This article describes the design, fabrication and testing of micro strip patch antennas operating at 2. The length of inset fi the gap between the patch and the insetfed gpf usualy 1 mm. Design and performance analysis of microstrip patch. Dec 28, 2011 this article describes the design, fabrication and testing of micro strip patch antennas operating at 2. The fundamentals of patch antenna design and performance. Mobile microstrip patch antenna basics and design rf microwave. In standard microstrip antennas, the efficiency and bandwidth can be extended by increasing the height of the substrate. To design a microstrip patch antenna with the microstrip feed line insetfed work on for wifi 2. Microstrip antenna design with cst my antenna simulations. In this part of the tutorial, we will use the dimension calculated in the first part to design the patch antenna in cst microwave studio. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. It is emphasised to the radiation properties of the antennasthe radiation pattern and polarization purity. Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable or microstrip line in our case.
Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to control the polarization, or for convenient layout. Antenna simulation models used in my researches and projects. The aim of the paper is to design as tacked nearly square microstrip patch antenna design for s band 2 ghz to 4 ghz and study the effect of antenna dimensions length l, and substrate parameters relative dielectric constant. Singleelement antenna design the singleelement patch antenna is the basic building block needed to implement a multipleelement phasedarray microstrip antenna. Analysis and design of ism band patch antenna array. The patch is design with different parameters like return loss, vswr, directivity along two directions. The most widely used printedcircuit antenna is the microstrip patch, which in its simplest form is a rectangular or circular patch of metal fed by the microstrip upper conductor. The rectangular microstrip patch antenna is designed using computer simulation technology cst microwave studio which is a commercially. The proposed microstrip patch antenna design has been devised using woven fiberglass cloth substrate fr4 having. The basic structure of the microstrip patch antenna is shown in figure 1. But illustrates sizes and importance of good antenna design why microstrip antennas. Hfsss microstrip patch antenna design part1basics of antenna design using hfss software duration. Inputting the parameter obtained into the cst microwave studio, draw the substrate, ground plane, patch antenna, gap between the patch and microstrip feed and microstrip feed. Design of microstrip patch antenna with inset feed in cst for ebs.
The designed antenna can be used for ism industrial, scientific and medical band and wlan applications. Refer article on design of microstrip patch antenna used. Design of a rectangular patch antenna using computer. Analysis and design of ismband patch antenna array by. In our project, a comparative study between two different feeding techniques for a rectangular microstrip patch antenna is done. Consideration is given on practical design technique, including substrate selection and antenna. Designed and simulated by cst computer simulation technology. The microstrip edge feeding and inset feeding are compared on the basis of the radiation pattern, vswr, 3dgain, 2dgain, directivity, realized gain and sparameter.
For this example, a simple square patch antenna was used and was created directly in cst studio suite. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. Design techniques for conformal microstrip antennas and their. Feb 27, 2015 the designed antennas are doublesided printed microstrip patch antenna. In the drawing above, blue area is the substrate and brown area represents the top conducting layer which is half of the antenna. Microstrip antenna an overview sciencedirect topics. The first step of designing the array is to design the individual element. There are a a lot of methods for analysis microstrip patch antenna. This video shows the design of a microstrip patch antenna in cst microwave studio 2010. Design of microstrip antenna in cst microwave studio this is the second part of the inset fed patch antenna design tutorial using cst microwave studio. Anyone with zero knowledge of cst can learn antenna design after watching this tutorial series from the beginning to end. The antenna is designed over the operating frequency is 2.
For wideband patch antenna design on new cst 2017 version, please watch this. Pdf design and simulation microstrip patch antenna using cst. Design of microstrip patch antenna the ieee maker project. Design and analysis of microstrip patch antenna arrays. Microstrip line feed is used, simulation results are obtained using cst microwave studio and the fabricated antennas are measured using wave and antenna. Mar 17, 2017 microstrip square patch antenna using cst by shamsur rahman akash duration. Cst simulation software is userfriendly and enables us to choose the most appropriate method for the design and optimization of devices operating in a wide range of frequencies. Pdf introduction on microstrip patch antenna design rectangular microstrip patch antenna with microstrip feed line theoretically to design. A design of small sized, low profile patch antenna is proposed for bluetooth applications at 2. The aforementioned antenna is designed to operate in the 5.
Design and performance analysis of rectangular microstrip patch. This mobile microstrip patch antenna design can also be applied to all the other frequency bands in the similar way as outlined here. The antenna design can be simulated and results are optimized using rf and microwave antenna design softwares such as ie3d, ansof, cst etc. Microstrip antenna design with cst in general microstrip patch antennas are also known as printed antennas. Pdf design and analysis quadband patch antenna for. I need to find the minimum level that the s1,1 db can be reached, but when i use the minoperator in the optimizer,it means. The most common type of microstrip antenna is the patch antenna. The reflection coefficient is less than 10db for a frequency range of 3. Microstrip patch antenna designed using cst microwave studio the antenna is being excited with the coaxial feed point located at distance dx and dy from the centre of the patch. In this antenna, the metal ground plane is modified by two slot confined with the width of rectangular patch. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to.
The aim of this project is to design a microstrip antenna by using flame retardant 4 fr4 substrate and roger 4350 substrate which will be operating in wireless local area network wlan. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Recently, we presented a variant of the shorted microstrip patch antenna that improved the efficiency of the small antenna, whilst not compromising the size advantages of the shorted patch. Microstrip antennas have high q q 100 is common, which means that they have small bandwidths. The optimizer tries to minimize the sparameter data.
It consists of area of metallization supported above a ground plane by a thin dielectric. Microstrip patch antenna calculator patch antenna formula. Invented by bob munson in 1972 but earlier work by dechamps goes back to1953. Due to its planar configuration and ease of integration with microstrip technology, the microstrip patch antenna has been heavily studied and is often used as elements for an array. Microstrip patch antenna using cst microwave studio. The overall design steps for designing the patch antenna in cst microwave studio involves 1.
This article presents design and analysis of a microstrip patch antenna by using two interlocking circular discs with antenna dimensions of 60 x 60 x 1. The patch antenna is a good place to start for antenna fundamentals with more coming. The frequency range in which the antenna is planed to be be propagating, the size of the antenna, the material, the gain of the antenna and the structure of the antenna. It is known that the antenna impedance will be higher than an accepted value if fed from the edge, and lower if fed from. The favor of this technique is that it puts forward low profile, high. It starts with the basics of cst and then moves onto elementary operations of cst geometry manipulations. Oct 12, 2018 cst studio suite is an industryleading em simulation tool, with multiple solvers for suitable for a wide range of applications. The simulation of the microstrip patch antenna for. Cst studio suite is suitable for designing a wide range of antenna types, including horns. Microstrip patch antennas represent one family of compact antennas that offers the benefits of a conformal nature and the capability of ready integration with a communication systems printed circuitry. Cst studio suite used to design microstrip patch array. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. By using a straightforward transmissionline model, it is possible to accurately model and analyze microstrip line insetfed patch antenna designs.
A microstrip patch antenna consists of a radiating patch on one side of a dielectric substrate which has a ground plane on the other side. 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 the opposite side. In this research paper, the authors have designed a microstrip rectangular patch antenna used in educational broadcasting service ebs. Hence in this paper the design of the rectangular microstrip patch antenna with inset feed technique is designed for 5. The patch antenna is designed using a rogers rt5880 substrate. Microstrip patch antenna design linkedin slideshare. Microstrip patch antenna using cst microwave studio defected ground structure based microstrip patch patch antenna for sband. Optimization of sparameters of microstrip patch antenna in cst. Design and simulation microstrip patch antenna using cst microwave studio 1. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Calculation of the dimension of the patch antenna, substrate, ground plane, effective dielectric constant, impedance etc.
Bimal garg, rahul dev verma, ankit samadhiya department of electronics engineering, madhav institute of technology and science, gwalior, india email. Finally, it covers the basics and advanced stepbystep antenna design. Microstrip patch antenna design for ku band application. In general microstrip patch antennas are also known as printed antennas. Consideration is given on practical design technique, including substrate selection and antenna measurements. Development of microstrip patch antenna design for sband. Microstrip patch antenna has advantages than other antenna is lightweight, inexpensive, easy to fabricate and achieve radiation characteristics with higher return loss. Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. Design and simulation microstrip patch antenna using cst. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. How to find impedance at edge of a microstrip patch in cst.
Design of microstrip antenna in cst microwave studio. Microstrip patch antenna design santa clara university. Antennas using patches as constitutive elements in an array are also possible. The center frequency will be approximately given by.
A simple design of broadband rectangular microstrip patch. Design and simulation microstrip patch antenna using cst microwave studio. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. The final antenna structures of both patch antennas are determined by inputting the data obtained from empirical equations. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Study the various feeding techniques of microstrip antenna using design and simulation using cst microwave studio. Patch antenna design tutorial with cst microwave electronic2017. Design of a rectangular patch antenna using computer simulation technology cst nik nurul azuin bt nik abdul rahman, id no 2010702499, group. Design and simulation of microstrip rectangular patch. Mustafa nawaz department of electronics and communication engineering, pet engineering college, india abstract a microstrip patch antenna is a metallic strip or patch mounted on a dielectric layer over a ground plane. Cst microwave studio is used to design the metamaterial based rectangular microstrip patch antenna. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. To design the microstrip feed line insetfed the input impedance is usually 50 the width of microstrip feed line wf.
Microstrip patch antenna used to send onboard parameters of article to the ground while under operating conditions. Thus the element and feed line, and usually other elements, power dividers, etc. Microstrip square patch antenna using cst by shamsur rahman akash. A micro strip patch antenna consists of a very thin metallic. There are few basic things that must be known before designing an antenna in. John herrmann, zach dyals, and angel arcia abstract the objective of this report is to document the design, analysis, fabrication, and measurement of a directional antenna with a 50. Ee2405a abstract a design of a microstrip rectangular patch antenna is presented in this paper. Simulation results the design of conventional and our proposed circular microstrip patch antennas is carried out with simulation soft cst microwave studio. I have to design a reconfigurable microstrip patch antenna, which is able to reconfigure between two different frequency bands. The frequency of operation of the patch antenna of figure 1 is determined by the length l. The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. The software includes application libraries featuring a variety of antenna examples such as a microstrip patch antenna array used as transceivers of radar and rf. Design of rectangular microstrip patch antenna ieee. These can be used to simulate antenna radiation patterns, installed performance and coupling in realistic environments.
A patch antenna is made of several components first is the ground plane which acts as the reference for the antenna to sit on top of. Through these sources, i gained a basic knowledge of microstrip patch antenna design, which is basically creating a directional antenna structure using printed circuit board pcb material. Design and analysis of microstrip patch antenna for 2. Microstrip square patch antenna using cst by shamsur rahman akash duration. The antenna system is been designed anchored in adds cslot design on the patch and two parallel slit on the ground plane.
Study the various feeding techniques of microstrip antenna. There are few basic things that must be known before designing an antenna in general such as. Design of microstrip patch antenna mpa in cst mws full hd duration. In order to describe the algorithm for the design of conformal microstrip antennas, for the sake of simplicity, let us first consider a probefed planar microstrip antenna with a gular patch of length lpa and width wpa, mounted on a dielectric substrate of thickness hs, relative permittivity. The patch is created on a doublelayered substrate with an air gap and is placed inside an abs box.
Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. This video shows how to design a wideband patch antenna or monopole antenna in cst from the scratch including simulation results s11. 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. It covers microstrip based dcs band design example of mobile patch antenna.
851 647 246 1274 1346 889 524 502 596 934 569 1328 579 151 1276 475 709 1358 778 718 258 1497 290 4 707 210 1497 266 390 834 1017 1538 1298 462 755 789 247 345 664 418 1332 400 427 4 113 611 389 256 668 911