A quadpolarization and frequency reconfigurable square. Recently, a polarization diversity slot antenna with switchable frequency has been reported. The design of a novel reconfigurable microstrip patch antenna with frequency and polarization diversity functions is presented. Survey on different types of reconfigurable patch antenna. With appropriate steering, this enables a single antenna to provide full spherical. This tunable hybrid can be used to feed a patch antenna via orthogonal slots etched in its ground plane. 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. A wideband polarization reconfigurable antenna array based on. A novel reconfigurable microstrip antenna with polarization. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. Polarization diversity among linear polarization lp, right hand circular. It can switch between two distinct frequency bands, but it performs polarization. The polarization diversities among linear polarization lp, right.
Furthermore, in 15 an attractive design approach guaranteeing both. Polarization diversity article about polarization diversity. Polarization reconfigurable capability has been successfully added to a conventional eshaped patch antenna. Reconfigurable microstrip patch antenna using mems technology. An electronically reconfigurable patch antenna design for. By turning the diodes on or off, this antenna can radiate with either right hand circular polarization rhcp or left hand circular. Polarization reconfigurable patch antenna with a continuously. Microstrip antenna with an arc parasitic unit is analyzed, and a circular polarization reconfigurable microstrip antenna is designed.
Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. In recent years a reconfigurable patch antenna becomes important issue in wireless and satellite communication systems, because it can operate frequency and polarization diversity using pindiodes switching 15. A new method for the development of polarisation reconfigurable omnidirectional antennas is presented. A tunable microstrip patch antenna with switchable polarization. Frequency reconfigurable log periodic microstrip dipole. An antenna s linear polarization is generally along the direction as viewed from the receiving location of the antenna s currents when such a direction can be defined.
Polarization diversity in an antenna system has received much attention in the. Reconfigurable microstrip antenna with polarisation diversity. Recent developments of reconfigurable antennas for current and. Ashish kumar sahu is a record of an original research work carried out by his during 20142015 under my supervision and guidance in. The proposed antenna can produce left hand circular polarization or right hand circular polarization according to the on. An omnidirectional microstrip patch antenna, capable of reconfiguring both polarisation and radiation pattern is proposed. A quadpolarization and frequency reconfigurable square ring. It operates with two orthogonal 45 slanted linear polarisations and can produce two dipolelike radiation patterns, providing 360 coverage in either the horizontal or elevation plane.
Reconfigurable rhombus shaped patch antenna with yshaped feed for polarization diversity 10 is proposed by modes on rhombus shape patch antenna in which the antenna become asymmetrical structure. A design of stacked squarering patch antennas with quadripolarization diversity is proposed. Reconfigurable microstrip antenna with polarisation. By controlling the onoff status of the two switches, the polarization of the antenna can be switched between two states. Study of frequency and polarization reconfigurable on square.
Us93975b1 wideband planar reconfigurable polarization. Eshaped patch antenna with reconfigurable circular. Polarization reconfigurable patch antenna for wireless sensor. Polarization diversity is one of the antenna diversity techniques. Frequency and polarization reconfigurable antenna for airborne application sachin jain1, 1sivarami reddy1, pummy ratna, usha p. Antenna gain of the reconfigurable antenna is very comparable to its standalone degenerate mode patch for circular polarization and single mode for linear polarization counterparts. The frequency and polarization diversity with single patch and single feed produces a simple structure, small size, and low cost for. Research of design and simulation of polarized reconfigurable. Kishore kumar department of electronics and communications national institute of technology, tiruchirappalli620 015, tamil nadu, india. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. Reconfigurable microstrip patch antenna for frequency. The microstrip patch antenna is designed and optimized in such a way that interconnection between patches tuned antenna from higher to lower frequency. It consists of a square patch of side a printed on rt duroid substrate of.
Phase shifter design based on reconfigurable defected microstrip. Radiation and frequency reconfigurable antenna in general, most antennas are capable of either frequency or pattern reconfigurability. The proposed switchable antenna is composed of a coaxially fed corner. A reconfigurable triangular patch antenna with polarization diversity is proposed. Reconfigurable microstrip patch antenna for frequency diversity using rf mems. Development of polarisation reconfigurable omnidirectional. Polarization diversity can be an issue in effectively addressing the multipathfading effects in modern wireless. Ieee antennas and wireless propagation letters 16, 16391642, 2017. Recent developments in reconfigurable and multiband antenna. At the two rf ports an impedance transformer matches the 50. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. Three coaxial feed points are provided for three operational frequencies. Two orthogonal slots are incorporated into the patch and two pin diodes are utilized to switch the slots on and off. Reconfigurable patchantenna design for wideband wireless communication system, iet microwave antennas propagation, vol.
Polarization is predictable from an antenna s geometry. Dualband reconfigurable antenna for polarization diversity. Research article polarization reconfigurable patch antenna for wireless sensor. Research article polarization reconfigurable patch antenna. Design of polarization diversity patch antenna based on a compact.
On the other hand, in radar applications, reconfigurability at antenna level is. The polarization reconfigurable antennas can switch the polarization. Survey on different types of reconfigurable patch antenna for wireless applications 1k. Such antennas can facilitate multiple services in a compact. Review on types of reconfigurable antenna 39965 by editor. 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.
Novel frequencyand patternreconfigurable rhombic patch antenna with switchable polarization yp selvam, l elumalai, mgn alsath, m kanagasabai, s subbaraj. A k band patch antenna with reconfigurable frequency and polarization properties is proposed by benjamin rohrdantz et al. Sep 01, 2010 in this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. A mechanically reconfigurable patch antenna with polarization diversity. This paper focuses on the frequency reconfigurable antennas. The proposed configuration is simple and easy to implement for polarization diversity antennas.
Introduction here we design the microstrip patch antenna with polarization reconfigurable in which single antenna 1 act as number of antennas by using patch rotation technique. A 77 ghz polarization reconfigurable patch antenna employing radio. A comparative analysis of various reconfigurable and multiband antenna concepts is presented. A uslot inserted into the square patch and a pin diode are. The design of a novel reconfigurable microstrippatch antenna with frequency and polarizationdiversity functions is presented. A novel single feed frequency and polarization reconfigurable. A reconfigurable microstrip patch antenna with switchable circular polarization using a piezoelectric transducer pet is reported in 11. The concept of reconfigurable antenna is widely used as an additional feature of reconfigurable ability for future wireless. Pin diode can be used to achieve reconfigurability by placing it within the slot. In order to obtain polarization reconfigurability, several patch antenna. A comparative study on polarization reconfigurable. Reconfigurable patch antenna for polarization diversity article in ieee transactions on antennas and propagation 569. Introduction here we design the microstrip patch antenna with polarization reconfigurable in which single antenna1 act as number of antennas by using patch rotation technique.
Microstrip patch antenna is a resonant microstrip patch antenna. A reconfigurable patch antenna using switchable slots for. A novel design of a microstrip patch antenna with switchable slots pass is proposed to achieve circular polarization diversity. In 45,46, two designs of polarization reconfigurable patch antennas of. A comparative study on polarization reconfigurable circular. By switching onoff four pin diodes for each crosseddipole element, three types of polarisation reconfigurable omnidirectional antennas are realised, including vertical or horizontal polarisation. A slot is etched on a patch, and a pin diode is utilized to switch the slot on and off, which realizes the frequency diversity characteristic. Using only one switch and a single patch, the antenna operates at. Ashish kumar sahu 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. The results show that the frequency channels of the antenna are2. Nanbo jin designed the patch antenna 2 with switchable slot pass. Reconfigurable circular microstrip patch antenna with.
Microstrip antennas with frequency agility and polarization diversity, ieee transactions on antennas and propagation,vol. Reconfigurable microstrip patch antenna with switchable polarization. Reconfigurable microstrip patch antenna using mems. 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. May 14, 2015 consequently, by controlling the state of the switches either on or off, the polarization excites by the antenna can be reconfigured between three type of polarization modes, either lefthand circular polarization, righthand circular polarization or linear polarization. Numerical simulation is performed for the characteristics of the antenna with the software hfss. A single antenna can be operated over three different sub bands. A reconfigurable stacked microstrip patch antenna for. In radio engineering, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. Due to their attractive advantages such as multiband function, steerable radiation patterns and polarization diversity, which can reduce the size, complexity, and cost of an antenna while improving the total performance of a radio frequency rf system, reconfigurable antennas have been studied intensively in recent years 1,2. A square patch of side a is printed on rt duroid substrate. The proposed antenna using four triangleshaped elements to simultaneously achieve good impedance match for circular and linear polarization. This paper presents a polarization reconfigurable patch antenna with an.
A tunable microstrip patch antenna with switchable. Recent developments in reconfigurable and multiband. Reconfigurable koch loop fractal antenna using rf switch. Verma1 1advanced systems laboratory, drdo hyderabad, india sachinjain. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. Reconfigurable patch antenna for polarization diversity. It introduces reconfigurable patch antenna with a cslot shape.
Reconfigurable triangular patch antenna with quadruple. The patch is designed on a very thin rt duroid substrate of dielectric constant. Reconfigurable patch slot antenna for circular polarization diversity dr. Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on antennas and propoagation, 632, feb 2015. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. Polarization and pattern reconfigurable antennas are also attractive since they can provide diversity features which leads to an increased signal to noise ratio and therefore a higher quality of service of whole systems 68. Abstractthis paper reports a novel polarization reconfigurable antenna array based on the theory of mode combination mc, which can electronically alter its polarization states between lefthand circular polarization lcp mode, righthand circular polarization rcp mode, and two combined linear polarization lp modes. Research of design and simulation of polarized reconfigurable antenna. Frequency and polarization reconfigurable antenna for. Omnidirectional microstrip patch antenna with reconfigurable. Consequently, by controlling the state of the switches either on or off, the polarization excites by the antenna can be reconfigured between three type of polarization modes, either lefthand circular polarization, righthand circular polarization or linear polarization.
Advances in intelligent systems and computing, vol 469. Antenna reconfiguration is enabled with the aid of two rf switches inserted in. The proposed antenna has a simple structure, consisting of a corner. 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. Reconfigurable antennas for wireless communications. Accordingly it is expected that a wideband polarization recon.
In this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. In this paper, these design concepts have been classified into three basic approaches. A wideband polarization reconfigurable antenna array based. Each antenna radiate different pattern so it increase the number. Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed.
Antenna with polarization diversity is very important due to the rapid growth of wireless communications and radar systems. The current distribution of an eshaped patch antenna in state 3 is shown in fig. A novel reconfigurable microstrip patch antenna with frequency and polarization diversities is proposed. After briefly introducing the concept and characteristics of circularly polarized reconfigurable antenna, the impedance bandwidth, axial ratio and polarization direction of a circularly polarized reconfigurable antenna are analysed.
Reconfigurable wideband circularly polarized stacked. 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. For instance, a vertical whip antenna will transmit and receive in the vertical polarization. Study of frequency and polarization reconfigurable on. Rebeiz,singleanddualpolarizedmillimeterwaveslotringantennas,ieeetransactionsonantennas. Polarization reconfigurable patch antenna for wireless. Sng, reconfigurable patch antenna for polarization diversity, ieee transactions on antenna and propagation, 569,sept 2008. In transmission, a radio transmitter supplies an electric current to the antennas terminals, and the antenna radiates the energy from the current as electromagnetic waves radio waves. The driven patch and the stacked patch have identical substrate properties. The array element is adopted as the lprobes fed circularlypolarized. Polarization reconfigurable microstrip patch antenna is presented for 2. Circular polarization reconfigurable antennas have drawn lots of attention in recent years, since they have both the merits of circular polarization antenna capable of mitigating the multipath effect and flexibility in the orientation of the transmitting and receiving antennas, and reconfigurable antenna satisfy the requirements for increased functionality within a. The geometry of the proposed reconfigurable patch antenna with.
Xuexia yang, a polarization reconfigurable patch antenna with loop slots on the ground plane, ieee antennas and wireless propagation letters, volume. He covers printed antennas, microstrip antenna design, antenna design for wireless communication and mobile phones, smartphone antenna design compliances and measurement, reconfigurable frequency and polarization diversity antennas, printed antenna arrays, antenna arrays for microwave sensing and imaging, airborne synthetic aperture radar arrays, multifrequency sharedaperture microstrip. Abstractthis paper reports a novel polarizationreconfigurable antenna array based on the theory of mode combination mc, which can electronically alter its polarization states between lefthand circular polarization lcp mode, righthand circular polarization rcp mode, and two combined linear polarization lp modes. Switching using pin diodes helped achieve polarization diversity. Using only one switch and a single patch, the antenna operates at 4. Four crosseddipole elements around a cylinder are used to construct an omnidirectional antenna. Survey on different types of reconfigurable patch antenna for. Such antennas can provide polarization diversity to mitigate signal fading in. Recent developments of reconfigurable antennas for current.
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