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