A seriesfed microstrip patch array with interconnecting crlh transmission lines for wlan applications bilal ijaz, sayan roy, muhammad mubeen masud, adnan iftikhar, sanjay nariyal. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. In, circular microstrip patch antennas cmpas were proposed as potential wireless passive strain sensors for shm applications. In the case of a microstrip line fed antenna, where the source and the transmission line. In this application, there is a need for directive transponders to select properly the target tag, which in turn must be ideally isotropic.
I am designing a microstrip patch with coaxial feeding for my project. I am designing a meander line antenna using cst, the antenna is simply a monopole, the ground plane is on the top of substrate and i want to connect the antenna with ground plane. How to draw coaxial feeding line to microstrip patch in hfss. Wireless strain measurement using circular microstrip. The best feeding point from the geometry of microstrip patch antenna we can understand that to couple the maximum energy to it the feed is provided beneath the ground directly see fig. The proposed antenna comprises a rectangular microstrip patch element embedded with several numbers of meander. Apr 30, 2018 meander line antenna hfss, meander line antenna tutorial, advantages of meander line antenna, a wideband metamaterial meander line antenna, dual band meander line antenna for wireless lan. Meanderline antenna is a truly transformation of monopole antenna. What is meander line antenna meander line patch antenna youtube. Comparison of different types of microstrip patch antennas sumanpreet kaur sidhu. Design, simulation and implementation of microstrip meander line. Microstrip patch sensor antenna for relative permittivity. Paper titled meander line slotloaded highsensitivity microstrip patch sensor antenna for permittivity measurement is a good paper for readers and new researchers. These are line feed 5, probe feed 1 and 8, aperture coupled feed 4 and proximity coupled.
Antennas are essential wherever wireless communication required. The design of our patch antenna founded on meander line technique is presented in this s ection and. Microstrip line is most popular for antenna designs due to due to its smaller size, ease in fabrication and easier troubleshooting. 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. The all results of proposed antenna were simulated by hfss. Antenna design based on meander line technique to be applied to.
It consists of rectangular substrate and the metal trace layer as shown in fig. Design of a rectangular microstrip patch antenna using. Lowprofile patch antenna with parasitic elements for cubesat applications. It will be helpful for those who do not know about it or find. A seriesfed microstrip patch array with interconnecting crlh transmission lines for wlan. Rectangular microstrip patch antenna for wireless communications at 6. Design of a small radio frequency identification tag antenna using a corrugated meander line applicable to a drug runout sensor system. Pdf a miniature rfid antenna at uhf band using meanderline.
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. Microstrip antennas are excited for radiation modes using different techniques which lead to best impedance matching between the feed line and the patch. The fundamentals of patch antenna design and performance. First the model of the microstrip patch antenna has to be drawn in hfss. Benefits or advantages of microstrip antenna following are the benefits or advantages of microstrip antenna. The authors in 6 proposed a meander line structure for pcmcia cards at 2. This paper describes two techniques which use microstrip line and also coaxial line as feed line for a rectangular patch. It was shown that regardless of the material used for the fabrication of the antenna sensor there was a linear relationship between strain and the resonant frequency of the cmpa. Soh designed a planer meander line antenna to operate in a frequency of. The return loss, vswr curve, radiation pattern and gain are evaluated. So meander antenna is used to achieve polarization reconfigurability at operating frequency of 2. The design of meander line elements of the meander line antenna is shown in fig.
The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. A seriesfed microstrip patch array with interconnecting crlh. What i will also like to know is how skycross seem to be able to use this design technique to control the radiation patterns and obtain a broadbanddualabnd antenna with acceptable gain. Design of a meandered line microstrip antenna with a slotted.
The gain of a siw patch antenna may be enhanced using. The design of our patch antenna founded on meander line technique is presented in this s ection and its geometry is expo sed in figure 1. Dgs is incorporated in the ground plane under the patch antenna to improve its. Rectaangular microstrip patch antenna for wireless. The antenna parameters are optimized by using ansoft hfss software. We will use the empirical equations to come up with a meander line antenna mla that has a resonant frequency of 2. Apr 19, 2016 hi, i am writing this post to elaborate on how can we determine the input impedance of patch antenna using deembed option in hfss. Although the line techniques can successfully rewx duce the transverse size of the antenna, the longitudinal size is still large. Hfss is used to simulate expected characteristics which are resonant frequency. The patch antenna is a good place to start for antenna fundamentals with more coming. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. In the case of a microstrip line fed antenna, where the source and the transmission line characteristic impedance or the transmission line and the antenna edge impedance do not match, waves are reflected.
In case of meander line if meander spacing is increase resonant frequency decreases. A microstrip meander line reconfigurable antenna for wireless applications avinash kumar1. A meander antenna with reconfigurable polarization for. The microstrip patch antenna calculator determines the length l and width w of a rectangular microstrip patch antenna for a given resonant frequency or vice versa.
Characteristics goals of conventional rectangular patch antenna frequency of operation 4. Design of meander line antenna for operating frequency of 2. Uhf patch antennas for space antenna development corporation, inc. In the proposed antenna, the linearly polarized meandered line acts as the main radiator whereas the inverted cshaped patch acts as a parasitic element. What is meander line antenna meander line patch antenna. Combination of horizontal and vertical lines forms turns. For planar antenna designs such as patch or meander line pcb antennas, hfss provides a 2. Design rectangular patch antenna using hfss part 1 duration. Section i provides the overview of microstrip meander line reconfigurable. The coupling element and meander line antenna affect size of antenna and radiation efficiency in antenna structure, it has been introduced in background 36.
Pdf design and simulation of meander line antenna for. Implementation of slotted meanderline resonators for. This type of antenna had its first intense development in the. But illustrates sizes and importance of good antenna design why microstrip antennas. Mar 07, 2016 analysis and design of microstrip square patch antenna using hfss simulation tool. Design of microstrip patch antenna in hfss full hd duration. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. The design of meander line antenna is a set of horizontal and vertical lines.
The proposed antenna composed of a lowprofile cylindrical monopole with a toploaded meander line patch. Meander lines mls in two configurations are presented to reduce the mutual coupling mc between two microstrip patch antenna elements. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. A compact meandered microstrip patch antenna essay 2172 words. Design of compact dualband microstrip patch antenna essay. Patch antennas and microstrip lines 51 amount of power that is transferred to the load or the amount of power reflected back. They operate at microwave frequencies where traditional antennas are not feasible to. Dear sirmadam, let me know how to draw coaxial feeding line in hfss and ie3d. Its the final year presentation at 75% of its full flow. A miniature rfid antenna at uhf band using meanderline. In the view of design, selection of patch width and length are the major parameters along with feed line depth. Microstrip patch antennas are the transmission line model, cavity model, and full wave model. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal typically copper. After investigating various slot shapes, in the patch and the feed line, and observing their performance with regard to the uwb antenna.
The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. The circuit model of the proposed conguration is carried out in this. 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. Ansoft high frequency structure simulator hfss is used to simulate expected characteristics which are resonant frequency, bandwidth, vswr, and radiation pattern. Table 1 displa y the optimized dimensions of our antenna. Analysis and design of rectangular microstrip patch antenna. Designing for designing of a microstrip patch antenna, we have to select the resonant frequency and a dielectric medium for which antenna is to be designed. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. In hfss i used lumped port and it works fine, when i tried to do it in cst, with same. Meander line antenna is designed using hfss tool and matlab is used to. Pdf analysis and design of eshape meander line antenna. Patch antennas the fundamentals of patch antenna design and performance by gary breed editorial director m icrostrip patch antennas also just called patch antennas are among the most common antenna types in use today, particularly in the popular frequency range of 1 to 6 ghz. Analysis of feeding techniques of rectangular microstrip. 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.
Design of meanderline antennas for radio frequency. The implementation of a slotted meander line resonator smlr is done by creating defect in the microstrip structure particularly designed for bandnotch function. Jan 01, 2012 meander line patch and square ring patch with four diu o f proposed antenna are about 70% and 50% ofreferenced antenna size. The resonator is designed to block the surface current at the resonant frequency of the two patch antennas coupled along hplane and operating at a frequency of 4. A triangular patch antenna for uhf band with microstrip. Hence microstrip patch antenna found its place in mobile phones and other rf circuit designs requiring constained antenna devices. Dec 04, 2012 introduction in its most basic form, a microstrip patch antenna consists of a radiating patch on oneside of a dielectric substrate which has a ground plane on the other side for good antenna performance, a thick dielectric substrate having a low dielectric constant isdesirable since this provides better efficiency, larger bandwidth and better. A highsensitivity microstrip patch sensor antenna mpsa loaded with a meander line slot mls is proposed for the measurement of relative permittivity. The parameters evaluated were gain, beamwidth and return loss. Mutual coupling reduction between patch antennas using. In this article, the design and analysis of a meandered line monopole antenna with a defected ground structure dgs for rfid applications are investigated. Microstrip meander slot antenna is mostly utilized in modern. The antenna was simulated on a rogers rtduroid 5880 substrate with.
Bandwidth enhancement of microstrip line inset fed patch. Investigation of meander slots to microstrip patch patch. The proposed mpsa was designed by etching the mls along the radiating edge of the patch antenna, and it enhanced the relative. Microstrip patch antenna miniaturization by using split ring resonators which are inplane for wlan application goutham v student, dept of ece ait, chikkamagaluru, karnataka, india vani h. Ansys hfss is ideal for designing and optimizing antennas, such as this vivaldi array. The patch antenna calculator calculates length and width as outputs and requires. Also, the length of the patch can be calculated from the specified equation 3. Pdf design and simulation of meander line antenna for lte. Design and simulation of meander line antenna for lte communications based on defected ground structure. Meanderline slotloaded highsensitivity microstrip patch.
Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. This close coupling allows improving bandwidth and reducing stray radiation. Determining input impedance of patch antenna in hfss. The structure of the micro strip patch antenna consists of a thin square patch on one side of a dielectric substrate and the other side having a plane to the ground. 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. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Meander line patch and square ring patch with four diu o f proposed antenna are about 70% and 50% ofreferenced antenna size. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Mutual coupling reduction between closely placed microstrip patch antenna using meander line resonator jeet ghosh1, sandip ghosal2, debasis mitra1, and sekhar ranjan bhadra chaudhuri1 abstractan approach of reducing mutual coupling between two patch antennas is proposed in this paper.
The return loss and the various gain plots have been studied along with the radiation patterns. The tool which they have used to design the antenna was hfss. Keywords microstrip patch antenna, hfss software, line inset fed, bandwidth enhancement, cost low. The high frequency structure simulator hfss is used to design and simulate the antennas behavior over the different frequency ranges. Introduction 50 microstrip patch antennas are becoming most useful because they can be printed directly onto a circuit board. Microstrip patch antenna miniaturization by using split ring. A triangular patch antenna for uhf band with microstrip feed line for rfid applications twinkle kundu1 and davinder parkash2 1m.
Feb 11, 2015 this video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. The desired microstrip patch antenna design is initially simulated by using hfss simulator and patch antenna is. Design of meander slotted patch antenna for wireless. It is not easy to obtain a good impedance by selecting the position of the shorting posts. Hi, i am writing this post to elaborate on how can we determine the input impedance of patch antenna using deembed option in hfss. Mutual coupling reduction between closely placed microstrip patch antenna using meander line resonator jeet ghosh1, sandip ghosal2, debasis mitra1, and sekhar ranjan bhadra chaudhuri1 abstractan approach of reducing mutual coupling between two patch antennas is proposed in. 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. Advantages and disadvantages of microstrip patch antenna. R associate professor, dept of ece ait, chikkamagaluru karnataka, india abstract combining the antenna miniaturization and bandwidth. Microstrip patch antenna calculator patch antenna formula.
In this paper, a classic meander line is investigated for a single band operation with wider bandwidth. Therefore, in our work, we make a study on the meanderline antenna. The design and simulation of patch antennas is widely used in mobile cellular phones today, and our emphasis in this work is on optimization of a 2. A triangular patch antenna for uhf band with microstrip feed. The dimensions of antenna can be found in the hfss simulation file. Microstrip line feedingedge feeding substrate material. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2. They are the indispensable link between the contained signal and the ether.
If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Consider the microstrip antenna shown in figure 1, fed by a microstrip transmission line. A seriesfed microstrip patch array with interconnecting. The patch is of length l, width w, and sitting on top of a substrate some dielectric circuit board of thickness h with permittivity.
The operation of classic meander line is changed by two p i n diodes which helps antenna to resonate at different frequencies. 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. Tls are adopted instead of meander line microstrip lines to. As the microstrip patch antenna consist of a ground a patch and a substrate. In this paper a meander line monopole patch antenna with microstrip line feed has been designed for wireless lte application in the frequency band covering lte 7, 15, 16 fdd bands and lte 40 tdd band. I am designing a meander line antenna using cst, the antenna is simply a. Element method fem based high frequency structure simulator hfss to solve the electromagnetic fields in the solution region. Development and performance enhancement of mems helix antenna for thz applications using 3d hfss based efficient electromagnetic optimization. In its most fundamental form, a micro strip antenna consists of a radiating patch on one side of a dielectric substrate which has a ground plane on other side as shown.
Analysis and design of circular microstrip patch antenna at 5. The 2x2 patch array antenna is simulated using ansoft hfss. Microstrip meander slot antenna is mostly utilized. The radiation pattern of the meander line antenna was shown in fig. Hi all, i will like to know the basics of designing a meander line antenna. The analysis was carried out using ansoft high frequency structure simulator hfss. A microstrip meander line reconfigurable antenna for. Microstrip slotted meander line antenna with a diverse number of meander slots is presented for 2. Multislot microstrip antenna for ultrawide band applications. The dimensions of antenna can be found in the hfss. Pdf a microstrip meander line reconfigurable antenna for. Microstrip patch antenna design santa clara university. Therefore, there is an issue of optimization in determining the antenna parameters for best performance.
One standard meanderline antenna and other two nonstandard meander antennas have. Electrically small antennas pose several performance related issues such as narrow bandwidth, low gain and high cross polarization. Design of meander line antenna for operating frequency of. Patch antenna loaded with meander line and partially. Patch antenna design using hfss ozen engineering and ansys. Mutual coupling reduction between closely placed microstrip. Refer microstrip line basics and types and desgin of microstrip patch antenna for mobile for more information. The inductance l results of the current flowing along the microstrip line, and the.
Design and fabrication of an electrically small meander line. A microstrip meander line reconfigurable antenna for wireless. The design of an effective meander line antenna for rfid purposes requires balancing geometrical characteristics with the microchip impedance. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. In this paper, the meander line antenna which operates at 2.
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