A wideband stacked dielectric resonator antenna with stable patterns is proposed for fifth. Theory the triangular dielectric resonator antenna is used in antenna array designing as large range of spacing between the elements is allowed. A compact cylindrical dielectric resonator antenna. Ultra wideband stacked zshaped dielectric resonator antenna kedar trivedi, and dhaval pujara electrical engineering department, institute of technology, nirma university, ahmedabad382481, india abstract in this paper, a hybrid zshaped dielectric resonator antenna dra design is. A simple dielectric resonator antenna dra for x band frequency operation is proposed in this paper. Wideband stacked rectangular dielectric resonator antenna at. The proposed antenna structure consists of cylindrical dielectric resonator and serpentine slot resonator. A wideband stacked dielectric resonator antenna for 5g. Wideband microstrip fed stacked rectangular dielectric resonator antenna for wlan application 1g. Ultra wideband stacked rectangular dielectric resonator antenna. It has been found that very similar radiation performance including resonant modes, reflection coefficients, boresight gains, and radiation patterns can be obtained between them, indicating that the dielectric superstrate of stacked. Stacked dielectric resonator antenna for multifrequency operation. The current research article presents a hollow stacked dielectric resonator antenna with hi gh gain for uwb applications.
The structure of the proposed antenna consists of a stacked cylindrical dielectric resonator, a metallic cap that is located on the resonator, and a ground plane. The first and second probes are spaced apart from each other. A lowprofile stacked dielectric resonator antenna with. Read stacked dielectric resonator antenna for multifrequency operation, microwave and optical technology letters on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Dual band stacked rectangular dielectric resonator antenna. A compact cpw fed stacked cylindrical dielectric resonator antenna for wlan applications 44 7. The coaxial probe passes through the lower resonator and ends 1. In this article, we present the study to improve the bandwidth of the dielectric resonator antenna dra excited by aperture coupled feed by using a stacked dra configuration above a ground plane. The focus of this work has been the exploration of different concepts of the dielectric resonator antennas. The edge coupled microstrip ring resonator is commonly used to determine microwave substrate properties, in particular the dielectric constant and loss tangent. Stacked dielectric patch resonator antenna with wide. This thesis is a presentation of a design and fabrication of ultrawideband stacked rectangular dielectric resonator antenna uwbrdra, where the effect of position perturbations on the bandwidth of an aperture coupled dielectric resonator antenna dra is studied.
This work presents the design of a high gain stacked cylindrical dielectric resonator antenna sc. A cylindrical dielectric resonator antenna for wireless. The achieved impedance bandwidth of two dr stacked antenna is about 73%. A compact cpw fed dielectric resonator antenna for wlan applications 39 6. A dielectric resonator antenna having a resonator formed from a dielectric material mounted on a ground plane. In this designed antenna, the wide input impedance.
Stacked conicalcylindrical hybrid dielectric resonator. Rotated stacked dielectric resonator antenna, ieee conclusion 2014. Cdra fed by a microstrip line for anticollision radar srr application at 79 ghz. A metallic wban dielectric resonator antenna for ism band. In 3, a thin circular disk dielectric resonator antenna with very high permittivity. A stacked dielectric patch resonator antenna with wide bandwidth and flat gain is proposed. Abstract a stacked dielectric resonator antenna dra, composed of an annular ring excited by a coaxial probe and two cylindrical dielectric. It is observed that the air gap between two dielectric. Three cylindrical dielectric resonators drs with di.
Pdf stackeddielectric resonator antenna for tv white space. A stacked dielectric resonator antenna is a good candidate for this requirement 1 3. The antenna exploits two lowq modes with overlapping bandwidths to achieve a wide continuous bandwidth. The dielectric resonator antenna is believed to have higher efficiency at millimeter wave frequencies in comparison with the microstrip antenna as metallic loss is reduced 2. The dra is composed of a dielectric resonator dr and a thin dielectric segment, which. Dielectric resonator dr used as an antenna resonator is cylindrical in shape, hence modeled antenna design is termed as cylindrical dra.
Apr 30, 2019 this paper presents a novel design of antenna using sapphire. A stacked rectangular dielectric resonator antenna dra is studied experimentally. Abstracta new wideband and highgain dielectric resonator antenna dra is proposed. Dielectric analysis of material at microwave frequencies can be done using novel shielded stacked multiring resonator smrr. Us6147647a circularly polarized dielectric resonator. Compared to all earlier configurations, the proposed geometry significantly improves the impedance bandwidth. The antenna was designed using cst mws v 16 with open boundary conditions for simulations. The input impedance of a single cylin drical dielectric resonator of e, 10. A novel lowcost circularly polarized rotated stacked dielectric resonator antenna. A wideband highgain stacked cylindrical dielectric resonator antenna by y. Though metallic antennas are capable enough to fulfil all the operational requirements, however at very high frequencies and under hostile temperature conditions they are constrained to face certain limitations. A wide dualband circularly polarized cp stacked rectangular dielectric resonator antenna dra is presented.
Dielectric resonator antennas dras have received increased attention in various applications due to their attractive features in terms of high radiation eciency, light weight, small size and low proflle. Study of broadband dielectric resonator antennas progress in. The qcdra has been introduced by splitting cdra into four uniform quarters and multisegmentation approach has been castoff for further improvement in bandwidth of qcdra. A wide dualband stacked rectangular dielectric resonator antenna is also presented. Keywords stacked dielectric resonator antenna, wireless application, microstrip line, wlan. Two different techniques namely partial ground plane and multi stacked elements have been used in the designing of the proposed antenna to improve the performance of the antenna. Broadband filtering dielectric resonator antenna with wide. In this context a three stacked conical ring dielectric resonator antenna has been proposed to operate beyond the ultra wideband range.
The antenna parameters optimization was carried out using parametric sweep option in the software wideband hsrdr. In this paper, a wideband stacked cylindrical dielectric resonator antenna wscdra, which is capable working in cband of microwave region has been presented. Harackiewicz3, and kiyun han4 abstractconical and cylindrical dielectric resonator elements are vertically stacked and excited by a simple coaxial monopole. Ultra wideband stacked zshaped dielectric resonator antenna kedar trivedi, and dhaval pujara electrical engineering department, institute of technology, nirma university, ahmedabad382481, india abstract in this paper, a hybrid zshaped dielectric resonator antenna dra design is proposed. Pdf stacked conicalcylindrical hybrid dielectric resonator. Stacked rectangular dielectric resonator antenna with. X band is a microwave band lies between frequency range 8 to 12 ghz. In this structure, the power coupling from the microstrip line to the two radiators requires two layer substrates, which increases the size and the complexity of the antenna. An investigation of stacked and embedded cylindrical. Pdf wideband stacked rectangular dielectric resonator antenna. By placing the dielectric layer of low permittivity 2.
Design of stacked rectangular dielectric resonator antenna. Ultra wideband stacked rectangular dielectric resonator. A wideband stacked dielectric resonator antenna for 5g applications. The measurements were carried out on different glassceramic compositions and showed.
Stacked dielectric resonator antenna for multifrequency. In this paper, rectangular shape orthogonal microstrip feeding technique is proposed to excite the circularly polarized dielectric resonator antenna for wireless applications. Presented in this work is a parametric study of two stacked elliptical dras placed on an infinite ground plane and excited by a coaxial probe penetrating the lower dra. Dielectric resonators drs have proved themselves to be ideal candidates for antenna applications by virtue of their high radiation efficiency, flexible. A wideband probefed stacked dielectric resonator antenna. With the help of inserted air gaps to reduce the radiation q. Dielectric resonator antennas dra for satellite and body. Stacked conicalcylindrical hybrid dielectric resonator antenna for improved ultrawide bandwidth ali a.
This paper presents the simulation of a stacked equilateral triangular dielectric resonator antenna excited by a coaxial probe. A simple dielectric resonator antenna for x band operation has been proposed in this paper. Wideband stacked rectangular dielectric resonator antenna at 5. In proposed dra reflector plane is used beneath the microstrip feed line with a small air gap, introduced between feed substrate and reflector plane to reduce the back lobe. A low profile stacked dielectric resonator antenna dra and a microstrip metasurface ms antenna are investigated and compared in this communication.
Stacked and embedded cylindrical dras shown in figure 10. Stacked equilateral triangular dielectric resonator. It is also well known that under certain circumstances, a microstrip ring circuit can act as a narrowband antenna. Some research team studied the high gain antenna by enhancing the radiation intensity from the sidewall of the stacked dielectric resonator. Wide dualband circularly polarized stacked rectangular. The reflector plane with a small air gap, below the microstrip feed line has improved the performance of the dra. This is achieved using lowpermittivity dra volume placed on high permittivity dra volume. Index terms dielectric resonator antenna, broadband, multifrequencies. Numerical analysis of stacked dielectric resonator antennas excited by a coaxial probe for wideband applications aa kishk, x zhang, aw glisson, d kajfez ieee transactions on antennas and propagation 51 8, 19962006, 2003. N9420501 bandwidth enhancement of dielectric resonator antennas richard q.
Sapphire stacked rectangular dielectric resonator aperture. Segmented quarter cylindrical dielectric resonator antenna. By using this method, dra can drive large profit, even with the same size of the conventional dra. In this paper, a novel tshaped compact dielectric resonator antenna dra is proposed for wide band application. Conical and cylindrical dielectric resonator elements are vertically stacked and excited by a simple coaxial monopole. Wideband microstrip fed stacked rectangular dielectric. Pdf efficient stacked cylindrical dielectric resonator. The proposed antenna takes advantage of two lowq modes which have overlapping bandwidths so as to achieve an ultrawideband. Stacked elliptical dielectric resonator antennas for wideband applications.
Various multisegment cylindrical dielectric resonator antenna geometries are considered including stacked, coreplugged, and embedded stacked. First and second probes are electrically coupled to the resonator for providing first and second signals, respectively, to or receiving from the resonator. Although this fact has been known for many decades, only re cently twodimensional arrays of such objects all dielectric metasurfaces have started to emerge as a new paradigm for flat optical components, sensors. An uptodate literature overview on relevant approaches for controlling circuital characteristics and radiation properties of dielectric resonator antennas dras is presented. Pdf stacked cylindrical dielectric resonator antenna with. Design of dual band dielectric resonator antenna with. An aperture coupled two layer stacked rectangular dielectric resonator antenna structure design consists of sapphire and tmmi. The proposed antenna takes advantage of two lowq modes which have overlapping bandwidths so as to achieve an ultrawideband operation. The antenna consists of two dielectric layers with different permittivities and it is centrally fed by a rectangular slot.
For example, a dielectric resonator is stacked on the top of the other. Stacked rectangular dielectric resonator antenna, wlan application. Abstract presently wireless applications have lot of evolution in. Radio waves are introduced into the inside of the resonator material from the transmitter circuit and bounce back and forth between the resonator walls. Numerical analysis of stacked dielectric resonator antennas excited.
Dielectric constant measurement of low loss liquids using. Three stacked conical dielectric resonator antenna for. By using this method, dra can drive large profit, even with. In order to maneuver over the ultra wideband range, several structures have been investigated with increased impedance bandwidth. A probe feed wideband multielement dual segments quarter cylindrical dielectric resonator antenna qcdra in composite forms have been proposed.
Thus, dielectric resonator antennas are considered as a functional antenna element for applications in the microwave frequency range and above. The antenna consists of thirteen dielectric layers with different permittivity. Stacked cylindrical dielectric resonator antenna with metamaterial as a superstrate for enhancing the bandwidth and gain. Circularly polarized 2 element rectangular dielectric. Makwana et al wideband stacked rectangular dielectric resonator antenna at 5. An engineered novel tunable dualband metamaterial antenna based on stacked split ring resonator srr array is. The ground plane is formed from a conductive material. The proposed antenna consists of a grounded arlon dielectric substrate of dimension 70mm. Wideband stacked rectangular dielectric resonator antenna. Ultra wideband stacked zshaped dielectric resonator antenna. Mainly, a new kind of glassceramic material was characterized and used for making different dielectric loaded or dielectric resonator antennas and corresponding arrays based on such radiating elements.
Dielectric resonator antenna for x band microwave application. Dielectric resonator dr used as an antenna resonator is cylindrical in shape, hence modeled antenna design. The merging of the two modes of the rdra is achieved through the careful dimensioning. Pdf this article presents the design and measurement of a stackeddielectric resonator antenna for tv white spaces. A wideband, low profile and high gain dielectric resonator antenna is investigated in this letter. Dielectric materials for compact dielectric resonator antenna applications 29 a number of modes can be excited within the dra, many of them provide dipolarlike radiation characteristics. The proposed dra can be used for microwave applications typically used at x band where use of microstrip antenna offers the problem of high. The most common targeted frequencies presented by the research literatures are ranging from 1ghz to 40 ghz.
Theory the triangular dielectric resonator antenna is used in antenna array designing as large range of spacing between the elements is. Physical parameters of stacked rdra have been optimized by extensive numerical simulations using hfss. Recently hybrid resonator antenna techniques have also been used in dielectric resonator antennas, such as a dielectric resonator onpatch antenna 17. The dielectric constant of liquids and paste has been calculated using smrr with greater accuracy than the planar resonator, boxed resonator and stacked resonator. Pdf a wideband probefed stacked dielectric resonator. The serpentine slot is etched on the ground plane of the dielectric resonator antenna dra. Broadband stacked dielectric resonator antennas electronics. This construction increases the overall height of the antenna but the surface area in the planar direction remains as that of the singlepatch antenna of the same operation considerations. Furthermore, advanced design solutions for enhancing the realized. The authors introduce a miniature and gain enhancement method of dielectric resonator antenna dra using a metallic cap. Pdf this paper presents a design of stacked rectangular dielectric resonator antenna rdra with wide bandwidth, in the range of. Simons nasa lewis research center ms 548 cleveland, ohio 445 abstract this paper reports an experimental investigation of. A new wideband and highgain dielectric resonator antenna dra is proposed.
The stacked rectangular dielectric resonator dr has two layers, and it is excited by an asymmetrical crossslot. The microstrip ring resonator for characterising microwave. Alldielectric photoconductive metasurfaces for terahertz. Priyanka and alekhya jadda department of electronics and communication engineering, bapatla womens engineering college, india. Nov 01, 2010 a stacked rectangular dielectric resonator antenna dra is studied experimentally. Enhanced gain and miniaturisation method of stacked. Dual band stacked rectangular dielectric resonator antenna with elliptical slot dgs for 5g application k jhansi, k naga sravani, nl priyanka, alekhya jadda department of ece, bapatla womens engineering college, bapatla, andhra pradesh, india. The radiating element is a stacked rectangular dielectric resonator composed of rt duroid 5880 and a parasitic dielectric material made of mica with. Investigation of tshaped compact dielectric resonator.
This paper presents a design of stacked rectangular dielectric resonator antenna rdra with wide bandwidth, in the range of. The antenna consists of dielectric constant of 10 and. High gain multiband stacked dra for wimax and wlan applications. A dielectric resonator antenna dra is a radio antenna mostly used at microwave frequencies and higher, that consists of a block of ceramic material of various shapes, the dielectric resonator, mounted on a metal surface, a ground plane. A stacked microstrip antenna has two or more patches on different dielectric substrates that are stacked on each other. Dielectric resonator antenna and array concepts based on. Stacked conical ring dielectric resonator antenna excited. Stacked equilateral triangular dielectric resonator antenna. A hollow stacked rectangular dielectric resonator antenna. For this design, two thin ceramic sheets with high permittivity are introduced to operate as approximate magnetic walls. The stacked structure provides a wideband bandwidth, and the cavity. The antenna parameters like radiation patterns and return loss are measured and presented. With the help of inserted air gaps to reduce the radiation q factor, the stacked structure with two thin high permittivity sheets and two hollow low permittivity slabs can provide four adjacent resonant modes to form a wide bandwidth.
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