One major difference between the c band and the l band antenna arrays is the 8% relative bandwidth required at l band compared to only 2% at c band. Design of dualfeed dualpolarized microstrip antenna with high isolation and low cross polarization by k. Pdf design of dualband and dualpolarized microstrip antenna. Improving port isolation in dualpolarized microstrip patch antenna. A wireless device having vertically and horizontally polarized antenna arrays can operate at multiple frequencies concurrently. Design of dualband and dualpolarized microstrip antenna. This paper proposes 8element patch array antenna with defected ground. 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. Nikmehr2 1department of energy, kermanshah university of technology, kermanshah, iran 2faculty of electrical and computer engineering, university of tabriz, tabriz, iran abstractthis paper presents a new dual band, dual polarized 1. Dual linearly polarized microstrip array antenna intechopen. In this work, a novel broadband circularly polarized spidron fractal slot antenna has been considered. Slits are etched on the shared parasitic patches to adjust the coupling frequency between two elements of the two bands. Sharedaperture dualband dualpolarization array using. A dual band inset fed rectangular patch antenna array has been proposed for intelligent transportation system its application.
The location of the slots with respect to the patch is defined by the dimensions w and l figure 1a shows the geometric layout of a proposed singlefeed circularly polarized slotted rectangular. Abstractan lc dualband dualpolarized dbdp shared aperture microstrip array is proposed in the paper. Chu school of electronic and information engineering south china university of technology. A dual band dualpolarized stacked microstrip antenna with highisolation and band notch characteristics is proposed.
For verification, a dualpolarized patch antenna is implemented and its fabrication prototype is shown in figure 7. A dualfeed technique is introduced to achieve high isolation between. Dualpolarized aperturecoupled wideband microstrip patch. Microstrip antenna an overview sciencedirect topics.
To obtain high isolation between two input ports, a pair of orthogonal differentially driven feeding lines are printed on the top side of the bottom layer. Four pairs of crossed slots are etched outone from each quadrant of the surface and a smaller pair from the center of the patch. A novel design of dualband dualpolarised microstrip antenna arrays for synthetic aperture radar applications with a frequency ratio of about 1. In this paper, two designs of dualband dualsense circularly polarized slot antenna are proposed based on a construction of concentric deformed annular slots with a stepped microstrip. The antenna is based upon an aperture stacked patch layout and incorporates a simple and novel duallayered feeding technique to achieve dual polarized. In this contribution a dual band, dual polarized microstrip antenna element for array applications is presented. The patch antenna is designed to operate simultaneously at around 30 and. Traditionally, dualband duallinear or circular polarized antennas tend to. A dual band circularly polarized stacked annularring patch antenna is presented in this letter.
This design consists of cband and lband patches operating at 1. In 8, a dualpolarized xband array antenna was proposed but its bandwidth was also narrow. A singlelayer, dualport, dualband, and dual circularly polarized cp microstrip array is designed for satellite communication in this paper. Dualband dualpolarized antenna array according to claim 1,2,3,4,5 or 6 wherein the operating frequencies f1 and f2 are chosen two fall within the gsm1800 17101880 mhz and umts frequency. A compact singleradiator microstrip patch antenna with highly integrated duplexing and filtering functions is proposed for dualband dualpolarized dbdp basestation applications, and the. A compact dualband dualpolarized microstrip antenna. The patch antenna is designed to operate simultaneously at around 30 and 20 ghz, the up. Gain double layer dual band microstrip antenna for gps applications, international conference on microelectronics, communication and renewable energy icmicr20. A dualband dualpolarized stacked microstrip antenna with highisolation and bandnotch characteristics is proposed. Design of dualband dualsense circularly polarized slot. Loui et al dualband dualpolarized nested vivaldi slot array 2169 fig. A shared aperture dualband dualpolarized microstrip array.
Shubair abstract a novel and compact dual band dual sense circularly polarized microstrip. Antenna microstrip patch antenna feeding techniques advantagesdisadvantages dual band microstrip antenna future work references 3. Wideband dual linearly polarized patch array antenna. Pier letters online design of dualfeed dualpolarized. This paper presents a new dualband, dualpolarized 1 x. In the array, the novel sandwiched stacked patch structure is proposed and employed to. First, a rectangular patch element is fed through microstrip lines at two. In 15 a dual and wide band aperture stacked patch antenna with doublesided notches has been. Dual band rectangular patch antenna array with defected. An experimental study of a dualpolarized lprobe patch antenna is presented.
Design of dualpolarized lprobe patch antenna arrays with. When designing dualfrequency, dual polarized microstrip antenna arrays, one has to confront many parameters of interest and the associated. The dual band antenna system of claim 1, further comprising a plurality of reflectors for reflecting a radiation pattern of the horizontally polarized antenna array or the vertically polarized. Department of electronics and communication engineering national institute of technology rourkela 769008 certificate this is to certify that the work in the thesis entitled dual band and dual polarized. A dualband dualpolarized microstrip antenna array with. A new dualband and dualpolarized antenna is investigated in this letter. A dualband dualpolarized nested vivaldi slot array with.
Dual band and dual polarized microstrip patch antenna. A compact circularly polarized multiband microstrip patch. A dualband dualpolarized microstrip array antenna for base. The advantages of using dualpolarized antennas are the frequency band reuse and. Design of dual band dual polarized microstrip patch antennas. The later addition of flush mounted antennas for cband interferometry 4 made simultaneous dual frequency operation possible, with cband operated in squint. Us6720935b2 single and dualband patchhelix antenna. This paper presents a compact dualband dualpolarized microstrip antenna array with wide bandwidth and low profile for multipleinput multipleoutput mimo synthetic aperture radarimagery. Dual polarized array antenna for sx band active phased.
This antenna operates at both the gps l1 frequency of 1575 mhz and l2 frequency of 1227 mhz, whose. One major difference between the cband and the lband antenna. The patch antenna is designed to operate simultaneously at around 30 and 20 ghz, the up and downlink frequencies of modern ka band satellite communication systems. Circularly polarized s band dual frequency square patch. The patch and feed dimensions were maintained from the 1x2 dual linear polarized designs when designing 1x4 arrays antenna. As is wellknown, the present sar antennas employ dirferent arrays for each band.
A dual band dual polarized microstrip array antenna for base stations by k. Design of dual band dual polarized microstrip patch antennas core. It employs three dualpolarized subarrays operating at l, c and xbands, respectively, as shown in fig. The proposed antenna is comprised of three layers of substrate. Dual band circularly polarized modified rectangular patch. Many dualpolarized micrstrip arrays have also been. A dualband dualpolarized microstrip array antenna for base stations by k. Sketch of a taperoptimized antipodal vivaldi antenna that operates from 1.
The design of a dualband dualpolarized dbdpmicrostrip array with wideband, high isolation and low cross polarization working at 12. Compact design of dualband circular polarized microstrip antenna with single feed sandip ghosal, raed m. Sharedaperture multiband dualpolarized sar microstrip. Design and implementation of dual band aperture coupled. In this paper, we present a lowprofile design for dual band microstrip patch antenna array that works at millimeter wave band with resonance frequencies of 28 ghz, 24. A cpwfed dual band dual polarized antenna for shortrange communication applications is designed. Dualband and dualpolarized siwfed microstrip patch. The square microstrip patch has a side length and is printed on a substrate of thickness and relative permittivity. Investigation of broadband characteristics of circularly. Pier online a dualband dualpolarized microstrip array. Single and dual frequency band spatial null steering antenna arrays are disclosed, comprised of primary resonant quadrifilar helix antennas and auxiliary resonant patch antennas, which comprise stacked. Improving port isolation in dualpolarized microstrip patch antenna arrays.
A dualband dualpolarized stacked microstrip antenna with. Development of lightweight dual frequencypolarized. High isolation dualpolarized patch antenna with hybrid. Design of miniaturized dualband microstrip antenna for. The dual polarized patch antenna has been a popular research topic during recent years. A horizontally polarized antenna array allows for the efficient. The multiband dualpolarized array receives more target information than that of a singleband one. Dual polarization stacked microstrip patch antenna array. Wo2002084790a1 dualband dualpolarized antenna array. Dualband and dualpolarized siwfed microstrip patch antenna abstract. A compact dualband dualpolarized microstrip antenna array for. Design of circular polarized microstrip patch antenna for l band international journal of electronics.
References 1 pramod benjwal, a k gautam square microstrip antenna for elliptical polarization operation international journal of. This paper presents a new dual band, dual polarized 1 x 4 antenna array design for telecommunication base station. Development of lightweight dual frequencypolarized microstrip antenna arrays on organic substrates dane thompson1, nickolas kingsley1, gerald dejean1, vasilis iliopoulos1, ronglin li1, george e. Design of single feed dual band dual polarized microstrip. Sharma, dual band circularly polarized modified rectangular patch antenna polarization in both bands.