The antenna presents three resonant frequencies if non reconfigurable fractal configuration is used, but by using reconfiguration concept this antenna can resonate at nine different resonant frequencies in mode ii. Reconfigurable reflectarrays and array lenses for dynamic antenna beam control. The primary use for this technology is in military and commercial systems that use reconfigurable antenna array technology. The antenna is composed of a slottedwaveguide array design with a. In 16, applying weighted thinned array with pattern reconfigurable antenna has been done. Reconfigurable antennas synthesis lectures on antennas. A reconfigurable antenna is a different solution to achieve a wide impedance bandwidth by switching on and off some parts of the antenna.
Multiband frequency reconfigurable planar invertedf. Pdf the design of 5g 4element antenna array system with the capability of switching its operation between right hand circular polarization. This feature enables the antenna radiation traces conformably attached to a 3d polycarbonate carrier or directly on. The antenna presents three resonant frequencies if nonreconfigurable fractal configuration is used, but by using reconfiguration concept this antenna can resonate at nine different resonant frequencies in mode ii. The center dipole is connected to 50 ohm transmitter and the. Antenna element pattern reconfigurability in adaptive arrays by tyrone lavonne roach dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy in electrical and computer engineering in the graduate college of the university of illinois at urbanachampaign, 2010 urbana, illinois doctoral committee. Customizable phased array antenna using reconfigurable. In this project, a new reconfigurable antenna design was proposed. This paper proposes a deterministic method for the 3d synthesis of antenna arrays that jointly accounts for farfield pattern reconfigurability, polarization setting, dynamic range ratio reduction, and nearfield control. The fronttoback ratio fb is improved by using two folded dipoles. In recent years, reconfigurable antennas have received an enormous consideration in the field of wireless communication systems. The proposed pattern reconfigurable antenna consists of a metal cone as the main radiators and eight poles as reflectors for beam switching. The proposed hybrid reconfigurable fractal antenna is a novel compact, simple, multiband and reconfigurable. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation.
In this paper rectangular patch antenna array and reconfigurable rectangular patch antenna array is designed and simulated for bluetooth 2. Pattern reconfigurable antenna array for mimo application. Reconfigurable antenna international journal of new technology. A sharedaperture reconfigurable dualpolarized slotring antenna array switching between different frequency.
This architecture comprises lens array antennas coupled with beam selection network per antenna that can steer the beams in required directions. Reconfigurable phased antenna array for extending cubesat. A broadband polarizationreconfigurable slot antenna and 2. Nov 10, 20 a reconfigurable antenna array integrated with rf switches date. Nov 08, 20 in this project, a new reconfigurable antenna design was proposed. Reconfigurable microstrip antenna array ijert journal. Varactor diodes or mems switches, pin diodes, are the most frequently used. Ideally, reconfigurable antennas should be able to.
Reconfigurable antennas for high data rate multibeam. The simulation results shows that the proposed antenna array can be successfully used as ultrawide band antenna over. A fronttoback patternreconfigurable antenna based on two dipoles is investigated. A reconfigurable antenna array integrated with rf switches. Interdigital structure, which serves as short radiation line of grid array antenna is then introduced to reconfigure radiation pattern.
In fourth design a reconfigurable array with a sensing circuit is designed. However, the advantages of both the reconfigurable antenna and integrated filter antenna technology have not been fully applied to antenna array applications. Reconfigurable wireless power transmission in fullyenclosed space using antenna array article pdf available in ieee access pp 99. They are able to cover a wide frequency range in changing. Reconfigurable antennas free download as powerpoint presentation. The reconfigurable antenna may be an array antenna or just a single antenna. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Reconfigurable koch loop fractal antenna using rf switch. Frequency reconfigurable log periodic microstrip dipole.
A reconfigurable microstrip antenna array using spst. Antenna parameters such as frequency, radiation pattern, and polarization can be reconfigured. Ideally, reconfigurable antennas should be able to alter their operating frequencies. Smart, reconfigurable antennas and phased arrays youtube. Pdf frequency reconfigurable log periodic microstrip. A phased array antenna is disclosed that uses hybrid integration of the wave coupled mems phase shifters and a substrate integrated slotted waveguide antenna array and associated feed network. Wo2009023551a1 hybrid integrated mems reconfigurable. Reconfigurable semiconductor phasedarray metasurfaces. The patternreconfigurable antenna is realized by switching two pin diodes with two broadband baluns. Apr 16, 2019 this article presents the design of a grid array antenna with pattern reconfigurable ability. Pdf design and evaluation of a reconfigurable antenna. This paper presents a wideangle scanning phased array antenna using high gain pattern reconfigurable antenna pra elements. Katehi university of michigan, ann arbor, michigan prepared for the 2001 aps international symposium and usncursi national radio science meeting.
The basic antenna array is constituted of circular patches adapted with coplanar notches and circular patches parasite fed by electromagnetic coupling. The antenna system consists of an array of two printed dipoles separated by a distance of a quarter wavelength. So the combination of pattern reconfigurable antenna and thinned array will have much potential in the ability of wideangle scanning of antenna array. Reconfigurable antennas for wireless communications. Reconfigurable antenna arrays with multiple requirements. Reconfigurable c and ku band antenna using duelpatch. Plasma antenna and its array driven by surface wave. In the raa configuration, the behavior of the reconfigurable multiple element linear. Phased array metamaterial systems are enabling new classes of refractive and diffractive optical elements through spatialphase engineering. Pdf reconfigurable wireless power transmission in fully.
Wideband patternreconfigurable cone antenna employing. Multiple antenna elements used together is called an antenna array. Antenna arrays are commonly used to achieve high gains and beam steering, but they require complex feeding networks. Design of reconfigurable microstrip patch antenna for wlan. However, the advantages of both the reconfigurable antenna and integrated filterantenna technology have not been fully applied to antenna array applications. A fronttoback pattern reconfigurable antenna based on two dipoles is investigated. The proposed structure provides interesting benefits in terms of bandwidth, polarization purity, and versatility, which suggest promising possibilities for the array technology in forthcoming kaband nanosatellites. Reconfigurable characteristics of the monopole plasma.
The recent rapid development of wireless communication systems. In this paper, a mechanically reconfigurable circular array with singlearm spiral antennas sasas is designed, fabricated, and experimentally demonstrated to generate broadband circularly. Applications that would benefit from the advantages delivered by this invention include multimode, multiband wireless communications and radarimaging systems, wireless communication with enhanced security, highly efficient near field communication, astronomy systems. An internal reconfigurable dipoleloop antenna array, covering the entire ultrahigh frequency uhf band for ultrahigh definition television uhdtv applications is presented. Ieee transactions on antennas and propagation to appear 1 abstractin this paper, a compact pattern reconfigurable dualantenna array is designed at 2. Phasedarray metamaterial systems are enabling new classes of refractive and diffractive optical elements through spatialphase engineering.
Design of patch antenna array based on lc in this design, antenna dimensions are determined. The pattern reconfigurable antenna is realized by switching two pin diodes with two broadband baluns. Example consider a symmetric threeelement dipole antenna array consisting of half wavelength dipole antennas, shown in figure 2. Directive and reconfigurable loaded antenna array for wireless. Reconfigurable array antenna using microelectromechanical. In this paper, novel multiband frequency reconfigurable planar invertedf antennas pifa are developed.
A key difference in the design of array lens elements is that in addition to exhibiting a large phase range. A reconfigurable antenna array for kaband cubesats has been presented. High data rate multibeam communication systems final propress redort summarv of research. Design of reconfigurable microstrip patch antenna f or wlan application biplab parida 1, abhishek kumar 2, janardan sahay 3 deptt. Wideangle scanning phased array antenna using high gain. In fact, phased array is a collection of antennas that are mostly spaced evenly along one direction or in a twodirectional for bidimensional arrays. Fabricated electronically reconfigurable transmitarray antenna. A reconfigurable antenna array integrated with rf switches date. Scribd is the worlds largest social reading and publishing site. Comparative analysis of reconfigurable patch antenna array.
Various industries such as 5g and defense are looking at smart, reconfigurable antennas and phased arrays for higher performance. Design and evaluation of a reconfigurable antenna array for mimo systems article pdf available in ieee transactions on antennas and propagation 563. In order to provide a dynamic response, reconfigurable antennas integrate an inner mechanism such as rf switches, varactors, mechanical actuators or tunable materials that enable the. To permit the operating frequencies and the bandwidths to be reconfigurable, switching components are normally used. Reconfigurable antennas for high data rate multibeam communication systems. The antenna provides very good frequencyreconfigurable characteristics and might be suitable for use in a phased array form for fifth generation. Us20050088358a1 reconfigurable parasitic control for. Optics and electronic department mechanical engineering college. Single antenna design the proposed pattern reconfigurable antenna is shown in fig. First, a switchableband reconfigurable antenna array switching between l and c bands is presented.
In this article, we develop design principles for reconfigurable optical antennas and metasurfaces. New reconfigurable antenna array is demonstrated for multiple input multiple output mimo communication systems that improves link capacity in closely spaced antenna arrays. The antenna accordingly resonates at a lower frequency band. The theory for a fronttoback pattern reconfiguration is analyzed. The simulation results shows that the proposed antenna array can be successfully used as ultrawide band antenna over frequency range from 4 ghz to 18 ghz. Reconfigurable antennas and arrays for cognitive radio. A wideband pattern reconfigurable cone antenna employing liquidmetal reflectors is presented. A reconfigurable antenna array raa integrated with rf. Reconfigurables y antenas phasedarray also star wars. It is simple in design and has a wide impedance bandwidth.
The antennas are fabricated on a flexible polyimide tape, with conductive copper layers plated on one or both sides. Oct 06, 2016 various industries such as 5g and defense are looking at smart, reconfigurable antennas and phased arrays for higher performance. Pdf reconfigurable microstrip patch slot antenna array. Pdf polarizationreconfigurable antenna array for millimeter. Integra devices hold the technology needed to enable this next. Discussion of various factors that affect the radiation pattern is presented. The array consists of four individual reconfigurable patches which are attached to the different conformal surfaces. The antenna includes a substrate integrated waveguide siw slot array. It is focused on both reconfigurable antenna elements and arrays, and outlines some directions for future research. A reconfigurable antenna array raa integrated with rf switches 8 november 20 the recent rapid development of wireless communication systems has created a strong need. Mechanically reconfigurable singlearm spiral antenna.
Pdf reconfigurable printed antenna arrays for mmwave. The conceived algorithm, which generalizes some existing solutions, relies on a weighted cost function, whose iterative minimization is accomplished by properly derived. This article presents the design of a grid array antenna with pattern reconfigurable ability. The antenna consists of a monopole layer and a pifa layer. A frequency reconfigurable antenna array is introduced. Aeu international journal of electronics and communications 102, 2534. This research developed new individually reconfigurable planar antenna array elements that can. Mar 23, 2018 in this paper, a mechanically reconfigurable circular array with singlearm spiral antennas sasas is designed, fabricated, and experimentally demonstrated to generate broadband circularly. A wideband patternreconfigurable cone antenna employing liquidmetal reflectors is presented. We theoretically demonstrate the tunability of infrared scattering phase and radiation patterns in lowloss, highindex dielectric resonators using free. A symmetric structure made of two yagiuda antennas with two active elements.
Using pra elements is an attractive solution for wideangle scanning. Reconfigurable array antenna using microelectromechanical systems mems actuators rainee n. The proposed patternreconfigurable antenna consists of a metal cone as the main radiators and eight poles as reflectors for beam switching. Reconfigurability, when used in the context of antennas, is the capacity to change an individual radiators fundamental operating characteristics through electrical, mechanical, or other means. The array consists of planar radiating elements that may be interconnected through computercontrolled switches to form larger elements radiating at frequencies lower than the resonant frequency of the individual elements. Internal reconfigurable dipoleloop antenna array for high. This research developed new individuallyreconfigurable planar antenna array elements that can. Reconfigurable antenna array with multifeed antenna. Recent developments of reconfigurable antennas for current and.
Reconfigurable antenna systems provide the functionality of a multiantenna system in the space of a single antenna. The specific antenna presented in this paper is a planar 2element yagi array with a parasitic element loaded with. Simulations have been done using cst software 8 to validate the feasibility of the proposed frequency reconfigurablephased array antenna for mm. Antenna arrays are used to create directed radiation patterns.
A frequency reconfigurable antenna is arguably the most practical. Multifunctional reconfigurable antennas and arrays operating at 60. A frequency and pattern reconfigurable antenna array based on. Abstract in this paper we propose a rectangular microstrip p atch antenna with inset fed which can operate at 2. The frequency reconfigurable log periodic microstrip dipole array operated over c,x and ku bands has been designed and simulated by ansys hfss. Pdf a novel structure of reconfigurable orthogonal antenna array roaa constructed with separated feeding network by air gap technique is introduced. The reconfigurable array provides four different modes with relatively balanced power. Electronically reconfigurable parasitic antenna array for. The wide circle slot, etched on the ground, serves as the radiation.
The internal antenna array is used to overcome the influence of electromagnetic interference when integrating the antenna element inside the tv model and to increase the gain and reception rate of receiving signals. Therefore, this dissertation explores how to maximize the antenna array performance using reconfigurable antennas and integrated filterantennas. Theory and realization of a patternreconfigurable antenna. Reconfigurable antenna aperture with optically controlled. The concept of reconfigurable antenna is widely used as an additional feature of reconfigurable ability for future wireless communication systems especially for cognitive radio applications, radar system and multifrequency communications. The envelope correlation coefficients eccs between the two antennas in all four modes is below 0.
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