Pdf the effect of conductor line to meander line antenna design. Antenna design based on meander line technique to be applied to. Rowe 0 1 2 salehin kibria 0 2 mandeep jit singh 0 2 norbahiah misran 0 2 0 research grant under grant numbers dip2015014 and ap2015007. Design of meanderline antennas for radio frequency. A simple analytic formula, found in the literature for calculating the resonant frequency of a meander line dipole antenna mda in free space from its. Hf meanderline antenna simulations for nvis on a hmmw. However, the 7turn tapered meander line antenna has the first and the third resonance at 1. Rokunuzzaman 0 1 2 mohammad tariqul islam 0 2 wayne s. So, based on slotted meander line a monopole printed antenna of miniaturized size patch at 900mhz is simulated in this paper based on cst. Meander line antenna mla is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high vswr, low gain and high cross polarization levels. Warnagiris and minardo 14 improved the antenna performance by switching the phase of a meander line.
Design and analysis of a folded meander dipole antenna using. It shows that the use of the cpw elements contributes to decrease the overall antenna area. Meanderlike pcb antenna can be tuned to the required 50 ohm impedance by matching the impedance circuitry with the. Helical meander line antenna and its spatial power combining. A sample of meander line dipole antenna with approximate representation of the instantaneous current distribution.
There are various techniques to miniaturize the size of micro strip antennas viz. Huang 245 design of meander line antenna is mainly by folding a monopole or dipole antenna into a zigzag pattern. Two different designs of meander line meander line antenna is one type of the antenna are investigates, without conductor line and with microstrip antennas. In figure 2 the impedance matching area is marked with a dashed line. Pdf design and simulation of meander line antenna for. Meander lines a meander line is a line run by the government the purpose of defining the sinuosities of the shore or bank of a body of water and to ascertain the quantity of land in the adjoining fractional tracts of land subject to sale by the government. Analysis and design of meander line dipole antennas. This work investigates the insertion of the cpw elements in a compact uhf rfid meander line antenna. The arrows on the antenna represent the current flow direction and the number of the arrows illustrates the magnitude of the current distribution. Therefore, more turns of tapered meander line traces will reduce the operating frequency of the fundamental mode. A meander line antenna formed in the shape of meander is disclosed. Design and analysis of meander microstrip antenna at wireless.
Antenna design based on meander line technique to be. A microstrip meander line reconfigurable antenna for wireless. The design of meander line elements of the meander line antenna is shown in fig. Two different designs of meander line antenna are investigated, without conductor line and with conductor line. The meander arc length is the distance along the thalweg over one meander. A typical polarizer can be made of several stacked printedmeanderline sheets the \grating layer separated by dielectric spacers.
I believe they used that as a title, because they wanted to make the distinction that the meander line is not the boundary of government lot but the water boundary itself is the boundary. The meander line antenna is a type of printed antenna that achieves miniaturization in size by embedding the wire structure on a dielectric substrate. The basic structure of the meander line antenna includes a bottom half section formed by a folded conductive pattern, and a feeding point c arranged approximately at the center of the folded conductive pattern for mounting an ic chip, a top half section consisting. Pdf design and simulation of meander line antenna for lte. In this manual we are going to call this a meander line adjustment. The operating frequency of the conventional printed monopole antenna is greatly reduced by the presence of the slots and meander line which lead to the reduction of the antenna size. Design and fabrication of an electrically small meander line. Pdf a miniature rfid antenna at uhf band using meanderline. If that is not possible, experiment to determine an acceptable tradeoff between antenna performance and product size.
Section ii describes how the concept of classic meander line is formed. Pdf a miniature rfid antenna at uhf band using meander. The radiation pattern of the meander line antenna was shown in fig. Design of meander line antenna for operating frequency of. Meander line antenna with artificial magnetic conductor shivshankar tondare1 pg student microwave, dept. The nec models show that whether vertically or horizontally polarized, the patterns are too omnidirectional and the rdf is too low at around 6. Microsoft word hf meanderline antenna simulations for nvis on a hmmw 09222016.
Pdf lte is a standard for wireless data communications technology and an evolution of the gsmumts standards. Abstract the aim of this paper is to design the meander line antenna mla for the operating frequency of 3. Efficiency in bandwidth by using meander line antennas. Design and analysis of meander microstrip antenna at. The line of maximum depth, or channel, is the thalweg or thalweg line.
Meander lines mls in two configurations are presented to reduce the mutual coupling mc between two microstrip patch antenna elements. Minardo abstract for antennas to radiate at maximum ef. Inserting a slot in the ground plane between the antenna elements is a simple method to reduce the mc, while adding the mls in the slot of the ground can further reduce the mc. Long term evolution lte is a fourth generation standard for wireless communications of high data speed at the user terminal. Parametric studies which include the number of turns, line thickness, ground width, length, and line space are discussed in order to achieve the optimum value of meander line antenna s gain. Apr 30, 2018 meander line antenna, meander line antenna theory, meander line antenna wiki, meander line antenna design equations, meander line antenna meander line antenna basics.
Hf meanderline antenna simulations for nvis on a hmmw 09222016. The performance of each antenna is evaluated based on return loss, operational bandwidth, and radiation pattern characteristics. What is meander line antenna meander line patch antenna. Design of meander line antenna for operating frequency of 2. Pdf wireless communications performance depends on the efficiency of the antenna design in any wireless device. Design of a miniaturized meandered line antenna for uhf rfid. Meander line antenna mla is the most usage of antenna that use in lte. The design of meander line antenna is a set of horizontal and vertical lines. By its very nature, this is a constructive task, as grid points are successively. This evolved technology needs a cutting edge system component to be designed for the node b base station and the user. Microsoft word hf meander line antenna simulations for nvis on a hmmw 09222016. The coupling element and meander line antenna affect size of antenna and radiation efficiency in antenna structure, it has been introduced in background 36. An inductor model of meander line antenna a monopole or dipole antenna can be implemented by meander line antenna integrated on flexible printed circuit substrate.
Antenna design based on meander line technique to be applied. The design of an effective meander line antenna for rfid purposes requires balancing geometrical characteristics with the microchip impedance. In our case, for the purpose of reducing the size of transponder, a meander line antenna mla is an attractive choice. In order to determine the performance of varying design. An inductor model for analyzing the performance of printed. Experimental results and validation todetermine if thedesign in fig. Figure 1a shows the configuration of a meander line antenna of size lw 1. However, the location where the cpw elements are connected in the meander line antenna can decrease its gain. Barros florida international university, 1991 miami, florida professor tadeusz babij, major professor the mininumerical electromagnetic code mininec program, a pccompatible version of the powerful nec program, is used to.
Section i provides the overview of microstrip meander line reconfigurable antenna. The thalweg hugs the outer banks and returns to center over the riffles. Design, fabrication, and characterization of a dualbandelectrically small meanderline monopole antenna for wireless communications. The principle of operation of this meanderline ml polarizer is well known 9 and results from. Meanderline antenna is a truly transformation of monopole antenna. Design, fabrication, and characterization of a dual. Design and simulation of triangular shaped meanderline antenna. The meander line antenna includes a bottom half section that is constituted by a folded conductive pattern of a folded dipole antenna, and includes a feeding point for mounting an ic chip at the central part. Performance of a meandered line as an electrically small transmitting antenna thomas j. This inductance is important because electrically small antennas can have a signi. This paper describe the design,simulation and development of meander line microstrip antenna at. Therefore, in our work, we make a study on the meanderline antenna.
This work describes the design and implementation of an antenna based on meander line technique and ended in circular structures and two parasitic element acting as reflectors, in order to be applied as 915 mhz uhf rfid tag antenna. A meander line antenna formed by folding a conductive pattern of a folded dipole antenna in the shape of a meander is disclosed. Under nominal conditions, this antenna should exhibit impedance very close to the required nominal impedance 50 ohm. In 5 described the different designs of meander line antenna such as, mla with different thickness of vertical segment.
In this paper, the meander line antenna mla have been designed to operate at 2. Therefore, there is an issue of optimization in determining the antenna parameters for best performance. It is typically designated the borderline when rivers are used as political borders. Wide band meander line antenna for wireless communication. Meandering line square wave beverage antenna for 160 meters. Assessment of meanderline antenna covered with dielectric. Performance of a meandered line as an electrically small.
This paper proposes an electrically two type of smallsize antenna that is based on the meander antenna structure that. Antenna is an inseparable part of communication systems. Meander line antenna meander line is a type of printed antenna that can achieve miniaturization in size by embedding a wire structure onto a dielectric substrate. Design of the compact uhf rfid meanderline antenna loaded. As far as the original antenna concept of using meandering line for a shorter 160m beveragelike antenna, it turns out to be a nonstarter. Mutual coupling reduction between patch antennas using. The operation of classic meander line is changed by two p i n diodes which helps antenna to resonate at different frequencies. The novelty of the design is obtained by evaluating numerous slots and meander line that produces a new structure of double eshaped meander line antenna backed by a defected partial ground plane.
Assessment of meander line antenna covered with dielectric material for lhw heating hiroki matsuno, shuichi takamura, shun hosoi1 and noriyasu ohno2 department of energy engineering and science, nagoya university, nagoya 4648603, japan 1department of electrical engineering and computer science, nagoya university, nagoya 4648603, japan. Circular shaped fractal pifa antenna provides high efficiency and gain 7. Low bandwidth of the classic meander line antennas is a problem 3, as the classic meander line antenna is one of the microstrip antennas 4. Antenna integration and miniaturization are two major challenges. One approach to design of the general meander line antenna is to con. Pdf the effect of conductor line to meander line antenna. August design of a miniaturized meandered line antenna for uhf rfid tags md.