Kaband antenna arrays with dualfrequency and dualpolarized. A stacked aperture coupled patch antenna operating at 10 ghz is applied as a feeder. Design of a dualpolarized stacked patch antenna for wide. Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. A flat dualpolarized transformationoptics beamscanning. Highisolation dualpolarized microstrip antenna via. In this contribution a dual band, dual polarized microstrip antenna element for array applications is presented. Dual band circularly polarized aperture coupled microstrip antenna 1619 fig.
A dualband circularly polarized aperturecoupled stacked. The design and development of a dual linearly polarized aperture coupled circular microstrip patch antenna at cband are presented. Most of common antenna elements are linearly polarized with narrow band resonators. Wideband dualpolarized patch antenna with broadband. Very few designs with dual band dual polarized operations have been reported for application in mobile communication systems. Dual circularlypolarized equilateral triangular patch.
We demonstrate that for a dualpolarized quadruple lprobe square patch antenna, the use of the proposed 180deg broadband balun pair, in place of a. For broad bandwidth and easy integration with active circuits, it uses the aperture coupled stacked patches. The cushaped slot is embedded on the square patch for dual band and dual sense circularly polarized radiation. Duffy, a dualband circularly polarized aperturecoupled stacked microstrip antenna for global positioning satellite, in ieee transactions on antennas and propagation, vol. Two separate substrateintegrated waveguides siws implemented in two printed circuit board pcb laminates are used to feed the antenna. Substrateintegrated waveguide, isolation, dualpolarized microstrip antenna, aperture coupled antenna. The mechanisms of the shorted dual polarized microstrip patch antenna provide wider bandwidth than full size microstrip patch antennas with high decoupling between two input ports. Figure 6a and b show the radiation pattern for eplane and. Use the pcbstack to define the metal and dielectric layers and the feed for the aperture coupled patch antenna. The design and analysis of the dual polarized aperture coupled antenna using antenna toolbox agrees well with the referred results.
The distance between the patch and the ground plane the. A novel slottedpatch antenna is proposed for dualband circularly polarized radiation using an aperture coupled feed. A stacked aperturecoupled patch antenna operating at 10 ghz is applied as a feeder. Bialkowski, me and song, hj 2002 investigation into a powercombining using a reflectarray of dual polarized aperture coupled microstrip patch antennas.
An exploded view of the dualpolarized microstrip antenna and a simplified equivalent circuit model for an aperture coupled microstrip antenna are shown in figure 1. Enhancement of the bandwidth, isolation, and low crosspolarization. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg phase shifting over a wide bandwidth 50%. In 15 a dual and wide band aperture stacked patch antenna with doublesided notches has been presented.
The antenna is capable of operating over a bandwidth of 26% with. The patch antenna is designed to operate simultaneously at around 30 and 20 ghz, the up and downlink frequencies of modern kaband satellite communication systems. Novel aperturecoupled microstripline feed for circularly. A multilayer organic package with 64 dualpolarized antennas. Dualpolarized hshaped printed slot antenna request pdf. Dualpolarized aperturecoupled patch antennas with application to. A dual polarized, kuaband patch antenna using hybrid ltcca. Wideband dualpolarized slotcoupled microstrip array for. The package is based on multilayer organic technology, so it can be fabricated by pcb manufacturers. Design of a dualpolarized stacked patch antenna for wideangle. High isolation dual polarized antenna system with microstripfed aperture coupled patches. The design and experimental results of a cband dual polarized aperturecoupled stacked patch microstrip antenna are presented. The aperture coupled microstrip antenna was developed by using cross slot aperture at the plane between feed line plane and ground plane. Us5945951a high isolation dual polarized antenna system.
Geometry of a dually polarized shorted microstrip patch antenna coupled to. A pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. The directivity of the proposed antenna varies from 7. In this case, the topmost layer is a dielectric layer. Our design has broadband and dualpolarized characteristics of traditional aperture coupled architecture. Microstrip layout of 2 2 2 element dual polarization lband antenna panel pcb size. Dual polarized microstrip patch antenna array for pcs base stations ep1006608a2 en 19981. As an example, the design and implementation of two dual.
The dual polarized antenna of claim 1 wherein said bays are comprised of copper. The proposed wideband duallinearly polarized aperturecoupled afsiw cavitybacked patch antenna is depicted in fig. Novel aperture coupled microstripline feed for circularly polarized patch antenna hau wah lai, ka ming mak, and ka fai chan abstracta wideband circularly polarized patch antenna is proposed. Compact wideband dual polarized microstrip patch antenna k. We demonstrate that for a dual polarized quadruple lprobe square patch antenna, the use of the proposed 180deg broadband balun pair, in place of a. The odph60180 antenna covers the c, x, and ku bands. The vertical transition realized as quasicoaxial line 22 connects the stripline to the respective microstrip line on the bottom side.
Design of dual band dual polarized microstrip patch antennas. A broadband dualpolarized microstrip patch antenna with. To avoid these errors swedish transport administration, upwis ab and. In this thesis, a wideband dual polarized microstrip antenna is designed. To produce the antenna, a symmetrical slot patch radiator is printed on a 1mmthick fr4 printed circuitboard pcb substrate with relative permittivity of 4. 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 antenna consists of a cushaped slottedpatch radiator with an aperture coupled feeding system. Antenna projects using hfss electronics electrical projects. The cushaped slot is embedded on the square patch for dualband and dualsense circularly polarized radiation. It was decided to design a patch antenna from the theoretical study since it fulfils all the requirements for the antenna. In this communication, a dual polarized aperture coupled microstrip patch antenna with a broadbandwidth highisolation low crosspolarization levels, and lowbackward radiation levels is designed and its features are presented. The top patch of the antenna is of a rectangular shape having a rectangular slot of dimensions exactly same as the dimensions of the bottom patch. Dual polarization stacked microstrip patch antenna array. The antenna consists of a cushaped slotted patch radiator with an aperture coupled feeding system.
The dual polarized antenna of claim 1 wherein the porttoport isolation achieved is approximately 30 db. Polarized antenna an overview sciencedirect topics. The assembled package consists of a 2layer lid substrate, a 2layer frame, and a 14layer base substrate. Among the innovations in the antenna design, qualcomm seems to integrate an aperture coupling patch, dual polarized. Kai chang due to the recent interest in broadband antennas a microstrip patch antenna was developed to meet the need for a cheap, low profile, broadband antenna.
This slot antenna can be embedded on pcb of a notebook pc or a tablet, or. A dual polarized aperture coupled patch structure with. The radiating elements are dual linearlypolarized lp equilateral triangular patches with hybrid feeds. Design of circular polarized dual band patch antenna. Simulations and tests shows that the antenna is circular polarized and have a. As the author said, the patch antenna is orthogonally fed by two cpws, the antenna can work at 2. Our design has broadband and dual polarized characteristics of traditional aperture coupled architecture. The wide impedance and axial ratio bandwidths are achieved by the proposed feeding mechanism, which entails the use of a circular. The standard rectangular microstrip patch is a narrowband antenna and provides 68 dbi gain with linear polarization. A novel slotted patch antenna is proposed for dual band circularly polarized radiation using an aperture coupled feed. Nikmehr, a dual band dual polarized microstrip array antenna for base stations, progress in electromagnetics. An aperturecoupled dualpolarized stacked patch antenna for. This example based on the work done in 1,2, models a broadband patch antenna using a slot in the radiator and develops a dualband and a triband variation from it. The design and experimental results of a cband dual polarized aperture coupled stacked patch microstrip antenna are presented.
Stuchly department of electrical and computer engineering university of victoria, victoria, b. The antenna uses a novel configuration of symmetric and. Us7327317b2 dualpolarized microstrip patch antenna. This antenna is often built of printed circuit board material and the substrate makes up the patch antennas dielectric. Aperture coupled microstrip antenna design and analysis a linearly polarized aperture coupled patch antenna design is characterized and optimized using hfss antenna simulation software. Wideband duallinear polarized microstrip patch antenna.
Pdf dual polarised aperturecoupled patch antenna using. In this contribution a dualband, dualpolarized microstrip antenna element for array applications is presented. A pair of novel 180deg broadband microstrip baluns are used to feed a dual polarized patch antenna. Design of striplinefed dualpolarization aperturecoupled stacked microstrip patch phased array antenna for wideband application. Dualpolarized 28ghz airfilled siw phased antenna array for. Dualpolarized 28ghz airfilled siw phased antenna array.
Compact wideband dualpolarized microstrip patch antenna. The dual polarized antenna of claim 1 further including parasitic flaps coupled to said printed circuit board. Mar 17, 2016 the dualpolarized patch antenna array of claim 11, wherein the cross aperture for each respective dualpolarized patch antenna element is formed to increase an isolation between a horizontal polarized signal and a vertical polarized signal in a principle plane below. The dualpolarized patch antenna array of claim 11, wherein the cross aperture for each respective dualpolarized patch antenna element is formed to increase an isolation between a horizontal polarized signal and a vertical polarized signal in a principle plane below. Recently i read a dual polarized antenna and have some questions to ask, the structure of the antenna is as follows. Figure 1 shows the geometry of the proposed dualpolarized antenna.
Input signal couples to the radiating patch trough the aperture that exists on the ground plane of microstrip feed line. A shared aperture dualband dualpolarized microstrip array. A dualpolarized aperturecoupled magnetoelectric me dipole antenna is proposed. Highisolation dualpolarized microstrip antenna via substrate. The ocean microwave dual polarized horn antenna series cover the frequency range from 6 to 18ghz and is designed for the measurement of antennas in the mw range. Wideband dual linear polarized microstrip patch antenna. A few technique have been introduce to obtain dual polarized antenna such as aperturecoupled microstrip antenna, two port corporate feed network and two or more probe feeds technique. The proposed antenna contains reflector, substrate, patch and director. This paper presents air gap aperture coupled microstrip antenna for dual band operation over the frequency range of 2. And the proposed antenna has smaller size than two single polarized antenna working at the same frequency. A wideband highgain dualpolarized slot array patch antenna. Dual band aperture coupled stacked microstrip patch antenna. The element is based on aperture coupled architecture with stacked patch, maintaining the symmetry needed for dual polarization operation.
To produce the antenna, a symmetrical slot patch radiator is printed on a 1mmthick fr4 printedcircuitboard pcb substrate with relative permittivity of 4. Miniaturized wideband aperture coupled microstrip patch. Orthogonally polarized antennas give rise to low correlation even if colocated when modeling polarization for mimo channels, two different origins of crosspolarization have to be considered. Moreover, an aperture coupled feed yields better gain and radiation pattern for a dualpolarized antenna aimed for wireless applications 712. Pdf dualpolarized aperturecoupled patch antennas with. Dual polarized aperture coupled microstrip patch antenna system wo1999017403a1 en 19970926. Dual linear polarized cband antenna model rpd448n this antenna is designed for use in the cband telemetry industry but can be used for other communications requirements within the operating band of the antenna. Ieee transactions on antennas and propagation 50, 841 849. The basics of patch antennas, updated orban microwave. By means of four shorting pins the bandwidth increases noticeably. A dual polarized antenna on a printed circuit board, the antenna comprises a plurality of orthogonally placed microstrip lines.
A few technique have been introduce to obtain dual polarized antenna such as aperture coupled microstrip antenna, two port corporate feed network and two or more probe feeds technique. Exploded view of the dualpolarized aperture coupled stacked patch antenna. The measured isolation between two polarization ports is better than 35 db and the measured crosspolarization level below. The patch antenna is designed in order to provide a wideband radiating system. Aperture coupled microstrip antenna design and analysis a linearlypolarized aperture coupled patch antenna design is characterized and optimized using hfss antenna simulation software. Wideband dualpolarized patch antenna with broadband baluns. The design and analysis of the antennas are performed numerically using ie3d code 12. The circle patch and the ground plane have diameters of 60 and 120 mm, respectively. In this paper, a dualpolarized patch antenna capacitively coupled through four feeds is proposed. A compact, dualpolarized patch antenna with improved tx. The measured results show that the proposed antenna can operate over a bandwidth of 20% with an antenna efficiency of 32%, a crosspolarization level of.
Introduction nowadays, dualpolarized microstrip antennas have popular application in wireless mobile and satellite communication systems, synthetic aperture radars and radio frequency identification systems due to their salient fea. The array antenna offers an impedance bandwidth vswr. This antenna differs from any other microstrip antenna with their feeding structure of the radiating patch element. High isolation dual polarized antenna system with microstrip. Polarization diversity is a means to reduce the size of mimoequipped terminals and base stations kcvw02. A wideband highgain dualpolarized slot array patch. A multilayer organic package with 64 dualpolarized. A compact dualpolarized double shaped patch antenna with. The first aperture coupled microstrip antenna was fabricated and tested by a graduate student, allen buck, on august 1, 1984, in the university of massachusetts antenna lab. Dual band aperture coupled stacked microstrip patch. Abstract this paper presents the characterization of two different dual.
Ultrawideband dualpolarized patch antenna with four. Nikmehr, a dualband dualpolarized microstrip array antenna for base stations, progress in electromagnetics. Dual linearly polarized microstrip array antenna intechopen. Kai chang recent days, antennas play an important role in wireless communication system. An aperture coupled dual polarized wideband microstrip antenna with high porttoport isolation in cband is presented in this paper. Wideband dual linearly polarized radiating element geometry of the dual linearly polarized elementlpl is shown in fig. This paper presents air gap aperture coupled microstrip antenna for dualband operation over the frequency range of 2. A dualwideband dualpolarized apertureshared patch antenna with high isolation is proposed, which consists of an sband circularly polarized cp antenna and an xband linearly polarized lp. A dualpolarized aperturecoupled patch structure with. This example based on the work done in 1,2, models a broadband patch antenna using a slot in the radiator and develops a dual band and a triband variation from it. The dual band antenna is fed through an aperture cut in the ground plane coupled to a 50. Dualpolarized aperturecoupled wideband microstrip patch. Geometry of the aperture coupled stacked patch microstrip gps antenna.
Configuration of a dual polarized shorted microstrip patch antenna coupled to hook shape probes a top view b side view l30 mm, w7. Model and analyze dual polarized patchmicrostrip antenna. A stacked afsiwbased antenna technology is exploited to overcome the drawbacks of microstrip antennas low ef. Very few designs with dualband dualpolarized operations have been reported for application in mobile communication systems. The vertical polarization of the patch antenna is obtained by using an aperturecoupled feed and the horizontal polarization is obtained by using a proximity feed. A dual wideband dual polarized aperture shared patch antenna with high isolation is proposed, which consists of an sband circularly polarized cp antenna and an xband linearly polarized lp. Compact wideband dualpolarized microstrip patch antenna k. Each feed line is placed in different layers for an array structure. Compared with other dualpolarized patch antennas reported, the bandwidth of the proposed antenna is significantly increased and an impedance bandwidth of over 110% is. Wideband dual linearly polarized patch array antenna. Design of striplinefed dual polarization aperture coupled stacked microstrip patch phased array antenna for wideband application.
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