Hong, gain improvement of a microstrip patch antenna using metamaterial superstrate with the zero refractive. Ghz depending on the geometric specifications of ssrr, strip line, radiating patch. Jul 29, 2016 the metamaterial lens enhances the gain by 4 db from 5. Jun 11, 2017 metamaterial antenna meaning metamaterial anten. Optimizing antenna gain with a metamaterial filter the. Miniaturization of microstrip patch antenna using metamaterial. Actually i am working on an assignment to reproduce the results of a paper.
Bandwidth improvement for compact microstrip patch antenna. A uwb metamaterial based patch antenna for band notching. These characteristics are achieved by using a microstrip patch with metamaterial structures. Jan 19, 2018 a frequency reconfigurable patch antenna was designed for lower lband and upper sband, where the antenna utilizes a centrefed patch with shorting rods at its edges for lband and another. A small wearable conformal phased array antenna for. Gain improvement of microstrip patch antenna using negative. Apart from these advantages they also have various disadvantages like narrow band w idth, less gain etc. A metamaterialbased broadband lowprofile mushroom antenna is presented. Antenna designs incorporating metamaterials can stepup the radiated power of an antenna. However, this class of antenna incorporates metamaterials, which are materials engineered with novel, often microscopic, structures to produce unusual physical. The h shaped inter connected split ring shaped metamaterial structure is placed above the patch antenna at a height of 3. The proposed design consists of a ring monopole and metamaterial rectangular complementary split ring resonator rcsrr as the radiating part, two l and one tshaped slot as the ground plane, respectively.
Metamaterial used in the papers were nzim nearzero refractive index. Jul 06, 20 however, only a very small object was imperfectly hidden. I worked on designing, simulation and analysis of a microstrip patch antenna. Metamaterial mtm, directivity, impedance bandwidth. Dimension parameters of the metamaterial based patch antenna the designed antenna is an optimal method to obtain the uwb range through the structure parameters. A miniaturized metamaterial slot antenna for wireless. To increase the gain and bandwidth, metamaterial is added to the antenna 5. Let us work on structures in all quadrants not only quadrant iii, as well as other structures featuring unique em properties such as anisotropicity, chirality and so on. This antenna has better vswr, gain and radiation efficiency compared to an ordinary patch antenna. However, shrinkage of conventional antennas leads to performance degradation and complex mechanical assembly. Patch antenna based on metamaterials for a rfid transponder. Design of a widegainbandwidth metasurface antenna at. The antenna was composed of periodically arranged radiating printed cells which constitute an array that performs as a leaky wave radiating scheme, in which the direction of maximum radiation depends on the propagation constant of the. The photonic crystal is used as a superstrate which has a thickness of 1.
The proposed antenna is formed using an array of mushroom cells and a ground plane, and fed by a microstrip line through a. A variant of the patch antenna commonly used in mobile phones is the shorted patch antenna. 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. The 10 db impedance bandwidth of the proposed antenna is 2. In this paper, a selfdiplexed dualfrequency patch antenna for a rfid transponder is proposed.
A dualband microstrip patch antenna is designed and analyzed using metamaterial artificial substrate. Design and application of a metamaterial superstrate on a. Metamaterials approach makes better satellite antennas. Scribd is the worlds largest social reading and publishing site. Metamaterials in application to improve antenna parameters. The proposed antenna is modeled using ansys high frequency structure simulator using fdtd method. The antenna has three doublering resonators drrs etched on the metal patch, and a partial ground plane so that the impedance matching characteristics of the antenna are much better. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Abstract in this paper, a miniaturized microstrip patch antenna using a negative index metamaterial with modified splitring resonator srr unit cells is proposed for ultrawideband uwb applications. Reduced size microstrip patch antenna design is the property of its rightful owner. Introduction microstrip patch antenna has been very popular due to their small size, light weight, low profile, less cost. High directivity of microstrip patch antenna using. Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized electrically smallantenna systems. Negative refractive index is an important characteristic in metamaterial design and fabrication.
Metamaterial can be combined with a conventional or fractal microstrip antenna to create multiband antenna, in which the antenna size is determined by the lowest frequency. Metamaterial enhances microstrip antenna gain microwaves. Phdthesisdissertation multifunctional metamaterial designs. Hong, gain improvement of a microstrip patch antenna. Metamaterial embedded wearable rectangular microstrip patch.
Pdf antenna in biomedical applications akalya gowdhaman. High directivity of microstrip patch antenna using metamaterial. The new design of metamaterial based microstrip patch antenna has been optimized to provide an improved bandwidth and multiple frequency. Design of square split ring resonator shaped metamaterial. Cst microwave studio is a software package for the electromagnetic analysis and design, use to design the metamaterial based rectangular microstrip patch antenna. Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized electrically small antenna systems. There are microstrip antenna technology miniaturized by means of high permittivity dielectric substrate, using shorting wall, shorting pins, some deformation, as the. And another metamaterial antenna using three unit cells gives a better gain of 5. Microstrip patch antenna filled with split ring resonator array with a sshape patch 3 is designed for 1. Metamaterials 3 have been used to develop microwave circuits and antennas with unusual properties 4. Metamaterial based rectangular microstrip patch antenna improves the bandwidth and return loss in significant way. Research article metamaterial inspired microstrip antenna. Therefore, the design of miniature antennas for application in wireless communication systems is highly challenging using traditional. Aug 20, 20 parameters microstrip patch antenna metamaterial patch antenna resonant frequency ghz 1.
An unit cell consists of microstrip gaps and vias, whose behaviour is equivalent to. Miniaturization, metamaterial, microstrip patch antenna, double negative property. The gain improvement for the circular patch antenna was from 7. According to 21, the electric current density in a pma is greater at the edges of the patch. The antenna designed in step1 have the disadvantage of large size and no operating band.
The use of metamaterials can dramatically improve the performance and reduce the size of a patch antenna. Metamaterialengineered antennas university of arizona. This layout shows the concept of the microstrip antenna with two metamaterial lenses on the left and the spacing of the lenses on the right. Dissertation part1 presentation on design of rectangular patch antenna using metamaterial substrate by prateek kumar from rustamji. An outline about the exotic field of metamaterials and how antenna miniaturization is possible by the use of metamaterials. This paper presents the design of a planar lowprofile, widegainbandwidth metasurface antenna at terahertz frequency. It says that a metamaterial substrate can be designed by making a splitring resonator on an fr4 substrate. Metamaterial antenna the demerits of ordinary patch antenna like low gain. The relative magnetic permeability of the amm meta. Pdf high directivity of microstrip patch antenna using. Gain improvement of microstrip patch antenna using. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Bandwidth improvement for compact microstrip patch. According to the numerical results, the antenna showed significant improvement in directivity, compared to conventional patch antennae.
Therefore, the design of miniature antennas for application in wireless communication systems is highly challenging using traditional means. The proposed antenna consists of a metasurface and a planar feeding structure, both of which are patterned on an electrically thin, highpermittivity gaas substrate. A compact microstrip patch antenna using metamaterial. However, only a very small object was imperfectly hidden. A frequency reconfigurable patch antenna was designed for lower lband and upper sband, where the antenna utilizes a centrefed patch with. A metamaterialbased series connected rectangular patch antenna array for uhf rfid readers. Metamaterial antennas for wireless communications transceivers. Artificial magnetic conductors and electrically small radiating and scattering systems are emphasized. Ziolkowski, electrically small dualband and circularly polarized magneticallycoupled nearfield resonant parasitic wire antennas. Another application of the sr amm metamaterial is the patch antenna with a magnetodielectric loading. A novel miniaturized five band metamaterial inspired slot antenna is reported. Proposed metamaterial structure is significantly reduced the return loss and increased the bandwidth and directivity of the antenna with compare to rmpa alone. A uwb metamaterial based patch antenna for band notching and. The metamaterial lens enhances the gain by 4 db from 5.
Hong, gain improvement of a microstrip patch antenna using metamaterial superstrate with the zero refr active index, ieee trans. Ppt reduced size microstrip patch antenna design powerpoint. A printed antenna design engineer will find this useful. The optimum placement of the metamaterial slab in front of the circular patch antenna and the fractal patch antenna for maximum gain enhancement was determined to be 14 mm, and 18 mm respectively. This work is mainly focused on increasing the potential parameters of microstrip patch antenna.
A metamaterial based broadband lowprofile mushroom antenna is presented. Metamaterial based substrate is designed using square split ring resonator ssrr and wire strip. A uwb metamaterial based patch antenna for band notching and mimo application. How to design patch antenna on metamaterial substrate. This paper presents an indigenous lowcost metamaterial embedded wearable rectangular microstrip patch antenna using polyester substrate for ieee 802. In 2005 a patch antenna with a metamaterial cover was proposed that enhanced directivity. Proposed metamaterial antenna reduces the size of the microstrip patch antenna substantially and increases the directivity. Thus, in step 2, this problem is eradicated by etching metamaterial rcsrr inside the ring monopole, while keeping ground plane same as of step 1, as depicted in configuration b of fig. Keywords rectangular microstrip patch antenna rmpa.
The introduction of metamaterial rcsrr inside ring monopole alters the near field boundary conditions. Winner of the standing ovation award for best powerpoint templates from presentations magazine. If so, share your ppt presentation slides online with. Antenna array for mimo application the designed antenna result is suitable for operating from 3. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Antenna using metamaterials that is being submitted by govinda pradhan11003299 is in partial fulfillment of. Dual band metamaterial antenna for ltebluetoothwimax system. Dual band metamaterial antenna for ltebluetoothwimax. There are microstrip antenna technology miniaturized by means of highpermittivity dielectric substrate, using shorting wall, shorting pins, some deformation, as the. Metamaterial inspired antenna free download as powerpoint presentation. Dualband microstrip patch antenna miniaturization using. The proposed metamaterial structure along with microstrip patch antenna exhibits 32. Microstrip pentagonal patch antenna with pentagonal ring metamaterial.
Parameters microstrip patch antenna metamaterial patch antenna resonant frequency ghz 1. Limited space is given to antennas in modern portable wireless systems, which means that antennas need to be small in size and compact structures. 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. Design and analysis of miniaturized microstrip patch. A patch antenna also known as a rectangular microstrip antenna. Translation from physical concepts to engineering technology, comments of fermat, february 2014 at. The metamaterial achieves simultaneous negative permittivity and permeability at 2. Single negative, double negative, and zeroindex metamaterial systems are discussed as a means to manipulate their size, efficiency, bandwidth, and directivity characteristics. Figure 20 shows the simulation model and s11 scattering matrix coefficient of the two antennas, which operate on multiple frequencies. Their purpose, as with any electromagnetic antenna, is to launch energy into free space.
1210 73 987 1179 1107 166 801 1164 632 120 1078 1117 1349 490 448 1459 58 1441 1290 823 1244 689 729 956 699 156 1304 1441 158 283 997 552 712 1106 980 202 167 115 410 930 112 960 1106 1230 565 1238 1113 113 464