Reconfigurable circular microstrip patch antenna with. Reconfigurable patch antennas there are three main kinds of reconfigurable patch antennas. A singlefeed starslotcoupled patch antenna with circular polarization ieee conference publicationcircularly polarized koch fractal triband antenna for wireless communication applicationseffect of different slots in a design of microstrip antennasbandwidth appysis by introducing slots in. Design and implementation of reconfigurable patch antennas for wireless communications by fei he a thesis presented to the faculty of. Pdf a novel singlefeed circular microstrip antenna with. Reconfigurable circularly polarized antenna for short. By placing a parasitic loop around the primary radiator, an additional cp band is achieved. Circularly polarized microstrip patch antenna for wireless. Second, a polarization reconfigurable single feed eshaped patch antenna with wideband performance is proposed. The conductor was fabricated on the three layers square substrate, whose width is g58mm, with a dielectric constant of 10, and substrate thickness of h11. This device is developed for shortrange communications or. The effective length of antenna current is controlled using the mems switch mounted in between two lshape strips forming the u structure with square shape wing patch. In this work, the synthesis of a hexagonal shaped frequency reconfigurable antenna based on the backpropagation network bpn is presented.
The antenna is able to switch polarization between lhcp and rhcp by dc biasing using two pin diodes at three different frequencies. The microstrip patch antenna is designed and optimized in such a way that interconnection between patches tuned antenna from higher to lower frequency. For the dualfeed cp antenna in 5, the arbw is larger than 2% at both bands. A new reconfigurable singlefeed circular microstrip antenna with polarization diversity is proposed. Reconfigurable antennas for high data rate multibeam. Simple reconfigurable circularly polarized antenna at three bands.
In 12, the authors presented a singlefeed dualband microstrip patch antenna with switchable orthogonal lps. Rectangular patch antenna for high gain and vertical. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50. Comparison of conventional singlefeed circularly polarized antennas. Reconfigurable wideband circularly polarized microstrip patch. A novel single feed design of a patch antenna with polarization reconfigurability is proposed in this paper. Fundamental structure of the antenna consists of a. Fast and accurate synthesis of frequency reconfigurable.
Numerical simulation is performed for the characteristics of the antenna with the software hfss. The cp annularring patch antenna with two proximitycoupled lprobe feeds 6 obtains a 3db arbw of larger than 30%. On the patch two opposite corners are slotted and connect by using two pin diodes. Initially, two dimensions of the antenna are selected as the input of bpn and the best solution is considered as the optimal parameters of antenna design. In this letter, we propose a circularly polarized cp square antenna that can change the frequency of the minimum axial ratio ar. The proposed antenna is designed in a very straightforward manner by applying four long stubs to a square patch. Polarization reconfigurable capability has been successfully added to a conventional eshaped patch antenna. Simulation of antenna has to be done by using cst microwave studio and hfss.
This paper addresses frequency reconfigurable ushaped patch antenna that can operate at kaband of 26. Heberling, reconfigurable axial ratio in compact gnss antennas, ieee transactions on antennas and. Most of those reconfigurable antennas can switch polarization senses between two cp states, or among one linear and two cp states. The singlefeed cp ring antennas using the coupled feeding method have been investigated in 4, but the 3db arbw is less than 2%.
The proposed antenna has stacked structure consists of a radiator with a ringslot and a cross slot, four pin diodes and a single feed line. Rectangular patch antenna for high gain and vertical polarization. A novel single feed frequency and polarization reconfigurable. Research article dualband reconfigurable antenna for.
The antenna satisfies the requirements of low profile antenna where there are limited choices like pifa in case of monopoles. The objective of work is to design and develop polarization reconfigurable micro strip patch antenna which radiate electromagnetic wave of various orthogonal patterns. 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 proposed antenna is comprised of a monopole loop antenna as a primary radiator. International journal of electronics and communication. Compact single feed dual band microstrip patch antenna with. The design of the antenna consists of a traditional square patch, ground plane with two square slots, and two varactor diodes. Design and analysis of polarization reconfigurable microstrip patch. E shaped patch radiator were utilized to achieve the cp reconfigurability 7.
Polarizationreconfigurable antennas have attracted a significant amount of interest due to their advantages, including the elimination of fading losses by multipath effects and frequency bandwidth reuse to increase the channel capacity 1. Axial ratiotuned circularly polarized square patch. A new quadri polarization reconfigurable circular patch antenna. Singlefeed polarization reconfigurable patch antenna. A singlefeed square microstrip patch antenna with polarization reconfigurability is presented in this paper. The current distribution of tm01 mode simulated by hfss software 21 is. Design of circular polarized dual band patch antenna.
A common method to obtain the cp characteristic using a square patch is to cut out 8. In this paper, we propose a novel reconfigurable microstrip antenna with frequency and polarization diversities. Miniaturized singlefeed crossaperture coupled circularly. Polarization reconfigurable microstrip antenna request pdf.
Sep 01, 20 most of those reconfigurable antennas can switch polarization senses between two cp states, or among one linear and two cp states. An effective design of a novel, compact, single feed, dual patch frequency reconfigurable microstrip patch antenna mpa for wireless communication systems is proposed and studied in this paper. A reconfigurable patch antenna consisting of a square patch with two crossshaped diagonal slots is presented. The impedance matching and radiation characteristics of design structure investigated by mom based ie3dtmsimulation package.
However, the antenna is linearly polarized with a relatively narrow impedance bandwidth of 1. Design and analysis of polarization reconfigurable microstrip. It consists of a single feed circularly polarized disc patch, already presented by the. Reconfigurable patch antennas with fourpolarization states. Inset microstrip feed is used to excite the antenna. Reconfigurable antennas can switch between different frequencies, different polarization. Microstrip patch antenna is mostly used in modern communication devices over conventional antennas mainly because of their size. The forth design is to design and develop polarization reconfigurable microstrip antenna with single feedline, feeding with microstrip line.
Antenna is simulated in high frequency structure simulator hfss version. Frequency and polarization reconfigurable antenna for. The antenna can switch between linear polarization lp, left hand circular polarization lhcp and right hand circular polarization rhcp. The patch antenna with adjustable air gap discussed in part 1 is an example of a frequency reconfigurable antenna, which was the first problem we worked on. A diagonal slot is inserted in the square patch and a pin diode is placed on the slot. A microstrip patch antenna was miniaturized using grounded strips and shorting pins 0. May 20, 2019 a simple design for a lowcost, tripleband reconfigurable circularly polarized antenna is discussed. Arpitasen, prafulla chandra prasad, neela chattoraj,design and development of a single feed reconfigurable dualfrequency microstrip. A quad polarization and frequency reconfigurable square.
A new design method for singlefeed circular polarization. Circularly polarized single feed microstrip patch antennas are widely employed in radar, gps and mobile communication systems. Design and analysis of a frequency reconfigurable microstrip. Frequency reconfigurable patch antenna for l band applications. This antenna mainly comprises of a corner truncated square patch with a rectangular ring slot, eight pin diodes and six conductive pads. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50 microstrip feed line.
The results show that the frequency channels of the antenna are2. A novel design of a frequency reconfigurable patch. Antenna is capable to radiate electromagnetic wave of various pattern like lp, lhcp, rhcp. Jun 02, 2016 single feed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. Other antennas with simple feeding methods were explored in 3,4,5,6,7,8. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Reconfigurable singlefeed antenna with switchable polarization. In this letter, a novel reconfigurable patch antenna with polarization agility is suggested. A progression of parametric study was done to get that how the features of the antenna depends on dimensions and material of geometry. To the best of our knowledge, only two studies on polarization diversity between lps in antennas operating in a dual band have been published.
Design and performance issues of microstrip antennas. Axial ratiotuned circularly polarized square patch antenna with. Singlefeed circular polarization microstrip antenna. Microstrip antenna with an arc parasitic unit is analyzed, and a circular polarization reconfigurable microstrip antenna is designed. In, the authors presented a singlefeed dualband microstrip patch antenna with switchable orthogonal lps. Three coaxial feed points are provided for three operational frequencies.
Four identical notches with parasitic elements are embedded into the design. Simple reconfigurable circularly polarized antenna at. Compact circularly polarized microstrip antenna for gps applications compact circularly polarized microstrip antenna for gps applications hou, ming. A simple design for a lowcost, tripleband reconfigurable circularly polarized antenna is discussed. Reference 7 proposed an aperture coupled square patch antenna with quadric polarization agility. The second antenna is to design and develop reconfigurable circularly polarized microstrip antenna with single feed line, feeding with. Abstract in recent years, microstrip antennas are playing an important role in wireless communication systems because of their many advantages like light weight, low profile, low cost, easy integration with planar structure and easy fabrication. A microstrip patch antenna with reconfigurable polarization states among righthand circular polarization rhcp, lefthand circular polarization lhcp and two linear polarizations lp is proposed. Circularly polarized microstrip antenna concordia university. Review paper on microstrip patch antenna for wireless communication. The basic antenna is a circular coplanarwaveguide cpwfed microstrip antenna excited by a diagonal slot and the cpw open end. A simple design of singlefeed polarizationreconfigurable microstrip antenna is presented in this paper. The length of one of the stubs is different from that of the other three stubs, and the structural asymmetry is realized in such a manner. In this paper, a singlefeed reconfigurable wideband and multiband antenna using two patch elements on a planar structure is proposed.
Patch antennas can easily be fabricated to have vertical, horizontal, right hand circular rhcp or left hand circular lhcp polarizations or different kinds of polarizations, using multiple feed points, or a single feed point with asymmetric patch structures. However, the use of an uwb antenna for multiband applications could result in unwanted emissions in the transmission mode. Circular polarization is generated by truncating two opposite edges from a circular patch antenna at 45 to the. Reconfigurable stacked patch microstrip antenna frspma using pin diode switch, operating at either at 2. Reconfigurable patch antennas with fourpolarization. Ansoft hfss and in house developed fdtd code are used, for simulation of the proposed. The electromagnetically coupled cross patch antenna given in figure 3.
Compact circularly polarized microstrip antenna for gps. Design and analysis of polarization reconfigurable. On the use of slots in the design of patch antennas. The antenna includes a circular radiating patch, a probe feed, and two parasitic pins.
Compact single feed dual band microstrip patch antenna with adjustable dual. The antenna is capable of switching from righthand circular polarization rhcp to lefthand circular polarization lhcp and vice versa, with the aid of two rf pin diodes that act as rf switches. In this paper, a novel miniaturized singlefeed crossaperture coupled cp microstrip patch antenna is proposed. Hfss software is a fully featured software package for electromagnetic. Pin diode can be used to achieve reconfigurability by placing it within the slot. To date, numerous studies have been carried out to develop polarizationreconfigurable antenna designs. In this paper, a novel single feed frequency and polarization reconfigurable microstrip patch antenna is presented. Eshaped patch antenna with reconfigurable circular polarization for wireless applications ahmed khidre, kaifong lee, fan yang, and atef elsherbeni.
However, since the frequency ratio was larger than 2 and the difference in the antenna. A compact singlefeed circularly polarized microstrip antenna. In this paper, a single feed reconfigurable microstrip patch antenna with. Achieving 3db axial ratio bandwidth along with the 2. Design and implementation of reconfigurable patch antennas for wireless communications by fei he a thesis presented to the faculty of the graduate college at the. To avoid these errors swedish transport administration, upwis ab and. The frequency diversity characteristic of this antenna is realized by using a pindiode on a uslot of a microstrip patch.
Design and fabrication of frequency reconfigurable and. Reconfigurable wideband circulalry polarized microstrip. Slot is embedded in the first quadrant of diagonal axes of the square patch to. In order to reduce the radiation aperture and consequently broaden the circular polarization cp and the half power beamwidth hpbw of the antenna, a partially etched superstrate and a conducting cavity are employed in the design. Design and development of reconfigurable compact cross patch antenna for switchable polarization 85 patch width, the feed line is centered with respect to the width of the patch so that the tm10 mode of the patch is excited at 2. The suggested lslot excites the two orthogonal patch modes in phase quadrature for circular polarization without truncating any corner of the probe feed square patch.
Analysis and design of a circular polarization reconfigurable. Eshaped patch antenna with reconfigurable circular. A polarization reconfigurable patch antenna was proposed to switch between the. The advantages of slotted ground plane are to omit the dc area and. Thus, the polarization state can be controlled between the two lps. A novel singlefeed circular microstrip antenna with. This antenna has a simple structure, which consists of a radiating circular patch, five switches. It allows switching between right hand circular polarization rhcp and left hand circular polarization lhcp. A polarizationreconfigurable high gain microstrip antenna. Pattern, reconfiguration and polarization reconfiguration. Easily share your publications and get them in front of issuus.
The proposed antenna is a simple structure of dimension 30. A single feed circular microstrip antenna with reconfigurable polarization capability is proposed. Frequency reconfigurable millimeterwave antenna design. A reconfigurable parasitic antenna with continuous beam. Reference 7 proposed an aperture coupled square patch antenna with quadricpolarization agility. In, the authors presented a single feed dualband microstrip patch antenna with switchable orthogonal lps. By the mib fractal and loading perturbation in the corner of the square patch, the dual mode is excited in the asymmetrical square patch and then wideband frequency responses and cp characteristics are presented.
The polarization diversity is also obtained with two pindiodes on the truncating corners of a square patch. Reconfigurable singlefeed antenna with switchable polarization abstract. In addition, this antenna type is also desirable for single antennas that can. There are basically two types of excitation technique for circular polarization in microstrip patch antenna. A compact design of a single feed microstrip antenna for. A single feed square microstrip patch antenna with polarization reconfigurability is presented in this paper. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Dualband reconfigurable antenna for polarization diversity. Sharma, dual band circularly polarized modified rectangular patch antenna polarization in both bands. A singlefeed circular microstrip antenna with reconfigurable polarization capability is proposed. Jul 30, 2015 in this paper, a single layer asymmetric lslot loaded microstrip patch antenna for circular polarization is proposed. Specifically, the proposed method imposes simultaneously the circular polarization condition as well as an arbitrary input impedance matching condition.
The simple structure of this antenna contains a radiating circular patch, four switches pin diode, and a 50. Polarization reconfigurable patch antenna with stairslots on the ground, ieee antennas andwireless propagation letters, vol, pp. Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. A reconfigurable microstrip yagi antenna is proposed to realize continuous and improved beam scanning from. This antenna is designed on long rectangular microstrip patch having periodic shortingvias along both sides of its length and at both end of patch. A compact single feed circularly polarized microstrip antenna is proposed to achieve symmetric radiation pattern over a wide range of observation angles. Dual band circularly polarized modified rectangular patch. A polarization reconfigurable microstrip patch antenna. The reconfiguration is not limited to switching of a single characteristic.
Ashish kumar sahu is a record of an original research work carried out by his during 20142015 under my supervision and guidance in partial fulfilment of the requirement for the. Hfss modeling are developed to calculate the antenna dimensions, for some given resonant frequency, aspect ratio, dielectric constant and height of substrate. A parametric study has been carried out to investigate the effects caused by different arm length and width. In this paper, a simple design for a tripleband circularly polarized cp antenna with the capability of switching its polarization between dualsense cps is presented. The antenna is designed using a square shaped driven patch and two hexagonal slotted tunable parasitic elements placed in the hplane. A microstrip patch antenna mpa is a type of antenna that consists of a conducting patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on other side. Antenna reconfiguration is enabled with the aid of two rf switches inserted in. By switching pin diode on the slot, polarization reconfigurability is achieved. Reconfigurable wideband circularly polarized microstrip. A novel singlefeed design of a patch antenna with polarization reconfigurability is proposed in this paper.
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