A metamaterial mtmbased thin planar lens antenna is proposed for spatial beamforming and multibeam massive multipleinput multipleoutput systems. Low gain is a main disadvantage of small planar antennas, which must be overcome to satisfy transceiver systems overall energetic ling budget. The proposed array antenna was designed, simulated, and fabricated on a roger4350b substrate. 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. Us6958729b1 phased array metamaterial antenna system. This metamaterial is divided into some rows which are composed of periodic annular slots with different transmission controlled by its dimension. The position of the ssrr array is changed to study the effects on mutual coupling in the antenna array.
The antenna introduced in this paper is a metamaterial based rectangular patch antenna array for uhf rfid readers. Pdf annular antenna array metamaterial with sinis bolometers. An emerging technology for realizing largescale antenna arrays of small physical size uses metamaterial radiators instead of conventional ones. Metamaterial can be used to overcome disadvantages of patch antenna such as size reduction with acceptable amount of bandwidth and power. An antenna array includes at least one transmit array comprising a plurality of metamaterial elements. Demonstration of the fractal advantage by adding a slipon fractal metamaterial sleeve to a basic monopole antenna, showing dramatic improvements in.
Typically formed by constructing lattices of simple elements, metamaterials possess electromagnetic properties not found in naturally. The newly invented metamaterial antenna contributes the best return loss of more than 20 db and 300 mhz bandwidth wider than the conventional patch antenna. In this paper, a multiple input multiple output antenna which operates at 5. A monofilar spiral antenna made of a wire of diameter 2a, with the curved arm section at height h above a conducting ground plane gp defined by the archimedean spiral function. They are commercializing a product that operates in the ku band 1015 ghz. Dual band metamaterial antenna for ltebluetoothwimax system. Pdf analysis of metamaterial based microstrip array antenna. Metamaterial array for swap constrained air platforms sbir. Metamaterial array for swap constrained air platforms.
Masud ece department north dakota state university fargo, nd, usa. Nov 28, 2018 metamaterial arrays have shown to be a technology that can reduce swap and potentially maintain the same performance as current array technologies. This includes remotely controlling how an incident electromagnetic wave em wave interacts with a metamaterial. Robust, continuous, and softwaredefined beam pattern control of holographic metamaterial antennas is necessary to realize the potential of these lowpowerconsumption, thin, lightweight, inexpensive antennas for consumer usage of satellite communication.
Epsilonandmunearzero emnz metamaterial structure inspired uhf antenna for nanosatellite has been proposed in this paper. By using the proposed metamaterial structure on the ground plane, not only the antenna bandwidth was improved, but also the gain of the antenna was increased. A metamaterial based series connected rectangular patch antenna array for uhf rfid readers benjamin d. Metamaterial inspired cmos tunable microwave integrated circuits for steerable antenna arrays mohamed a. Issn 17518725 wide angle impedance matching metamaterials. The challenge is to see if metamaterial arrays can significantly lower swap and meet the technical requirements for ew. Sep 02, 2016 presents recent progress in lowprofile natural and metamaterial antennas. Pdf compact cband slotted waveguide array antenna using. Metamaterial antennas consist of array of subwavelength. Overall data rates for the antennas depends on a number of factors like the size and operating frequency of the antenna. The structure of the antenna is based on a linear array of planar antennas excited by slots. Pdf metamaterial antenna arrays for improved uniformity. The objective of this research is to identify an optimal microwave antenna array for clinical use in hyperthermia treatment of cancer. Transformationopticsbased design of a metamaterial.
Metamaterialinspired cmos tunable microwave integrated. Soft computing techniques for mutual coupling reduction in. Nearzero metamaterial inspired uhf antenna for nanosatellite. These are the dimensions of the microstrip antenna. Each rectangular patch array can be connected in series with other array elements to form a travelling wave antenna. Dynamic metasurface antennas for uplink massive mimo. Microstrip line 400 for a phased array metamaterial antenna system. This means the capability to determine whether the em wave is transmitted, reflected, or absorbed.
Bandwidth enhancement in patch antenna by metamaterial. In this paper, we apply the to approach to the design of a metamaterial radome capable of extending the scanning angle of a phased array antenna. In addition to using an array antenna, recently the metamaterial is a solution that has been applied in antenna design. The objective of this research is to identify an optimal microwave antenna. Gain enhancement for mimo antenna using metamaterial. According to one aspect of the subject technology, a metamaterial lens coupled to antenna elements of the antenna array provides an aperture distribution of signals such that grating lobes and scan loss are minimized. Pdf metamaterial antenna arrays for improved uniformity of. Metamaterial antenna arrays for improved uniformity of. An efficient, lowloss, low sidelobe, high dynamic range phased array radar antenna system is disclosed that uses metamaterials, which are manmade composite materials having a negative index of refraction, to create a biconcave lens architecture instead of the aforementioned biconvex lens for focusing the microwaves transmitted by the antenna. 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. Pdf analysis of metamaterial based microstrip array. A wide variety of antenna examples are included to facilitate the understanding for general readers. Metamaterial assisted antenna array for reduction of sidelobe level abstract.
The antenna array further includes at least one nearfield stimulator for inputting electromagnetic signal to the transmit array so that a subwavelength target is illuminated with an electromagnetic wave. In addition to providing more than 6db gain compared to a conventional microstrip antenna, these metamaterial equipped antenna designs also feature increased bandwidth from 3. Multiband antenna array based on double negative metamaterial for multi automotive applications abdulrahman s. In this methodology, metamaterial structures are incorporated in the antenna in place of directors. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments by d. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments david vrba1, dario b. An array of single ring ssrr is used as a metamaterial structure, which is placed over the antenna array as shown in figure 5a. 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. S k behera department of electronics and communication engineering. Profile natural and metamaterial antennas wiley online. Design of square split ring resonator shaped metamaterial structure for enhancing the microstrip patch antenna parameters abhishek singh kuswaha, h. S11 parameter for patch antenna array with metamaterial 4. Slotted antenna arrays used with waveguides are a popular antenna in navigation, radar and other highfrequency systems.
If one metamaterial layer can help microstrip antenna performance, perhaps two layers might provide greater benefits. Metamaterial antennas are a class of antennas that use metamaterials to improve performance. This is not a forum for general discussion of the articles subject put new text under old text. Each of the two or more antenna elements is configured to scan within a field of view. Microwave metamaterial antennas and other applications. The proposed antenna is composed of two sets of four elements antenna array 2. Metamaterial assisted antenna array for reduction of. Reducing mutual coupling in microstrip array antenna using. A metamaterialbased series connected rectangular patch antenna array for uhf rfid readers benjamin d. This article investigates how to enhance the gain of an edge feed rectangular patch array antenna for 5g application using two novel double negative metamaterial dng. Demonstrations showed that metamaterials could enhance an antennas radiated power.
Enhancing 5g patch array antenna gain using dng metamaterial. First, we demonstrate a series of 3d broadband, low loss, dual polarization, and highdirectivity planar lens. For this aim we present a novel 434mhz applicator design based on a metamaterial zeroth order mode resonator, which is used to build larger array con gurations. Metamaterialbased thin planar lens antenna for spatial. Design of metamaterial based antenna using unit cells a thesis submitted in partial fulfillment of the requrements for the degree of master of technology in telematics and signal processing by jyotisankar kalia, roll no209ec1104 under the guidance of prof. X y reducing mutual coupling in microstrip array antenna using metamaterial spiral resonator hamideh kondori1, mohammad ali mansouribirjandi2, saeed tavakoli3 1,2,3 faculty of electrical and computer engineering, university of sistan and baluchestan, zahedan, iran. They have lowloss, high efficiency and radiate linear polarization with low crosspolarization. This is the talk page for discussing improvements to the metamaterial antenna article. A tunable metamaterial is a metamaterial with a variable response to an incident electromagnetic wave. Standard antennas need to be at least half the size of the signal wavelength to operate efficiently.
Designing superdirective patch antenna array using metamaterial. The antenna consists of a planar lens and a linear array of receivetransmit elements. Current microwave hyperthermia applicators are not well suited for uniform heating of large tissue regions. Compact cband slotted waveguide array antenna using multimode metamaterial array and multimode extractorconverter structure. This book presents the full range of lowprofile antennas that use novel elements and take advantage of new concepts in antenna implementation, including metamaterials. Gain and bandwidth enhancement of array antenna using a novel. A metamaterialbased series connected rectangular patch. Analysis of metamaterial based microstrip array antenna. Abstract in this work, rectangular microstrip patch antenna rmpa along with metamaterial which has square split ring resonator. Metamaterial enhances microstrip antenna gain microwaves. The antenna array consists of a singlelayer mushroom radiating structure and a.
Abdalla doctor of philosophy, 2009 graduate department of electrical and computer engineering university of toronto abstract this thesis presents the design of radiofrequency rf tunable active inductors tais. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments article pdf available in progress in electromagnetics research 156. The proposed antenna is formed using an array of mushroom cells and a ground plane, and fed by a microstrip line through a. The antenna array also comprises a metamaterial lens coupled to the two or more antenna elements. A lowprofile broadband metamaterial mushroom antenna array is proposed for highgain 60ghz band applications. Antenna designs incorporating metamaterials can stepup the radiated power of an antenna. The term smart adaptive antenna generally refers to any antenna array, terminated in a sophisticated signal processor, which can adjust or adapt its own beam.
Presents recent progress in lowprofile natural and metamaterial antennas this book presents the full range of lowprofile antennas that use novel elements and take advantage of new concepts in antenna implementation, including metamaterials. This paper presents an innovative concept of designing smart antenna using metamaterial. Osa extremumseeking control of the beam pattern of a. Designing superdirective patch antenna array using. Design of square split ring resonator shaped metamaterial. Typically formed by constructing lattices of simple elements, metamaterials possess electromagnetic properties not found in naturally occurring materials. Metamaterials in application to improve antenna parameters.
The proposed antenna is formed using an array of mushroom cells and a ground plane, and fed by a. By leveraging a reactive impedance surface ris metamaterial, this patch antenna design covers a wide bandwidth with high gain, serving a number of different wireless applications. Us20120176284a1 antenna array with metamaterial lens. Us7928900b2 resolution antenna array using metamaterials. After designing a unit cell at same frequency 28 ghz to the patch array antenna, we scale the unit cell to 10x5 and 5x4.
Pier online metamaterial antenna arrays for improved. Miniaturization of microstrip yagi array antenna using. In this paper the solution method used is a patch array. Ieee transactions on antennas and propagation 1 sidelobe canceling for optimization of recon. Under unloaded conditions, the conventional patch antenna array resonates at ieee 802. Khairi1, 3, and adam narbudowicz4, 5 abstractthis paper presents a design of multiband array antenna based on double negative. Each of the two or more antenna elements is further configured to transmit or receive a signal. Fractal metamaterial antenna monopole demonstration youtube. Pdf investigation and design of xband slotted waveguide.
In this paper, a novel design of metamaterial is reported for realizing low sidelobe level sll in the antenna array. A metamaterial based broadband lowprofile mushroom antenna is presented. Designing superdirective patch antenna array using metamaterial pranshu sharma1, dinesh arora2, hitender gupta3 student fellowship1, assistant professor2, assistant professor3, abstract microstrip patch antenna has certain drawbacks of low gain, narrow band, and surface wave losses. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments. This paper gives a brief introduction and classification of basic metamaterial structures and their usage in antenna engineering. We present a complete feedback control approach that enables adaptive control of the radiation pattern for the. We present two kinds of metamaterial lens antennas. Ieee transactions on antennas and propagation 1 sidelobe. Transformationopticsbased design of a metamaterial radome. It discusses the performance of an array antenna composed of four cp tilted.
Final chapters look at various properties of lowprofile metamaterial based antennas, revealing the strengths and limitations of the metamaterial based straight line antenna metaline antenna, metamaterial based loop antenna metaloop, open metaloop antenna, the effects of counter dualband cp radiation, and more. In each array element, each rectangular patch is connected to. Materials that can attain negative permeability allow for properties such as small antenna size, high directivity and tunable frequency. Miniaturization of microstrip yagi array antenna using metamaterial rhitam datta, tarakeswar shaw, and debasis mitra abstractan approach of miniaturizing planar yagi array using metamaterial is presented in this paper. Priority claim 0001 this application claims the benefits of u. The authors propose that the anisotropic properties of a metamaterial layer, when designed appropriately, can be employed to achieve impedance matching at a wide contiguous range of phased array antenna transmission angles. The newest metamaterial antennas radiate as much as 95 percent of an input radio signal. An antenna array comprises two or more antenna elements. This effort will demonstrate a metamaterial array aperture can meet the swap of 12 x 12, lolbs, erp of 65 dbm, perform electronic beam steering as well as transmit and receive from 1840ghz.
1264 1568 990 664 1358 1108 358 525 893 1126 41 1134 1269 1462 1490 1492 1279 1622 1648 1486 640 1478 1372 1113 206 540 1035 1467 241 174