Abstract a reconfigurable microstrip patch antenna with rf pin diode switches is. Department of computers and system engineering, azzaytuna university, tarhona, libya. The microstrip rectangular structure as shown in fig. In large phased arrays, reconfigurable antennas could be used to provide additional capabilities that may result in wider instantaneous frequency bandwidths, more extensive scan volumes. A comparative analysis of various reconfigurable and multiband antenna concepts is presented. Also, the proposed antenna has approximately stable radiation patterns and similar gain with and without a defected ground structure in both on.
In the first design an antenna for frequency reconfigurable applications is designed. Design and implementation of reconfigurable antenna. 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. Reconfigurable microstrip patch antenna array with beam. Two ports are used for switching polarization states. The operating frequencies of the proposed reconfigurable antenna are 4.
Polarization reconfigurable patch array antenna request pdf. Reconfigurable integrated patch antenna for gband applications. Index terms active patch,cognitive radio,feeding techniques, gain enhancement, impedance bandwidth, polarization, reconfigurable patch, ultrawide bands. It consists of radiating patch on one side of a dielectric substrate having a ground plane on other side. Pdf a simple frequency reconfigurable microstrip patch antenna. The design and the operation of the active rxtx microstrip patch antenna are considered. In this project, a singlefeed reconfigurable multiband antenna with two patch elements on a planar structure is proposed. This tunable waveguide network is used to feed an aperture stacked patch array, forming the final mechanically reconfigurable linear array. A reconfigurable siw filter and reconfigurable patch antenna were integrated using the multilayer technique into a single structure in order to realize the integration technique. Switches can be mounted over these slots to obtain different resonant frequencies. The pattern is reconfigurable in four directions without any servo system. Initially two rectangular patches were designed, one for each desired frequency. The electrical length of the conductor is changed using pin diodes and the resonance of antenna is shifted from 4.
Rectangular patch microstrip array in this paper we have designed the 8elements rectangular patch microstrip array antenna, as shown in fig. The objective of work is to design and develop polarization reconfigurable microstrip patch antennas which radiate electromagnetic wave of various orthogonal patterns i. For the novel frequency and pattern reconfigurable yagiuda patch antenna detailed in. Kuband reconfigurable mems antenna on silicon substrate. Reconfigurable antennas jennifer lyn truman bernhard. Layout of the patch antenna array with marked regions with uniform and nonuniform power distribution. Reconfigurable microstrip patch antenna using mems technology. Ali also held a visiting appointment at the motorola corporate eme research laboratory in plantation, florida in the summer of 2004. Recent developments in reconfigurable and multiband.
Survey on different types of reconfigurable patch antenna for wireless applications 1k. Mechanically reconfigurable linear array antenna fed by a. Mohammod ali is a professor in the department of electrical engineering at the university of south carolina usc. Frequency reconfigurable antenna designs using pin diode. In order to provide a dynamic response, reconfigurable antennas integrate an inner mechanism that enable the intentional redistribution of the rf currents over the antenna surface and produce reversible modifications of its properties. Two cslots are employed on the patch elements for excitation of the multiband mode. Reconfigurable antenna and rf circuits using multilayer. A wideband filtering patch antenna is investigated in this paper. Specifically, this design uses two switches with operating frequency at 5. A compact frequency and polarization reconfigurable antenna is presented. A novel frequencyreconfigurable patch antenna is proposed and analysed using the finitedifference timedomain fdtd method.
Although only one feed is used with the present configuration, a provision was made for separate. Design and implementation of reconfigurable microstrip. Reconfigurable antennas differ from smart antennas because the reconfiguration mechanism lies inside the antenna. The patch elements have a separation of onehalf wavelength, and are printed on.
Mmp7000 series from aeroflex corporation, which requires around 3 ma of. 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. The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes.
Three switches are positioned in the slot thus produces six reconfigurable frequency bands. Types of adaptive antennas an adaptive antenna is an antenna that modifies its receive or transmit characteristics in order. Chapter 4, two slots have been used on driven element to achieve. Here, our work was to carefully associate the previously designed quasilumped hybrid coupler and a patch antenna resonating at 3. Jun 19, 2018 a corporate waveguide feeding network with several tuning screws has been designed. The proposed antenna has two patches placed perpendicularly to each other. The width for each was held constant but calculated based upon 1. Pin diodes are used for switching frequency and polarization states. 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.
Omnidirectional microstrip patch antenna with reconfigurable pattern and polarisation. Pattern and frequency reconfigurable slot antenna has been obtained. The most common type of microstrip antenna is the patch antenna. Survey on different types of reconfigurable patch antenna. The patch antenna is fed by an fshaped probe, which consists of one upper and two lower horizontal arms, as well as a vertical arm that connects them. Survey on different types of reconfigurable patch antenna for. The designed antenna operates at the expected 60 ghz 5g frequency band with a central coaxial probe feed. Reconfigurable sband patch antenna system for cubesat satellites article pdf available in ieee aerospace and electronic systems magazine 315.
Antennas using patches as constitutive elements in an array are also possible. In this paper presents a reconfigurable of multiple element microstrip rectangular antenna and integration with pin diode switches. This paper introduces a polarization reconfigurable aperturefed 1. A progression of parametric study was done to get that how the features of the antenna depends on dimensions and material of geometry. This design of the dcbias network is extremely simple. Theory, applications and design, van nostrand reinhold company. 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. New radiation patternreconfigurable 60ghz antenna for 5g. A patch antenna is a narrowband, widebeam antenna fabricated by etching the antenna element pattern in metal trace bonded to an insulating dielectric substrate, such as a printed circuit board, with a continuous metal layer bonded to the opposite side.
Pier online reconfigurable microstrip patch antenna with. Upon toggling the switch between on and off states, the antenna can be reconfigured 47. Design and performance issues of microstrip antennas. A filtering patch antenna with reconfigurable frequency and bandwidth using fshaped probe abstract. Four square radiating patches are excited through these apertures by the 1. The performance parameters of the standard and reconfigurable antenna with various feeding mechanisms are summarized in tableii. The direction of radiation pattern is newly controlled by interchanging two different lengths of corporate feeding network based on dedicated switches states of feeding line network. Reconfigurable sband patch antenna system for cubesat satellites. For example, reconfigurable antennas on portable wireless devices can help to improve a noisy connection or redirect transmitted power to conserve battery life.
In this study, it is observed that frequency diversity can obtained by. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. The antenna comprises of a truncated corner square patch along with two strip lines running parallel to it. A novel frequency reconfigurable slotted patch antenna structure is presented here. Reconfigurable beam steering using circular disc microstrip patch antenna with a ring slot is proposed. Reconfigurable c and ku band antenna using duelpatch. The 2 x 2 antenna array is designed and investigated. It consists of a square radiating patch and a 3 db hybrid coupler.
Design of reconfigurable integrated substrate integrated. The antenna design is based on having pairs of symmetrical slots to form branches. Typically, a reconfigurable patch antenna consists of a number of separate metalized. Pdf a reconfigurable microstrip antenna with switchable frequency is proposed. A reconfigurable aperture structure is realized by placing rf switches on four horizontallyaligned cross apertures of a ground plane. The schematic of the reconfigurable patch antenna with inset feeding is shown in fig. Reconfigurable antenna and rf circuits using multilayer stretchable conductors by riaz ahmed liyakath a thesis submitted in partial fulfillment of the requirements for the degree of master of science in electrical engineering department of electrical engineering college of engineering university of south florida. Using only a singlepolardoublethrow spdt switch,the polarization switching can be achieved.
Reconfigurable integrated patch antenna for g band. Five different reconfigurable printed antennas for different applications are designed during the study of this thesis. Novel pattern reconfigurable antenna arrays using engineered. A filtering patch antenna with reconfigurable frequency. Frequency reconfigurable uwb antenna design for wireless. Reconfigurable antennas for wireless communications. Magnetically reconfigurable pixelated antenna pal 2019. Reconfigurable, circularly polarized and scanning antennas. A single microstrip feeding line is used to feed both patches. Reconfigurable microstrip patch antenna for wlan software defined. Design and validation of an equivalent circuit with the varactor diode is presented to study the tunable mechanism. A frequency band reconfigurable antenna is designed and experimentally analyzed. Design of reconfigurable microstrip patch antenna for wlan. Reconfigurable microstrip patch antenna array with beam shaping.
Reconfigurable notch band antenna for uwb application. In this paper, a printed patch antenna operating around 2. Design of frequency reconfigurable patch antennas with defected. A novel miniature hexagonal shape switched pattern and. Polarization reconfigurable microstrip patch antenna is presented for 2. The antenna is a corporate fed microstrip patcharray centered at 1.
Our patch antenna was designed based upon an ideal rectangular patch antenna. Design and implementation of reconfigurable microstrip patch. It will reconfigure the beam to generates concave focusingbeam. In this paper a compact reconfigurable antenna with switchable slot is designed and proposed, the slot is etched on the rectangular patch and inclusion of pin diode which is used to switch the slot in on and off states, the patch is fed by a probe coaxial 50. Electromagnetics laboratory radiation patterns yagiuda antenna dipole cylinders directional radiation pattern. A new reconfigurable microstrip patch antenna allowing switching between two circular polarizations is proposed. The entire model is fabricated on single layer roger ro 4350 substrate. In this section, well discuss the microstrip antenna, which is also commonly referred to as the patch antenna. Novel pattern reconfigurable antenna arrays using engineered metamaterials and microfluidic principles by ahmad a.
Gheethan a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy department of electrical engineering college. The rectangular patch antenna is analyzed, and what is learned here will be applied to understanding pifas planar invertedf antennas. The designed corporate feed concept is used to animate an eight elements linear array of rectangular microstrip patch. The paper presents an innovative antenna structure by incorporating a reconfigurable planar array antenna with parasitic elements, in which it comprises of two truncated rhombuslike slotted patch. This paper proposes radiation reconfigurable patch antenna using feeding delay line technique. A polariztion reconfigurable aperturefed patch antenna. The proposed antenna has a simple structure, consisting of a square. Introduction in the field of wireless communications, a very important development is the integration of different applications including cellular phones, satellite communications and wireless local area networks. Reconfigurable integrated patch antenna for g band applications.
Phase shifter design based on reconfigurable defected microstrip. Design of reconfigurable microstrip patch antenna f or wlan application biplab parida 1, abhishek kumar 2, janardan sahay 3 deptt. The designed antenna is fabricated, and its performance is proved using quantifications. 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. Antenna substrate, ground, patch switches on parasitic elements change patternfrequency.
Performance analysis of corporate feed rectangular patch. The proposed antenna is consisted of a radiating circular patch with a slot underneath the circular patch. For design of reconfigurable antenna we use microstrip patch antenna. Design of reconfigurable multiband microtstip patch. Microstrip antennas are planar resonant cavity that leak from their edges and radiate em waves. The gain of these antennas is between the ranges between 8dbi to 20dbi.
Novel frequency reconfigurable slotted patch antenna. Pin diodes are used to achieve the switching between the patches, resulting in. In this study, it is observed that frequency diversity can obtained. The major objective of this study was to design, fabricate and test two kinds of novel reconfigurable antennas. In this paper, these design concepts have been classified into three basic approaches. The top right half of the hplane subarray with two types of series feeding. Radiation pattern reconfigurable microstrip patch antenna. Gheethan a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy department of electrical engineering college of engineering university of south florida. Keywords reconfigurable antenna, frequency diversity, patch antenna, switchable slot i. We use the cavity model to explain the operation of the patch antenna. Frequency tunable microstrip patch antenna using rf mems technology.