Design of polarization and frequency reconfigurable. The antenna topology is derived from an orthogonal overlay of two linearly polarized narrowwidth microstrip patch antennas. A novel polarization reconfigurable conical helical antenna based on the liquid metal is presented. This paper presented a new circular polarization reconfigurable antenna for 5g wireless communications. Pdf this paper presents a frequency and polarization reconfigurable patch antenna with a small gain variation. By turning the diodes on or off, this antenna can radiate with either right hand circular polarization rhcp or left hand circular. Vahldieck, a reconfigurable slot antenna with switchable polarization, ieee microwave and wireless components letters, vol. It consists of a square radiating patch and a 3 db.
Two orthogonal slots are incorporated into the patch and two pin diodes are utilized to switch the slots on and off. Abstracta frequency and polarization reconfigurable patch antenna is proposed in this letter. A polarization reconfigurable microstrip patch antenna is achieved using eutectic gallium indium egain confined in microfluidic channels. Singlefeed polarization reconfigurable patch antenna. A polarization reconfigurable microstrip patch antenna using liquid metal microfluidics. In order to obtain polarization reconfigurability, several patch antenna configurations have been investigated 57. In this paper, an electronically polarization re configurable circular patch antenna, with fixed resonant frequency and operating at wireless local area network. This paper presents the design of polarization and frequency reconfigurable antenna. The two pin diodes switches were initially modeled via a lumped element network, with 0.
Microstrip patch antenna with circular corner truncation is proposed to achieve polarization reconfigurability. A reconfigurable polarization converter using active metasurface and its application in horn antenna abstract. The work on singlefeed frequency and polarization reconfigurable microstrip patch antenna is reported earlier 12. Reconfigurable circular microstrip patch antenna with. Internationaljournalofdistributedsensornetworks 5 4x. The novel geometry composed of a chinese character meng shaped.
Polarization reconfigurable microstrip patch antenna. The proposed antenna is composed of a reconfigurable microstrip patch, a partially reflective. A novel polarization reconfigurable patch antenna with integrated mems actuators is presented for the first time. Pdf design of a frequency and polarization reconfigurable patch. This paper presents a simple design of high gain fabryperot fp antenna with polarization diversity.
A polarization reconfigurable microstrip patch antenna. The present paper demonstrates a frequency and polarization reconfigurable microstrip patch antenna with simple feed structure. Reconfigurable patch slot antenna for circular polarization. It is demonstrated that by introducing a reconfigurable cshaped slot in a circular patch antenna, the polarization of the radiation of the antenna, operating either in a linearly or circularly. It has an ability to switch between circular polarization and linear polarization. This paper presents a simple and compact coplanar waveguide cpwfed circularshaped reconfigurable patch antenna with a switchable circular polarization cp sense. A novel polarizationreconfigurable conical helical antenna based on the liquid metal is presented.
A polarization reconfigurable discontinuous ring dipole antenna. This paper proposes a dualband reconfigurable squarering antenna with a polarization diversity property. Hfss, reconfigurable microstrip patch antenna rmpa, diodes, frequency reconfigurable, circular polarization, reflection coefficient, vswr, axial ratio, network analyzer. A liquid metal conical helical antenna for circular. Reconfigurable orthogonal polarizations were achieved by. This simple structure microstrip antenna consists of a ring radiation patch, two switches pin diodes, and six nonmetallic columns.
This paper proposes a reconfigurable polarization converter based on a pin diode controlled active metasurface ams. Introduction microstrip patch antennas are more popularly used now a days due to its various advantages such as light weight, less volume. A reconfigurable patch antenna with quadripolarization states using. Polarization inversion spin exchange at magic angle. Dual feed degenerate mode patch is used as the starting point for. Vidmar, varactortuned microstrippatch antenna with frequency and polarisation. The original orthogonal linear polarized antenna is a square patch fed by two ports at the adjacent edges. The simple design consists of two slots and two feeds. The proposed antenna consists of a squarering resonator, two stubs with a shorting via, and two pin diodes. A circularpolarization reconfigurable mengshaped patch antenna. The main problem is that i have no idea how to properly tweak the antenna and how to analyze it.
A reconfigurable patch antenna with independent frequency and. Polarization reconfigurable microstrip antenna ieee conference. It allows switching between right hand circular polarization rhcp and left hand circular polarization lhcp. The bias line has been placed above the substrate with some. A novel reconfigurable microstripfed patch antenna with polarization agility in either of two bands is proposed in this communication. 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. Mimos center of excellence, faculty of electrical engineering, universiti teknologi malaysia, 810 johor bahru. Typical half wave patches have efficiencies well above 90%. Osman department of communication engineering, utm. In order to obtain polarization reconfigurability, several patch antenna. 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 design of a rectangular micro strip patch antenna begins with, a choice of a substrate b selecting feed mechanism, c determining patch width w and d selecting the feed location. Two pin diode switches controlled the reconfiguration for both the righthand and lefthand circular polarization.
A square patch antenna with reconfigurable corners,3, 4. This antenna is proposed and designed using fr4 substrate with. A novel polarizationreconfigurable cut ring microstrip antenna with high gain is proposed. What i first did is go to balanis textbook and follow the suggested design flow below. 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. A polarization reconfigurable highgain microstrip antenna abstract. A simple design of circularlypolarized cp microstrip antennas with frequency agility is described. The experimental results show that a good agreement between simulations and measurements is obtained. Original lp patch antenna the original antenna is a square patch fed by two ports at two adjacent edges as shown in figure 1. Pdf singlefeed polarization reconfigurable patch antenna. A polarization reconfigurable microstrip patch antenna using liquid. A novel design of a microstrip patch antenna with switchable slots pass is proposed to achieve circular polarization diversity.
Abstract this letter presents a polarization reconfigurable memsintegrated coplanar patch antenna for mmwave applications. But in reconfigurable patch antenna using switchable lshaped slots for circuit polarization diversity there is no need of power divider and also multiple feeds. 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. Apte2 1research student electronics engineering dept. Polarization reconfigurable patch antenna listed as prpa. A circularpolarization reconfigurable meng shaped patch. This paper presents a dual band frequency and polarization reconfigurable microstrip antenna. A reconfigurable patch antenna using switchable slots for circular polarization diversity abstract. The directivity of a patch can be estimated quite easily. A reconfigurable patch antenna using switchable slots for. The base element for the reconfigurable array is the truncated corners microstrip antenna see fig.
Eshaped patch antenna with reconfigurable circular. A novel single feed frequency and polarization reconfigurable. Polarization reconfigurable patch antenna for wireless. The antenna, containing a semicircular slot, was compact in size and had a good axial ratio and frequency response. A novel reconfigurable microstrip patch antenna with. The ams consists of a thin dielectric substrate and is tuned by two identical layers of elliptic split rings loaded. An electronically reconfigurable patch antenna design for. Polarization reconfigurable microstrip patch antenna for. Reconfigurable microstrip patch antenna in frequency and. A circularpolarization reconfigurable mengshaped patch. Each corner is cutoff from the main patch through a narrow lshaped cut to get polarization reconfigurability.
Polarization reconfigurable microstrip phased array. With a coaxial probe, two orthogonal resonant modes of the square patch antenna are simultaneously excited. Reconfigurable triangular patch antenna with quadruple. Survey on different types of reconfigurable patch antenna for wireless applications 1k. The polarization state can be determined by switching. Frequency and polarization reconfigurable microstrip antenna. The circular patch is cut at the ends vertically and switches are introduced to connect the patch ends. Polarization reconfigurable patch antenna for wireless sensor. A polarization reconfigurable patch antenna with loop slots. In this paper, we introduce a reconfigurable artistic patch antenna with unidirectional circular polarization cp radiation. Microstrip array antenna inband rcs reduction using.
Reconfigurable antenna wikimili, the best wikipedia reader. Rajarshi shahu college of engineeringtathwade, pune r. Polarization reconfigurable capability has been successfully added to a conventional eshaped patch antenna. A microstrip patch antenna with reconfigurable polarization states among righthand circular polarization rhcp, lefthand circular polarization lhcp. Wireless applications patch antenna with reconfigurable polarization is proposed. The antenna is composed of a pair of rectangular loops and two parasitic rectangular loops. Antenna reconfiguration is enabled with the aid of two rf switches inserted in. Polarization reconfigurable circular patch antenna with a cshaped slot is proposed in this communication. Survey on different types of reconfigurable patch antenna for. Reconfigurable singlefeed cp patch antenna design a compact frequency and polarization reconfigurable singlefeed circularly polarized cp patch antenna is presented as an application of the described microswitch. The proposed antenna has stacked structure consists of a radiator with a ringslot and a cross slot, four pin diodes and a single feed line. The micro strip rectangular structure as shown in figure has been used to implement a polarization reconfigurable rectangular patch antenna.
The antenna is implemented by using truncated structure, variable pitch angle, a matching stub, and a mechanical autorotation device. A miniature reconfigurable circularly polarized antenna using. A reconfigurable polarization converter using active. 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. A novel reconfigurable microstrip antenna that can switch operating polarization states among vertical and horizontal linear polarization, left and. A new reconfigurable microstrip patch antenna allowing switching between two circular polarizations is proposed. 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. If the antenna had a 100% radiation efficiency, all directivity would be converted to gain. According to, the antenna corners are switched by pin diodes that permits electronic selection of the polarization between lefthand lhcp and righthand rhcp. A patch antenna radiates power in certain directions and we say that the antenna has directivity usually expressed in dbi. Abstractpolarization reconfigurable patch antennas which can switch polarization states among vertical and horizontal linear polarization lp, left and righthand circular polarization cp is demonstrated in this paper.
A miniature reconfigurable circularly polarized antenna. Polarization diversity can be achieved with single feed itself. Polarization reconfigurable memscpw antenna for mm. Reconfigurable patch antennas with fourpolarization states agility. This antenna belongs to the family of square microstrip patch antennas, which. The work on singlefeed frequency and polarization reconfigurable microstrip patch antenna is reported earlier. The orthogonal linear polarization waves will be produced when the patch is fed at two adjacent edges. A polarization reconfigurable microstrip patch antenna using. Study of frequency and polarization reconfigurable on square patch antenna 149 conclusion in this paper a varactor diode loaded frequency and polarization reconfigurable antenna is designed and simulated. The microstrip rectangular structure as shown in fig. Study of frequency and polarization reconfigurable on square.
The reconfigurable antenna is composed of a square radiating patch, four varactor diodes, and two lumped capacitors. Reconfigurable patch antennas with fourpolarization. A reconfigurable circular patch antenna with switchable slits for polarization diversity mohamad n. The two feeds are positioned on the right and left diagonal of microstrip antenna. When the equivalent capacitance values of the varactors are increased. A stubloaded microstrip patch antenna with both frequency and polarization selectivity was proposed in 25.
Polarization reconfigurable patch antennas which can switch polarization states among vertical and horizontal linear polarization lp, left and righthand. Study of frequency and polarization reconfigurable on. A polarization reconfigurable microstrip patch antenna using pin. Gong, a polarization reconfigurable patch antenna with loop slots. 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. A microstrip patch antenna with reconfigurable polarization states among righthand circular polarization rhcp, lefthand circular polarization lhcp and two linear polarizations lp is proposed. I am using a 10 ghz rectangular patch antenna to do so. Frequencyreconfigurable microstrip patch antennas with. It is important to match the polarization of the rf antenna to that of the incoming signal. The square patch antenna has the side length of l and is printed on a substrate with a thickness of h. Smith, reconfigurable aperture program recapmems revolutionary. A reconfigurable circular patch antenna with switchable. When the switch is on the electrical size of antenna becomes small and it resonates at higher umts 2100 mhz band with circular. As the antenna is reconfigurable it has two slightly.
It is demonstrated that by introducing a reconfigurable cshaped slot in a circular patch antenna, the polarization of the radiation of the antenna, operating either in a linearly or circularly polarized mode, can be switched effectively. Polarization reconfigurable microstrip patch antenna is presented for 2. Design and implementation of reconfigurable patch antennas for wireless communications fei he, m. A novel polarization reconfigurable circularly polarized cp antenna is proposed in this paper. Polarization reconfigurable circular patch antenna with a.
A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Dual feed degenerate mode patch is used as the starting point for ci. 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. A circular polarization reconfigurable mengshaped patch antenna the antenna has circular polarization, and the pin diodes are used to switch from right hand rh polarization to left hand lh polarization. It can switch between linear polarization lp, rhcp and lhcp at dual frequency. Four pin diodes are soldered on the rectangular loops. Sep 01, 20 polarization reconfigurable patch antennas with four polarization agility are investigated in this paper. Reconfigurable patch antennas with fourpolarization states. Frequency reconfigurability is achieved by connecting an additional small patch to the main patch through a pin diode. Raoa quad polarization and frequency reconfigurable square ring slot loaded microstrip patch antenna for wlan applications aeu int j electron commun, 78 2017, pp. Survey on different types of reconfigurable patch antenna.
A polarizationreconfigurable highgain microstrip antenna. A new polarizationreconfigurable antenna for 5g applications. A novel polarization reconfigurable cut ring microstrip antenna with high gain is proposed. Microstrip array antenna inband rcs reduction using polarization reconfigurable elements. This patch can be dynamically reconfigured to radiate either a circularly polarized or dual linearly polarized radiation patterns. The antenna is designed to switch between three modes. The varactor diode is placed between the inner patch and outer ring. 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. A novel polarization reconfigurable circularly polarized. Polarization and frequency reconfigurability is one of the essential requirements for the cognitive radio. The basics of patch antennas, updated orban microwave. Dualband reconfigurable antenna for polarization diversity. A square patch of side a is printed on rt duroid substrate. Reconfigurable microstrip patch antenna with switchable polarization.
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