Dual polarized microstrip patch antennas

Dual polarized patch antenna designs microstrip patch antennas. Because of the good performance obtained from the previously developed dual. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. A lowcost, easytofabricate, wideband and highgain dualpolarized array antenna employing an innovative microstrip slot patch antenna element is designed and fabricated. Stuchly department of electrical and computer engineering university of victoria, victoria, b. For dualband dualpolarized synthetic aperture radar sar applications a compact lowprofile design is. Microstrip patch antennas have become the favorite of antenna designers because of their versatility and having the advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. A high gain of 3 design microstrip patch antennas oriented at 45. Similar, compact, dual polarized antennas have been discussed in 4, wherein four, bended slots have been embedded within the square patch to achieve smaller size. A lowcost, easytofabricate, wideband and highgain dual polarized array antenna employing an innovative microstrip slot patch antenna element is designed and fabricated. A broadband dual polarized microstrip antenna is presented.

New designs of obtaining dual band circular polarization cp radiation of a singlefeed square microstrip antenna are proposed and experimentally studied. This thesis work started with a theoretical study which investigated four common antenna types dipole, loop, pifa and patch microstrip to evaluate which antenna type that is the best solution for this application. This thesis work started with a theoretical study which investigated four common antenna types dipole, loop, pifa and. A wideband highgain dualpolarized slot array patch. The design and analysis of the antennas are performed numerically using ie3d code 12. In order to design a circular microstrip antenna for multiband applications suitable dielectric substrate of relative permittivity r4. Dual band and dualpolar ized siwfed microstrip patch antenna abstract. Dualpolarized microstrip antennas have been demonstrated by a number of authors, e. A dual port, dual polarized microstrip patch antenna with high interport isolation along with self interference suppression at analog and digital stages, is required to realize simultaneous transmit and. Dual linearly polarized operations of a compact slotloaded square microstrip antenna are experimentally investigated in this paper. The above disadvantage can be avoided by using a microstrip patch antenna. Dual polarization stacked microstrip patch antenna array with. High isolation dualpolarized patch antenna with hybrid.

The detailed parameters of the antenna structure and packaging are listed in. Four pairs of crossed slots are etched outone from each quadrant of the surface and a smaller pair from the center of the. The proposed antenna consists of a circular radiating patch printed on the upper horizontal substrate, two pairs of shaped strips printed on two vertical substrates, and a hybrid ring feeding network printed on the lower two horizontal substrates. Design of wideband lprobefed dual polarized patch antennas.

Kaband antenna arrays with dualfrequency and dualpolarized. Dual polarized patch with capacitive slot coupling for 1. In 19 a novel cp antenna has been introduced, which is the combination of. For verification, a dual polarized patch antenna is implemented and its fabrication prototype is shown in figure 7. Dual polarized microstrip patch antenna, reduced in size by. In 1416, three dualband dualpolarized dbdp antennas were also presented, but the bandwidthsof these antennas are too narrow dualpolarized microstrip antenna, aperture coupled antenna. A dual polarized dual band microstrip antenna for wireless communications abstract. Circularly polarized antennas have been developed with single and dual feed. Today we have a number of land and satellite based systems for wireless communications using a wide range of frequency bands. Dual polarization microstrip patch array antenna ieee conference. Four symmetrical bent slots are embedded in the square patch. New designs of obtaining dualband circular polarization cp radiation of a singlefeed square microstrip antenna are proposed and experimentally studied. By placing a slot with 45 across diagonally at the center of the patch, excites resonant bands with narrow bandwidth and dual cp operation.

Compact microstrip antennas capable of dual polarized radiation are very suitable for applications in wireless communication systems that demand frequency reuse and polarization diversity. Abstracta new design for a wideband dualpolarized aperturecoupled patch antenna with dumbbell shaped coupling slots is presented. In 4, the authors proposed a dual feed circular polarization. For dual frequency operation, four slots are etched near edges of the patch and a. In this communication, a dualpolarized aperturecoupled microstrip patch antenna with a broadbandwidth highisolation low crosspolarization levels. Abstract this paper presents the characterization of two different dual. Us7327317b2 dualpolarized microstrip patch antenna. Additional benefits of patch antennas is that they are easily. A compact, dualpolarized patch antenna with improved tx. 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. A broadband dualpolarized microstrip antenna is presented. Compact wideband dualpolarized microstrip patch antenna.

Dual polarization stacked microstrip patch antenna array. Dualband circularlypolarized square microstrip antenna. Many prototypes of the proposed compact dual polarized in this paper, a design of compact single layer dual polarized and dual frequency rectangular patch antenna is presented. Design of dual band dual polarized microstrip patch antennas core. Design of circular polarized dual band patch antenna. Pier online a dualband dualpolarized microstrip array. The demand for antennas for mobile wireless applications has increased dramatically over the last 10 years.

The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg phase shifting over a wide bandwidth 50%. Desing of a circularly polarized patch antenna for satellite communications in lband department of signal theory and communications polytechnic. Substrateintegrated waveguide, isolation, dualpolarized microstrip antenna, aperture coupled antenna. A dualband dualpolarized microstrip array antenna for base stations by k. Dual linearly polarized microstrip array antenna intechopen. Compact wideband dualpolarized microstrip patch antenna k. The fields are linearly polarized, and in the horizontal direction when viewing the microstrip antenna as in figure 1a well see why in the next section. Pdf dual linearly polarized microstrip array antenna.

Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. For dual frequency operation, four slots are etched near edges of the patch and a crossed slot etched in the center for generating circular polarization. Design and analysis of a dualpolarized graphene based. A wideband circularly polarized patch antenna for 60 ghz wireless communications 99. Dual band circularly polarized modified rectangular patch. In 4, the authors proposed a dual feed circular polarization antenna for rfid application with size of mm. Dual polarized patch antenna designs microstrip patch. The patch antenna is designed to operate simultaneously at around 30 and 20 ghz, the up. A dual polarized dual band microstrip antenna for wireless.

The proposed microstrip antenna can achieve dualpolarization radiation by individually exciting the two ports. This paper presents a hybrid ring feeding dual polarized patch antenna with high isolation in a wide working band. This paper presents a new dualband, dualpolarized 1 x. Dual polarized patch antenna fed by meandering probes. Wideband dual linear polarized microstrip patch antenna. Dualpolarization star microstrip antennas brian montrose, darko popovic, branko popovic, zoya popovic. Lslots have been etched on the patch to reduce its. Similar, compact, dualpolarized antennas have been discussed in 4, wherein four, bended slots have been embedded within the square patch to achieve smaller size. Request pdf design of a dualpolarized microstrip patch antenna with excellent polarization purity in this paper, the design of a broadband dualpolarized. Dualband dualpolarized perforated microstrip antennas for sar applications abstract.

A broadband dualpolarized microstrip patch antenna with aperture. The design parameters of the antenna are optimized using commercial softwares microwave office and zeland ie3d to get the suitable parameters and radiation patterns. When port 1 is excited, the current mainly flows along the xaxis edges of the patch, as shown in. A dual eshaped patch ebg has been used to improve isolation for a dualfrequency dualpolarization microstrip patch antenna 6. Dual polarized microstrip patch antenna, reduced in size. Design, implementation and experimental comparison. Simulations and tests shows that the antenna is circular polarized and have a. Dualband dualpolarized perforated microstrip antennas. The antenna can make good use of the space on both sides of the ground plane, as the feed circuits for two orthogonal polarizations are placed on each side of the ground plane. It was decided to design a patch antenna from the theoretical study since it fulfils all the requirements for the antenna. A new dual band and dualpolar ized antenna is investigated in this letter. Dual polarized aperturecoupled microstrip antennas have also been proposed in 3 where an isolation of 18db is reported. Many dual polarized micrstrip arrays have also been reported 4. Microstrip antenna has narrow bandwidth characteristic.

This is to certify that the work in the thesis entitled dual band and dual polarized microstrip. Lowprofile and dualpolarized microstrip antennas abstract. Dualband and dualpolarized siwfed microstrip patch antenna. Reduced size, dualpolarized microstrip patch antenna for. The proposed singlefeed dual band cp designs are achieved by inserting four tshaped slits at the patch edges or four yshaped slits at the patch corners of a square microstrip. A broadband proximitycoupled dualpolarized microstrip. High isolation dualpolarized patch antenna with hybrid ring.

Microstrip patch antennas kai fong lee, kwai man luk. Desing of a circularly polarized patch antenna for satellite communications in lband department of signal theory and communications polytechnic university of cataluna. Geometry of a dually polarized shorted microstrip patch antenna coupled to. A wideband circularly polarized patch antenna for 60 ghz. Reduction of the spatially mutual coupling between dual. The antenna is composed of a single graphene patch fed by dual ports oriented orthogonally. Introduction nowadays, dualpolarized microstrip antennas have popular application in wireless. A few technique have been introduce to obtain dual polarized antenna such as aperturecoupled microstrip antenna, two port corporate feed network and two or. Compact wideband dual polarized microstrip patch antenna k.

For verification, a dualpolarized patch antenna is implemented and its fabrication prototype is shown in figure 7. Microstrip patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. Wideband dual linearly polarized patch array antenna. In this contribution a dual band, dual polarized microstrip antenna element for array applications is presented. In this work, a novel singlefeed stacked microstrip antenna is proposed for high gain and dual polarization application. A pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. Design of dual band dual polarized microstrip patch antennas. The simulated and measured parameters of the proposed antenna are shown in figure 8. So far, the design proposed herein has achieved up to 48% reduction in size with 38% decrease in operating frequency. The proposed design consists of two pairs of small parallel slots on the. The antennas are capable to generate dualpolarization radiation pattern centered at 45deg and 45deg. Design of a dualpolarized microstrip patch antenna with excellent.

This particular feed family was designed for reflectors with fd ratios of 0. Gridslotted radiating patch and cross yshaped feeding structure are applied to construct the dual polarized gridslotted broadband microstrip antenna. Singlefeed dualpolarized high gain microstrip antenna. A dual port, dual polarized microstrip patch antenna with high interport isolation along with self interference suppression at analog and digital stages, is required to realize simultaneous transmit and receive wireless operation at same frequency using single antenna. A microstrip fed graphene based dualpolarized patch antenna is proposed for the first time in thz regime. Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas.

Wideband dualpolarized patch antenna with broadband baluns abstract. Wideband dualpolarized patch antenna with broadband. This paper presents a new dual band, dual polarized 1 x 4 antenna array design for telecommunication base station. The impedance matching and radiation characteristics. Some results on broadband microstrip antenna with low cross polar and high gain, ieee trans. A novel triband asymmetric slot with defective ground structure dgs microstrip antenna for dual circular polarization cp is proposed. A wideband highgain dualpolarized slot array patch antenna. Dual polarized antennas have often brought exceptional performance to wireless communications systems, at the same time reducing occupied space in wireless base stations. 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. The proposed antenna is a simple structure of dimension 30. Triband dual circularly polarized planar antenna with. Design of wideband lprobefed dualpolarized patch antennas. Chu school of electronic and information engineering south china university of technology guangzhou 510640, china abstracta compact singlefeed dual band circularly polarized cp microstrip antenna is evaluated numerically and experimentally. 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.

As an example, the design and implementation of two dual. And doublelayer ebgs have been proposed to provide both broadband 14. Singlefeed microstrip patch antennas using various types of slots have been investigated to produce cp rectangular patch antennas 410. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. The work presents a new dualpolarized microstrip patch antenna fed by double slotcoupled feeds of 180spl deg phase shift and a coplanar. Design, implementation and experimental comparison between.

The printed antenna consists of two stacked patches and an. A new dualpolarized microstrip patch antenna fed by probe feed and aperture coupled feed is presented. Circularly polarized s band dual frequency square patch. A wideband dualpolarized stacked microstrip patch antenna. A microstrip feed line has connected to the patch from the edge of the substrate. Wide band feeds dual circular polarized custom 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. In this contribution a dualband, dualpolarized microstrip antenna element for array applications is presented. Design of dualpolarized microstrip patch antennas with excellent. Design of a dualpolarized microstrip patch antenna.

The antennas were operated at resonant frequency, around 2. This paper presents the design, implementation and interport isolation performance evaluation of three dual port, dual polarized 2. Dual linear polarization with low cross polarization and high isolation has previously been reported using a cross shaped microstrip patch antenna. The patch and feed dimensions were maintained from the 1x2 dual linear polarized designs when designing 1x4 arrays antenna. Download citation dual band and dual polarized microstrip patch antenna in todays modern communication industry, antennas are the. It uses the aperturecoupled feed for one polarization, while the microstrip line feed with slotted ground plane is used for the other polarization. A dualpolarized microstrip patch antenna using hybrid feed. The isolation of a dual linearly polarized microstrip patch antenna is about 15 db. Microstrip patch antennas have become the favorite of antenna designers because of their versatility and having the advantages of planar profile, ease of fabrication, compatibility with integrated circuit. Microstrip patch antennas support both linear as well as circular polarization and capable of dual and triple frequencies. This data summarizes the family of directly interchangeable full waveguide bandwidth dual circular polarized low axial ratio prime focus parabolic reflector feeds. Because of the good performance obtained from the previously developed dual polarization cband microstrip antenna array 9 it was decided, that the lband antenna should also be constructed as a probefed microstrip. Two longitudinal and transverse slots on the broad wall of the substrate integrated waveguide siw are responsible for creating two different frequency bands with distinct polarization.

A wide band dualpolarized microstrip patch antenna ieee xplore. Dual band and dual polarized microstrip patch antenna. Highisolation dualpolarized microstrip antenna via. While a variety of dual polarized antenna designs have been developed for this purpose, 112 there is always room for improvement. The antenna system, shown on figure 1, is composed of a dualpolarized.