The frequency reconfigurability has been achieved by. Model a reconfigurable holographic antenna using a phasedarray antenna. Bernhard 5 darpa reconfigurable aperture grant copi, 1999 2002. The antenna has applications in bluetooth, wimax, and wlan systems. Optically pumped frequency reconfigurable antenna design. Pdf in this paper, the design of a frequency reconfigurable antenna for wifi, wimax, and cband applications is. Reconfigurable antennas have attracted a lot of attention especially in future wireless communication systems. Upon toggling the switch between on and off states, the antenna can be reconfigured 47. Two pin diode switches controlled the reconfiguration for both the righthand and lefthand circular polarization. Pdf design and study of frequency reconfigurable antenna for. Reconfigurable wideband patch antenna for cognitive radio h. Reconfigurable antennas modern antenna handbook wiley. Single, dual and tripleband frequency reconfigurable. A function reconfigurable antenna based on liquid metal.
To meet the demands of maritime transportation on ships, including satellite positioning, wireless communication, and radio frequency identification rfid for cargo handling management, a function reconfigurable antenna based on liquid metal is proposed in this paper. A rotatable reconfigurable antenna for cognitive radio. Applications of advanced reconfigurable antenna for the. Antenna design the structure is composed of two printed antennas. A phase distribution of concentric rings is applied to focus the wavefronts from. This paper presented a new circular polarization reconfigurable antenna for 5g wireless communications. The antenna may also be a suitable candidate for a combined uwbwlan communication module. Reconfigurable wideband patch antenna for cognitive radio. Dualband reconfigurable antenna with a very wide tunability. Mechanically conformal and electronically reconfigurable apertures using low voltage mems and flexible membrane for space based radar applications. Pifa based reconfigurable multiband antenna for wireless.
B published on 20180424 download full article with reference data and citations. Polarization reconfigurable annular ring slot antenna design. Teambased research on integrated antenna diversity. In large phased arrays, reconfigurable antennas could be used to provide additional capabilities that may result in wider instantaneous frequency bandwidths, more extensive scan volumes. Reconfigurable antennas in mmwave mimo systems article pdf available. A rotatable reconfigurable antenna for cognitive radio applications y. Reconfigurable microstrip patch antenna a schematic view of the proposed antenna is plotted in figure 1. 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. Simulation of frequency reconfigurable square log periodic. Case studies in reconfigurable large aperture antennas. The antenna, containing a semicircular slot, was compact in size and had a good axial ratio and frequency response.
It is possible to reconfigure the operating frequency of the antenna, by altering the states of the. The proposed technique, named reconfigurable antenna noma ranoma, divides the users with respect. Reconfigurable antennas and rf components at millimeter. Download pdf generalized transmission line method to study the far zone radiation of antennas under a multilayer structure book full free. Abstract reconfigurable antennas are capable of dynamically altering their frequency, polarization, and radiation properties in a controlled and. Reconfigurable microstrip patch antenna for wlan software. From the comparison of simulation and measurement results, it can be observed that the measurement results agree with the simulation results, thus it can be concluded that the proposed antenna is a simple and successful design subject to the design purposes with. Design and simulation of reconfigurable antenna for. The beam can be reconfigured to six different directions, and each main lobe of. The proposed hybrid reconfigurable fractal antenna is a novel compact, simple, multiband and reconfigurable. This work presents a novel rf memsbased pattern reconfigurable antenna capable of steering beam in three different directions.
Pifa based reconfigurable multiband antenna for wireless applications hattan f. Budimir 2 1wireless network and communication centre wncc, school of engineering and design, brunel university, west london, ub8 3ph, uk. In this study, a dualband pattern reconfigurable antenna is proposed for 2. The annular slot antenna is then made polarization reconfigurable through an innovative excitation of the slot modes by replacing the shorting tabs with four pairs of the pin diodes. Us9007274b2 reconfigurable mobile phone bulitin antenna. This paper proposes a new design for a frequency reconfigurable multiband antenna based around a slot dipole.
The electrical length of the conductor is changed using pin diodes and the resonance of antenna is shifted from 4. Reconfigurable antenna design this section is devoted to discussion on the design of an antenna which is capable of recon. Her research interests include antenna theory, reconfigurable antennas, radar systems, microwave and rf circuits, ultra wideband uwb antennas. The objective of this chapter is to show the applications of innovative reconfigurable antenna methodologies for the 4g devices. The antenna is prototyped with the optimally selected parameters and measured.
This paper presents a wideangle scanning phased array antenna using high gain pattern reconfigurable antenna pra elements. A reflectarray antenna or just reflectarray consists of an array of unit cells, illuminated by a feeding antenna source of electromagnetic waves. These dynamically switch between two orthogonal linear polarizations by changing the dc control current at the antenna rf port through an external bias tee. Novel radiation pattern reconfigurable antenna with six beam. Figure 1b shows the schematic diagram of a reconfigurable holographic. A compact frequency reconfigurable antenna for lte mobile.
This reconfigurable antenna is controlled by the changing the voltage across a number of p. Reconfigurable antennas are an integral part of such systems as they can control polarization, frequency, radiation pattern, or characteristic. A new polarizationreconfigurable antenna for 5g applications. Reconfigurable satellite with modifiable antenna coverage and. A compact reconfigurable four bands planar invertedf antenna pifa is presented for. Dualband pattern reconfigurable antenna for wireless mimo. Case studies in reconfigurable small aperture antennas. Reconfigurable antennas for mobile phone and wsn applications. Dandekar, a reconfigurable antennabased solution for stationary device authentication in wireless networks, international journal of antennas and propagation, vol. A reconfigurable mobile phone builtin antenna and its implementation method are disclosed.
A reconfigurable leaky modepatch antenna controlled by. Nevertheless, the system cost is often determined not from the actual antenna, but from the surrounding. Christodoulou1 1electrical and computer engineering, university of new mexico, albuquerque, nm 871, usa 2electrical engineering department, california state university fullerton, fullerton, ca 92831, usa abstract this paper presents an antenna scheme. Reconfigurable satellite and antenna coverage communications backup capabilities ep19990124965 ep1014598b1 en 19981223. Moreover, the future of cell phones and other personal mobile. The antenna presents three resonant frequencies if nonreconfigurable fractal configuration is used, but by using reconfiguration concept this antenna can resonate at nine different resonant frequencies in mode ii. This company has attracted third party vc funding and is actively commercializing reconfigurable antennas for residential and enterprise wireless local area networking access points. Reconfigurable koch loop fractal antenna using rf switch. This paper aims to provide an overview of the development of reconfigurable leaky wave antennas. Frequency reconfigurable antenna with air substrate for sband. An important feature of this antenna is its consistent radiation pattern, polarization, and polarization purity at both bands and across its entire tunable frequency. The advantage of using a reconfigurable antenna is to operate in multiband where the total antenna volume can be reused and therefore the overall size can be reduced.
Dualband reconfigurable antenna for polarization diversity, international journal of antennas and propagation, 2018, 2018, doi. The tunable characteristics of rf mems microelectromechanical systems components enable their integration with antennas providing. Design optimization of a pattern reconfigurable microstrip. The antenna consists of two symmetric slots that are fed by a forkshaped microstrip line. This paper proposes a frequency reconfigurable microstrip patch antenna with air as substrate. In order to provide a dynamic response, reconfigurable antennas integrate an inner mechanism such as rf switches, varactors, mechanical actuators or tunable materialsrf switches, varactors, mechanical. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. The unit cells are usually backed by a ground plane, and the incident wave reflects off them towards the direction of the beam. Applications of advanced reconfigurable antenna for the next generation 4g communication devices. Three pairs of pindiode switches are placed across, the dipole arms. In this paper, we show reconfigurable metamaterial devices with direct applications in antenna systems.
The proposed hshaped microstrip antenna is based on the basic. The ultrawideband uwb antenna is designed to fulfill the scanning task and the narrowband antenna for narrowband. Reviewarticle memsreconfigurable metamaterials and. A novel singlefeed reconfigurable antenna for polarization and. Reconfigurable antennas synthesis lectures on antennas. In the first design an antenna for frequency reconfigurable applications is designed. This paper proposes a simple polarization reconfigurable annular ring slot antenna arsa. Reconfigurable antennas free download as powerpoint presentation. In questo lavoro di tesi vengono presentate cinque diverse antenne stampate e ricon gurabili. Frequency reconfigurable antenna written by rakshitha. The antenna is composed of 3dprinted hollow cavities, a twostep impedance feeding sheet, and two feeding probes. A wideband slot antenna with frequency and patternreconfigurable characteristics for tdlte 3. In section2,wepresentakubandmemsreconfigurablecomposite rightlefthanded transmission lines crlhtls with applications in leakywave antennas lwa and feed networksforantennaarrays.
Progress in electromagnetics research symposium proceedings 2357. Global automotive smart antenna market industry trends and forecast to 2026 smart antennas can be defined as digital wireless communications antenna system which is capable of tracking and handling the signals. For example, reconfigurable antennas on portable wireless devices can help to improve a noisy connection or redirect transmitted power to conserve battery life. Wideangle scanning phased array antenna using high gain.
Pdf generalized transmission line method to study the. Five different reconfigurable printed antennas for different applications are designed during the study of this thesis. Reconfigurable antennas and rf components at millimeter wave reconfigurability is a vital feature of future agile millimeter wave systems for sensing, imaging, wireless, and satellite communications. The proposed arsa is able to switch among three polarizatio. Pdf advances in reconfigurable antenna systems facilitated by. Design of frequency and patternreconfigurable wideband.
A novel singlefeed reconfigurable antenna for polarization and frequency diversity volume 9 issue 5 ailar sedghara, zahra atlasbaf. The designed antenna has good impedance matching at the resonant frequency. A pattern reconfigurable antenna is a good candidate as it enables greater reuse of channels and. Binary metahologram for a reconfigurable holographic. A quadpolarization and frequency reconfigurable square ring slot. The material is duroid substrate with dielectric constant. Reconfigurable antennas electrically reconfigurable antenna technology from dwsl has been licensed by adant, founded by daniele piazza, a dwsl phd graduate. Technology a reconfigurable antenna based solution for.