By using a new material called metamaterial the surface waves can be removed. Based on an ordinary patch antenna, the antenna has isolated triangle gaps and crossed stripline gaps etched on the metal patch and ground plane, respectively. A braod bandwidth and high gain rectangular patch antenna was specifically designed in this paper using planarpatterned metamaterial concepts. The proposed antenna is composed of two sets of four elements antenna array 2.
Substrate is used for this purpose is fr4 glass epoxy with dielectric constant of 4. Pdf in this paper, the effect of loading microstrip antenna using epsilon near zero enz metamaterial is investigated. Numerical investigation of liquid metamaterialbased. Numerical results for typical resonant frequency behavior and return loss are presented as function of the. The proposed microstrip patch antenna is compact, miniature,coste.
Pdf liquid metamaterial based microstrip antenna researchgate. A novel metamaterialinspired patch antenna is proposed, wherein a 2segment srr labyrinth metamaterial is embedded inside the antenna substrate. Dual band metamaterial antenna for ltebluetoothwimax. A broadband lefthanded metamaterial microstrip antenna. Each split ring resonator is made up of two concentric circular copper rings patterned on a substrate of fr4, with slits diametrically opposite each other. A novel metamaterial microstrip antenna of broadband and high.
A high gain rectangular microstrip patch antenna using di. Design and simulation of rectangular microstrip patch. It is possible to verify in the first resonant mode between the antennas that there was an increase on the parameter values s11 of about 18. Their purpose, as with any electromagnetic antenna, is to launch energy into free space. Martin3 1institute of electromagnetics, university of electronic science and technology of china, chengdu 611731. Application of metamaterial to improve isolation between. Metamaterial enhances microstrip antenna gain microwaves. Design and analysis of dng metamaterial based microstrip. Request pdf microstrip antenna gain enhancement with metamaterial radome in this work, a high gain patch antenna using multilayer fss radome is proposed for millimeterwave applications. Abstracta uslot microstrip patch antenna loaded with metamaterial substrate is presented. Microstrip antennas gain enhancement using lefthanded metamaterial structure.
Incorporating metamaterials in the conventional microstrip patch antenna improves the performance and reduce the size of the antenna. Martin3 1institute of electromagnetics, university of electronic science and technology of china, chengdu 611731, peoples republic of china 2department of electrical and computer engineering, national university of singapore. A metamaterialenabled design enhancing decadesold short. Pdf a broadband and high gain metamaterial microstrip antenna. Results obtained are well in coherence between fem. Figure 1 shows a twodimensional 2d layout of the microstrip antenna. Liquid metamaterial based microstrip antenna patel 2018.
Compared with a conventional microstrip patch antenna, the gain of the proposed antenna has been improved. To better understand the benefits of using metamaterial structures with microstrip antennas, an antenna was designed with a unitcell metamaterial lens structure. Here, the ground plane, which includes a lattice of 2. Compact and miniaturized metamaterialbased microstrip. The designed metamaterial structure is a modified elc resonator structure. For the design proposed in this article, researchers achieved size reduction when a circular microstrip patch is loaded with a metamaterial structure using a complementary split ring resonator csrr with partially loaded nonuniform metasurfaces numss on a.
An improved ultrawideband uwb and high gain rectangular microstrip antenna is specifically designed in this paper using planar metamaterial based on. A dual layer periodically patterned metamaterial inspired antenna on a low cost fr4 substrate is designed, simulated, fabricated, and tested. Design of rectangular microstrip patch antenna loaded with different c patterns lefthanded metamaterial structure has been proposed. The same metamaterial unit cell structure is utilized to fabricate a metascreen. A novel design of metamaterial to enhance the characteristics. Pdf chiral metamaterial based circularly polarized. Gain enhancement for mimo antenna using metamaterial. Microstrip antenna gain enhancement with metamaterial. This paper proposes a microstrip patch antenna based on the lefthanded metamaterial concept, using planar periodic geometry, which results in improved characteristics.
A novel metamaterial inspired patch antenna is proposed, wherein a 2segment srr labyrinth metamaterial is embedded inside the antenna substrate. The design results in the form of return loss, bandwidth and gain are compared. Also, a better matching, compared to yagi antenna, is observed in this proposed design. High directivity of microstrip patch antenna using metamaterial. This configuration is designated composite rightlefthanded crlh metamaterial. The conventional microstrip patch is assumed as a primary antenna and then, minkowskilike fractal geometry is applied. The annular ring microstrip antennas on metamaterial substrates are modeled and analyzed using fullwave analysis in conjunction with ansoft hfsstm. It described here in terms of its equivalent circuit also. Pdf broadband microstrip antenna using enz metamaterials. Dual band metamaterial antenna for ltebluetoothwimax system. A compact metamaterial inspired antenna operate at lte, bluetooth and wimax frequency band is introduced in this paper. Upon incorporation, directivity increases by 24% and gain increases by 18%. Metamaterial enabled the excellent performance of microstrip antenna array.
Liquid metamaterial based microstrip antenna patel. Miniaturization of microstrip yagi array antenna using. For the lower band, the design utilizes an outer square metallic strip. The liquid metamaterial microstrip antenna is also compared with metal copper metamaterial microstrip antenna.
Miniaturizing a microstrip antenna using metamaterials and. The nicolsonrossweir nrw method has been used to retrieve the. Study of microstrip antenna behavior with metamaterial. Metamaterials acts as an insulator to eliminate substrate surface waves. Antenna parameter optimization using sshaped metamaterial embedded in antenna substrate at high frequency thz is elucidated in this paper. Index termsdirectivity, metamaterial, microstrip patch an tenna mpa, zero index metamaterials zim. A comparative analysis of different conventional and metamaterial based microstrip patch. In this paper, design and analysis of utshaped metamaterial antenna have been presented. Metamaterial inspired microstrip antenna investigations using. In this paper we discuss metamaterial application to improve isolation between two microstrip patch antennas with split ring resonatorssrr exhibiting negative permeability. Design and simulation of rectangular microstrip patch antenna loaded with metamaterial structure. Demonstrated to have lefthanded characteristics, the patterned metal patch and finite. Martin3 1institute of electromagnetics, university of electronic science and technology of china, chengdu.
The return loss shows a good agreement between microstrip antenna with and without eng metamaterial where both resonance at 14. However, this class of antenna incorporates metamaterials, which are materials engineered with novel, often microscopic, structures to. This periodic geometry is derived from fractal shapes, which have been widely used in antenna engineering. The eigenmode dispersion simulations are performed indicating the left handed metamaterial characteristics and are tunable with substrate permittivity. In this paper, a different double negative dng metamaterial is demonstrated to upgrade the performance of microstrip patch antenna mpa. Pdf high directivity of microstrip patch antenna using. A novel design of metamaterial to enhance the characteristics of a rectangular microstrip patch antenna baljeet singh sinwar, mithilsh kumar. Ameliorate bandwidth and gain of a patch antenna miniaturization of microstrip patch antenna these are the two objectives of this survey 1 20. Uwb, miniaturized and directive metamaterial loaded. Upon incorporation of proposed metamaterials array inside the antenna substrate, bandwidth of antenna increases by 770 ghz and directivity by about 11%. Numerical results for typical resonant frequency behavior and return. Jul 29, 2016 to better understand the benefits of using metamaterial structures with microstrip antennas, an antenna was designed with a unitcell metamaterial lens structure. A rectangular microstrip patch antenna with circular rings shaped metamaterial connected with each other using strip lines, is designed at a height of 3. A microstrip patch antenna design by four metamaterial cells whit split ring resonator structure.
The shape used for conventional patch antenna is rectangular with insert feed. Chiral metamaterial based circularly polarized microstrip antennas. The antenna was designed to operate at frequency of 2. Study of a microstrip antenna on anisotropic metamaterials. The two types of fractal geometry used are 1 st iteration of minkoweski and koch separately, while. In this paper, a metamaterial based compact multiband microstrip antenna is proposed which can give high gain and directivity. The proposed antenna utilizes csrrs in the ground plane altering the effective medium parameters of the substrate. Metamaterial based rectangular microstrip patch antenna improves the bandwidth and return loss in significant way. And another metamaterial antenna using three unit cells gives a better gain of 5. Efficiency and bandwidth improvement using metamaterial of. Design of dual band microstrip patch antenna using.
The metamaterial substrate consists of an array of 5. It shows negative permittivity and permeability characteristics. The complementary spiral ring resonators csrs which exhibit single negative resonant permittivity around 3. The tuning in the frequency spectrum is achieved by using liquids instead of metal as metamaterial. Cst microwave studio is a software package for the electromagnetic analysis and design, use to design the metamaterial based rectangular microstrip patch antenna. Double negative metamaterial, rectangular microstrip patch antenna, negative permittivity and. A wide variety of antenna examples are included to facilitate the understanding for general readers. Short backfire antenna with microstrip clavin feed. It is observed that upon incorporation, the bandwidth widens to around 600% and vswr improves by approx. Multiband microstrip patch antenna for wireless applications. It is combination of two parallel capacitor connected in. Bandwidth improvement for compact microstrip patch. Bandwidth improvement for compact microstrip patch antenna.
A broad bandwidth and high gain rectangular patch antenna was specifically designed in this paper using planarpatterned metamaterial concepts. Design of square split ring resonator shaped metamaterial. A broadband and highgain metamaterial microstrip antenna. This paper reports a method of reducing a microstrip patch antenna size using defected ground structure dgs metamaterial. Comparison between the new rectangular microstrip patch antenna and the proposed antenna demonstrates the impact of loading metamaterial in antenna structure. Pdf microstrip patch antenna is the low volume, low weight means low profile antenna. Pdf microstrip antennas gain enhancement using lefthanded. The influence of the permeability tensor of the split ring resonator medium on the resonant characteristics of the antenna is considered. To characterize the performance of the csrr loaded microstrip antenna, the metamaterial substrate has been modeled as an effective medium with extracted constitutive parameters.
The effectiveness of an antenna is increased from 72% to 80. Stacking liquid patches to active microstrip antenna have resulted in higher gain and improved bandwidth. Demonstrated to have lefthanded characteristics, the patterned. The design and simulation of mic rostrip patch antenna with and without metamaterial structure has been done using cst software. Design of a single negative metamaterial based microstrip. The metamaterial array is embedded inside the substrate of rectangular microstrip patch antenna. Pdf a compact multiband metamaterial based microstrip. From the proposed antenna designing techniques and their practical implementation, it is observed that modifying the antenna topology using metamaterial, dielectric resonator, defect ground and metering stubs is proven as a goaloriented approach for. Martin3 1institute of electromagnetics, university of electronic science and technology of china, chengdu, china 611731. In this manuscript, we have presented the use of liquids to realize microstrip antenna 16,17,20.
Metamaterial extends microstrip antenna request pdf. It has been successfully illustrated here that the use of metamaterial makes antenna a better resonator. Pdf microstrip antennas gain enhancement using left. 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. In part ii, the design of a simple patch fed by a microstrip line is explained using the basic design equations. Demonstration of an octavebandwidth negligibleloss metamaterial horn. We report initially the design, fabrication and measurement of using waveguided electric metamaterials mtm in the design of closelyspaced microtrip antenna arrays with mutual coupling reduction. Metamaterial is an unreal or synthetic material which.
Osa ultrasmall singlenegative electric metamaterials for. Metamaterial microstrip antenna a broadband and highgain metamaterial microstrip antenna lewei li,1, a yanan li,2 tat soon yeo,2 juan r. The proposed metamaterial structu re along with microstrip patch antenna exhibits 32. This is the measured vswr for the microstrip antenna design, from 3 to 15 ghz. Microstrip antenna s gain enhancement using lefthanded metamaterial structure. The tuning in the frequency spectrum is achieved by using liquids instead of. Then antennas are fabricated and their properties are. Microstrip line 400 for a phased array metamaterial antenna system.
Jan 19, 2018 a compact metamaterial inspired antenna operate at lte, bluetooth and wimax frequency band is introduced in this paper. The performance improvement which was achieved in rectangular patch antenna was made by the use of fractal geometry and lefthanded metamaterial lhm. High gain, directive and miniaturized metamaterial cband. A high gain rectangular microstrip patch antenna using different. A survey on microstrip patch antenna using metamaterial. High directivity of microstrip patch antenna using. A negative index metamaterial to enhance the performance. Uwb metamaterialloaded antenna for cband applications. The metamaterial antenna achieved results with major size reduction of 45%, better bandwidth and better returns loss if it is compared to the pair of. The scattering parameters are utilized to plan and corroborate the dng structure.
A broadband and highgain metamaterial microstrip antenna lewei li,1,a yanan li,2 tat soon yeo,2 juan r. Metamaterial superstrate microstrip patch antenna for 5g. The metamaterial loaded antenna shows improved directivity and e. The metamaterial property was obtained as a result of the doublefractal structure on both the. To miniaturize the antennae further a metamaterial based approach has been incorporated. The scope of this paper was the design of a microstrip antenna suitable for portable communication devices with small size and the capability of controlling the direction of maximum radiation. Design and simulation of rectangular microstrip patch antenna.
For the design proposed in this article, researchers achieved size reduction when a circular microstrip patch is loaded with a metamaterial structure using a complementary split ring resonator csrr with partially loaded nonuniform metasurfaces numss on a ground plane. A broadband and high gain metamaterial microstrip antenna. A smaller microstrip antenna design is essential for current and future wireless applications. Figure 5 gain for the simple rectangular patch antenna using hfss. Metamaterials are periodic structures and have been intensively investigated due to the particular features such as. Pdf miniaturization of microstrip patch antenna through.
A conventional microstrip patch antenna using pair of slots is also designed which resonates at 1. Jan 24, 20 the annular ring microstrip antennas on metamaterial substrates are modeled and analyzed using fullwave analysis in conjunction with ansoft hfsstm. Torpi, omegashaped metamaterial lens design for microstrip patch antenna performance optimization at 12 ghz, international conference on electrical electronics engineering eleco, bursa, turkey, 30 nov 2 dec, pp. The proposed circular srr based dng mpa could be a great competitor for application in wireless communication. Pdf the microstrip antenna loaded with liquid metamaterials is presented in the manuscript. Nov 23, 20 compared with a conventional microstrip patch antenna, the gain of the proposed antenna has been improved. Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized electrically small antenna systems. Application of metamaterial to improve isolation between two.
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