An analytical model for a frequency reconfigurable rectangularring microstrip antenna is proposed. Sreedhar kumar et al frequency reconfigurable triangular microstrip patch antenna for wireless applications 278 international journal of computer systems, issn23941065, vol. Design of reconfigurable cpwfed slot antenna with frequency. Lossytransmissionline analysis of frequency reconfigurable. In wireless communication, there has been an increase in the number of protocols required to be incorporated in a single device. The presented work is a y slotted mmwave reconfigurable patch antenna, suitable for radar, satellite communications, 5g generation wireless network and millimeter wave energy harvesting. 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. Another frequency band reconfigurable patch antenna is proposed that operate in four different modes with the help of switching elements 4. A novel design approach and simulation of frequency reconfigurable micro strip patch antenna for wifi, wlan and gps applications abstract. Better antennas will produce better coverage, and choosing the right antenna is easy if you understand the fundamentals. Pdf a simple frequency reconfigurable microstrip patch antenna. Single, dual and tripleband frequency reconfigurable antenna. Design of frequency reconfigurable micro strip patch.
In this paper a yagi uda shaped frequency reconfigurable microstrip patch antenna is presented. To meet the requirements, reconfigurable antennas are used. This page covers advantages and disadvantages of microstrip patch antenna. Frequency reconfigurable triangular microstrip patch antenna. A novel design approach and simulation of frequency. In this paper the design of wearable dual band frequency reconfigurable microstrip patch antenna is presented for wireless communication services i. This paper describes the design and performance of a novel frequency reconfigured micro strip patch antenna structure made of three different antennas which are optimized theoretically for various wireless. In thus paper a yagi uda shaped frequency reconfigurable microstrip patch antenna is presented. In the proposed design, a circular patch antenna with circular slot using two pin diodes at the centre. A compact frequencyreconfigurable 36states patch antenna. Dualband frequency reconfigurable microstrip patch antenna. A microstrip patch antenna structure is designed which can adjust its frequencies to support various mobile applications like wifi, wimax and gsm by switching series cantilever. The reconfigurability in frequency is obtained by connecting mems switches in the basic antenna.
Pdf a frequency reconfigurable printed microstripfed patch antenna is proposed in this paper. Compact, frequency reconfigurable, printed monopole antenna. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. The resonant frequencies and input impedance of the reconfigurable antenna are analyzed using a lossytransmissionline ltl model. The proposed reconfigurable antenna has four patches designed to cover the frequency band from 1. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Frequency reconfigurable uwb antenna design for wireless. A microstrip monopole reconfigurable antenna is presented in 11. In order to accomplish that, a miniaturization technique based on the application of chip inductors is used in conjunction with frequency reconfiguration capability. The shape and size of patch determine the frequency of operation of the antenna and its performance.
A frequencyreconfigurable microstrip patch switchable to slot antenna is proposed. Reconfigurable microstrip patch antenna for wlan software. A frequency band reconfigurable antenna is designed and experimentally analyzed. The proposed antenna has been studied in two modes mode i switch off and mode ii switch on. The patch antenna is proposed to tune between two frequencies, i. Design and analysis of a hexaband frequency reconfigurable. The antenna exhibits the property of change in frequency which results in change in return. Pdf design and study of frequency reconfigurable antenna. They are the original type of microstrip antenna described by howell in 1972. Review on frequency reconfigurable antenna for wireless applications. 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. This paper proposes a new design for a frequency reconfigurable multiband antenna based around a slot dipole. In this paper, a wearable frequency reconfigurable dual band microstrip patch antenna is designed on a 1mm thicker textile material, the denim jeans. In a wireless system, the antenna is a decisive component.
Dualband pattern reconfigurable antenna for wireless mimo. It provides links on various topics on microstrip patch antenna. The antenna has applications in bluetooth, wimax, and wlan systems. Apr 12, 2016 a novel frequency reconfigurable patch antenna with two metallic rings around a rectangular patch is presented in this paper. Frequency reconfigurability can be achieved by changing the radiating surface of antenna.
There have been many examples of antennas for sdr and multi frequency and frequency reconfigurable antennas for different applications 12. Moreover, the hexaband frequency reconfigurable antenna for multistandard wireless communication systems using pin diodes is investigated in 15,16,17. There are 2pin diodes used in between the different slots to achieve frequency reconfigurability. This paper presents design and analysis of a low profile, planar and, frequency reconfigurable eshape patch antenna, using a 1. The antenna operates in two singleband and two dualband modes, depending on the status of the two switches. Reconfigurable antennas synthesis lectures on antennas. The microstrip antenna is a standard patch antenna with an inset feed to achieve an input impedance of 50 by varying. A frequency reconfigurable microstrip patch switchable to slot antenna is proposed. It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks. The antenna consists of a microstrip feed connected to a.
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. This antenna is capable of switching to four different frequencies 2. Frequency reconfigurable tshaped microstrip patch antenna. In, a dual band frequency reconfigurable patch antenna is presented for wearable wireless applications i. A frequency reconfigurable antenna is presented with operating frequency as 3. A reconfigurable microstrip antenna with switchable frequency. One patch edge is shorted to the ground plane to reduce the antenna footprint.
In this study, a dualband pattern reconfigurable antenna is proposed for 2. Frequency reconfigurable patch antenna with bias tee for wireless. The chip inductors change the impedance response of the monopole, allowing to reduce the resonant. Frequency reconfigurable patch antenna with bias tee for. Dualband frequency reconfigurable microstrip patch. By simulating the antenna, four frequency bands are achieved 0. Nishant kumar is a record of an original research work carried out by his during 20142015 under my supervision and guidance in partial fulfilment of the requirement for the award of the degree of. Reconfigurable koch loop fractal antenna using rf switch. The frequency tuning was produced by inserting a pin diode and a varactor diode into a meander. Switching between different frequency band is achieved using six rfmems switches. A reconfigurable aperture recap patch antenna with resonant frequencies of 18 ghz and 28 ghz is demonstrated for use in the wideband gapfiller satellite system the antenna is characterized. In this paper, a frequency band reconfigurable microstrip octagonal patch antenna has been simulated and analyzed with four switchable states consisting of four narrow bands. The proposed antenna comprises four pairs of active elements and parasitic elements loaded on pin diodes.
In this paper, the design of a reconfigurable microstrip patch antenna with rf pin diode switches is presented for wlan sdr applications. A simple frequency reconfigurable microstrip patch antenna for. A fluidic channelbased frequency reconfigurable monopole antenna is proposed in, which operates in three modes depending on the filled channels. The fundamentals of wifi antennas technical articles. Advantages and disadvantages of microstrip patch antenna. A miniaturized antenna for multiradio wireless communication was presented in which used pin diodes for achieving reconfigurability.
The objective is to fabricate mems cantilever switches and integrate them into the slots of developed patch antenna structure to enable frequency reconfigurabilit by developing a slotted patch antenna, simulating a cantilever mems switch, fabricating it by transferring cantilever patterns in gdsii format from glass masks onto. This paper describes the design and performance of a novel frequency reconfigured micro strip patch antenna structure made of three different antennas which are optimized theoretically for various wireless applications. Frequencyreconfigurable microstrip patchslot antenna. Wifi communications depend on radio frequency energy that is transmitted and received over antennas. By definition, a printed antenna is one that is fabricated using standard photolithography technique.
The basic antenna consists of two hshaped patch connected to the radiating element, which is connected with a cpw feed. Design of a dual band frequency reconfigurable patch antenna. Reconfigurable microstrip patch antenna for frequency. Conference paper pdf available may 20 with 414 reads. Dec 20, 2017 in this tutorial you will understand the design concepts of cst studio as well as many basic concepts of antenna design. For bodyworn and wearable applications, the antenna is. Octagonal shaped frequency reconfigurable antenna for wifi. Frequency reconfigurable microstrip circular patch antenna for wireless devices ghanshyam singh, mithilesh kumar abstract in this paper, a frequency reconfigurable circular antenna design and development is proposed for wireless devices. A simple frequency reconfigurable microstrip patch antenna for wireless communication. Three pairs of pindiode switches are placed across, the dipole arms.
The most common version of printed antenna is microstrip antenna, which consists of a metallic patch above a ground plane. The goal is set to design a reconfigurable koch curve antenna that can operate at any frequency in the xband as per requirement. A frequency reconfigurable patch antenna design based on the characteristic. This paper highlights the proposed design for a dual band frequency reconfigurable microstrip patch antenna fed through a 50. The proposed wearable antenna is configured to transmit and receive electromagnetic waves at wifi and wimax frequency bands by using optical switches. The measured peak gain and the measured peak efficiency are 4. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Aug 07, 2012 a novel reconfigurable coplanar waveguide cpw fed t shaped patch antenna with frequency diversity is designed and analyzed. Design and analysis of frequency reconfigurable micro. Although the subject of this series of articles is antennas specifically for wifi use, some background information about. The structure of the frequency tunable antenna is composed of a microstrip patch antenna, impedance matching network, transmission feed line, and switching tuning circuit may optical, electronic or mechanical. It is possible to reconfigure the operating frequency of the antenna, by altering the states of the. Oct 25, 2017 in this video, we will design the patch antenna operating at 30ghz 5g band and will draw the antenna, assign the material, make the boundary, add setup and frequency sweep, and finally will plot.
Design of frequency reconfigurable multiband meander antenna. A frequency reconfigurable printed microstripfed patch antenna is proposed here. Jan 20, 2015 reconfigurable microstrip patch antenna for frequency diversity using rf mems. This lecture explores the emerging area of reconfigurable antennas from basic concepts that provide insight into fundamental design approaches to advanced techniques and examples that offer important new capabilities for nextgeneration applications. Frequency reconfigurable microstrip circular patch antenna. Surrounding metallic rings are connected to center patch with switches. A novel frequency reconfigurable patch antenna with two metallic rings around a rectangular patch is presented in this paper. In 3, a novel 9shaped multiband frequency reconfigurable monopole antenna for wireless applications, using 1. Design of a dualband frequency reconfigurable patch antenna. This paper proposes a possible implementation of a compact printed monopole antenna, useful to operate in umts and wlan bands. Frequency reconfigurable slotted patch antenna for mobile.
The antenna is capable of frequency switching at nine different frequency bands between 1. The three antennas being integrated in a proposed structure is operating at various resonant frequencies, 2. The antenna measured operating frequency ranges from 2. The goal of this thesis is to design and analyse the frequency reconfigurable microstrip patch antenna which are mainly the combination of filters and antennas called filtering antennas. Design simulation and fabrication of a dual band frequency. This research presents innovative design of a compact reconfigurable microstrip patch antenna system using different rectangular rings. Frequency reconfigurable antenna using cantilever mems switches. In this application the bandwidth of the planar dipole is approximately 8.
1525 142 1427 1100 573 599 519 1404 909 726 1443 119 1121 1262 364 710 688 1269 682 1497 1010 864 1122 577 1357 69 849 1105 701 1254 1391 606 1007 1190 787 204 1345 872 701 1085 1481