Keywords meander line microstrip antenna, rectenna, rf energy harvesting. A long term evolution lte applications based antenna is designed with different meander lines, are exhibited in 9. Design of meander line antenna for operating frequency of. A seriesfed microstrip patch array with interconnecting crlh. It consists of a monopole antenna running parallel to a ground plane and grounded at one end. Meander line is a kind of patch antenna and it was included in the literature in 1991 by rashed and tai. Design equations for microstrip patch antenna design antenna. Meander line patch and square ring patch with four diu o f proposed antenna are about 70% and 50% ofreferenced antenna size. Design and comparative study of meander antenna and microstrip.
The operation of classic meander line is changed by two p i n diodes which helps antenna to resonate at different frequencies. The designed antenna has a frequency bandwidth of 184 mhz with the upper cutoff frequency of 2. Slot meander patch antennas are designed for fourthgeneration longterm evolution 4g lte. This antenna design uses transmission line model where a meander line antenna of length l and width w can be viewed as a wide transmission line that is resonating with electric field. Soh were designed a dual beam meander line antenna. Microwave office software is used for simulation designed process. A compact meandertype slot antenna with 56% size reduction has been reported in 2 in which nonuniform slot line widths give rise to lower operating frequency of the antenna. Antenna geometry the meander line antenna, as shown in figure 1 has been designed for triplebad frequencies at 0. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Pdf the study of different impedance meander line for microstrip. In this application, there is a need for directive transponders to select properly the target tag, which in turn must be ideally isotropic. Parametric analysis of a miniaturized slotted patch. Two different designs of meander line antenna are investigated, without conductor line and with conductor line.
It can be used to implement required distributedelement rf components such as filters, while at the same time being economical because the same mass production methods are used as for printed circuit boards. A planar invertedf antenna pifa is used for wireless circuitry implemented in microstrip. The 3d view for gain of meander line antenna is also shown in fig. A meander antenna with reconfigurable polarization for. Section i provides the overview of microstrip meander line reconfigurable. Mutual coupling reduction between patch antennas using. We will use the empirical equations to come up with a meander line antenna mla that has a resonant frequency of 2. The proposed mpsa was designed by etching the mls along the radiating edge of the patch antenna, and it enhanced the relative permittivity sensitivity with an additional effect of miniaturization in the patch size by increasing the slot length. Compared to the reference antenna design, using a meander line slot loaded to the antenna patch, it can achieves several performance. The antenna has shown significantly size reduction in comparison to a conventional microstrip patch antennas. A compact meander type slot antenna with 56% size reduction has been reported in 2 in which nonuniform slot line widths give rise to lower operating frequency of the antenna. An antenna includes one or more conductive elements for acting as radiating antenna elements, and a slow wave meander line adapted to couple electrical signals between the conductive elements, wherein the meander line has an effective electrical length which affects the electrical length and operating characteristics of the antenna. Antenna design to assure the tripleband operation the antenna is formed of meander line, two rectangular shapes and stub. 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.
The meander line is preferred over all other techniques due to lowprofile, ease of printing and lowcost. A miniature rfid antenna at uhf band using meanderline. The loop the simplest type of antenna, the loop, is just a closed loop of pcboard copper connected to the transmitters or. Invertedf antenna the invertedf is a quarterwave antenna. A novel meander line microstrip logperiodic dipole. The antenna has a meander line with two rectangular shapes and stub. The performances of the antenna are studied numerically by using the common commercially available simulation software cst mws. A novel meander line microstrip logperiodic dipole antenna. In this video standard design equations that are used to design microstrip patch antenna are expained you can download the software from the below l.
What is meander line antenna meander line patch antenna youtube. 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. Mutual coupling reduction between closely placed microstrip. Design and analysis of meander microstrip antenna at wireless. The design of meander line antenna is a set of horizontal and vertical lines. By using the patch antenna the return loss, gain, directivity increases in the resonant frequency of 12ghz operates at the x band and useful for satellite communication than meander antenna.
An invertedf antenna is a type of antenna used in wireless communication. A novel meander line integrated ea wiley online library. The patch antenna is a good place to start for antenna fundamentals with more coming. Design of compact dualband microstrip patch antenna essay. The first resonance of meander dipole antenna is at 200 mhz. A meander line resonator is sandwiched between them to reduce mutual coupling between the radiating elements. Transmission line easiest, can be done in excel cavity higher accuracy, higher complexity full wave very accurateadaptable, super complex. What is meander line antenna meander line patch antenna. Analysis and design of meander line dipole antennas. The proposed structure consists of rectangular meander line on radiating. On one side there is the board dielectric, and on the top is usually air.
Design and comparative study of meander antenna and. In the first configuration, one ml is inserted in the slot of the ground and a. However, there still is a need for a meander line antenna that can provide wider frequency bandwidth for 5. Resonator is designed to block surface current at resonant frequency of two patch antenna. Invertedf and meander line antennas 2 invertedf antenna input output quarterwave figure 2. To determine the layout of the array and achieve the required antenna impedances and interconnecting crlh transmission line lengths, the simulation tool momentum in the advanced design system ads software 14 was used. Mar 30, 2005 the most popular are the loop, patch, invertedf, and meander line. The original inspiration came from hf meander antennas physically short antenna for impractically long wavelength for a normal dipole or vertical, but bt and wifi antennas inspired me to try to build something flat, maybe on a piece of pcb, but for much lower frequencies 2m or 70 cm and make it usable in restricted conditions, e.
Design and analysis of a folded meander dipole antenna using. The radiation pattern of the meander line antenna was shown in fig. Experimental results and validation todetermine if thedesign in fig. The proposed antenna which operate at resonant frequencies 1. In this paper, comparison of rectangular, square, circular and meander patch microstrip antenna are done using hfss software and meander is found to be the most effective. The most popular are the loop, patch, invertedf, and meander line. In this paper, a classic meander line is investigated for a single band operation with wider bandwidth. Bae systems information and electronic system integration inc. Dgs is incorporated in the ground plane under the patch antenna to improve its. Invertedf and meander line antennas application note. The authors in 6 proposed a meanderline structure for pcmcia cards at 2. One standard meanderline antenna and other two nonstandard meander antennas have. The study of meander line for microstrip and planar design ieee. In this paper we show that a dualfrequency operation is achieved by using a tapered meander slot antenna with a shortended microstrip line feed.
Size reduction and bandwidth enhancement of aperture coupled. 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. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Jul 21, 2017 in this video standard design equations that are used to design microstrip patch antenna are expained you can download the software from the below l. In the first configuration, one ml is inserted in the slot of the. As a result of this process, it is obtained that diminishing. The antenna was simulated on a rogers rtduroid 5880 substrate with. A microstrip meander line reconfigurable antenna for wireless. A tripleband meander line with two rectangular shapes. Antennas using patches as constitutive elements in an array are also possible. The feed point is located somewhere between the earth end and the open end.
However, there still is a need for a meanderline antenna that can provide wider frequency bandwidth for 5. A triangular patch antenna for uhf band with microstrip. A microstrip meander line reconfigurable antenna for. A dualband microstrip rectangular patch antenna for wlan in vehicular communication applications is proposed. The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or. To investigate the proposed antenna design shown in figure 1, high frequency structure simulation hfss software 21 are used for simulation and optimization. The proposed antenna composed of a lowprofile cylindrical monopole with a toploaded meander line patch for kpcs operation, and a comertruncated squarering microstrip patch antenna with fourslits for gps ooeration. The antenna is center fed and it is symmetric about its origin. The design has two advantages over a simple monopole. This paper proposed a new design of slotted cpw planar microstrip patch antenna with 2 numbers of meander line for wireless systems applications. 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. A triangular patch antenna for uhf band with microstrip feed.
The microstrip format is the format of choice for modern rf electronics. The gain of the antenna is efficient for meander line antenna to operate well at 2. Design of meander line antenna for operating frequency of 2. Shielded spiral sheet antenna structure and method. The meander line antenna was proposed by rasheed and tai for reducing the resonant length4.
Meander line loaded tunable patch antenna us6677915b1 en 20010212. The antenna is fabricated on a doublesided fr4 printed circuit board using an etching. The most common type of microstrip antenna is the patch antenna. Design of meanderline antennas for radio frequency. Two meander antennas are used, one is placed horizontally and other is placed vertically. Implementation of slotted meanderline resonators for isolation enhancement in microstrip patch antenna arrays propag. Combination of horizontal and vertical lines forms turns.
Meander line slot is loaded to the antenna patch to reduce the dimension of the proposed antenna design. Size reduction and bandwidth enhancement of aperture. Meander line antenna is the most usage of antenna that use in design of these applications. A patch antenna is a narrowband, widebeam antenna fabricated by etching the antenna element pattern in metal trace bonded to an insulating dielectric substrate, such as a printed circuit board, with a continuous metal layer bonded to. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Dual band meander line antenna for wireless lan communication. A highsensitivity microstrip patch sensor antenna mpsa loaded with a meander line slot mls is proposed for the measurement of relative permittivity. Design and simulation of meander line antenna for wireless. The dipolemeander class creates a meander dipole antenna with four dipoles. The antenna characteristics before and after applying a meander line slot are numerically investigated. Meander line antenna is a type of the microstrip antennas.
This paper presents optimization problem formulations to design meanderline antennas for passive uhf radio frequency identification tags based on given specifications of input impedance, frequency range, and geometric constraints. Spiral inductors are much more efficient but require an air bridge to connect inner end of an inductor. In this paper, they have investigated the parasitic element of the meander line antenna. This paper presents optimization problem formulations to design meander line antennas for passive uhf radio frequency identification tags based on given specifications of input impedance, frequency range, and geometric constraints.
This inductance is important because electrically small antennas can have a signi. Soh designed a planer meander line antenna to operate in a frequency of 2. A miniature rfid antenna at uhf band using meanderline technique. Photograph of the meander line antenna with the coupled patch.
The aim of this research is to achieve smaller size, better bandwidth and good radiation capability. In order to meet the demand of developing communication equipment the research of antennas focuses on some particular aspect, for instance, how to reduce the size of antennas while maintaining. Design and analysis of meander microstrip antenna at. Pdf design and simulation of meander line antenna for lte. In proposed antenna,feeding mechanism510 plays an important role in the design of microstrip patch antenna. Ads software is used to compute the bandwidth, gain, directivity, and s11 of the antenna. Design of meander slotted patch antenna for wireless. The design of our patch antenna founded on meander line technique is presented in this s ection and. Oct 17, 2018 a dualband microstrip rectangular patch antenna for wlan in vehicular communication applications is proposed. Meandering the patch increases the patch over which the surface current flows. Pdf design and simulation of meander line antenna for. A seriesfed microstrip patch array with interconnecting.
Microstrip patch antenna design santa clara university. Design and analysis of a folded meander dipole antenna. Design, fabrication, and characterization of a dual. Design of meandered pifa antenna for wireless application. But illustrates sizes and importance of good antenna design why microstrip antennas. Meander line loaded tunable patch antenna us6404391b1 en 20010125. This can bea straight trace inverted f, type trace, meandered trace, circular trace, or a curve withwiggles depending on the antenna type and space constraints. A novel multiband planar invertedf antenna with meander line and slots applied on the radiating patch has been introduced. So meander antenna is used to achieve polarization reconfigurability at operating frequency of. The antenna is fed from an intermediate point a distance from the grounded end. In this section, all the pcb designs will have their layouts using pads 9.