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