A mechanically reconfigurable patch antenna with polarization. A cpwfed uniplanar dualband tripolarization diversity antenna. A cpwfed uniplanar dualband tri polarization diversity antenna based on pin diode for the wireless communication. A novel single feed frequency and polarization reconfigurable. And the polarization reconfigurable performances of the antenna can be realized accordingly. Reconfigurable microstrip antenna with polarisation diversity. Reconfigurable patch slot antenna for circular polarization. A mechanically reconfigurable patch antenna with polarization diversity is presented.
As the antenna is reconfigurable it has two slightly. It exhibits a polarization diversity function in the dual band. The proposed antenna consists of a squarering resonator. The reconfigurable antenna with polarization diversity is operated at wireless local area network wlan frequency band. Osman department of communication engineering, utm. Both polarizations are lps and are perpendicular to each other. By controlling four pin diodes on the patch slots, the proposed antenna has right hand circular polarisation, left hand circular polarisation or linear.
Sep 01, 20 most of those reconfigurable antennas can switch polarization senses between two cp states, or among one linear and two cp states. A novel reconfigurable microstrip antenna with polarization. Wideband to concurrent triband frequency reconfigurable. Polarization reconfigurable antenna, circular patch, slit perturbations. 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. A simple design of circularlypolarized cp microstrip antennas with frequency agility is described. The novel structure we describe here enables the optimization of. Polarization reconfigurable patch antenna for wireless sensor. A wideband polarization reconfigurable slot antenna is proposed for wirelessarea network wlan 802. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes.
In the following steps rectangular patch antenna design procedure is given after choosing its essential parameters such as frequency of operation f r,dielectric constant of the substrate. 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. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. Two feed reconfigurable microstrip patch antenna for polarization diversity abstract. Libandwidth enhancement of a polarization reconfigurable patch antenna with stairslots on. Therefore, the proposed patch antenna has different polarizations. Abstract this letter presents a polarization reconfigurable memsintegrated coplanar patch antenna for mmwave applications. Reconfigurable shorted patch antenna with polarization and. The proposed antenna can produce left hand circular polarization or right hand circular polarization according to the on.
The pin diodes are biased by an external dc circuitry to switch their states. Reconfigurable circular microstrip patch antenna with polarization. Pdf an electronically reconfigurable patch antenna design for. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. A reconfigurable patch antenna using switchable slots for circular polarization diversity abstract. Pin diode can be used to achieve reconfigurability by placing it within the slot. T1 compact reconfigurable circularly polarised microstrip antenna with asymmetric cross slots. Polarization reconfigurable microstrip patch antenna is presented for. A cpwfed reconfigurable patch antenna with circular polarization diversity.
This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. Introduction recently, a polarization reconfigurable antenna, which can offer various polarizations at the same operating. A reconfigurable circular patch antenna with switchable slits for polarization diversity mohamad n. Reconfigurable patch antenna for polarization diversity abstract. Reference 7 proposed an aperture coupled square patch antenna with quadric polarization agility. 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. Read reconfigurable microstrip annular ring antenna for circular polarization diversity, microwave and optical technology letters on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Frequencyreconfigurable microstrip patch antennas with. A pair of ltype slits is embedded into the edge of square patch and the shape of the slit is changed according to on. A reconfigurable microstrip antenna with radiation pattern. A new microstrip antenna with triple polarization diversity has been designed and fabricated for cband application. A novel polarization reconfigurable circularly polarized cp antenna is proposed in this paper. A reconfigurable patch antenna using switchable slots for. Polarization reconfigurable antennas are capable of switching between different polarization modes. The capability of switching between horizontal, vertical and circular polarizations can be used to reduce polarization mismatch losses in portable devices. Two pin diode switches controlled the reconfiguration for both the righthand and lefthand circular polarization.
A novel polarization reconfigurable circularly polarized. Study of frequency and polarization reconfigurable on. Survey on different types of reconfigurable patch antenna. Ideal diode that is diode size patch is considered in place of pin diode for simulation and fabrication purpose. In this chapter a simple patch antenna to achieve the triple polarization is discussed. Sung, a polarization diversity patch antenna with a reconfigurable feeding network, journal of electromagnetic engineering and science, vol. Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. Reconfigurable triangular patch antenna with quadruple. Reconfigurable shorted patch antenna with polarization and pattern diversity abstract. This paper presented a new circular polarization reconfigurable antenna for 5g wireless communications. Several antenna structures offering polarization diversity have been. The antenna is composed of a pair of rectangular loops and two parasitic rectangular loops. The antenna consists of a circular patch surrounded by four sectorshaped patches. The proposed switchable antenna is composed of a coaxially fed corner.
Reconfigurable microstrip patch antenna using mems technology. By controlling four pin diodes on the patch slots, the proposed antenna has right hand circular polarisation, left hand circular polarisation or linear polarisation. A novel design of patch antennas with polarization diversity is proposed and experimentally studied in this letter. Reconfigurable circular microstrip patch antenna with. Pdf reconfigurable patch slot antenna for circular. Jul 29, 2016 the paper proposes polarization reconfigurable antenna that can change its polarization from left hand circular polarization lhcp to right hand circular polarization rhcp by using patch rotation technique.
Circular polarization wideband eshaped patch antenna for. 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. This paper proposes a rectangular patch antenna fed from two orthogonal microstrip lines for polarization diversity. The dualfed antenna can operates on two orthogonal linear polarizations simultaneously and on two orthogonal circular polarizations alternatively by controlling the perturbation elements on a square patch antenna. Research article dualband reconfigurable antenna for. Survey on different types of reconfigurable patch antenna for. Polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. Ebginspired reconfigurable patch antenna for frequency. There are several methods to achieve the polarization diversity such as incorporating diodes. In the proposed work an experimental design of microstrip patch antenna has been developed to study the various parameters controlling the performance of the antenna. Reconfigurable patch antennas with fourpolarization.
The microstrip rectangular structure as shown in fig. 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. When the equivalent capacitance values of the varactors are increased. 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 reconfigurable circular patch antenna with switchable. A cpwfed reconfigurable patch antenna with circular. Polarization diversity can be achieved with single feed itself. A k band patch antenna with reconfigurable frequency and polarization properties is proposed by benjamin rohrdantz et al. At the two rf ports an impedance transformer matches the 50. Pin diode can be used to achieve reconfigurability by placing it. Pdf an electronically reconfigurable patch antenna. Survey on different types of reconfigurable patch antenna for wireless applications 1k. A patternand polarizationreconfigurable antenna is presented in this paper.
Polarization diversity can be an issue in effectively addressing the multipathfading effects in modern wireless. Reconfigurable patch antenna for polarization diversity. A novel design of a microstrip patch antenna with switchable slots pass is proposed to achieve circular polarization diversity. A cpwfed reconfigurable patch antenna with circular polarization diversity volume 7 issue 6 ch. A reconfigurable triangular patch antenna with polarization diversity is proposed.
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. Polarization reconfigurable patch antenna for wireless. An electronically reconfigurable patch antenna design for. Design and implementation of reconfigurable patch antennas for wireless communications by fei he a thesis presented to the faculty of the graduate college at the.
This shape is specifically chosen since it gave better results. Polarization reconfigurable patch antennas which can switch polarization states among vertical and horizontal linear polarization lp, left and righthand circular polarization cp is. The polarization of the field radiated by this reconfigurable antenna can be configured into righthanded circular polarization rhcp, lefthanded circular polarization lhcp or linear polarization lp. Reconfigurable microstrip antennas due to their properties of adapting to. Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on antennas and propoagation, 632, feb 2015. A gps polarization reconfigurable patch antenna has been experimentally investigated using rf mems switches.
Polarization reconfigurable microstrip patch antenna for wireless communication applications. Wideband to concurrent triband frequency reconfigurable microstrip patch antenna for wireless communication volume 9 issue 4 sonia sharma, chandra charu tripathi. A pair of ltype slits is embedded into the edge of square patch and the shape of the slit is changed according to on or offstate of pin diode. Polarization reconfigurable memscpw antenna for mm. Reconfigurable triangular patch antenna with quadruple mode. For the last several years, patch antennas 3, quarterwave patch antennas 4, yagiuda antennas 5, loop antennas 6 or slot antennas 7, have been proposed as possible wpans antennas. 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 reconfigurable antenna is composed of a square radiating patch, four varactor diodes, and two lumped capacitors. Reconfigurable patch antenna for polarization diversity ieee xplore. Patch antenna design for polarization diversity with fixed resonant frequency. This antenna is proposed and designed using fr4 substrate with.
Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. A single probefed reconfigurable microstrip patch antenna with symmetric cross slots is proposed. Reconfigurable orthogonal polarizations were achieved by. Advances in intelligent systems and computing, vol 469.
A reconfigurable circular patch antenna with switchable slits for. The proposed antenna has a simple structure, consisting of a corner. Two feed reconfigurable microstrip patch antenna for. The antenna utilizes three different radiating modes of a centershorted microstrip patch to generate different polarizations and patterns. The proposed antenna has a simple structure, consisting of a cornertruncated square radiating. Recently, a polarization diversity slot antenna with switchable frequency has been reported.
A fourway power divider made by three wilkinson power dividers. To overcome these index terms eshaped patch antenna, microstrip antenna, pin diodes, polarization agile, reconfigurable antennas, rf switches. May 28, 2015 a reconfigurable triangular patch antenna with polarization diversity is proposed. Four pin diodes are soldered on the rectangular loops. In this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. Polarization reconfigurable memscpw antenna for mmwave. A new polarizationreconfigurable antenna for 5g applications.
Different polarization states are achieved by using four pin diodes placed at the patch corners. An electronically reconfigurable patch antenna design for polarization diversity with fixed resonant frequency. Various design for rectangular microstrip patch antenna, 1x1, 1x2, 2x2, 1x4, 2x4 and 4x4 rectangular. It has an ability to switch between circular polarization and linear polarization. A quadpolarization and frequency reconfigurable square. Abstract the design of a novel reconfigurable microstrip. In 11, polarization reconfiguration metasurface is rotated to realize 4% 3 db axial ratio bandwidth in. The paper proposes polarization reconfigurable antenna that can change its polarization from left hand circular polarization lhcp to right hand circular polarization rhcp by using patch rotation technique. The antenna, containing a semicircular slot, was compact in size and had a good axial ratio and frequency response. Ebginspired reconfigurable patch antenna for frequency diversity application.
A frequency and polarization reconfigurable patch antenna is proposed in this letter. A mechanically reconfigurable patch antenna with polarization diversity abstract. Compared with pin or varactor diodes, mems consumes little dc power and have low insertion loss and high isolation. But in reconfigurable patch antenna using switchable lshaped slots for circuit polarization diversity there is no need of power divider and also multiple feeds. Sng, reconfigurable patch antenna for polarization diversity, ieee transactions on antenna and propagation, 569,sept 2008. For the reconfigurable antenna with the linear polarization diversity, it can be converted to a circularlypolarized antenna with switchable polarization sense by introducing a perturbation segment. Polarization reconfigurable microstrip patch antenna is presented for 2. A quadpolarization and frequency reconfigurable square ring. The antenna design is analyzed and optimized using agilent ads. Two orthogonal slots are incorporated into the patch and two pin diodes are utilized to switch the slots on and off.
In this letter, a reconfigurable rhombusshaped patch antenna with a yshaped feedline for polarization diversity is proposed. A novel reconfigurable microstrip antenna with radiation pattern selectivity and polarization diversity is presented in this letter. It consists of a square patch of side a printed on rt duroid substrate of. Request pdf a reconfigurable circular patch antenna with switchable slits for polarization diversity this article proposes a novel circular patch antenna with. In this antenna two lshaped slots are incorporated as shown in fig. Compact reconfigurable circularly polarised microstrip. Dualband reconfigurable antenna for polarization diversity. It can switch between two distinct frequency bands, but it performs polarization. This antenna exhibits a simple structure, which consists of a. Dualband reconfigurable antenna for polarization diversity youngje sung electronics engineering, kyonggi university, suwon, republic of korea. Mimos center of excellence, faculty of electrical engineering, universiti teknologi malaysia, 810 johor bahru. This tunable hybrid can be used to feed a patch antenna via orthogonal slots etched in its ground plane. Further it has better return losses when compared to traditional reconfigurable patch antenna with switchable slots for polarization diversity. Wireless applications patch antenna with reconfigurable polarization is proposed.
An electronically reconfigurable patch antenna design for polarization diversity with fixed resonant frequency article pdf available in radioengineering 241. With a coaxial probe, two orthogonal resonant modes of the square patch antenna are simultaneously excited. Polarization reconfigurable microstrip patch antenna for. The antenna is composed of a fixed lprobe feed on a bottom substrate layer and a patch with truncated corners on an upper substrate layer that can rotate in azimuth. The proposed antenna consists of a squarering resonator that operates as a radiating.