The proposed antenna consists of a square patch fed along its diagonal line with four parasitic stubs added around its four sides connected by four pin diodes. A lot of work has been carried out frequency reconfigurable micro strip patch antenna for mobile communication standards summarized in 20. When the equivalent capacitance values of the varactors are increased. In the proposed design, a circular patch antenna with circular slot using two pin diodes at the. We use a simple rectangular, half wave long, probefed patch operating in its fundamental mode as an example. A novel reconfigurable circular polarization patch antenna.
Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. Novel frequency reconfigurable slotted patch antenna. Frequency reconfigurability is achieved by connecting an additional small patch to the main patch through a pin diode. Abstracta singlefeed circular microstrip antenna with reconfigurable polarization capability is proposed. The proposed antenna has a simple structure, consisting of a corner. The proposed antenna consists of a rhombusshaped radiator with three excitation lines oriented at different angles. It can switch between two distinct frequency bands, but attains polarization switching only between lhcp and rhcp. Citeseerx document details isaac councill, lee giles, pradeep teregowda. For the novel frequency and pattern reconfigurable yagiuda patch antenna detailed in chapter 4, two slots have been used on driven element to achieve frequency and pattern reconfigurability, and two openend stubs have been used to adjust working frequency and increase bandwidth.
Abstract a compact frequency reconfigurable antenna. A novel frequency reconfigurable antenna using gaas fet. The antenna is composed of a pair of rectangular loops and two parasitic rectangular loops. Sep 01, 2010 a novel reconfigurable microstrip antenna with polarization diversity a novel reconfigurable microstrip antenna with polarization diversity sung, y. Four pin diodes are soldered on the rectangular loops. The diversity in frequency and polarization is achieved through the use of pin diodes. A novel design of microstrip antenna with reconfigurable. Compared with pin or varactor diodes, mems consumes little dc power and have low insertion loss and high isolation.
The basic antenna operates with linear polarization around 3. In this design, an ideal model was used to imitate a pin diode. The entire model is fabricated on single layer roger ro 4350 substrate. A novel reconfigurable microstrip antenna with switchable. Frequencyreconfigurable microstrip patch antennas with. Varactor diode loaded reconfigurable patch antenna with. Polarization reconfigurable patch with perturbations on the patch the structure of the reconfigurable fourpolarization antenna with the perturbations on the patch and its geometrical parameters are plotted in figure 7. In this paper, a novel single feed frequency and polarization reconfigurable microstrip patch antenna is presented. Dualband reconfigurable antenna for polarization diversity. A frequency and polarization reconfigurable microstrip patch antenna for adaptive wireless networks. By changing the states of the pin diodes, the operation of the rectangular loops can change between the left handed circular polarization lhcp and the. The radiation pattern of microstrip patch antenna is the.
Novel reconfigurable microstrip antenna request pdf. All the excitation lines are connected to a common feedline. In the following steps rectangular patch antenna design procedure is given after choosing the its essential parameters such as frequency of operation f r,dielectric constant of the substrate, height of dielectric substrate h. An innovative technique is used in this approach which combines among three techniques namely. In this paper, a novel frequency reconfigurable antenna design and development is proposed for wireless devices. 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. Turning a set of shorting vias on on one side and off on the other side creates a radiating slot with controllable length and location. A novel reconfigurable microstrip antenna with polarization diversity a novel reconfigurable microstrip antenna with polarization diversity sung, y. A quadpolarization and frequency reconfigurable square. A frequency and polarizationreconfigurable circular.
This letter presents the design of a novel patch antenna with frequency and pattern reconfiguration with polarization switching. The basics of patch antennas, updated orban microwave. Here, a novel geometry of dualband polarisation reconfigurable patch antenna is presented. A novel singlefeed circular microstrip antenna with. The proposed prototype design consists of two orthogonal arms as a patch, an inclined slotted asymmetric pentagonalshaped ground plane and a pin diode with a biasing circuit. Wideband to concurrent triband frequency reconfigurable. A novel radiation pattern and frequency reconfigurable single.
A microstrip square patch antenna is designed and analyzed with re configurability in frequency and polarization. Read a novel reconfigurable circular polarization patch antenna, microwave and optical technology letters on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Introduction wireless communication and sensing systems have experienced enormous development over the past two decades. The frequency reconfiguration is achieved by using a pair of pin diodes in the antenna feed line to switch the antenna either in wideband mode or in concurrent triband mode. A novel reconfigurable microstrip antenna with switchable circular polarization abstract.
Pin diodes are used for switching frequency and polarization states. The patch contains two orthogonal slots and two rectangular patches added across the length and width. In this paper, a novel low cost, singlefeed and polarization reconfigurable antenna is designed for midband 5g applications. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. A frequency and polarizationreconfigurable circular cavity. A novel singlefeed circular microstrip antenna with reconfigurable polarization capability abstract.
Frequency reconfigurable microstrip circular patch antenna. A novel single feed frequency and polarization reconfigurable. Reconfigurable microstrip patch antenna using mems technology. It is capable of switching between right hand circular polarization and left hand circular polarization in the frequency band 2. Introduction this article introduces the basic concepts of patch antennas. With a coaxial probe, two orthogonal resonant modes of the square patch antenna are simultaneously excited. The antenna is based on a centerfed circular cavity with switchable shorting vias along its outer edge. This array antenna performance for frequency agility, radiation quality for each polarization and beam steering capability was obtained in the acceptable range. The antenna exhibits the property of change in frequency which results in change in return loss characteristics. A reconfigurable microstrip patch antenna with frequency. A novel frequency reconfigurable slotted patch antenna structure is presented here. Frequency reconfigurable patch antennas have attracted significant attention due to their ability to cover multiple frequency bands 1723. A novel polarization reconfigurable circularly polarized cp antenna is proposed in this paper.
A novel circular polarization cp reconfigurable microstrip antenna is presented. The stub is positioned symmetrically to the left and right of the squarering resonator, and the squarering antenna connected to one of two stubs has a dualband resonance. In this paper, the recently proposed patch antenna with switchable slot pass concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. Novel microstrip patch antennas with frequency agility. Reconfigurable microstrip patch antennas msas received great attention in wireless communication systems due to their capability to vary their operating frequency, pattern and polarization. A frequency reconfigurable antenna is arguably the most.
This letter presents a novel reconfigurable microstrip antenna with switchable circular polarization using a piezoelectric transducer pet. A singlefeed circular microstrip antenna with reconfigurable polarization capability is proposed. The principle and experimental validation of a frequency and polarizationreconfigurable antenna using switching pin diodes is presented in this letter. The reconfigurable antenna is composed of a square radiating patch, four varactor diodes, and two lumped capacitors. The antenna consists of a microstrip feed connected to a circular radiating element divided into three patches which are connected through silicon pin diodes used as switches for achieving reconfigurability as being cheap and easy to implement having high switching capabilities. For the novel frequency and pattern reconfigurable yagiuda patch antenna.
The advantages of slotted ground plane are to omit the dc area and. A novel design of a frequency reconfigurable patch antenna which. A gps polarization reconfigurable patch antenna has been experimentally investigated using rf mems switches. Reconfigurable patch antennas with fourpolarization states. The antenna is a frequency reconfigurable antenna using a pin diode. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. 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. A novel frequency reconfigurable microstrip patch antenna using. Reconfigurable patch antennas with fourpolarization. A novel compact frequency reconfigurable antenna for vhfuhf. A novel reconfigurable microstrip antenna with polarization. The proposed reconfigurable antenna has four patches designed to cover the frequency band from 1. A novel reconfigurable microstrip patch antenna with. This antenna mainly comprises of a corner truncated square patch with a rectangular ring slot, eight pin diodes and six conductive pads.
A frequency and polarization reconfigurable microstrip patch. The antenna comprises of a truncated corner square patch along with two strip lines running parallel to it. A novel reconfigurable microstripfed patch antenna with polarization agility in either of two bands is proposed in this communication. The designed antenna is fed by dual vertical branches at the output port of the ron. Reconfigurable microstrip antennas are gaining much attention due to their numerous. Frequency reconfigurable, microstrip patch antenna, pin diode, return loss, gain, ansys hfss.
A compact frequency and polarization reconfigurable antenna is presented. This paper proposes a novel wideband to concurrent triband frequency reconfigurable microstrip antenna. A frequency reconfigurable printed microstripfed patch antenna is proposed here. Each corner is cutoff from the main patch through a narrow lshaped cut to get polarization reconfigurability. A k band patch antenna with reconfigurable frequency and polarization. Abstract in this paper, a frequency reconfigurable circular antenna design and development is proposed for wireless devices. The design of the antenna consists of a traditional square patch, ground plane with two square slots, and two varactor diodes. By adjusting the bias voltage of the pin switch loaded on the. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50 microstrip feed line. The proposed antenna consists of two parts, a patch with two orthogonal slots on the upper substrate and a 3db hybrid coupler fed structure which printed on the lower substrate.
Novel frequency reconfigurable microstrip patch antenna based. The frequency diversity characteristic of this antenna is realized by placing a pindiode in the middle of a uslot of a microstrip patch. A novel compact frequency reconfigurable antenna for vhf. Novel frequency and patternreconfigurable rhombic patch. They are bringing information to us with convenience and flexibility at low cost. The principle and experimental validation of a frequency and polarization reconfigurable antenna using switching pin diodes is presented in this letter. Dec 20, 2005 the design of a novel reconfigurable microstrip. This antenna has a simple structure, which consists of a radiating circular patch, five switches pin diode, three matching stubs, and a 50.
Two ports are used for switching polarization states. The cp reconfigurable antenna is divided into three layers, composed of an annular radiating patch, ring slot, and reconfigurable orthogonal network ron. Keywords frequency reconfigurable antenna, mobile antenna, yagi uda antenna, patch antenna component. In the last design, the full spherical dual null steering capability of a triple mode circular microstrip patch antenna was investigated. A novel reconfigurable microstrip antenna with frequency and polarization diversities has been designed and fabricated. Citeseerx a novel singlefeed circular microstrip antenna. Polarization reconfigurable microstrip patch antenna for. This paper presents a novel pattern and frequency reconfigurable microstrip antenna that uses switched connections. Novel frequency and patternreconfigurable rhombic patch antenna with switchable polarization abstract. Polarization reconfigurable patch with perturbations on the patch the structure of the reconfigurable four polarization antenna with the perturbations on the patch and its geometrical parameters are plotted in figure 7. The antenna is a frequencyreconfigurable antenna using a pin diode. In this letter, a novel reconfigurable patch antenna with polarization agility is suggested. Frequency reconfigurable patch antenna with bias tee for. A simple design of circularlypolarized cp microstrip antennas with frequency agility is described.
A novel compact size of reconfigurable eshaped microstrip single patch antenna was designed and analyzed for dualband at 3. A novel microstrip patch antenna with both frequency and circular polarization diversities is presented. Polarization diversity between linear polarization lp and right. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property.
In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. A novel polarization reconfigurable circularly polarized. Polarization reconfigurable antenna for midband 5g. Yagi uda shaped frequency reconfigurable microstrip patch antenna is presented.
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