Reconfigurable array antenna using microelectromechanical. The antenna is implemented by using truncated structure, variable pitch angle, a matching stub, and a mechanical autorotation device. Novel reconfigurable microstrip antenna request pdf. Antenna dipole calculator to calculate the dipole current, electric wave, magnetic wave and average radiated power density of antennas. This letter presents a novel reconfigurable microstrip antenna with switchable circular polarization using a piezoelectric transducer pet.
The antenna design consists of three pin diodes which are placed in different positions on the patch. Frequency reconfigurability is achieved by connecting an additional small patch to the main patch through a pin diode. Fundamental structure of the antenna consists of a rectangular patch and a ushaped patch. The novel solution is to design antennas which has multiband, multimode, low profile, low cost and easy to integrate with portable devices. Enter one only one value, the desired frequency or the antenna length in any length field. Coupled frequency reconfigurable stacked patch microstrip antenna frspma integrated with pin diode switch progress in electromagnetics research c, vol. Additional benefits of patch antennas is that they are easily fabricated. Designing of reconfigurable multiband antenna for wlan.
In addition, a novel onwafer antenna pattern measurement technique is demonstrated. Frequency reconfigurability characteristic of this antenna is obtained by. The slots made on the aperture of the antenna are made to orient by making. The longer the resonant length of the patch antenna the lower the resonant frequency becomes. After finding the patch size the antenna feed line should be designed. This antenna is designed on a thin substrate for the application of conformal phased antenna. 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. This tool is designed to calculate the correct dimensions of a microstrip patch antenna if the operating frequency and the dielectric constant of the material used, is known. Frequency reconfigurable microstrip patch antenna and its application in cognitive radio 16 3. The tunability in frequency is achieved by changing the gap between the. Novel frequency reconfigurable microstrip patch antenna. Novel frequency and patternreconfigurable rhombic patch.
Elhajj, a novel frequency pattern reconfigurable microstrip antenna for wlan applications, in proceedings of the 4th european conference on antennas and propagation eucap 10, barcelona, spain. Majid1 1 utmmimos center, fakulti kejuruteraan elektrik, universiti teknologi malaysia, skudai, johor, malaysia 2 wireless. Design of frequency and patternreconfigurable wideband slot. Pasternacks microstrip patch antenna calculator determines the length and width in millimeters of a rectangular patch antenna. Reconfigurable antenna is a novel concept of antenna. A novel radiation pattern and frequency reconfigurable microstrip antenna is introduced in this paper.
A novel reconfigurable millimeterwave patch antenna is proposed and simulated by the finitedifference timedomain fdtd method. For example, frequency reconfigurable antennas are designed using rf mems switches 5,6. Patch antenna category is a curation of 10 web resources on, experimental patch antenna, patch antenna for apt, the basics of patch antennas. Reconfigurable patch antenna for software defined radio. This calculator is designed to give the vertical length height of a particular whip type antenna, or the frequency of it. The basic antenna operates with linear polarization around 3. The rf pin diode from infineon bar 6702v model was used for the design. Novel frequency reconfigurable microstrip patch antenna based on a square slot for wireless devices. N2 this paper presents a novel pattern and frequency reconfigurable microstrip antenna that uses switched connections. Design and analysis of a frequency reconfigurable microstrip. A novel frequency reconfigurable patch antenna is proposed and analysed using the finitedifference timedomain fdtd method. Survey on different types of reconfigurable patch antenna. Reconfigurable microstrip patch antenna using mems.
Chapter 4, two slots have been used on driven element to achieve. Single diode is employed between stubs to make antenna reconfigurable and obtained four resonance at 2. Since the length of the patch has been extended by. Microstrip patch antenna calculator patch antenna formula. The quadband antenna comprised of circular patch, parasitic double tstub, two inverted lstubs. The proposed reconfigurable antenna has four patches designed to cover the frequency band from 1. A microstrip patch antenna is one of the most popular microwave antennas. By different combination of pin diodes singl band, dual band and triple band characteristics can be achieved. This does not take into consideration the type or size of horizontal reflectors, of even if there is a need for them. Design simulation and fabrication of a dual band frequency. Design of reconfigurable millimeterwave patch antenna. The operation of the reconfigurable antenna is illustrated in figure 21.
Introduction microstrip patch antenna arrays are currently used in satellite communications and wireless systems for their attractive. This letter presents the design of a novel patch antenna with frequency and pattern reconfiguration with polarization switching. Abstractan effective design of a novel, compact, single feed, dual patch frequency reconfigurable. A novel compact size of reconfigurable eshaped microstrip single patch antenna was designed and analyzed for dualband at 3. Evaluation of modeling accuracy of reconfigurable patch. The antenna has applications in bluetooth, wimax, and wlan systems. Frequency reconfigurable microstrip patchslot antenna with.
Huff presents a pattern and frequencyreconfigurable microstrip antenna using. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Click on calculate and the opposite value will be displayed in feet and inches or frequency in megahertz mhz. A novel reconfigurable microstrip antenna with switchable. A novel polarization reconfigurable conical helical antenna based on the liquid metal is presented. In this paper we have proposed an innovative design for a reconfigurable micro strip patch antenna for wireless applications. In this paper a frequency reconfigurable antenna with the circular patch is proposed, designed and simulated.
All the excitation lines are connected to a common feedline. In this paper a yagi uda shaped frequency reconfigurable microstrip patch antenna is presented. Reconfigurable antenna with matching network project proposal. Two dielectric perturbers attached to the pets are used to create perturbations for the desired circular polarizations. A novel memsbased frequency tunable rectangular patch. Design of reconfigurable microstrip patch antenna for wlan.
A novel design approach of reconfigurable patch antenna. Frequency reconfigurable tshaped microstrip patch antenna. This antenna is capable of switching to four different frequencies 2. Design of a frequency reconfigurable microstrip patch antenna for. Righthand circular polarization rhcp or lefthand circular polarization lhcp can be produced by pulling down one of the. Reconfigurable microstrip patch antenna using mems technology. 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. A novel design of a frequency reconfigurable patch antenna which has applications in the l band, namely, radars. One set of connections provides a redirected radiation pattern while maintaining a common operating impedance bandwidth with the baseline configuration. This switchable band characteristics is achieved by introducing three pin diodes between the main patch and three parasitic patches. Nanbo jin designed the patch antenna 2 with switchable slot pass. In this paper, a novel polarization and frequency reconfigurable microstrip patch antenna which can switch between vertical and horizontal linear polarizations, left hand and right hand circular. This calculator is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to.
This paper proposes a new design for a frequency reconfigurable multiband antenna based around a slot dipole. The design parameters used in designing the propose d antenna is given below in table i. Novel frequency reconfigurable slotted patch antenna. Blekinge institute of technology bth karlskrona, sweden september 20 supervisor. A liquid metal conical helical antenna for circular. The antenna exhibits the property of change in frequency which results in change in return. The antenna features a circular patch fed using a microstrip line, a shapeoptimized. Microstrip patch antenna mpa for wireless communication. A novel reconfigurable microstripfed patch antenna with polarization agility in either of two bands is proposed in this communication. This link is listed in our web site directory since wednesday sep 19 2012, and till today cantenna calculator has been followed for a total of 4095 times. The experimental results show that a good agreement between simulations and measurements is obtained. Reconfigurable antenna with matching network project. A seriesfed microstrip patch array with interconnecting. About cantenna calculator the resource is currently listed in in 2 categories.
Design of frequency reconfigurable antenna with circular patch. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. A novel frequencypatternreconfigurable microstrip antenna. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Since the two ends of the patch are open, an openend correction is usually taken into account while calculating the physical length l of the patch. Introduction microstrip patch antenna arrays are currently used in satel. There are 2pin diodes used in between the different slots to achieve frequency reconfigurability. Using only one switch and a single patch, the antenna operates at 4.
This patch can be dynamically reconfigured to operate at frequencies separated by about 1. The equivalent circuit model was considered for the design of the antenna. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. Following equations or formula are used for this microstrip patch antenna calculator. In this thesis three different frequency reconfigurable microstrip patch antenna has been proposed for cognitive radio system. A novel reconfigurable patch antenna with both frequency and polarization diversities was studied in 18.
For the novel frequency and pattern reconfigurable yagiuda patch antenna detailed in. A novel reconfigurable patch antenna with parasitic patch. Design and analysis of frequency reconfigurable micro strip. The distance between one point to another adjacent point in a wave is known as the wavelength. The design of a frequency and pattern reconfigurable monopoletype printed antenna is presented in this paper. Reviewarticle memsreconfigurable metamaterials and. The fundamentals of patch antenna design and performance. A novel frequency reconfigurable patch antenna with integrated mems actuators is presented for the first time. Click on calculate and the opposite value will be displayed in feet and inches or frequency. In 3, a novel 9shaped multiband frequency reconfigurable monopole antenna for wireless applications, using 1.
A square patch of side a is printed on rt duroid substrate. This orientation distributes the surface currents in different ways resulting in change of its resonance frequency. T1 a novel radiation pattern and frequency reconfigurable single turn square spiral microstrip antenna. The antenna exhibits the property of change in frequency.
A rectangular ring slot is etched in the patch with outer dimensions l. A novel radiation pattern and frequency reconfigurable single. Abstract in this paper we propose a rectangular microstrip p atch antenna with inset fed which can operate at 2. A novel frequency reconfigurable microstrip patch antenna with circular slot is presented in this paper. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to control the polarization, or for convenient layout. Design of lowprofile microstrip antenna with enhanced bandwidth and reduced. In this paper, a novel frequency reconfigurable microstrip patch antenna with three parasitic patches has been proposed. Single, dual and tripleband frequency reconfigurable antenna. Design of reconfigurable microstrip patch antenna f or wlan application biplab parida 1, abhishek kumar 2, janardan sahay 3 deptt. Three pairs of pindiode switches are placed across, the dipole arms.
A novel frequency reconfigurable slotted patch antenna structure is presented here. When the switch is off the antenna gives a dual band at 2. A frequency reconfigurable antenna is presented with operating frequency as 3. Code to add this calci to your website just copy and paste the below code to your webpage where you want to display this calculator.
Using only one switch and a single patch, the antenna operates at. Pier letters online a novel radiation pattern and frequency. Two different configurations are studied with dualband behavior. In this paper, frequency reconfigurable slotpatch antenna with reflector at the. Pdf a novel radiation pattern and frequency reconfigurable. Harbinder singh, ranju kanwar, malika singh, steering wheel shaped frequency reconfigurable antenna for cognitive radio, harbinder singh et al int. Reconfigurable triband hshaped antenna with frequency.
The microstrip patch antenna calculator determines the length l and width w of a rectangular microstrip patch antenna for a given resonant frequency or vice versa. Survey on different types of reconfigurable patch antenna for. The simulated results indicate that the antenna is capable of. If the dielectric constant of the material is not known, you can choose to put in the velocity of. Frequency reconfigurable microstrip patch antenna for. Microstrip patch antenna calculator electrical engineering. In these works, the operating frequency band is changed by activating or deactivating the rf mems actuators. A novel reconfigurable microstrip patch antenna with.
Compact, frequency reconfigurable, printed monopole antenna. High level system block diagram of reconfigurable antenna with matching network. Abstractevaluation of frequency reconfigurable patch antennas for multistandard personal communication systems, using pin diodes as switches. An independentmultiband antenna, fed by a cpw with finite lateral strips, for wlan applications was. Journal of engineering research and applications, issn. On the other hand, dynamicreconfiguration1217hasbecomeaprimeneedin. A novel radiation pattern and frequency reconfigurable. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. The width of the patch antenna controls the impedance of the patch antenna. Antenna switching between four frequency bands isra nazir, inam elahi rana, noor ul ain mir, and kanwal afreen abstractan e. Each corner is cutoff from the main patch through a narrow lshaped cut to get polarization reconfigurability.
The antenna is loaded with coplanar waveguide cpw stub on which two mems shunt switch with capacitive gap of 1. Frequency reconfigurable microstrip patch antenna with circular slot. The design is performed by using 3d electromagnetic. Single, dual and tripleband frequency reconfigurable.
If we have two nearby patch antennas with small rf switches rmsw201 mems in between. This calculator will help you to calculate the different wavelength of antennas based on the frequency. A novel frequency reconfigurable microstrip patch antenna using. Design and analysis of frequency reconfigurable micro. A frequency reconfigurable monopole antenna using for. A novel multistate integrated rf mems switch for reconfigurable antennas. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. It is possible to reconfigure the operating frequency of the antenna, by altering the states of the.
The slots made on the aperture of the antenna are made to orient by making their axis as reference either in clockwise or anticlockwise direction. A novel miniaturized frequency reconfigurable circular patch antenna with switchable slots in the radiating patch presented in this paper for frequency agility for software defined radio applications. In this paper, a novel frequency reconfigurable antenna design and development is proposed for wireless devices. Coupled frequencyreconfigurable stacked patch microstrip antenna frspma integrated with pin diode switch progress in electromagnetics research c, vol. Enter the desired frequency and select the wavelength. A novel design approach of reconfigurable patch antenna for. The proposed antenna consists of a rhombusshaped radiator with three excitation lines oriented at different angles. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. A novel radiation pattern and frequency reconfigurable microstrip antenna on a thin substrate for wideband and wideangle scanning application by j. A seriesfed microstrip patch array with interconnecting crlh. A novel memsbased frequency tunable rectangular patch antenna. Novel frequency reconfigurable microstrip patch antenna based. The simulation results demonstrate that the antenna can operate in two states and shift the operation frequency band between 22. This paper comprises of a frequency tunable patch antenna on which a ushaped metamaterial structure is designed.
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