Broadband hybrid antenna with directional radiation. Epsilon negative zerothorder resonator antenna jaehyun park, youngho ryu, jaegon lee, and jeonghae lee. Microstrip patch antenna including planar metamaterial and method of. However, a single patch antenna has a narrow impedance bandwidth. For comparison purpose the designed tm 010 mode antenna is fabricated as shown in fig. In this method, parasitic patch element of same dimension as that of patch is used.
Series resonance definition of series resonance by the. The hexagonal shape of a top patch on a mushroom structure makes not only directcurrent paths between the two ends of the patch but also roundcurrent paths along the outside of the patch, thereby widening the resonance frequency of the. Design of a broadband hexagonalshaped zerothorder resonance. By dividing the incident power to two modes, the plane beamwidth of a mode can simply be controlled. Due to the advantage of the zero order resonance characteristic, which makes the resonance frequency of siws relatively irrelevant with respect to the device size, a composite rightlefthanded crlh structure is traditionally used to minimize the size of siw passive devices 24,25,26,27,28. Using composite rightlefthanded crlh transmission line tl based metamaterials to show the unique property of zeroth order resonance zor 9,10 is one such method to reduce the overall size of an antenna. Hybrid zerothorder resonance patch antenna with improved. Single negative, double negative, and zeroindex metamaterial systems are discussed as a means to manipulate their size, e. Modeling of an electromagnetic bandgap antenna olule. The vertical current on the metal walls is induced by efield from the horizontal current on the radiating patch of the microstrip antenna. Dec 21, 2018 one of the widely used methods to improve bandwidth of a cp antenna is the stacked patch concept. Npv tl can thus form, if short enough, an electrically small zeroth order resonator zor antenna, in case that sufficient radiation is enabled.
Feng, broadband and lowprofile microstrip antenna using stripslot hybrid. The complementary spiral ring resonators csrs which exhibit single negative resonant permittivity around 3. The beamwidth of the antenna is broadened by both the horizontal and vertical currents. In this condition, the resonance has been changed less than 70 mhz. In this paper, a hybrid zerothorder resonance zor patch antenna with a broad e plane beamwidth is presented. 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. In, a hybrid zerothorder resonance zor patch antenna also combined a tm010. Compact zerothorder resonator zor antennas epj applied. The width of this hybrid resonance, however, varies greatly with detuning. Since the zerothorder resonance frequency is independent of a physical length. Hybrid zerothorder resonance patch antenna with broad eplane beamwidth. Index termshalf power beamwidth hpbw, hybrid, meta material, mode, zerothorder resonance zor mode.
Analysis of bandwidths for various types of metamaterial. To generate the mode and the zor mode, simultaneously, the mushroom. Figure 11 from hybrid mode wideband patch antenna loaded. Hybrid zeroth order resonance patch antenna with improved half power beamwidth doi. A zerothorder resonance patch antenna for dual band. Apr 16, 2015 based on a crlh transmissionline unit cell, an antenna was designed and fabricated, and found to provide a 10db impedance bandwidth of 5. Wideband folded mushroom zerothorder resonance antenna. To obtain the broad eplane beamwidth of a patch antenna, a tm 010. Figure from hybrid mode wideband patch antenna loaded with. Hybrid zerothorder resonance patch antenna with improved half power beamwidth doi.
Broadening the beamwidth of microstrip antenna by the. Aug 01, 2011 the resonance of the patch antenna is 0. At first resonance only narrow band performance was observed. Hybrid zerothorder resonance patch antenna with improved half power beamwidth free download as pdf file. A microstrip antenna utilizing zeroth order resonance of epsilon negative transmission line was presented in 8 and the profile of antenna is only 3. Hybrid mode wideband patch antenna loaded with a planar metamaterial unit cell j ha, k kwon, y lee, j choi ieee transactions on antennas and propagation 60 2, 11431147, 2011. A novel compact wideband patch antenna is presented.
Osa ultrasmall singlenegative electric metamaterials. In this paper, a hybrid zeroth order resonance zor patch antenna with a broad plane beamwidth is presented. Iosr journal of electronics and communication engineering iosrjece vol. Ieee transactions on antennas and propagation tom 61, numer. Us8928544b2 wideband circularly polarized hybrid dielectric. The measuredreturn loss at zerothorderresonance frequencyis observedto be 1 4db, as shown in fig. Series resonance definition of series resonance by the free.
To generate the tm 010 mode and the zor mode simultaneously, a mushroom antenna and a rectangular patch antenna with an etched. Feng, a novel coplanar waveguide feed zerothorder resonant antenna with resonant ring, ieee antenna and wireless propagation letters, vol. Measured results fairly agree with the simulated data. A wideband differentialfed microstrip patch antenna based on. This enables the resonant frequency to be independent of the antenna dimension 810. In this paper, a compact staircase multifinger capacitive structure is proposed which is then loaded on to a patch antenna, to design a zor antenna for millimeter wave applications. Dualband dualmode patch antenna based on resonanttype metamaterial tranmission line. Composite rightlefthanded transmission line metamaterials.
A staircase structure loaded zor antenna for millimeter. Tlshaped zerothorder resonators loaded microstrip antenna. The return loss for patch antenna with metamaterial substrate is shown in figure 3d, and this antenna has more than 270mhz bandwidth for 2. Us31,304 20110221 20110221 wideband circularly polarized hybrid dielectric resonator antenna active 20320615 us8928544b2 en priority applications 1 application number.
In this study, a method to broaden the beamwidth of an aperture couple feed microstrip antenna is investigated. Hybrid zerothorder resonance patch antenna with improved half power beamwidth. Theoretical investigation of rectangular patch antenna. To generate the mode and the zor mode, simultaneously, the mushroom antenna is inserted in a. Osa ultrasmall singlenegative electric metamaterials for. The simulated and measured results show that the antenna has the active reflection coefficient less than 9. Then the proposed staircase structure is inserted on the patch antenna by creating a slot. Hybrid mode wideband patch antenna loaded with a planar metamaterial unit cell. Pdf hybrid zerothorder resonance patch antenna with improved. Feng, a novel coplanar waveguide feed zeroth order resonant antenna with resonant ring, ieee antenna and wireless propagation letters, vol.
It provided an idea of mimicking gels for testing in equivalent model. An edge feed rectangular patch antenna is designed for 30 ghz as shown in fig. Patch antenna for triband gps applications, ieee transactions on antennas and propagation, ap55, 1,january 2007, pp. Due to the advantage of the zeroorder resonance characteristic, which makes the resonance frequency of siws relatively irrelevant with respect to the device size, a composite rightlefthanded crlh structure is traditionally used to minimize the size of siw passive devices 24,25,26,27,28. Novel zerothorder resonance in composite rightlefthanded. This is, like the case of a conventional patch antenna, associated with an extended length of the patch due to the fringing effect 1. Radiation efficiency improvement of zerothorder resonator. A bent crossdipole feed with pin diodes and varactor diodes inserted into its four arms at different. A novel wide beamwidth aperture couple feed microstrip antenna wbma is designed according to the proposed method. Pdf a zerothorder resonance patch antenna for dual band. A 75% reduction in the footprint area of the structure can be achieved compared to a conventional patch antenna by using meanderline inductor. Ieee transactions on antennas and propagation tom 61.
Also by checking for infinite ground the antenna shows similar resonances. A broadband hexagonalshaped metamaterials mtmsbased zeroth order resonant zor antenna was designed and fabricated. Hybrid zerothorder resonance patch antenna with broad. Smallsize uniplanar wwan tablet computer antenna using a parallelresonant strip for bandwidth enhancement wong k. Ieee transactions on antennas and propagation 60 2, 11431147, 2011. Mode m 0 represents zeroth order resonator with infinite guided wavelength. An implantable zerothorder resonance zor antenna is proposed. Antenna miniaturization is a critical issue in todays wireless and communication systems. In order to obtain the broad beamwidth of an antenna, a mode and a zor mode are combined. A microstrip antenna utilizing zerothorder resonance of epsilon negative transmission line was presented in 8 and the profile of antenna is only 3.
The return loss for patch antenna with dumbbell srr rings is shown in figure 3c, and the antenna has 60 mhz bandwidth. Feb 01, 2014 the return loss for patch antenna with metamaterial substrate is shown in figure 3d, and this antenna has more than 270mhz bandwidth for 2. Hybrid cavityantenna systems for quantum optics outside. At a given location, when a system forms a parallel resonance, it exhibits high network impedance, whereas for a series resonance, it presents a low network impedance path 17. Design of implantable gps antenna was presented by y. Abstracthybrid cavityantenna systems have been proposed to combine the subwavelength light confinement of plasmonic antennas with microcavity quality factors q. By dividing the incident power to two modes, the eplane beamwidth of a tm 010 mode can simply be controlled. In this paper, it is suggested that the eng mtl as well as the dng mtl supports the zerothorder resonance mode. In this paper, a hybrid metamaterial patch antenna having a broad. Introduction in transreceivers, planar antennas play a very important role. Compact zerothorder resonance antenna for implantable biomedical service applications. In this paper, a hybrid zerothorder resonance zor patch antenna with a broad plane beamwidth is presented. The antenna consists of two simple patch pairs with opposite phase feed.
An octave bandwidth metamaterialsbased hexagonal patch antenna depending on the parallel or series operation, it may form parallel or series resonance. Mode m 0 represents zerothorder resonator with infinite guided wavelength. In this paper, a hybrid zerothorder resonance zor patch antenna with a broad eplane beamwidth is presented. Figure 3e shows the return loss of interdigital bent model with two resonance frequencies at 2. Using composite rightlefthanded crlh transmission line tl based metamaterials to show the unique property of zerothorder resonance zor 9,10 is one such method to reduce the overall size of an antenna. A novel magnetoelectric dipole antenna with wide hplane beamwidth, triplelinear polarisation and frequency reconfiguration is proposed for 5g communications. Half power beam width hpbw, hybrid, zerothorder resonance zor mode, metamaterials. A zerothorder resonance patch antenna for dual band operations with broad. The eng mtl with series inductance and shunt inductance provides the epsilon negative. Resonant antenna article about resonant antenna by the free. Flroad eplane beamwidth zerothorder resonance patch. Resonant antenna article about resonant antenna by the. Based on a crlh transmissionline unit cell, an antenna was designed and fabricated, and found to provide a 10db impedance bandwidth of 5.
Ieee antennas and wireless propagation letters popular. Miniaturization of antenna for wireless application with. Compact circularly polarized microstrip antenna with bent slots. Femius koenderink,1,2 and ewold verhagen1, 1fom institute amolf, science park 104, 1098 xg amsterdam, the netherlands 2institute of physics, university of amsterdam, p. Compact circularly polarized patch antenna using a. Here, we examine what confinement and q can be reached in these hybrid systems, and we address their merits for various applications in classical and quantum optics. One of the widely used methods to improve bandwidth of a cp antenna is the stacked patch concept. Hybrid zerothorder resonance patch antenna with broad e. A tm 010 mode can be generated for this patch antenna by conventionally using patch of. Numerous studies have been presented to reduce the size of siw filters. The hexagonal shape of a top patch on a mushroom structure makes not only directcurrent paths between the two ends of the patch but also roundcurrent paths along the outside of the patch, thereby widening the resonance frequency of the mushroom mtm antenna. To further expand the impedance bandwidth, the width of patch is reduced to. Npv tl can thus form, if short enough, an electrically small zerothorder resonator zor antenna, in case that sufficient radiation is enabled.
Considering the coupling between two patches in the design, an antenna with a size about 54. Anomalous resonance frequency shifts in a hybrid cavitynanoantenna system freek ruesink,1 hugo m. Hybrid cavityantenna systems for quantum optics outside the. Metaloaded circular sector patch antenna a slot antenna and a dielectric resonator antenna dra were combined to effectively design a dual band dielectric resonant antenna for c and x band applications. In this study, the radiated dipoles are designed with the arcshaped planes to exhibit wide hplane performance. Frequency reconfigurable antenna with triple linear.
International journal of microwave and wireless technologies. Figure 4b shows this dependence of q h the hybrid q on detuning more explicitly. In order to calculate microstrip width, the equation is given as follows in 1. Zeroth order resonator antenna the efficient operation of a zor antenna is viable. A broadband hexagonalshaped metamaterials mtmsbased zerothorder resonant zor antenna was designed and fabricated. Design of a zeroth order resonator uhf rfid passive tag.
Wideband duallayer patch antenna fed by a modified lstrip scielo. A staircase structure loaded zor antenna for millimeter wave. Under unloaded conditions, the conventional patch antenna array resonates at ieee 802. From the band of millimeter wave, 30 ghz is selected as a resonating frequency of zeroth order mode as it is suitable for applications like threat detection and. Far reddetuned from antenna resonance, q h approaches the bare cavity. Novel zerothorder resonance in composite rightleft.
Figure from hybrid mode wideband patch antenna loaded. Abstracta printed broadband planar invertedf antenna pifa with zeroth order. At the simulated zeroth order resonant frequency, the electric. In order to obtain the broad beamwidth of an antenna, a tm 010. An compact omnidirectional antenna of circular polarization consists of four bended monopoles were studied in 9, and the profile is 9. Design of compact patch antenna based on zerothorder.
Hybrid zerothorder resonance patch antenna with broad plane. Each spectrum shows a broad peak at the bare antenna resonance and a narrow peak close to the bare cavity resonance. By using chip inductors, an epsilon negative zor was generated, while achieving an extremely compact antenna size. Us8928544b2 us31,304 us2014a us8928544b2 us 8928544 b2 us8928544 b2 us 8928544b2 us 2014 a us2014 a us 2014a us 8928544 b2 us8928544 b2 us 8928544b2 authority us united states prior art keywords dielectric resonator antenna resonator antenna substrate dielectric prior art date 20110221 legal status the. Volakis, dual band proximity fed stacked patch antenna for triband gps applications, ieee transactions on antennas and propagation, ap55, 1,january 2007, pp. Figure 11 from hybrid mode wideband patch antenna loaded with. In this paper, a hybrid metamaterial patch antenna having a broad eplane beamwidth is presented. Two metal walls are put at the bilateral sides of an original microstrip antenna in the eplane xozplane. In, a hybrid zerothorder resonance zor patch antenna also combined a tm 010.
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