This letter proposes a reconfigurable microstrip patch antenna with polarization states being switched among linear polarization lp, lefthand lh and righthand rh circular polarizations cp. The proposed antenna consists of a squarering resonator that operates as a. Reconfigurable patch slot antenna for circular polarization. Antenna is simulated on hfss11 and after fabrication tested on antenna measurement system good impedance bandwidth is achieved at 2. Survey on different types of reconfigurable patch antenna.
Two orthogonal slots are incorporated into the patch and two pin diodes are utilized to switch the slots on and off. In a number of recent studies, some new and promising designs for circularly polarised cavitybacked antennas with a parasitic patch have been proposed to obtain circular polarisation and unidirectional radiation properties. This paper presented a new circular polarization reconfigurable antenna for 5g wireless communications. A novel design of a microstrip patch antenna with switchable slots pass is proposed to achieve circular polarization diversity. Polarization reconfigurable antenna, circular patch, slit perturbations. The proposed antenna consists of a squarering resonator that operates as a radiating. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. The proposed antenna using four triangleshaped elements to simultaneously achieve good impedance match for circular and linear polarization. Reconfigurable patch antenna for polarization diversity abstract. Study of frequency and polarization reconfigurable on.
The antenna is composed of a fixed lprobe feed on a. The microstrip rectangular structure as shown in fig. Polarization reconfigurable slot antenna with a novel compact cpwtoslotline transition for wlan application. 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. The proposed antenna can produce left hand circular polarization or right hand circular polarization according to the on.
Polarization diversity between linear polarization lp and right. Jun 02, 2016 singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed. This article presented a compact and high gain antenna with reconfigurable polarization based on two invertedv dipoles fabricated in a crossed configuration, and with a common planar reflector. 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. Each antenna radiate different pattern so it increase the number. Reconfigurable slotcoupled microstrip antenna with. A quadpolarization and frequency reconfigurable square ring. Polarization reconfigurable memscpw antenna for mm. A mechanically reconfigurable patch antenna with polarization diversity is presented. Polarization diversity crossshaped patch antenna for satellitedmb systems. A compact square patch antenna with reconfigurable circular polarization cp at 2.
Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. In this antenna two lshaped slots are incorporated as shown in fig. By making these two diodes on and off separately the. Sep 01, 2010 in this letter, a novel reconfigurable microstrip antenna with polarization diversity is proposed. The design of an aperturecoupled microstrip patch antenna whose radiation can be switched between circular polarisation cp and linear polarisation lp states is presented. The proposed configuration is simple and easy to implement for polarization diversity antennas. The proposed switchable antenna is composed of a coaxially fed corner. This antenna exhibits a simple structure, which consists of a. 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. Circular polarization wideband eshaped patch antenna for. Reconfigurable microstrip antenna with polarisation diversity.
The frequency diversity characteristic of this antenna is realized by placing a pindiode in the middle of a uslot of a microstrip patch. Reconfigurable patch antenna for polarization diversity ieee xplore. An electronically reconfigurable patch antenna design for polarization diversity with fixed resonant frequency. Polarization reconfigurable microstrip patch antenna for. Circular polarization is generated by an arcshaped slot on the ground plane. An electronically reconfigurable patch antenna design for. A cpwfed reconfigurable patch antenna with circular polarization. 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. Pattern and polarization reconfigurable circular patch for mimo systems. Polarization reconfigurable microstrip patch antenna is presented for 2. Introduction recently, a polarization reconfigurable antenna, which can offer various polarizations at the same operating. By turning the diodes on or off, this antenna can radiate with either right hand circular polarization rhcp or left hand circular.
Reconfigurable koch loop fractal antenna using rf switch. A reconfigurable patch antenna using switchable slots for circular polarization diversity abstract. Polarization reconfigurable patch antenna for wireless sensor. Reconfigurable patch antenna for polarization diversity. Both polarizations are lps and are perpendicular to each other. In this paper, a novel design of an octagonal shape micro strip patch antenna with switchable slots pass structure is proposed to achieve polarization diversity. A reconfigurable quadripolarization diversity aperturecoupled patch antenna. Research article dualband reconfigurable antenna for.
The novel structure we describe here enables the optimization of. Dualband reconfigurable antenna for polarization diversity. A reconfigurable patch antenna using switchable slotted. May 28, 2015 a reconfigurable triangular patch antenna with polarization diversity is proposed. Reconfigurable microstrip patch antenna using mems. Sung, a polarization diversity patch antenna with a reconfigurable feeding network, journal of electromagnetic engineering and science, vol. A reconfigurable patch antenna using switchable slotted structure for polarization diversity abstract.
Sung, a simple reconfigurable patch antenna for polarization diversity submitted to journal of electromagnetic waves and applications, minor revision y. Reconfigurable patch antennas with fourpolarization. A cpwfed reconfigurable patch antenna with circular polarization diversity ch. Sng, reconfigurable patch antenna for polarization diversity, ieee transactions on antenna and propagation, 569,sept 2008. Study of frequency and polarization reconfigurable on square. Reconfigurable antennas can be realized by integrating pinvaractor diodes andor mems devices into the structure of the antenna. In this chapter a simple patch antenna to achieve the triple polarization is. Polarization reconfigurable memscpw antenna for mmwave. Polarization reconfigurable microstrip patch antenna is presented for. The proposed antenna has a simple structure, consisting of a corner. Two feed reconfigurable microstrip patch antenna for.
A reconfigurable circular patch antenna with switchable slits for polarization diversity article in microwave and optical technology letters 5611 november 2014 with 63 reads how we measure. This antenna is proposed and designed using fr4 substrate with. Reconfigurable microstrip patch antenna with switchable polarization. Survey on different types of reconfigurable patch antenna for wireless applications 1k. 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. Advances in intelligent systems and computing, vol 469. Polarization reconfigurable patch antenna for wireless. Reconfigurable triangular patch antenna with quadruple mode. A reconfigurable patch antenna using switchable slots for circular polarization diversity. Dec 20, 2005 the design of a novel reconfigurable microstrip. It can be observed that all the additional metallization contacts between the unitcells as discussed in section 2. A single probefed reconfigurable microstrip patch antenna with symmetric cross slots is proposed. But in reconfigurable patch antenna using switchable lshaped slots for circuit polarization diversity there is no need of power divider and also multiple feeds.
However, these designs still have the disadvantage of producing single. To overcome these index terms eshaped patch antenna, microstrip antenna, pin diodes, polarization agile, reconfigurable antennas, rf switches. The antenna, containing a semicircular slot, was compact in size and had a good axial ratio and frequency response. The pin diodes are biased by an external dc circuitry to switch their states. Abstract this letter presents a polarization reconfigurable memsintegrated coplanar patch antenna for mmwave applications. Antenna diversity, also known as special diversity or space. 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. It consists of a square patch of side a printed on rt duroid substrate of. This shape is specifically chosen since it gave better results. 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.
In order to switch the cp orientation, the current flow direction of the patch is reconfigured via the pin diodes mounted on the slot. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. Therefore, the radiation pattern shows that the proposed reconfigurable antenna exhibits polarization diversity between the lps orthogonal at two resonant frequencies. Different polarization states are achieved by using four pin diodes placed at the patch corners. Singlefeed circular microstrip patch antenna with diagonal slot for polarization reconfigurability has been proposed.
A design of stacked squarering patch antennas with quadripolarization diversity is proposed. Therefore, the proposed patch antenna has different polarizations. Microstrip antenna, reconfigurable antenna, diversity antenna. Libandwidth enhancement of a polarization reconfigurable patch antenna with stairslots on the ground ieee ant wireless propag lett, 2014, pp. Wireless applications patch antenna with reconfigurable polarization is proposed. 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 diversity can be achieved with single feed itself. A novel reconfigurable microstrip antenna with frequency and polarization diversities has been designed and fabricated. The reconfigurable patch antenna is simplest form of patch antenna as shown in fig. 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 novel single feed reconfigurable circular microstrip patch antenna with polarization and pattern diversity have been proposed.
Using only one switch and a single patch, the antenna operates at. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. The paper proposes polarization reconfigurable antenna that can change its polarization from left hand circular polarizationlhcp to right hand circular polarization rhcp by using patch rotation technique. Sung, simple reconfigurable square patch antenna with tshaped feed for polarization diversity acceptance for ieee antennas wireless propagat. The proposed antenna could generate four different types of polarizations, such as vertical polarization vp, horizontal polarization hp, righthand circular polarization rhcp, and lefthand. This tunable hybrid can be used to feed a patch antenna via orthogonal slots etched in its ground plane. Yuk, a simple planar polarization reonfigurable antenna for gnsspcs, ieee transactions on. A pair of ltype slits is embedded into the edge of square patch and the shape of the slit is changed according to on. This concept is implemented to design a novel reconfigurable antenna with both frequency and polarization diversities. Design of polarization diversity patch antenna based on a compact. The patch is designed on a very thin rt duroid substrate of dielectric constant. Ashish kumar sahu is a record of an original research work carried out by his during 20142015 under my supervision and guidance in. Ebginspired reconfigurable patch antenna for frequency. Survey on different types of reconfigurable patch antenna for.
Polarizationdiversity crossshaped patch antenna for satellitedmb systems. By controlling four pin diodes on the patch slots, the proposed antenna has right hand circular polarisation, left hand circular polarisation or linear polarisation. Polarization reconfigurable patch with perturbations on the patch the structure of the reconfigurable fourpolarization antenna with the perturbations on the patch and its geometrical parameters are plotted in figure 7. Reconfigurable patch antenna for polarization diversity article in ieee transactions on antennas and propagation 569. Reconfigurable circular microstrip patch antenna with polarization. Reconfigurable patch antennas with fourpolarization states. It has an ability to switch between circular polarization and linear polarization. A reconfigurable triangular patch antenna with polarization diversity is proposed. Reconfigurable circularly polarized microstrip antenna on a. At the two rf ports an impedance transformer matches the 50. Reconfigurable circularly polarized microstrip antenna on. A reconfigurable circular patch antenna with switchable. It exhibits a polarization diversity function in the dual band.
Polarization reconfigurable patch antennas which can switch polarization states among vertical and horizontal linear polarization lp, left and righthand circular polarization cp is. A mechanically reconfigurable patch antenna with polarization. Reconfigurable circular microstrip patch antenna with. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. This paper proposes a rectangular patch antenna fed from two orthogonal microstrip lines for polarization diversity. Reconfigurable antennas have recently received much attention in. By electrically controlling these components, the radiation patterns of the antennas can be modified. Several antenna structures offering polarization diversity have been proposed in the literature.
For the proposed design, the cp and lp radiations are excited through the couplings of a ring slot and an openring slot in the ground plane, respectively. In this letter, a reconfigurable rhombusshaped patch antenna with a yshaped feedline for polarization diversity is proposed. The polarization switching is realized with a 1to4 reconfigurable. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. As the antenna is reconfigurable it has two slightly. A new microstrip antenna with triplepolarization diversity has been designed and fabricated for cband application. Pin diode can be used to achieve reconfigurability by placing it within the slot. A novel configuration of a circularly polarised cp reconfigurable aperture antenna is presented. Nanbo jin designed the patch antenna 2 with switchable slot pass. A quadpolarization and frequency reconfigurable square.
Polarization reconfigurable patch with perturbations on the patch the structure of the reconfigurable four polarization antenna with the perturbations on the patch and its geometrical parameters are plotted in figure 7. By controlling the onoff status of the two switches, the polarization of the antenna can be switched between two states. Two pin diode switches controlled the reconfiguration for both the righthand and lefthand circular polarization. A novel design of patch antennas with polarization diversity is proposed and experimentally studied in this letter. A new polarizationreconfigurable antenna for 5g applications. Polarization diversity can be an issue in effectively addressing the multipathfading effects in modern wireless. Reconfigurable patch antenna for polarization diversity sung, y. The effects of the key parameters of the proposed design on the. Reconfigurable triangular patch antenna with quadruple. A reconfigurable patch antenna using switchable slots for. A novel reconfigurable microstrip antenna with polarization. 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.
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