The microstrip rectangular structure as shown in fig. A horizontal azimuth patternreconfigurable antenna with configurable parasitic element arrays for wlan applications is proposed in this paper. Radiation pattern reconfigurable microstrip patch antenna. A novel frequency reconfigurable slotted patch antenna structure is presented. Illustration of geometric shape of reconfigurable patch antenna array. 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. Upon toggling the switch between on and off states, the antenna can be reconfigured 47. A horizontal azimuth patternreconfigurable antenna using. Reconfigurable microstrip patch antenna array with beam shaping. Dwsl reconfigurable antenna arrays are all designed to operate in a compact form factor. A reconfigurable antenna array integrated with rf switches date.
This paper presents a reconfigurable aperturefed patch antenna array for 45 polarizations. Reconfigurable antenna arrays using pixel elements citeseerx. Nov 10, 20 a reconfigurable antenna array integrated with rf switches date. It introduces controllable rf switches on a crossaperture to excite a square patch for two orthogonal polarizations. Meanwhile, the antenna in uses two diodes but the number of reconfigurable cp bands was limited to two. Decoupling techniques coupling coefficient and ecc are critical parameters for mimo antennas. Geometry of the proposed pattern reconfigurable antenna array. In recent years, reconfigurable antennas have received an enormous consideration in the field of wireless communication systems. Design of a simple circularly polarized dualfrequency. Generally, this design consists of the patch antenna elements and the matching lines to feed the network based on trapped line method to obtain total matching impedance of 50. However, the advantages of both the reconfigurable antenna and integrated filterantenna technology have not been fully applied to antenna array applications.
A reconfigurable antenna array integrated with rf switches. The omnidirectional microstrip array is adopted as an exciter, around. Towards software defined antenna for cognitive radio. Sep 01, 20 polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. Reconfigurable antenna array has received a lot of attention in presentday wireless communication systems. Comparative analysis of reconfigurable patch antenna array. Lc based reconfigurable antenna design and simulation figure 2. Citeseerx a reconfigurable microstrip antenna array.
Comprehensive parametric studies were carried out to determine how to design these proposed patch antennas based on their materials dimensions and their geometry. Reconfigurable patch antennas with fourpolarization states. Reconfigurable antenna wikimili, the best wikipedia reader. Reconfigurable microstrip antenna array geometry which. A horizontal azimuth pattern reconfigurable antenna with configurable parasitic element arrays for wlan applications is proposed in this paper. The aperture of the system is made up of a large array of small 110. Frequency reconfigurable log periodic microstrip dipole. Ieee transactions on antennas and propagation to appear 1 abstractin this paper, a compact pattern reconfigurable dualantenna array is designed at 2. Antenna design the unit design is based on a 4x4 antenna array. Polarization reconfigurable aperturefed patch antenna and. Reconfigurable reflectarrays and array lenses for dynamic antenna beam control. Using pra elements is an attractive solution for wideangle scanning. The number of reconfigurable cp bands of both antennas were limited to two, andor many switching diodes were used. A frequency reconfigurable antenna array is introduced.
Reconfigurable microstrip fractal antenna design with line. Two different configurations are studied with dualband behavior. A reconfigurable microstrip rectangular parasitic array antenna. Citeseerx a reconfigurable microstrip antenna array using. Each pixel is a small piston made up of a metal top, a. Reconfigurable rectangular patch antenna array is designed and simulated for bluetooth 2. The recent rapid development of wireless communication systems. The simulation results demonstrate that the antenna can operate in two states and shift the operation frequency band between 22. 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.
Compound reconfigurable microstrip patch antenna array using. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. The 2 x 2 antenna array is designed and investigated. In order to keep them at a low level, the antennas are normally spaced far away from each other 812. Measured results validate the performance improvement in port isolation and cross polarization level. A doublelayer structure, including a driven substrate integrated. Evaluation of modeling accuracy of reconfigurable patch. 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. In this paper presents a reconfigurable of multiple element microstrip rectangular antenna and integration with pin diode switches. Recent developments in reconfigurable and multiband antenna.
The designed antenna operates at the expected 60 ghz 5g frequency band with a central coaxial probe feed. In this study, a simple design of a fourelement circularly polarised dualfrequency reconfigurable microstrip patch antenna array for millimetrewave applications is proposed. In this research, a simple yet effective method to realize a multiband cp antenna with reconfigurable polarization and bidirectional radiation characteristics is presented. The rapid development of wireless communication systems in recent years has created a strong need for the development of new antenna structures. A comparative analysis of various reconfigurable and multiband antenna concepts is presented. A pin diode was used to alter the length of the stub and to change the excitation phase of the patches.
The designed corporate feed concept is used to animate an eight elements linear array of rectangular microstrip patch. Novel frequency reconfigurable slotted patch antenna. Pattern reconfigurable wideband stacked microstrip patch antenna. Example consider a symmetric threeelement dipole antenna array consisting of half wavelength dipole antennas, shown in figure 2.
By changing the state of the loaded switches, the reconfigurable slotring antennaarray is able to operate as an lband slotring antenna or a 2. Reconfigurable microstrip antenna array ijert journal. Pattern reconfigurable antenna array for mimo application. Finally, the proposed antenna obtains reconfigurable cp radiation using only two diodes at three distinct frequencies. The on state represents a short circuit, while the off state exhibits an open circuit. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation. A new method for pattern reconfigurable antenna pra design is introduced on the basis of a twoelement dipole array model in this communication. Feb 11, 2015 this video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. First, single element of rrpa array has been designed and simulated in agilent ads and fabricated for finalizing the array structure.
Design and implementation of reconfigurable microstrip. Enhancement of antenna array performance using reconfigurable. Simple reconfigurable circularly polarized antenna at three bands. The antenna accordingly resonates at a lower frequency band. Polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. The concept is to build patch arrays using individual controllable pixels. The whole structure of the reconfigurable antenna can be divided into three parts shown in figure 3 a, i. In the described antenna a patch was connected to a microstrip line stub shortened to a ground plane. Integration of a 4x8 antenna array with a reconfigurable 2.
This paper proposes radiation reconfigurable patch antenna using feeding delay line technique. Reconfigurable microstrip fractal antenna design in ansys hfss using pin diode new design of microstrip patch antenna using pin diode reconfigurable antenna. The goal of this research is to develop an unconstrained reconfigurable programmable array antenna. The simulation results shows that the proposed antenna array can be successfully used as ultrawide band antenna over. Antenna parameters such as frequency, radiation pattern, and polarization can be reconfigured. The center dipole is connected to 50 ohm transmitter and the. 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. Each reconfigurable phase shifter is enabled by eight rf mems switches and the two 2bit phase shifter together, allow a 6 phase shift in the final design. This paper proposes compound reconfigurable patch antenna using integrated controlled ground modified structure cgms and sub delay feeding network. Request pdf design of a simple circularly polarized dualfrequency reconfigurable microstrip patch antenna array for millimeterwave applications. Pdf reconfigurable microstrip patch slot antenna array.
A reconfigurable microstrip antenna array geometry which utilizes microelectromechanical system mems switches to electrically connect groups of printed patch radiators for operation at multiple frequencies. Towards software defined antenna for cognitive radio networks. Specifically, this design uses two switches with operating frequency at 5. However, the advantages of both the reconfigurable antenna and integrated filter antenna technology have not been fully applied to antenna array applications. Reconfigurable beam steering using circular disc microstrip patch antenna with a ring slot is proposed. Sep 28, 2015 reconfigurable microstrip patch slot antenna array 1. In this paper rectangular patch antenna array and reconfigurable rectangular patch antenna array is designed and simulated for bluetooth 2. The work undertaken is the proposal and simulation of a reconfigurable microstrip antenna array for adaptive base station operating in the umts frequency band. The feed has modulation to prevent a structural stop bands similar to that used in log periodic monopole array 15. In this context, reconfigurable antennas have become very attractive for modem wireless communications because they allow the use of a single antenna for multiple systems. The dualfed antenna can operates on two orthogonal linear polarizations simultaneously and on two orthogonal circular polarizations alternatively by. Reconfigurable antennas synthesis lectures on antennas. Reconfigurable microstrip patch antenna array with beam.
Kochbased antenna size compacting scenario was proposed in iii. Therefore, this dissertation explores how to maximize the antenna array performance using reconfigurable antennas and integrated filterantennas. Design of reconfigurable millimeterwave patch antenna. In the described antenna a patch was connected to a microstrip line stub shortened to a. New radiation patternreconfigurable 60ghz antenna for 5g. Abstractevaluation of frequency reconfigurable patch antennas for multistandard personal communication systems, using pin diodes as switches. Reconfigurable microstrip patch slot antenna array. The basic antenna array is constituted of circular patches adapted with coplanar. Deshmukh vpcoe, baramati, maharashtra, india abstract reconfigurable antenna is an alternative to multiband antenna. 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. This paper introduces a polarization reconfigurable aperturefed 1. The major objective of this study was to design, fabricate and test two kinds of novel reconfigurable antennas. This paper presents a wideangle scanning phased array antenna using high gain pattern reconfigurable antenna pra elements. Pattern reconfigurable wideband stacked microstrip patch.
Simple reconfigurable circularly polarized antenna at. In a pattern reconfigurable patch antenna array was presented for 60 ghz. A continuously frequency reconfigurable slotring antennaarray with switches and varactors is presented first. Reconfigurable koch loop fractal antenna using rf switch.
The sequentially rotated seriesparallel stub approach is employed in the feeding network design to. A polariztion reconfigurable aperturefed patch antenna array. In this work, an electronically scanned array uses reconfigurable microstrip patch antenna elements to vary the phase across the array. The antenna reconfiguration is realized by inserting switches into the slot aperture of the structure. It consists of a control board, a central seriesfed omnidirectional microstrip array, four configurable parasitic elements, a bottom conducting plate, and a top supporting plate. At the early stage of this project, a new frequency reconfigurable antenna design namely aperture coupler reconfigurable stacked patch microstrip antenna acfrspma of structure 1 and structure 2 with different substrate materials was constructed. A novel reconfigurable millimeterwave patch antenna is proposed and simulated by the finitedifference timedomain fdtd method. The antenna can operate with vertical and horizontal polarizations at the same time and hence realize polarization diversity. The antenna is an aperture coupled patch array with meandered feed. These three parts constitute an antenna array with three elements. By adding a polarization switch, the antenna can provide either rhcp or lhcp radiations. Polarization reconfigurable aperturefed patch antenna and array. Frequency tunable microstrip patch antenna using rf mems technology. Kochbased antennasize compacting scenario was proposed in iii.
This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Multiband reconfigurable microstrip patch antenna hemantkumar mane, v. A reconfigurable stacked patch microstrip array antenna. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Design and implementation of reconfigurable microstrip patch antenna for sband applications p. The research described in this thesis introduces the concept of reconfigurable. A reconfigurable aperture structure is realized by placing rf switches on four horizontallyaligned cross apertures of a ground plane. The frequency reconfigurable log periodic microstrip dipole array operated over c,x and ku bands has been designed and simulated by ansys hfss. Antennasthe analysis and design of microstrip antennas and arrays, edited. The usage of wideband reconfigurable antenna array will improve the system performance, achieve wideband and provide the ability to independently adjust the operating frequency based on onoff switching of some parts of the antenna array. Design of a wideband quadpolarization reconfigurable patch.
Design of patch antenna array based on lc in this design, antenna dimensions are determined. Design of pattern reconfigurable antennas based on a two. A novel polarization reconfigurable array antenna is proposed and fabricated. Evaluation of modeling accuracy of reconfigurable patch antennas. Design and development of reconfigurable rectangular patch. It will reconfigure the beam to generates concave focusingbeam. Moreover, the efficiency insertion loss and effectiveness isolation of the switches will dictate the overall performance of the reconfigurable antenna array.
Pdf in recent years, reconfigurable antennas have received an enormous consideration in the field of wireless communication systems. Reconfigurable patch antennas with fourpolarization. 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. Polarization reconfigurable patch array antenna semantic. Wideangle scanning phased array antenna using high gain. A reconfigurable microstrip rectangular parasitic array. May 20, 2019 the antenna in has the smallest size but uses four diodes. The proposed pattern reconfigurable antenna in this paper can be viewed as the degenerated antenna array shown in figure 3 a. Different techniques are used to achieve multiband and wideband operation of antenna. Jul 23, 2019 reconfigurable microstrip fractal antenna design in ansys hfss using pin diode new design of microstrip patch antenna using pin diode reconfigurable antenna with line feeding for project b. First, a new method to realize the reconfigurable 45 polarizations is proposed. Pdf reconfigurable micro strip patchslot antenna array. Design of a wideband quadpolarization reconfigurable.