A broadband single feed circularly polarized patch antenna with wide beamwidth is presented. This antenna has a simple structure, which consists of a radiating circular patch, five switches. Comparison chart of various parameters with in microstrip patch antenna table 1. A polarization reconfigurable antenna 1011121415 16 171819202122provide a dominant modulation scheme such as the circular polarization modulation and allows the user to. Eshaped radiation patch with a coaxial probe feeding into it.
Three coaxial feed points are provided for three operational frequencies. 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. A novel singlefeed reconfigurable antenna for polarization and frequency. The sense of polarization can be easily changed from right handed to left handed by changing the feed position. Antenna is simulated on hfss11 and after fabrication tested on antenna measurement system good impedance bandwidth is achieved at 2. Sep 01, 20 polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. In order to get cp, one corner is cut off by lshaped cut near the feed. Jul 30, 2015 in this paper, a single layer asymmetric lslot loaded microstrip patch antenna for circular polarization is proposed. Single feed reconfigurable circularly polarized microstrip patch antenna feeding with proximity coupled method 40 5. A novel single feed frequency and polarization reconfigurable. It was decided to design a patch antenna from the theoretical study since it fulfils all the requirements for the antenna. Reconfigurable patch antennas have drawn a lot of research interest for.
Design of circular polarized dual band patch antenna. Singlefeed polarization reconfigurable patch antenna. Accordingly it is expected that a wideband polarization recon. By switching pin diode on the slot, polarization reconfigurability is achieved. The proposed antenna can be reconfigured to provide a pair of orthogonal linear polarizations by controlling the on off states of four pin diodes. 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 personal overview of the development of microstrip patch. A broadband singlefeed circularly polarized patch antenna. Index terms frequency reconfigurable, microstrip antenna. A simple patch antenna with an xslot constitutes the fundamental structure. A bent cross dipole with one pin diode inserted into each of its four arms is utilized to excite the antenna. Four identical notches with parasitic elements are embedded into the design. Singlefeed circular polarization microstrip antenna. Somasekhar rao, a novel single feed frequency and polarization reconfigurable microstrip patch antenna, international. Comprehensive study of single feeding techniques on circularly. Reconfigurable circular microstrip patch antenna with.
Dual feed quadri polarization states microstrip patch antenna feeding with microstrip line 45 5. A polarization reconfigurable patch antenna with loop slots on the. Circularly polarized single feed microstrip patch antennas. Jun 02, 2016 single feed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed.
New proximity coupled feeding method for reconfigurable. The concept of the microstrip patch antenna originated in the 1950s, but it did not attract serious attention until the 1970s. 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. 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. Pin diode can be used to achieve reconfigurability by placing it within the slot. Design of polarization diversity patch antenna based on a compact.
J reconfigurable microstrip patch antenna with switchable polarization. A tunable microstrip patch antenna with switchable polarization. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. Pier c online patch antenna with reconfigurable polarization.
In this paper, a novel single feed frequency and polarization reconfigurable microstrip patch antenna is presented. 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. A novel singlefeed circular microstrip antenna with. And a coupling slice instead of a resistive load is used as matching load of the microstrip ring for. The work on single feed frequency and polarization reconfigurable microstrip patch antenna is reported earlier. A microstrip patch antenna is attractive to get polarization switching. A wideband polarization reconfigurable antenna with six. Circular microstrip reconfigurable antenna for frequency and polarization with feed configuration is presented in this paper. Abstracta singlefeed circular microstrip antenna with recon.
The present paper demonstrates a frequency and polarization reconfigurable microstrip patch antenna with simple feed structure. Experimental and theoretical investigation show that. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50. The proposed antenna consists of two pairs of bowtie dipoles, a pair of slim rectangle dipole and a metallic square reflector.
This antenna has a simple structure, which consists of a radiating circular patch. The microstrip patch antenna is designed and optimized in such a way that interconnection between patches tuned antenna from higher to lower frequency. Design of polarization reconfigurable microstrip antenna. Pin diode can be used to achieve reconfigurability by placing it. A reconfigurable patch antenna consisting of a square patch with two crossshaped. Easily share your publications and get them in front of issuus.
Design and fabrication of frequency reconfigurable and. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. It can switch between linear polarization lp, rhcp and lhcp at dual frequency. The radiation pattern is not disturbed by switch state and gain of proposed antenna is above 5 dbi. 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. Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. A parametric study has been carried out to investigate the effects caused by different arm length and width. They are the original type of microstrip antenna described by howell in 1972. A diagonal slot is inserted in the square patch and a pin diode is placed on the slot. 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.
This paper presents a novel design of circularly polarized near circular microstrip antenna using 3 different single feeding techniques. A reconfigurable patch antenna consisting of a square patch with two crossshaped diagonal slots is presented. Varactor diode loaded reconfigurable patch antenna with. Specifically, the proposed method imposes simultaneously the circular polarization condition as well as an arbitrary input impedance matching condition. Eshaped patch antenna with reconfigurable circular. Reconfigurable patch antennas with fourpolarization states. Varactor diode loaded reconfigurable patch antenna with adjustable slots ritika tandon m. Electric surface current distribution on the eshaped patch antenna in state 3 during one time cycle. In 10, a polarization reconfigurable patch antenna was proposed to switch. For single feed microstrip antenna circular polarization. Single feed lslot microstrip antenna for circular polarization. A novel singlefeed design of a patch antenna with polarization reconfigurability is proposed in this paper. The polarization switching is realized with a 1to4 reconfigurable feeding network. A reconfigurable magnetoelectric dipole antenna using bent.
Frequency and polarization reconfigurable microstrip antenna with. A new design method for singlefeed circular polarization. Polarization reconfigurable patch antenna for wireless sensor network applic. Reconfigurable microstrip patch antenna with switchable polarization. In the four decades since, there are literally thousands of papers on this antenna. Abstract a varactor diode is placed on every slot to alter the current direction, which determines the polarization state. A novel reconfigurable circular polarization patch antenna. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. In this paper, we propose a novel reconfigurable microstrip patch antenna having frequency and. 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. 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. Single feed polarization reconfigurable microstrip patch antenna.
Frequency and polarization reconfigurable microstrip antenna. Abstract this paper presents a personal overview of the development of microstrip patch antennas. In addition, the developed theoretical model shows the dependency of the. This antenna mainly comprises of a corner truncated square patch with a rectangular ring slot, eight pin diodes and six conductive pads. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Tarricone department of innovation engineering university of salento via monteroni, lecce 73100, italy abstracta recon. Therefore, lhcp could be generated at the resonant frequency. Resume university college of engineering, osmania university. Analysis and optimized design of single feed circularly polarized microstrip antennas. This antenna can be used in emerging reconfigurable wireless communication systems. Pdf design of polarization reconfigurable antenna using. 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. A novel singlefeed reconfigurable antenna for polarization and. Geometry of a reconfigurable polarization patch antenna with loop slot on the ground. Simulations and tests shows that the antenna is circular polarized and have a. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Single feed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. A single feed square microstrip patch antenna with polarization reconfigurability is presented in this paper. By turning the switches on or off, this antenna can radiate with either right. Generation of broadband highpurity dualmode oam beams.
Design and development of reconfigurable compact cross patch antenna for switchable polarization 211 figure a. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. A broadband fourfeed circular patch antenna is demonstrated to generate highpurity dualmode vortex beams carrying orbital angular momentum. This paper presents a personal overview of the development of microstrip patch antennas. A new simple singlefeed method for circularly polarized ring antennas has been investigated. Polarization reconfigurable wide band eshaped patch antenna for wireless applications, antennas and propagation, ieee transactions on, vol. 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. Tejbir singh assistant professor, subharti university, meerut, u. The proposed design approach is based on the use of two pairs of switches in order to obtain both frequency and polarization reconfigurability. 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. Jul 01, 2008 a novel design of a microstrip patch antenna with switchable branches is proposed to achieve circular polarization diversity. Frequency and polarization reconfigurable antenna for. A microstrip patch antenna is an attractive candidate to provide reconfigurability with low profile, light weight, conformability, and easy fabrication properties 2. A novel single feed reconfigurable circular microstrip patch antenna with polarization and pattern diversity have been proposed. A singlefeed circular microstrip antenna with reconfigurable polarization capability is proposed.
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