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