Furthermore, in 15 an attractive design approach guaranteeing both. Two orthogonal slots are incorporated into the patch and two pin diodes are utilized to switch the slots on and off. Reconfigurable microstrip patch antenna with switchable polarization. Microstrip patch antenna is a resonant microstrip patch antenna. An omnidirectional microstrip patch antenna, capable of reconfiguring both polarisation and radiation pattern is proposed.
A quadpolarization and frequency reconfigurable square. A comparative study on polarization reconfigurable circular. A tunable microstrip patch antenna with switchable. A 77 ghz polarization reconfigurable patch antenna employing radio. Frequency reconfigurable log periodic microstrip dipole.
Novel frequencyand patternreconfigurable rhombic patch antenna with switchable polarization yp selvam, l elumalai, mgn alsath, m kanagasabai, s subbaraj. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. Microstrip antennas with frequency agility and polarization diversity, ieee transactions on antennas and propagation,vol. 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. Polarization reconfigurable capability has been successfully added to a conventional eshaped patch antenna. Research of design and simulation of polarized reconfigurable antenna. A comparative analysis of various reconfigurable and multiband antenna concepts is presented. The geometry of the proposed reconfigurable patch antenna with. A novel reconfigurable microstrip antenna with polarization.
Advances in intelligent systems and computing, vol 469. The design of a novel reconfigurable microstrippatch antenna with frequency and polarizationdiversity functions is presented. Recent developments in reconfigurable and multiband. The polarization reconfigurable antennas can switch the polarization. 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. Sng, reconfigurable patch antenna for polarization diversity, ieee transactions on antenna and propagation, 569,sept 2008. A novel single feed frequency and polarization reconfigurable. Three coaxial feed points are provided for three operational frequencies. In 45,46, two designs of polarization reconfigurable patch antennas of. Reconfigurable patch antenna for polarization diversity. Study of frequency and polarization reconfigurable on square. The frequency and polarization diversity with single patch and single feed produces a simple structure, small size, and low cost for. Using only one switch and a single patch, the antenna operates at. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities.
Polarization diversity in an antenna system has received much attention in the. The proposed configuration is simple and easy to implement for polarization diversity antennas. The patch is designed on a very thin rt duroid substrate of dielectric constant. A k band patch antenna with reconfigurable frequency and polarization properties is proposed by benjamin rohrdantz et al. Recent developments of reconfigurable antennas for current and. Frequency and polarization reconfigurable antenna for. A novel design of a microstrip patch antenna with switchable slots pass is proposed to achieve circular polarization diversity. The polarization switching is realized with a 1to4 reconfigurable. 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 microstrip patch antenna for frequency. The proposed antenna can produce left hand circular polarization or right hand circular polarization according to the on. Review on types of reconfigurable antenna 39965 by editor. Pin diode can be used to achieve reconfigurability by placing it within the slot. A single antenna can be operated over three different sub bands.
Recently, a polarization diversity slot antenna with switchable frequency has been reported. It consists of a square patch of side a printed on rt duroid substrate of. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. A reconfigurable patch antenna using switchable slots for. Reconfigurable microstrip antenna with polarisation. Polarization reconfigurable patch antenna for wireless. Reconfigurable microstrip patch antenna using mems. The microstrip patch antenna is designed and optimized in such a way that interconnection between patches tuned antenna from higher to lower frequency. Microstrip antenna with an arc parasitic unit is analyzed, and a circular polarization reconfigurable microstrip antenna is designed. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. An electronically reconfigurable patch antenna design for. 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.
Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on. 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. In this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. Reconfigurable triangular patch antenna with quadruple. Polarization reconfigurable patch antenna for wireless sensor. This tunable hybrid can be used to feed a patch antenna via orthogonal slots etched in its ground plane.
Antenna with polarization diversity is very important due to the rapid growth of wireless communications and radar systems. A reconfigurable microstrip patch antenna with switchable circular polarization using a piezoelectric transducer pet is reported in 11. In this paper, these design concepts have been classified into three basic approaches. Dualband reconfigurable antenna for polarization diversity. Polarization reconfigurable microstrip patch antenna is presented for 2. 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. By switching onoff four pin diodes for each crosseddipole element, three types of polarisation reconfigurable omnidirectional antennas are realised, including vertical or horizontal polarisation.
Study of frequency and polarization reconfigurable on. 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. The current distribution of an eshaped patch antenna in state 3 is shown in fig. Polarization is predictable from an antenna s geometry. By turning the diodes on or off, this antenna can radiate with either right hand circular polarization rhcp or left hand circular. The concept of reconfigurable antenna is widely used as an additional feature of reconfigurable ability for future wireless. A novel reconfigurable microstrip patch antenna with frequency and polarization diversities is proposed.
For instance, a vertical whip antenna will transmit and receive in the vertical polarization. Each antenna radiate different pattern so it increase the number. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. On the other hand, in radar applications, reconfigurability at antenna level is.
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. 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. Antenna reconfiguration is enabled with the aid of two rf switches inserted in. Eshaped patch antenna with reconfigurable circular. 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. Ieee antennas and wireless propagation letters 16, 16391642, 2017.
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. This paper presents a polarization reconfigurable patch antenna with an. At the two rf ports an impedance transformer matches the 50. A design of stacked squarering patch antennas with quadripolarization diversity is proposed. A reconfigurable stacked microstrip patch antenna for. Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on antennas and propoagation, 632, feb 2015. 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. The proposed antenna using four triangleshaped elements to simultaneously achieve good impedance match for circular and linear polarization. Survey on different types of reconfigurable patch antenna. Reconfigurable koch loop fractal antenna using rf switch. Frequency and polarization reconfigurable antenna for airborne application sachin jain1, 1sivarami reddy1, pummy ratna, usha p. A mechanically reconfigurable patch antenna with polarization diversity. A uslot inserted into the square patch and a pin diode are.
Jun 02, 2016 singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. Reconfigurable antennas for wireless communications. 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. Phase shifter design based on reconfigurable defected microstrip. The design of a novel reconfigurable microstrip patch antenna with frequency and polarization diversity functions is presented. Kishore kumar department of electronics and communications national institute of technology, tiruchirappalli620 015, tamil nadu, india. Sep 01, 2010 in this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. Reconfigurable circular microstrip patch antenna with. A new method for the development of polarisation reconfigurable omnidirectional antennas is presented. 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. 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. Polarization diversity can be an issue in effectively addressing the multipathfading effects in modern wireless.
Using only one switch and a single patch, the antenna operates at 4. 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. In order to obtain polarization reconfigurability, several patch antenna. Radiation and frequency reconfigurable antenna in general, most antennas are capable of either frequency or pattern reconfigurability. 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. Research of design and simulation of polarized reconfigurable. Numerical simulation is performed for the characteristics of the antenna with the software hfss. Reconfigurable wideband circularly polarized stacked. By controlling the onoff status of the two switches, the polarization of the antenna can be switched between two states. A wideband polarization reconfigurable antenna array based. Reconfigurable microstrip patch antenna for frequency diversity using rf mems. A quadpolarization and frequency reconfigurable square ring.
Reconfigurable wideband patch antenna for cognitive radio. 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. The results show that the frequency channels of the antenna are2. Dual feed degenerate mode patch is used as the starting point for circular polarization and lshaped islands which can be connected or disconnected to the main patch via rf switches are placed around the patch. Development of polarisation reconfigurable omnidirectional. A wideband polarization reconfigurable antenna array based on. The proposed antenna has a simple structure, consisting of a corner. Xuexia yang, a polarization reconfigurable patch antenna with loop slots on the ground plane, ieee antennas and wireless propagation letters, volume. A reconfigurable triangular patch antenna with polarization diversity is proposed.
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. It introduces reconfigurable patch antenna with a cslot shape. 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. Reconfigurable microstrip antenna with polarisation diversity. Recent developments in reconfigurable and multiband antenna. Research article polarization reconfigurable patch antenna. Polarization diversity among linear polarization lp, right hand circular. Reconfigurable patch antenna for polarization diversity article in ieee transactions on antennas and propagation 569. Such antennas can facilitate multiple services in a compact.
A square patch of side a is printed on rt duroid substrate. Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. The array element is adopted as the lprobes fed circularlypolarized. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. The proposed switchable antenna is composed of a coaxially fed corner. Polarization diversity is one of the antenna diversity techniques. Reconfigurable patch slot antenna for circular polarization diversity dr. An antenna array includes a plurality of subarrays each having a plurality of linearly polarized antenna elements, with each antenna element having an orthogonal feed orientation with respect to its adjacent antenna elements, and at least two feed lines each connected by at least one subfeed line to at least two antenna elements having orthogonal feed orientations such that each antenna. 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. 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. Polarization reconfigurable patch antenna with a continuously. 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. Ashish kumar sahu is a record of an original research work carried out by his during 20142015 under my supervision and guidance in. The driven patch and the stacked patch have identical substrate properties.
Polarization diversity article about polarization diversity. Design of polarization diversity patch antenna based on a compact. Switching using pin diodes helped achieve polarization diversity. Omnidirectional microstrip patch antenna with reconfigurable.
Nanbo jin designed the patch antenna 2 with switchable slot pass. Four crosseddipole elements around a cylinder are used to construct an omnidirectional antenna. Jan 20, 2015 reconfigurable microstrip patch antenna for frequency diversity using rf mems. Us93975b1 wideband planar reconfigurable polarization. This paper focuses on the frequency reconfigurable antennas. Reconfigurable microstrip patch antenna using mems technology. Research article polarization reconfigurable patch antenna for wireless sensor. Polarization reconfigurable antenna, circular patch, slit perturbations. Verma1 1advanced systems laboratory, drdo hyderabad, india sachinjain. Accordingly it is expected that a wideband polarization recon. A tunable microstrip patch antenna with switchable polarization.
Survey on different types of reconfigurable patch antenna for. It can switch between two distinct frequency bands, but it performs polarization. It allows switching between right hand circular polarization rhcp and left hand circular polarization lhcp. 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. 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. Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. Reconfigurable patchantenna design for wideband wireless communication system, iet microwave antennas propagation, vol. Recent developments of reconfigurable antennas for current. With appropriate steering, this enables a single antenna to provide full spherical. A comparative study on polarization reconfigurable. The polarization diversities among linear polarization lp, right. Such antennas can provide polarization diversity to mitigate signal fading in. Rebeiz,singleanddualpolarizedmillimeterwaveslotringantennas,ieeetransactionsonantennas.
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