Also we have good scope to select appropriate feed position on larger patch area in order to achieve desired input impedance, ra. Reconfigurable antenna has a potential to add some functionality to. Microstrip monopolar patch antenna for bandwidth enhancement. Design and implementation of reconfigurable microstrip. What is the difference between a patch antenna and.
Researcharticle frequency reconfigurable circular patch antenna with an arcshaped slot ground controlled by pin diodes yaochen,1 longfangye,1 jianliangzhuo,1 yanhuiliu,1 liangzhang,1. However, the bandwidth of the proposed antenna is less than 3%. By controlling the onoff states of the five pin diodes mounted on the arcshaped slot, the effective length of the arcshaped slot and the effective length of antennas current are changed, and accordingly six. Reconfigurable monopolar patch antenna researchgate. Four open stubs are attached to the rectangular patch through four pin diodes, and the ability of switching the antenna operating frequency is achieved by using dual inline package switches to control the states of the. By introducing patches of koch loop shapes, the antenna with different radiation patterns were formed using rf switches to. Four open stubs are attached to the rectangular patch through four pin diodes, and the ability of switching the antenna operating frequency is achieved by using dual inline.
The proposed frequency reconfigurable antenna is based. The silicon radiator is activated with the aid of highly dense solidstate plasma by injecting carriers into the. Schauberts patent frequencyagile, polarization diverse microstrip antenna and frequency scanned arrays in 1983. Reconfigurable microstrip patch antenna using mems. Reconfigurable monopolar patch antenna ieee xplore. Design and simulation of reconfigurable monopolar antenna. Reconfigurable antennas and rf components at millimeter. A frequency reconfigurable dipole antenna based on a silicon radiator is presented. Compact size, patch antenna, polarization reconfigurable, pin diodes. An effective design of a novel, compact, single feed, dual patch frequency reconfigurable microstrip patch antenna mpa for wireless communication systems is proposed and studied in this paper. Electrical and electronics engineering department, university of tripoli, tripoli, libya.
Abstract in this paper we propose a rectangular microstrip p atch antenna with inset fed which can operate at 2. Department of computers and system engineering, azzaytuna university, tarhona, libya. A concept of a lowprofile monopolar antenna operating in two independently reconfigurable frequency bands is introduced in this paper. Four open stubs are attached to the rectangular patch through four pin diodes, and the ability of switching the antenna operating frequency is achieved by using dual inline package switches to control the states of the diodes. Frequency reconfigurable circular patch antenna with an arc. The antenna comprises of a centerfed circular patch surrounded by four sectorshaped patches. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Abstractevaluation of frequency reconfigurable patch antennas for multistandard personal communication systems, using pin diodes as switches. In this paper, a new pattern reconfigurable microstrip uslot patch antenna using eight pin diodes is proposed. A gridslotted patch with two tunable varactors is placed on the top layer, a microstrip line is placed in the middle of two substrates. Forum for electromagnetic research methods and application. Pdf a novel frequencyreconfigurable antenna is presented based on a circular monopolar patch antenna. Survey on different types of reconfigurable patch antenna for wireless applications 1k. Design rectangular patch antenna using hfss part 1 duration.
An electrically small cpw fed frequency reconfigurable. A frequencyreconfigurable dualband lowprofile monopolar. Frequencyreconfigurable lowprofile circular monopolar. A frequency reconfigurable meandered slot cut rectangular. Lukfrequency reconfigurable lowprofile circular monopolar patch antenna ieee trans antennas propag, 62 2014, pp. Introduction mobile communication has become an important part of our daily life. A frequencyreconfigurable microstrip patch switchable to slot antenna is proposed. The proposed antenna has a rectangular patch with two shorting pins. A single probefed reconfigurable monopolar patch antenna with frequency diversity is presented. Eight varactor diodes are introduced to bridge the gaps between the circular patch and the sectorshaped patches. Wideband polarization reconfigurable circularly polarized. By using different reconfiguration of patch we got different result of gain, bandwidth and efficiency.
A singlefeed reconfigurable squarering patch antenna with pattern diversity is presented. A reconfigurable monopolar patch antenna has been reported in 14, which capable to reconfigure up to eight different frequency bands using four pin diodes. Switches can be mounted over these slots to obtain different resonant frequencies. The objective of work is to design and develop polarization reconfigurable microstrip patch antennas which radiate electromagnetic wave of various orthogonal patterns i. Due to rapid growth of technology, the requirement of an antenna with less height for mobile phones contributes a huge challenge 1 2. In addition, the antenna yields narrow bandwidth with minimum variation in gain, hence used for 4g and 5g technologies. Reconfigurable microstrip patch antenna a schematic view of the proposed antenna is plotted in figure 1.
The antenna was switched to different modes by controlling the states of the diodes. A novel reconfigurable log periodic patch array has been proposed by inserting switches within the aperture slots coupling the patches to the feed line. Evaluation of modeling accuracy of reconfigurable patch. Two shorting walls were controlled by the pin diodes and another two were directly connected to the patch. Pin diodes are used to achieve the switching between the patches, resulting in. Switchable linearly polarized broadside and conical radiation patterns are achieved by systematically integrating a wideband lowprofile monopolar patch antenna with a wideband lprobe fed patch antenna. Reconfigurable microstrip patch antenna using mems technology. The antenna consists of two stacked substrates and three metal layers. A lowprofile frequency reconfigurable gridslotted patch antenna. Multiband reconfigurable microstrip patch antenna hemantkumar mane, v. Another design that used the similar method has been done by 15. Frequency reconfigurable stepped impedance dipole antenna.
The antenna generated omnidirectional radiation patterns with a reduced height of 0. Reconfigurable monopolar circular patch antenna for. In addition, the two modes are designed to resonate in similar frequency ranges. A compact uwb monopole patch antenna with reconfigurable band. Reconfigurable integrated patch antenna for g band applications. Design and simulation of reconfigurable monopolar antenna for. The proposed tunable antenna made of a slotted rectangular patch loaded by a number of posts close to the patch edge. Pentagon slot resonator frequency reconfigurable antenna for. A progression of parametric study was done to get that how the features of the antenna depends on dimensions and material of geometry. A wideband mode and three narrow band modes of reconfiguration are demonstrated, when groups of patches were selected within the array.
A frequency reconfigurable dipole antenna with solidstate. Reconfigurable monopolar patch antenna iet journals. Eight varactor diodes are introduced to bridge the gaps between the. An electrically small cpw fed frequency reconfigurable antenna. Eight varactor diodes are used to bridge the gaps between the. To achieve reconfigurability, the antenna requires the.
A dualfrequency broadband design of coupledfed stacked microstrip monopolar patch antenna for wlan applications. A novel frequency reconfigurable antenna is presented based on a circular monopolar patch antenna. Bandwidth enhancement of microstrip patch antenna using. A wideband circularmonopolar patch surrounded by eight reconfigurable coupling loop stubs can generate conicalbeam radiation patterns with different polarizations. A novel design of reconfigurable monopole antenna for uwb. Reconfigurable antennas are an integral part of such systems as they can control polarization, frequency, radiation pattern, or characteristic. Keywords patch antenna, monopolar antenna, wifi, pin diode, reconfigurable antenna, hfss. Reconfigurable integrated patch antenna for gband applications. 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. When the equivalent capacitance values of the varactors are increased. Survey on different types of reconfigurable patch antenna. Reconfigurable squarering patch antenna with pattern diversity abstract.
Pentagon slot resonator frequency reconfigurable antenna. A single microstrip feeding line is used to feed both patches. The proposed antenna has two patches placed perpendicularly to each other. Design and implementation of reconfigurable microstrip patch antenna for sband applications p. 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.
A circular monopolar patch antenna, fed from center and surrounded by four sectorshaped patches, is presented in 2. Tripleband reconfigurable lowprofile monopolar antenna with. Survey on different types of reconfigurable patch antenna for. This paper introduces a polarization reconfigurable wheelshaped antenna with wide bandwidth and conicalbeam radiation pattern. Dual feed pattern reconfigurable antenna for wireless. Reconfigurable squarering patch antenna with pattern. A simple design of circularlypolarized cp microstrip antennas with frequency agility is described. Frequency reconfigurable stepped impedance dipole antenna for.
An additional resonance is introduced by the crr to broaden the bandwidth. 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 microstrip patch antenna for wlan. Reconfigurable koch loop fractal antenna using rf switch. Reconfigurable monopolar patch antenna electronics. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed.
Nanbo jin designed the patch antenna 2 with switchable slot pass. A single probefed reconfigurable monopolar patch antenna with fre quency diversity 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 currents over the. 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. In this paper, a compact frequency reconfigurable circular patch antenna with an arcshaped slot loaded in the ground layer is proposed for multiband wireless communication applications. Parametric studies were conducted to illustrate the working principle of the proposed antenna. Instead of using vias, varactorloaded stubs are utilized to create reconfigurable equivalent shorting points. Due to the increased width thus area we can achieve good radiation efficiency. Lukfrequencyreconfigurable lowprofile circular monopolar patch antenna ieee trans antennas propag, 62 2014, pp. Another frequency and pattern reconfigurable antenna with combined monopole and patch antennas was proposed in 60. A frequency reconfigurable monopole antenna using for. Frequencyreconfigurable microstrip patch antennas with.
The concept of reconfigurable antenna firstly appeared in d. Ieee antennas and wireless propagation letters,15, 12891292. Introduction reconfigurable antenna is an emerging area of research as it. Based on the proposed omnidirectional cp antenna, a polarization reconfigurable antenna was designed. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. Design of reconfigurable microstrip patch antenna f or wlan application biplab parida 1, abhishek kumar 2, janardan sahay 3 deptt. A lowprofile frequency reconfigurable gridslotted patch. Reconfigurable microstrip patch antenna for wlan software.
For the lower band, the design utilizes a centerfed patch. Design and implementation of reconfigurable microstrip patch. The antenna is based on a shorted monopolar patch surrounded by multiple curved branches and it is proximity. Frequency reconfigurable circular patch antenna with an. 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. Eight shorting posts are implemented around the patch to change the operating mode of the antenna from monopolar patch mode to normal patch mode. The antenna design is based on having pairs of symmetrical slots to form branches. A wideband, patternreconfigurable antenna is reported that is, for example, a good candidate for ceilingmounted indoor wireless systems. Modeling of pin diode in hfss and frequency reconfigurable antenna. Evaluation of modeling accuracy of reconfigurable patch antennas. Oct 05, 2016 modeling of pin diode in hfss and frequency reconfigurable antenna. With a coaxial probe, two orthogonal resonant modes of the square patch antenna are simultaneously excited. This paper presents a wideband reconfigurable circularly polarized cp antenna with omnidirectional radiation pattern. In this paper, a printed patch antenna operating around 2.
Reconfigurable integrated patch antenna for g band. A novel frequencyreconfigurable antenna is presented based on a circular monopolar patch antenna. Tripleband reconfigurable lowprofile monopolar antenna. Reconfigurable antenna is an emerging area of research as it helps in increasing the system capacity and realizing multiple functions. Wideband patternreconfigurable antenna with switchable. Mar 12, 2019 this paper presents a wideband reconfigurable circularly polarized cp antenna with omnidirectional radiation pattern. The antenna has distinct monopolar and broadside radiation patterns at its lower and upper bands, respectively, and a previous realization only allowed simultaneous tuning of the. Compared with the mpa without the crr, the bandwidth of the proposed antenna. Recent developments of reconfigurable antennas for current and. Frequencyreconfigurable lowprofile circular monopolar patch. To achieve reconfigurability, the antenna requires the use of some rf switching devices, such.
Two different configurations are studied with dualband behavior. Different techniques are used to achieve multiband and wideband operation of antenna. The microstrip rectangular structure as shown in fig. The reconfigurable antenna is composed of a square radiating patch, four varactor diodes, and two lumped capacitors. The pin diodes are used to connect main patch to four different sizes of small patches. Deshmukh vpcoe, baramati, maharashtra, india abstract reconfigurable antenna is an alternative to multiband antenna. Polarization reconfigurable wheelshaped antenna with.
A compact planar monopole elliptical uwb antenna with a microstrip bandstop filter using a slottype splitring resonator stsrr is analyzed and. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. A new reconfigurable koch loop fractal antenna model has been proposed and its properties discussed using hfss software. The antenna is based on the concept of a centerfed patch with shortings to achieve omnidirectional radiation patterns.
The patch version was figured using the first order koch loop. The antenna is capable of frequency switching at nine different frequency bands between 1. Reconfigurable delay lines with splitring resonators. Using only one switch and a single patch, the antenna operates at 4. A significant number of reconfigurable antennas incorporating switch, both switching in or out parts of the antenna structure and switching between external matching. This paper presents a novel lowprofile high gain frequency reconfigurable patch antenna with unidirectional radiation pattern by using a gridslotted patch with tunable varactors loading.
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