Jan 01, 20 a novel reconfigurable log periodic patch array has been proposed by inserting switches within the aperture slots coupling the patches to the feed line. Antenna configuration in this case, the reconfigurable patch module consists of a 1x2 array of koch loop patches connected together by the rf diodes switches as depicted in fig. In this project, a new reconfigurable antenna design was proposed. Design of reconfigurable microstrip patch antenna for wlan. Design and implementation of reconfigurable microstrip. Due to rapid growth of technology, the requirement of an antenna with less height for mobile phones contributes a huge challenge 1 2. Kochbased antennasize compacting scenario was proposed in iii. A novel frequencyreconfigurable antenna is presented based on a circular monopolar patch antenna. However, the bandwidth of the proposed antenna is less than 3%. Polarization reconfigurable aperturefed patch antenna and. The antenna design is based on having pairs of symmetrical slots to form branches. The proposed metamaterial array technology is based on the novel concept of emulating inplane anisotropy to introduce many more design degrees of freedom to achieve significant wave slow down and wide bandwidth. A novel pattern reconfigurable dipoleyagi antenna for. Reconfigurable plasma antenna array by using fluorescent tube.
By using different reconfiguration of patch we got different result of gain, bandwidth and efficiency. Pdf a novel frequencyreconfigurable antenna is presented based on a circular monopolar patch antenna. Instead of using vias, varactorloaded stubs are utilized to create reconfigurable equivalent shorting points. This article proposes a reconfigurable lowprofile monopolar antenna with tripleband independent tuning capability. In this paper, these design concepts have been classified into. Ieee transactions on antennas and propagation to appear 1 abstractin this paper, a compact pattern reconfigurable dualantenna array is designed at 2.
For reconfigurable antennas, the potential is not to increase the performance of the antenna in a. Design of a wideband quadpolarization reconfigurable. The recent rapid development of wireless communication systems. A reconfigurable antenna array raa integrated with rf switches. Development of reconfigurable kaband antenna array. Multiple patch antennas on the same substrate see image called microstrip antennas, can be used to make high gain array antennas, and phased arrays in which the beam can be electronically steered. Luk frequencyreconfigurable lowprofile circular monopolar patch antenna ieee trans. Recent developments in reconfigurable and multiband antenna. In this paper, a printed patch antenna operating around 2. In 26 pin diodes are used in the design of a reconfigurable cslot microstrip patch antenna that can operate in dualband or in very wideband mode. A reconfigurable antenna array integrated with rf switches date. Based on the proposed omnidirectional cp antenna, a polarization reconfigurable antenna was designed. As part of this fellowship, i will adapt these new metamaterial concepts to develop wideband 4.
Design and implementation of reconfigurable microstrip patch. Reconfigurable koch loop fractal antenna using rf switch. Lukfrequency reconfigurable lowprofile circular monopolar patch antenna ieee trans antennas propag, 62 2014, pp. Frequency reconfigurable stepped impedance dipole antenna. A frequency reconfigurable antenna is arguably the most practical. Recent developments of reconfigurable antennas for current and. The array characteristics will be presented at the symposium.
This patch can be dynamically reconfigured to operate at frequencies separated by about 1. A reconfigurable antenna is an antenna capable of modifying dynamically its frequency and radiation properties in a controlled and reversible manner in order to provide a dynamical response. Abstract in this paper we propose a rectangular microstrip p atch antenna with inset fed which can operate at 2. Reconfigurable antennas and rf components at millimeter wave reconfigurability is a vital feature of future agile millimeter wave systems for sensing, imaging, wireless, and satellite communications. A frequency reconfigurable dipole antenna with solidstate.
Recent developments of reconfigurable antennas for current. A pattern reconfigurable monopole parasitic array antenna. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Reconfigurable characteristics of the monopole plasma antenna. Index terms polarization reconfigurable antenna array, aperturefed patch. For reconfigurable antennas, the potential is not to increase. Reconfigurable microstrip patch antenna using mems. Reconfigurable array antenna using microelectromechanical. Often performance drives engineering designs, but for nasa, there is an inherent tradeoff between performance and weight. Dipole fractal loop monopole satellite dish television whip. Nov 08, 20 in this project, a new reconfigurable antenna design was proposed. A lowprofile antenna over a ground plane that radiates a directive lobe in the end fire direction is described in this paper. One metal on alumina and three identical plasma islands constitute the monopole antenna.
Reconfigurable plasma antenna array by using fluorescent. A novel reconfigurable millimeterwave patch antenna is proposed and simulated by the finitedifference timedomain fdtd method. A reconfigurable antenna array raa integrated with rf. The existence of passive element proven that pattern reconfigurability is achieved when radiation pattern is reflected by the reflector and operates at 2. Eight varactor diodes are introduced to bridge the gaps between the circular patch and the sectorshaped patches. Introduction mobile communication has become an important part of our daily life. A reconfigurable antenna array integrated with rf switches. Microstrip monopolar patch antenna for bandwidth enhancement. Design and simulation of reconfigurable monopolar antenna for.
A patch antenna is shorted to the ground plane with thin wires, which is called monopolar wirepatch antenna is proposed in 2. Design of reconfigurable millimeterwave patch antenna. A comparative analysis of various reconfigurable and multiband antenna concepts is presented. The reconfigurable antenna solution is thus preferable with respect to a phased array antenna mainly because. Kochbased antenna size compacting scenario was proposed in iii. Conclusions a novel frequency reconfigurable patch antenna with integrated mems actuators is presented for the first time. Reconfigurable reflectarrays and array lenses for dynamic antenna beam control. Using only one switch and a single patch, the antenna operates at 4.
A reconfigurable monopolar patch antenna has been reported in 14, which capable to reconfigure up to eight different frequency bands using four pin diodes. Radiation pattern can be well reconfigured by turning the pin diode switches on and off. Manikannan 1,2assistant professor, ck college of engineering and technology, cuddalore, tamil nadu abstract with the rapid advancement in wireless communication, reconfigurable antenna is gaining greater attention. A compact reconfigurable bandpasslowpass filter with independent transmission zeros based on generalized nri metamaterial. All antennas in which frequency and radiation patterns can be modified in a reversible and controlled manner are known as reconfigurable antennas. Directional patch antenna array design for desktop. Department of computers and system engineering, azzaytuna university, tarhona, libya.
Reconfigurable integrated patch antenna for g band. Pattern reconfigurable antenna array for mimo application. The radiation pattern reconfigurable component is composed by deploying a pin diode between two passive elements. Reconfigurable antennas for wireless communications.
In this paper, these design concepts have been classified into three basic approaches. Electromagnetics laboratory radiation patterns yagiuda antenna dipole cylinders directional radiation pattern. Fumeaux a frequencyreconfigurable dualband lowprofile monopolar antenna ieee trans. The first part is a ushaped monopole antenna with ultrawideband uwb. It introduces controllable rf switches on a crossaperture to excite a square patch for two orthogonal polarizations. Based on the proposed omnidirectional cp antenna, a polarization reconfigurable antenna. The reconfigurable antenna is composed of a square radiating patch, four varactor diodes, and two lumped capacitors. Design and simulation of reconfigurable monopolar antenna. The structure based of yagiuda rationale consisting of director and reflector with four pin diodes operates at 2.
The new designs presented are the reconfigurable rectangular patch antenna rrpa, reconfigurable wheel antenna rwa, reconfigurable meandered line antenna, reconfigurable cavity backed. Frequencyreconfigurable lowprofile circular monopolar patch antenna. The antenna structure has four shorting walls placed respectively at each edge of the squarering patch, in which two shorting walls are directly connected to the patch and the others are connected to the patch via pin diodes. Tuanyung han and chowyendesmond sim, reconfigurable monopolar circular patch antenna for wireless communication systems, journal of electromagnetic waves and applications, vol. Rhcplhcp reconfigurable arrays using rotated eshaped patch elements. Nasa development of reconfigurable kaband antenna array. Nanbo jin designed the patch antenna 2 with switchable slot pass. A pattern reconfigurable dipoleyagi antenna is presented in this paper. Reconfigurable antennas are an integral part of such systems as they can control polarization, frequency, radiation pattern, or characteristic. The antenna generated omnidirectional radiation patterns with a reduced height of 0. The log periodic is reconfigured by placing switches between the patches and the feed line whilst the vivaldi antenna has switched resonators controlling the current in the edges of the tapered slots. Bandwidth enhancement of microstrip patch antenna using. Compared with the mpa without the crr, the bandwidth of the proposed antenna.
This paper presents a reconfigurable aperturefed patch antenna array for 45 polarizations. Reconfigurable characteristics of monopole plasma antenna are investigated in the paper, related. Reconfigurable squarering patch antenna with pattern. A novel reconfigurable log periodic patch array has been proposed by inserting switches within the aperture slots coupling the patches to the feed line. Patch antenna array in order to increase main beam gain, reduce side lobe radiation, and increase directivity, the patch antenna design was expanded to a four element array. Frequencyreconfigurable lowprofile circular monopolar. Recent developments in reconfigurable and multiband. A variant of the patch antenna commonly used in mobile phones is the shorted patch antenna, or planar invertedf antenna pifa. In this paper, a wideband stacked patch antenna array composed of four linearly polarized antenna elements is proposed for the implementation of four polarization reconfigurable states, i.
Directional patch antenna array design for desktop wireless. Frequency reconfigurable stepped impedance dipole antenna for. An additional resonance is introduced by the crr to broaden the bandwidth. Abstractevaluation of frequency reconfigurable patch antennas for multistandard personal communication systems, using pin diodes as switches. First, a new method to realize the reconfigurable 45 polarizations is proposed. Reconfigurable integrated patch antenna for gband applications. The on state represents a short circuit, while the off state exhibits an open circuit. International journal of rf and microwave computeraided. A doublelayer structure, including a driven substrate integrated waveguide siw cavity and four parasitic radiation patches, is used to develop the wideband antenna element. A reconfigurable monopolar patch antenna has been reported in 14, which capable to reconfigure up to eight different frequency bands using. Index termspolarization reconfigurable antenna array, aperturefed patch. In order to satisfy the requirements for the advanced systems used in modern wireless and radar applications, different multiband and reconfigurable antennas have been proposed and investigated in the past years. An array of 16 wire patch antenna wpa fed by an integrated 16 ways power divider has been designed. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface.
With a coaxial probe, two orthogonal resonant modes of the square patch antenna. A single microstrip feeding line is used to feed both patches. Mems actuator impedance matching transformer nearly square patch antenna vertical pol horizontal pol microstrip feed gsg rf probe pads dc bias pads a b figure 2. Frequencyreconfigurable lowprofile circular monopolar patch.
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 intentional redistribution of the rf currents over the. The proposed antenna has two layers and an active element varactor diode installed. A pin diode between the patch radiator and the embedded corner segment switches the frequency between 5. Pin diodes are used to achieve the switching between the patches, resulting in. The microstrip rectangular structure as shown in fig. Parametric studies were conducted to illustrate the working principle of the proposed antenna. A frequency reconfigurable dipole antenna based on a silicon radiator is presented. 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 intentional redistribution of the rf. The simulation results demonstrate that the antenna can operate in two states and shift the operation frequency band between 22. The antenna comprises of a centerfed circular patch surrounded by four sectorshaped patches. Evaluation of modeling accuracy of reconfigurable patch.
Reconfigurable antennas and rf components at millimeter. Pdf reconfigurable wideband patch antenna for cognitive. Microstrip parasitic array antenna substrate, ground, patch switches on parasitic elements change patternfrequency. A wideband mode and three narrow band modes of reconfiguration are demonstrated, when groups of patches were selected within the array. Compared with the mpa without the crr, the bandwidth of. Polarization reconfigurable aperturefed patch antenna and array. Luk frequency reconfigurable lowprofile circular monopolar patch antenna ieee trans. The antenna is based on the concept of a centerfed patch with shortings to achieve omnidirectional radiation patterns.
A progression of parametric study was done to get that how the features of the antenna depends on dimensions and material of geometry. A novel pattern reconfigurable dipoleyagi antenna design, simulation and measurement are presented in this paper. Nov 10, 20 a reconfigurable antenna array integrated with rf switches date. Switches can be mounted over these slots to obtain different resonant frequencies. In the raa configuration, the behavior of the reconfigurable multiple element linear. Nasa requires small and lightweight communication and remote sensing systems to accomplish its missions. Patch antenna array in use for wifi communications refer to appendix a for the single patch antenna design procedure. Fumeaux a frequency reconfigurable dualband lowprofile monopolar antenna ieee trans. In contrast to conventional antennas producing fixed directional radiation patterns, the reconfigurable plasma antenna array structure is capable of. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation. Electrical and electronics engineering department, university of tripoli, tripoli, libya. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane.
Lukfrequencyreconfigurable lowprofile circular monopolar patch antenna ieee trans antennas propag, 62 2014, pp. Design of reconfigurable microstrip patch antenna f or wlan application biplab parida 1, abhishek kumar 2, janardan sahay 3 deptt. The silicon radiator is activated with the aid of highly dense solidstate plasma by injecting carriers into the. A miniaturized reconfigurable crlh leakywave antenna. Reconfigurable monopolar patch antenna researchgate. Reconfigurable characteristics of the monopole plasma. They are the original type of microstrip antenna described by howell in 1972. They are different from other antennas, as their mechanism of reconfiguration is located within the antenna and not controlled by an external beam. Optics and electronic department mechanical engineering college. Frequency tunable microstrip patch antenna using rf mems technology. Owing to its low height, low cost, high robustness, and monopolar radiation pattern, the wpa has been chosen as unit cell of the array that must be placed on the.
Survey on different types of reconfigurable patch antenna for. Pdf analysis of reconfigurable microstrip patch antenna. A pattern reconfigurable monopole parasitic array antenna for. In, a reconfigurable patch antenna design with dualprobe coupler feed network was presented.
By using different reconfiguration of patch we got different result of. A singlefeed reconfigurable squarering patch antenna with pattern diversity is presented. One is a switchable log periodic patch array and four are vivaldi antennas with various forms of reconfiguration. Printed circuit board antennas commercial and hobby antennas. Reconfigurable microstrip patch antenna using mems technology. A frequency reconfigurable monopole antenna using for. Survey on different types of reconfigurable patch antenna. Reconfigurable integrated patch antenna for g band applications. Patch antenna category is a curation of 10 web resources on, patch antenna for apt, experimental patch antenna, the basics of patch antennas. Keywords patch antenna, monopolar antenna, wifi, pin diode, reconfigurable antenna, hfss. The objective of work is to design and develop polarization reconfigurable microstrip patch antennas which radiate electromagnetic wave of various orthogonal patterns i.
Survey on different types of reconfigurable patch antenna for wireless applications 1k. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. Plasma antenna and its array driven by surface wave. The proposed antenna has two patches placed perpendicularly to each other.
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