Dualpolarized resonant cavity antenna using slotted. Pdf design and simulation of a single feed multiband dual. Dual feed excites two orthogonal field components with equal amplitudes but a 900 phase difference. Dualpolarized antenna is gaining ever increasing interest recently, owing to its abilities to mitigate the multipath fading problem and increase channel capacity. This paper presents the theory and design of a dualband dualpolarized high gain resonant cavity antenna rca. Dual linearly polarized microstrip array antenna intechopen. A dualpolarized microstrip patch antenna fed by quasicrossshaped slot with the ports isolation higher than 35 db has been discussed in 18. Antenna configuration and design procedure the geometry of circulary polarized antenna is shown in figure 1. A wideband highgain dualpolarized slot array patch.
Compact dualpolarized microstrip antenna structure and results figure 1 shows the geometry of the compact dualpolarized square patch microstrip antenna. The other one is a singlepoint feed for which an external power divider is not required. A single input and a dual input antenna was then fabricated. Student, department of electronics and communication engineering, warangal institute of technology and science, warangal, india. Feb 17, 2016 designing a dual band micro strip patch antenna operating at 1. Kawser abstract microstrip antennas are low in profile and light in weight and they are now developed for many applications. To avoid these errors swedish transport administration, upwis ab and. This thesis focuses on the aperture coupled patch antenna due to the lack of fabrication and tuning documentation for the design.
Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. The design parameters of the antenna are optimized using commercial softwares microwave office and zeland ie3d to get the suitable parameters and radiation patterns. The proposed design consists of two pairs of small parallel slots on the. The 2x2 patch array antenna is simulated using ansoft hfss. The simulation results, which are obtained by using hfss and feko, show that the proposed. The proposed antenna was designed and tested to verify circularly polarizing operation. Nikmehr, a dualband dualpolarized microstrip array antenna for base stations, progress in electromagnetics. The parameters evaluated were gain, beamwidth and return loss. The antenna in 17 operates in two separate frequency. In 4, an antenna consists of a circular patch and a narrow annular ring is designed.
Nikmehr, a dual band dual polarized microstrip array antenna for base stations, progress in electromagnetics. The proposed antenna has been designed and analyzed by using. Compact wideband dualpolarized microstrip patch antenna. Dec 04, 20 hfss example dual feeder circular polarized antenna abdo salah.
Highisolation dualpolarized microstrip antenna via. Dualband stacked circularly polarized microstrip antenna. Design system 2008 and full wave ansoft hfss 12 simulators. A compact dual polarized reconfigurable patch antenna is proposed. Miniaturization of microstrip patch antennas for gps. Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. Investigation of a novel dual band microstripwaveguide.
Dualband circularlypolarized square microstrip antenna article in ieee transactions on antennas and propagation 493. Dgw with defected square patch is first proposed to excite a single. Hfss design of circular patch antenna using coaxial feeding. A lowcost lprobe fed dualpolarized slot antenna for cband phasedarray applications lizhong song1, and yuming nie2 abstracta dualpolarized lprobe fed microstrip patch antenna with high isolation and low crosspolarization levels is proposed. The proposed antenna has been designed and analyzed by using commercially available software high frequency structure simulator hfss based on the. Dualpolarized patch antenna simulation is performed using hfss high. A dual input patch antenna with over 30% bandwidth in the xband was simulated using ansofts high frequency structural simulator hfss in conjunction with particle swarm optimization. Singlefeed dualpolarized high gain microstrip antenna. Second, suspended rectangular patch antenna and also circular patch antenna with segments removed for dual linear polarizationfrequency is demonstrated at kukbands. A dualband cp antenna using single layer patch has been reported in 4, 5.
Antenna makes it suitable to be used rapidly in the field of communication dual band and dual circularly polarized single layer microstrip patch antenna thattari chaithanya1, billa ramprasad2, m. The simulations were performed using both ansoft high frequency structure simulator hfss 2 and the fdtd software based on 3. A lowcost lprobe fed dualpolarized slot antenna for cband. Abstracta dualpolarized lprobe fed microstrip patch antenna with high isolation and low crosspolarization levels is proposed. The proposed x shape patch antenna with five rectangular slots produces dual band operation for ku band applications and one for k. Dualpolarized resonant cavity antenna using slottedcircular. Dualband stacked circularly polarized microstrip antenna for. The fabrication of the proposed antenna is performed with slots and a duroid 5870 dielectric substrate and is excited by a 50. A wideband highgain dualpolarized slot array patch antenna.
A lowcost lprobe fed dualpolarized slot antenna for c. Example antenna postprocessing analysis of a dual polarized probe fed patch antenna this example is intended to show you how antenna postprocessing works in hfss. A circularly polarized smallsize microstrip antenna using. Dual band x shape microstrip patch antenna for satellite. A novel compact dual polarized antenna is proposed. In order to design a circular microstrip antenna for multiband applications suitable dielectric substrate of relative permittivity r4. Patch antenna is basically directional antenna so it can be used in wifi for having. References 1 pramod benjwal, a k gautam square microstrip antenna for elliptical. If an antenna is linearly polarized and has a gain of 18 db, then it will have a gain of 15 db for rhcp and the same for lhcp. Its the final year presentation at 75% of its full flow. The patch and feed dimensions were maintained from the 1x2 dual linear polarized designs when designing 1x4 arrays antenna. Dualband operation of a microstrip patch antenna on a duroid. A novel microstrip fractal antenna with dual polarization. A linearlypolarized aperture coupled patch antenna design is characterized and optimized using hfss antenna simulation software.
The objective of this thesis is to design a single fed circularly polarized microstrip antenna that operates at 2. The circular polarization radiation with compact size is achieved by symmetric square slot cut along the orthogonal direction of the patch radiator. The antenna will design and simulate by using hfss simulation software. Dual band dual polarized microstrip patch anetenna. Circularly polarized cp dual frequency crossshaped slotted patch antenna on 1. The antenna consists of a rectangular patch etched on a 60 mil thick fr4. Here we propose a technique to overcome these drawbacks by making. A design of 45degree dualpolarization broadband plane station. Any linearly polarized antenna will pick up either circular polarization 3 db down.
The proposed antenna not only consists of a fullplanar structure, but also is easy to be fabricated for its. Dual frequency as well as dual polarization obtained in the same antenna with single feed. Hfss has the antenna design kit if you need a quick jumpstart. Moreover, it could also be employed as dualpolarized multipleinputmultipleoutput mimo antennas, instead of two spatially separated antennas with single polarization. Four pairs of varactor diodes are symmetrically placed along the slot. Abstractin this letter, a dualpolarized patch antenna with low profile and wide. A wideband highisolated dualpolarized patch antenna using. The first type is a dualorthogonal feed, which employs an external power divider network. Very few designs with dual band dual polarized operations have been reported for application in mobile communication systems.
The defected square patch is called the perturbation element. The proposed x shape patch antenna with five rectangular slots produces dual band operation for ku band applications and one for k band applications. Circularly polarized s band dual frequency square patch. The fabricated antennas were composed of stacked microstrip. Dual band and dual circularly polarized single layer. Anyone can give comments or tell me some references or books about the definition of. By placing a forktype parasitic element with a ground plane and a rectangular stub connected to the. Dualpolarized aperturecoupled wideband microstrip patch. In 15 a dual and wide band aperture stacked patch antenna with doublesided notches has been presented. In addition, the proposed antenna has three 1mmthick.
Investigation of a novel dual band microstripwaveguide hybrid antenna element mohammad t. Hfss example dual feeder circular polarized antenna abdo salah. A circularly polarized smallsize microstrip antenna using a. A wideband dualpolarized stacked microstrip patch antenna. Design of printed rectangular monopole antenna using hfss. Design and simulation of a single feed multiband dual polarized. Rca with slotted circular patch frequency selective surface fss is used atop primary feed i. Two patch element array is used to design 12dbi and simulated in hfss 15. What is dualcircularly polarized microstrip antenna array. Does a dualpolarized antenna mean an antenna of an roughly equal copolarization and crosspolarization. I thought cp patch antennas either had a dual feed where either the horizontal or vertical polarization was leading by 90. This antenna achieves its cp operation by an equal cross slot embedded on the circular patch. Furthermore, the proposed antenna is stacked using an upper circular patch thus achieving a dualband circularly polarized pattern.
A new design for a dual polarized aperture coupled patch antenna is presented. The isolations of these antennas are about than 34 db, and bandwidth achieves 20 %. This thesis presents a new design for a circularly polarized antenna based on a circular microstrip patch. The dualband operation of a microstrip patch antenna on a duroid 5870 substrate for ku and kbands is presented. Design of stacked microstrip dualband circular polarized. Aperture coupled microstrip antenna design and analysis a linearlypolarized aperture coupled patch antenna design is characterized and optimized using hfss antenna simulation software. As the author said, the patch antenna is orthogonally fed by two cpws, the antenna can work at 2.
The isolation between the two ports is above 28 db in the bandwidth, and the gain is 6. Design of circular polarized dual band patch antenna thomas edling at the moment swedish transport administration uses a monitor system that can detect urgent errors as warm ballbearings and flat wheels etc. The first type is a dual orthogonal feed, which employs an external power divider network. Dual polarized mimo patch antenna for wifi application ijircce. Linearly polarized dual frequency hexagonal microstrip patch antenna is shown in.
A new broadband planar dualpolarization base station antenna is. A dual input patch antenna with over 30% bandwidth in the xband was simulated using ansofts high frequency structural simulator hfss in conjunction with. A microstrip feed line has connected to the patch from the edge of the substrate. Miniaturization of microstrip patch antennas for gps applications. Pdf a new wideband dualpolarized patch antenna consisting of a.
A lowcost differentially driven dualpolarized patch antenna by. The enhanced bandwidth is achieved by using a stacked patch configuration and dumbbell shaped slots. Design of circular polarized dual band patch antenna. Dec 05, 20 the dualband operation of a microstrip patch antenna on a duroid 5870 substrate for ku and kbands is presented. Furthermore, the proposed antenna is stacked using an upper circular patch thus achieving a dual band circularly polarized pattern. The proposed antenna in 4 is a circularly polarized stacked patch antenna with aperture coupling feed. Stuchly department of electrical and computer engineering university of victoria, victoria, b. The dual polarized antenna yields a bandwidth of 20. In this paper, a novel microstrip fractal patch antenna with dual polarization, which operates in a frequency band of 24 ghz sband is proposed. Dualband operation of a microstrip patch antenna on a. The antenna will design and simulate by using hfss. Antenna projects using hfss electronics electrical projects. Single feeding is used because it is simple, easy to manufacture, low in cost and compact in structure.
Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Designing a dual band micro strip patch antenna operating at 1. In one hand, its lower operating frequency demonstrates high gain and on the other hand, the upper operating frequency shows circular polarization. Hfss and feko, show that the proposed antennas meet the requirement of the circular polarization. Various patch antenna structures have been reported for dualband operation with circular polarization 411 and specially for gps applications 4,5,811. Recently i read a dual polarized antenna and have some questions to ask, the structure of the antenna is as follows. Hfss example dual feeder circular polarized antenna youtube.
In this work, a novel singlefeed stacked microstrip antenna is proposed for high gain and dual polarization application. Dual linear polarization patch antenna array with high isolation and. This workshop includes an optional section, understanding far field quantities. It will generate a short model of an sma feed that you can later copy and paste into your design. Consequently, the proposed antenna can be made small size and compact compared with a linearly polarized patch antenna with a single slot. Pdf a wideband dualpolarized patch antenna with electric probe. Isolation enhancement of 3ghz probe fed rectangle microstrip. Design and simulation of a single feed multiband dual. Compact dual circularlypolarized microstrip antennas. The design of antenna in 5 consists of a small circular patch surrounded by two. Introduction to circularly polarized antennas on hfss. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. In this article electrically small, dual band, triple frequency x shaped patch antenna on a substrate of ceramicptfe composites is presented.
Dualband circularlypolarized square microstrip antenna. The array, together with the feeding network is analyzed with hfss software. Hfss and feko, show that the proposed antennas meet the. A lowcost, easytofabricate, wideband and highgain dual polarized array antenna employing an innovative microstrip slot patch antenna element is designed and fabricated. This paper describes the design of a wideband dual linear polarization patch.
Kawser abstract microstrip antennas are low in profile and light in weight and they are now. The main difficulty of the microstrip antenna is its narrow bandwidth. Microstrip square patch antenna using cst by shamsur rahman akash. This thesis focuses on the aperture coupled patch antenna due to the lack of fabrication and tuning documentation for the design of this antenna and its usefulness in arrays. The experimental models are madeof fr4 epoxy substrate. Linearly polarized dual frequency hexagonal patch microstrip antenna the above parameters are analyzed and used in design of hexagonal patch antenna. Compact wideband dualpolarized microstrip patch antenna k. Design and simulation of a single feed multiband dual polarized microstrip patch antenna. We use the high frequency electromagnetic simulation software ansoft hfss v12 to.
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