Design of polarization diversity patch antenna based on a compact. Abstract this paper presents a personal overview of the development of microstrip patch antennas. Jul 30, 2015 in this paper, a single layer asymmetric lslot loaded microstrip patch antenna for circular polarization is proposed. Electric surface current distribution on the eshaped patch antenna in state 3 during one time cycle. Microstripfed pattern and polarization reconfigurable. A wideband polarization reconfigurable antenna with six. In this paper, we propose a novel reconfigurable microstrip patch antenna having frequency and.
Generation of broadband highpurity dualmode oam beams. A new design method for singlefeed circular polarization. By turning the switches on or off, this antenna can radiate with either right. Beam and polarization reconfigurable microstrip antenna based on.
Four identical notches with parasitic elements are embedded into the design. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. This antenna can be used in emerging reconfigurable wireless communication systems. Pdf a novel singlefeed circular microstrip antenna with. Two branches are incorporated into the patch and two switches are utilized to switch the branches on and off.
Apr 24, 2018 the antenna is a low profile microstrip patch antenna which only uses a single feed, allowing it to be compact and simple in terms of its structure. A novel singlefeed reconfigurable antenna for polarization and. Its structure is simple and consists of a singlelayer singlefeed eshaped patch and two rf switches placed at appropriate locations in the slots. Beam and polarization reconfigurable microstrip antenna based. The antenna is a low profile microstrip patch antenna which only uses a single feed, allowing it to be compact and simple in terms of its structure.
Pdf design of polarization reconfigurable antenna using. A novel singlefeed design of a patch antenna with polarization reconfigurability is proposed in this paper. Somasekhar rao, a novel single feed frequency and polarization reconfigurable microstrip patch antenna, international. A single feed square microstrip patch antenna with polarization reconfigurability is presented in this paper. Pin diode can be used to achieve reconfigurability by placing it. Experimental and theoretical investigation show that. Analysis and optimized design of single feed circularly polarized microstrip antennas. It can switch between linear polarization lp, rhcp and lhcp at dual frequency. Singlefeed circular polarization microstrip antenna. Dualband reconfigurable antenna for polarization diversity. A reconfigurable patch antenna consisting of a square patch with two crossshaped diagonal slots is presented. Singlefeed polarization reconfigurable patch antenna. Accordingly, many reconfigurable microstrip antennas for polarization diversity have.
Abstract a varactor diode is placed on every slot to alter the current direction, which determines the polarization state. Polarization reconfigurable patch antenna for wireless sensor network applic. The patch is coupled to four asymmetric cross slots via a microstrip ring with eight matching segments underneath the ground plane, traversing through the arms of the cross slots in a serial manner. Single feed polarization reconfigurable microstrip patch antenna. Pier c online patch antenna with reconfigurable polarization. The stub is positioned symmetrically to the left and right of the squarering resonator, and the squarering antenna connected to one of two stubs has a dualband resonance.
Single feed reconfigurable circularly polarized microstrip patch antenna feeding with proximity coupled method 40 5. In addition, the developed theoretical model shows the dependency of the. A novel single feed reconfigurable circular microstrip patch antenna with polarization and pattern diversity have been proposed. Therefore, lhcp could be generated at the resonant frequency. A simple patch antenna with an xslot constitutes the fundamental structure. The concept of the microstrip patch antenna originated in the 1950s, but it did not attract serious attention until the 1970s. In the four decades since, there are literally thousands of papers on this antenna. Design of polarization reconfigurable microstrip antenna. A new simple singlefeed method for circularly polarized ring antennas has been investigated. A novel singlefeed circular microstrip antenna with. Tarricone department of innovation engineering university of salento via monteroni, lecce 73100, italy abstracta recon. Varactor diode loaded reconfigurable patch antenna with adjustable slots ritika tandon m.
Comprehensive study of single feeding techniques on circularly. A broadband fourfeed circular patch antenna is demonstrated to generate highpurity dualmode vortex beams carrying orbital angular momentum. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. A novel reconfigurable circular polarization patch antenna. A polarization reconfigurable antenna 1011121415 16 171819202122provide a dominant modulation scheme such as the circular polarization modulation and allows the user to. A tunable microstrip patch antenna with switchable polarization. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50. Single feed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. Design and development of reconfigurable compact cross patch antenna for switchable polarization 211 figure a. Reconfigurable microstrip patch antenna with switchable polarization.
A wideband singlefeed crosseddipole antenna with reconfigurable polarization states among righthand circular polarization rhcp, lefthand circular polarization lhcp and four linear polarizations lp at 0lp, 90lp, 45lp and 5lp is proposed. The proposed design approach is based on the use of two pairs of switches in order to obtain both frequency and polarization reconfigurability. Resume university college of engineering, osmania university. 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. The sense of polarization can be easily changed from right handed to left handed by changing the feed position. A polarization reconfigurable patch antenna with loop slots on the. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. Single feed lslot microstrip antenna for circular polarization. The dualfed antenna can operates on two orthogonal linear polarizations simultaneously and on two orthogonal circular polarizations alternatively by controlling the perturbation elements on a square patch antenna. Sep 01, 20 polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. This antenna mainly comprises of a corner truncated square patch with a rectangular ring slot, eight pin diodes and six conductive pads.
Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. Eshaped patch antenna with reconfigurable circular. For single feed microstrip antenna circular polarization. Frequency and polarization reconfigurable antenna for. By switching pin diode on the slot, polarization reconfigurability is achieved. A broadband singlefeed circularly polarized patch antenna. A single feed compact microstrip antenna achieving frequency and polarization diversity using a varactor is presented. 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. It was decided to design a patch antenna from the theoretical study since it fulfils all the requirements for the antenna. Reconfigurable circular microstrip patch antenna with. A microstrip patch antenna is attractive to get polarization switching. Jul 01, 2008 a novel design of a microstrip patch antenna with switchable branches is proposed to achieve circular polarization diversity. The present paper demonstrates a frequency and polarization reconfigurable microstrip patch antenna with simple feed structure.
Abstracta singlefeed circular microstrip antenna with recon. By loading the perturbation patch, the two orthogonal line polarized modes can be respectively converted to the right hand cp rhcp and left hand cp lhcp modes. Circular microstrip reconfigurable antenna for frequency and polarization with feed configuration is presented in this paper. A singlefeed circular microstrip antenna with reconfigurable polarization capability is proposed. Jun 02, 2016 single feed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. A single feed wideband polarization reconfigurable magnetoelectric dipole antenna is presented in this letter.
Easily share your publications and get them in front of issuus. A reconfigurable patch antenna consisting of a square patch with two crossshaped. Varactor diode loaded reconfigurable patch antenna with. It is easy for a singlefed patch antenna to activate circular polarization cp.
Reconfigurable patch antennas with fourpolarization states. The work on single feed frequency and polarization reconfigurable microstrip patch antenna is reported earlier. Circularly polarized single feed microstrip patch antennas. This paper presents a novel design of circularly polarized near circular microstrip antenna using 3 different single feeding techniques. Quick summary of patch antenna quantity typical minimum maximum polarization linear radiation patten single broadside lobe gain dbi 7 5 8 performance bandwidth % 5 0. Polarization reconfigurable aperturefed patch antenna wei lin and hang wong department of electronic engineering and state key laboratory of millimeter waves hk, city university of hong kong tat chee avenue, kowloon, hong kong, email. The polarization switching is realized with a 1to4 reconfigurable feeding network. A novel single feed frequency and polarization reconfigurable. This paper presents a personal overview of the development of microstrip patch antennas. Accordingly it is expected that a wideband polarization recon. The microstrip patch antenna is designed and optimized in such a way that interconnection between patches tuned antenna from higher to lower frequency. Polarization reconfigurable wide band eshaped patch antenna for wireless applications, antennas and propagation, ieee transactions on, vol. Design of circular polarized dual band patch antenna.
A diagonal slot is inserted in the square patch and a pin diode is placed on the slot. Pin diode can be used to achieve reconfigurability by placing it within the slot. Index terms frequency reconfigurable, microstrip antenna. Dual feed quadri polarization states microstrip patch antenna feeding with microstrip line 45 5. And a coupling slice instead of a resistive load is used as matching load of the microstrip ring for. In order to get cp, one corner is cut off by lshaped cut near the feed. Tejbir singh assistant professor, subharti university, meerut, u. A novel singlefeed reconfigurable antenna for polarization and frequency. Design and fabrication of frequency reconfigurable and. Comparison chart of various parameters with in microstrip patch antenna table 1. A parametric study has been carried out to investigate the effects caused by different arm length and width. This antenna has a simple structure, which consists of a radiating circular patch. A broadband single feed circularly polarized patch antenna with wide beamwidth is presented. Frequency and polarization reconfigurable microstrip antenna.
Reconfigurable patch antennas have drawn a lot of research interest for. The proposed antenna can be reconfigured to provide a pair of orthogonal linear polarizations by controlling the on off states of four pin diodes. They are the original type of microstrip antenna described by howell in 1972. A personal overview of the development of microstrip patch. The proposed antenna consists of two pairs of bowtie dipoles, a pair of slim rectangle dipole and a metallic square reflector. In 10, a polarization reconfigurable patch antenna was proposed to switch. A reconfigurable magnetoelectric dipole antenna using bent. A microstrip patch antenna is an attractive candidate to provide reconfigurability with low profile, light weight, conformability, and easy fabrication properties 2. Simulations and tests shows that the antenna is circular polarized and have a. Frequency and polarization reconfigurable microstrip antenna with.
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