antenna in hfss. Experimentally, landy was able toachieve an absorptivity of 88%. The twodimensional antenna is simulated on an fr4 substrate and has a single side of copper cladding 18um thick 12 oz. Pdf a metamaterial based microstrip patch antenna with improved. For metamaterial antenna circular split ring resonators csrr are used. This paper elucidates antenna parameter optimization using 2 segment labyrinth metamaterial embedded in antenna substrate at high frequency thz. This is not a forum for general discussion of the articles subject put new text under old text. A printable metamaterial based microstrip antenna for. Bandwidth improvement for compact microstrip patch antenna. The antenna achieves a wide operating frequency band at the lower frequencies. Gain improvement of microstrip patch antenna using.
Dual band metamaterial antenna for ltebluetoothwimax. Design and simulation of rectangular microstrip patch. As the name state that there are several cut in rectangle so we take a rectangle with. Miniaturization of microstrip patch antenna has been proposed using.
As the name state that there are several cut in rectangle so we take a rectangle with length of 26 mm and width of 45 mm. Hfss simulation of the proposed antenna shows improved gain and return loss at the centre frequency of 4. Ghz depending on the geometric specifications of ssrr, strip line, radiating patch. In this paper, a dual band antenna as cpw antenna loaded with srr metamaterial is designed for dvbt and wifi bands applications. 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. Metamaterial inspired antenna free download as powerpoint presentation. Ziolkowski, fellow, ieee, and aycan erentok abstracta metamaterial paradigm for achieving an ef.
A model of the metamaterialenabled asbfa is shown in fig. Design of a single negative metamaterial based microstrip. Throughout, to simplify the discussion, we will consider an electrically small electric dipole as the basic antenna element. In the modern era, metamaterials are gaining enormous interest of researchers due to their peculiar electromagnetic properties. View forum posts private message view blog entries view articles full member level 4. The resonance frequency of the unit cell using the geometrical and physical parameters specified earlier is estimated to be f 14. Mar 03, 2018 hfss tutorials for beginners to professionals.
Metamaterialbased antennas should be marketed as alternative solutions to traditional antennas, rather than the only possible solution. Modeling and simulation of the antenna were performed using finiteelement method in high frequency structure simulator hfss and agilent advanced design system ads. Phdthesisdissertation multifunctional metamaterial designs. In this paper, simulation is done using the ansoft hfss high frequency structure simulator software which uses the finiteelement method fem method for solution of electromagnetic structures pozar, 1992. Design of square split ring resonator shaped metamaterial.
I am just starting to learn or metamaterials so, planning to start with an example file in hfss, pls help. This work is mainly focused on increasing the potential parameters of microstrip patch antenna. The second was a 30mm version that was the same length as the height of the lossy 570mhz z antenna and larger than the monopole length of the 300mhz z antenna. Standard antennas need to be at least half the size of the signal wavelength to operate efficiently. Vel tech final year project metamaterial based antenna. The tsrr acts as a radiating element of the device.
In this proposed work, a novel square minkowski fractalshaped metamaterial mtm array is designed as a superstrate of rectangular patch antenna with defected ground structure. Metamaterial antenna the demerits of ordinary patch antenna like low gain and efficiency can. The antenna configuration is based on a onelayer patch design. This antenna has 140 mhz bandwidth, return loss at centre frequency has less than 16. This is the tutorial video on ansoft hfss software. A novel metamaterialinspired patch antenna is proposed, wherein a 2segment srr labyrinth metamaterial is embedded inside the antenna substrate. The area of the proposed patch antenna is reduced about 73.
Analytical and design results are obtained using 3d electromagnetic simulator termed as hfss version 15. Miniaturization of rectangular microstrip patch antenna. Metamaterial based substrate is designed using square split ring resonator ssrr and wire strip. In this paper we have discussed and analyzed the performance of microstrip patch antenna with and without using the meta material structure. This proposed mtm superstrate, placed at optimum height of 15 mm from the. Hfss quick and complete introduction of hfss tutorials for. A compact metamaterial inspired antenna operate at lte, bluetooth and wimax frequency band is introduced in this paper. The high frequency structure simulator software hfss is used to design these antennas. Design of metamaterialloaded rectangular patch antenna.
After comparing both antennas bandwidth and efficiency improvement of metamaterial antenna is reported. Rectaangular microstrip patch antenna for wireless. Proposed metamaterial antenna reduces the size of the mic rostrip patch antenna substantially and increases the directivity. Mar 19, 2012 some practical difficulties or limitations for the development of metamaterial based small antennas are pointed out and the possible approaches to resolve these problems are also illustrated.
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