Microstrip antenna an overview sciencedirect topics. The goal is to understand the radiation mechanism, polarization, patterns, impedance and bandwidth. Microstrip antenna design parameters and tradeoffs. Common microstrip antenna shapes are square, rectangular, circular and. The geometry of a microstrip antenna consists of a dielectric substrate of certain thickness d, having a complete metalization on one of its surfaces and of a metal patch on the other side. The essential parameters for the design of a rectangular microstrip patch antenna are. Common microstrip antenna shapes are square, rectangular, circular and elliptical. Basically microstrip element consists of an area of metallization support above the ground plane, named as microstrip patch. As such, this page gives a general idea of how the parameters affect performance, in order to understand the design process. Use of ferrites in designing a patch antenna and its impact on antenna parameters is.
So while designing this antenna air is selected as a substrate. This paper provides a detailed study of how to design and fabricate a probefed microstrip patch antenna and feed point location using ie3d software and study the effect of antenna dimensions length l, and substrate parameters relative dielectric constant. Design of microstrip patch antenna array using dgs for. The most common type of microstrip antenna is the patch antenna. The designed antenna mainly contains substrate, microstrip patch antenna, ground plane, air box and virtual radiation box. The antenna only has a single radiation edge equivalent slot which lowers the directivitygain of the antenna. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Characteristics goals of conventional rectangular patch antenna frequency of operation 4.
There is a tradeoff between cost versus performance in cho. The initial microstrip patch antenna design parameters, patch length l, patch. If the center frequency is changed, it is only necessary to scale the length. Analysis and design of rectangular microstrip patch antenna at 2. Ansys hfss simulates 3d fullwave electromagnetic fields. The patch antenna is a good place to start for antenna fundamentals with more coming. For the proposed antenna the optimized parameters selected are as given below. Microstrip patch antenna design principles ben horwath. Microstrip patch antenna parameters and experimental setup simulation, fabrication and measurement 56 chapter 2 microstrip patch antenna parameters and experimental setup simulation, fabrication and measurement 2. By definition, a printed antenna is one that is fabricated using standard photolithography technique. Until 1970s, these antennas became quite popular as the advantages of. Optimization of sparameters of microstrip patch antenna. Design and simulation microstrip patch antenna using cst microwave studio slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
The dimensions of antenna are selected such that it should have good performance in terms of return loss, directivity and gain. The objective of this work is the application of ebg structures metamaterials, working at frequency of 2. The design of microstrip patch mp antenna using mothflame optimization mfo algorithm. Design and simulation microstrip patch antenna using cst. The dielectric constant that controls the resonance of the antenna is the effective dielectric constant of the microstrip line. Most microstrip antennas consist of multiple patches in a twodimensional array. Microstrip patch antenna design santa clara university. Comparison of various performance parameters of different patches of microstrip antenna fig 5. Pdf parameter design of microstrip patch antenna operating at. Microstrip patch antenna parameters, feeding techniques and. Click here to go to our page on circular patch antennas new for september 2018.
Radiation parameters what is the spatial selectivity of the element. But illustrates sizes and importance of good antenna design why microstrip antennas. Ogunlade michael adegoke, ismael saad eltoum department of electronics engineering. Analysis and design of circular microstrip patch antenna at 5.
Oct 09, 2015 microstrip antenna design using ebg electromagnetic band gap structures at 2. Mutual coupling reduction between closely placed microstrip. Design simulation and fabrication of microstrip patch antenna. Design variations on microstrip patch antenna using pcb stack. The shape and size of patch determine the frequency of operation of the antenna and its performance. The aim of the thesis is to design and fabricate an insetfed rectangular microstrip. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2.
In this project, method of moments based ie3d software is used to design a microstrip patch antenna with enhanced gain. Fundamental parameters of antennas ranga rodrigo may 12, 2010 lecture notes are fully based on books, balanis. The research paper published by ijser journal is about microstrip patch antenna parameters, feeding techniques and shape of the patch a survey, published in ijser volume 6. Analysis and design of rectangular microstrip patch antenna. Various design for rectangular microstrip patch antenna, 1x1, 1x2, 2x2, 1x4, 2x4. Design and improvement of microstrip patch antenna parameters using defected ground structure. Patch antennas have developed significantly throughout preceding years and plenty of their limitations are overcome by changes in its design and. For designing of a microstrip patch antenna, we have to select the resonant frequency. The supporting element is called substrate material which is placed between the patch and the ground plane 1. 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 of the substrate which forms a ground plane. All of the parameters in a rectangular patch antenna design l, w, h, permittivity control the properties of the antenna. The halfwave rectangular microstrip antenna has a virtual shorting plane along its center. The primary objective of the antennas used in mimo systems is to improve the bandwidth5 of the patch antenna.
As an example, the size must increase to have it work at lower frequencies. Compared with conventional antennas, microstrip patch antennas have. The proposed configuration of the antenna is shown in figure 1. The procedure for the design of a singleelement, rectangular microstrip antenna is summarized in table 1. Analysis and design of rectangular microstrip patch. Parameter design of microstrip patch antenna operating at dual microwaveband for rf energy harvester application.
How to find substrate length and width in designing a. The radiation pattern of microstrip or patch antenna is. Design variations on microstrip patch antenna using pcb. Setting up a port for a microstrip transmission line is a bit complicated. The aim of the thesis is to design and fabricate a coaxial fed rectangular microstrip antenna and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric constant. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal typically copper. Use the pcbstack to design basic, parasitic, directcoupled, and cp patch antennas. Design and improvement of microstrip patch antenna parameters. Pdf methods to design microstrip antennas for modern. This may be replaced with a physical shorting plane to create a quarterwavelength microstrip antenna. The aim of the project is to design a rectangular microstrip patch antenna with enhanced gain and bandwidth and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric constant.
Microstrip antenna design using ebg electromagnetic band gap structures at 2. Microstrip antenna design using ebg electromagnetic band gap. Determination of radius of circular microstrip antenna using. A brief tutorial on microstrip antennas part 1 microwaves. Microstrip antenna consists of a thin metallic conductor which is bonded to thin grounded dielectric substrates. The location of probe is defined by the x coordinate and the ycoordinate. According to the standard definition, gain of an antenna is the ratio of the radiation intensity in a given direction to the radiation intensity that would be obtained if the power accepted by the antenna were radiated isotropically. First, you need to choose the frequency of operation that the antenna finds the application and the type of substrate. The microstrip antenna can be fabricated with low cost lithographic technique or by monolithic. 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.
This tutorial shows how to set up a waveguide port of a microstrip patch antenna in cst microwave studio 2010. A dual band antenna and a microstrip fed patch antenna, used in the communication lab were also simulated. Pdf microstrip patch antenna parameters, feeding techniques. The patch is of length l, width w, and sitting on top of a substrate some dielectric circuit board of thickness h with permittivity. A brief tutorial on microstrip antennas part 2 microwaves. Antennas using patches as constitutive elements in an array are also possible. Microstrip patch antenna used to send onboard parameters of article to the ground while under operating conditions. In the proposed work an experimental design of microstrip patch antenna has been developed to study the various parameters controlling the performance of the antenna. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. A brief tutorial on microstrip antennas part 1 this article, the first of a multipart series on microstrip antennas, discusses antenna characterizationfrom antenna parameters to key attributes. Antennas mainly used in communicationstv antenna, mobile phone antenna, broadband antenna and every antenna has some parameters which ma. 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. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. You can specify several namevalue pair arguments in any order as name1, value1.
The gain describes the directional property of an antenna while. What dielectric constant defines the half wavelength. The resonant frequency rf of a circular patch antenna is approximately given without considering the effect of probe radius by 1. The image below shows two ways to feed the microstrip patch, on the left is a microstrip feed and on the right is a coax feed. Microstrip patch antenna how is microstrip patch antenna. Understanding the behaviour of the microstrip patch antenna and design of it for different metamaterial. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. 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. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques. The structure and the equivalent circuits of eshaped printed antenna a lightly different patch with as much bandwidth as the e patch can be realized by configuring the slits in a way that results. Results 1 to 5 of 5 optimization of s parameters of microstrip patch antenna in cst. A patch antenna is a lowprofile directional radio antenna that is used for indoor locations covering singlefloor offices, stores and small studios. The equal slits at the edge of the square patch antenna is designed for the resonance frequency of 2.
Design of a rectangular microstrip patch antenna using inset. Antenna array is mainly used to improve the antenna parameters. Design parameters and tradeoffs are presented for microstrip antennas. The parameters evaluated were gain, beamwidth and return loss. Design of a circular microstrip antenna ieee conference. Operational parameters and principles have been established. Jul 06, 2015 this video demonstrates the use of several modeling tricks in ansys hfss to create a microstrip design and excite it with a lumped port. The return loss and the various gain plots have been studied along with the radiation patterns. An antenna radiation pattern or antenna pattern is defined as a mathematical function or a graphical representation of the radiation properties of the antenna as a function of space coordinates.
A prototype of a circular microstrip antenna has been built and tested by vector network analyzer. Name is the property name and value is the corresponding value. The bandwidth of microstrip antenna can be increased by using air as the substrate. Consider the microstrip antenna shown in figure 1, fed by a microstrip transmission line. The study of microstrip patch antennas has made great progress in recent years. Microstrip antenna design handbook garg et al title says it all. An enormous development in the study of microstrip patch antennas has been. The antenna design consists of a single l yer f th ckne 1. Microstrip antenna design using ebg electromagnetic band. The most common version of printed antenna is microstrip antenna, which consists of a metallic patch above a ground plane. The permittivity should be low for large bandwidth but high to make the patch antenna smaller. Antennas and propagation slide 2 chapter 3 introduction purpose introduce standard terms and definitions for antennas need a common language to specify performance two types of parameters 1.
P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. The circular microstrip antenna exhibits appropriate required parameters depend on the feed point position, size of the circular patch and length of the microstrip line. Microstrip patch antenna parameters and experimental setup simulation. Singh for the simulation procedure but, for equivalent circuit model you can also refer the paper a design of microstrip patch antenna using hybrid fractal slot for. Microstrip patch antenna parameters, feeding techniques. 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. To summarize the rectangular microstrip antenna tutorial content at this point.
The basics of patch antennas, updated orban microwave. Simply, gain of an antenna takes the directivity of antenna into account along with its effective performance. Microstrip patch antennas are more popularly used now a days due to its various advantages such. Microstrip patch antenna used to send onboard parameters of article to the ground while flight. Design of microstrip patch antenna and feed point location. Antenna or aerial is a conductor that transmit, send and receive signals such as radio or satellite signals. Design 3 provides the antenna parameters which result in a bandwidth of 15% when no superstrate is present.
Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. Absract in this paper, a rectangular microstrip patch antenna is designed. Effect of changes in basic parameter microstrip patch antenna on its radiation patter and other parameters can be determined by using gui. When the antenna is excited, the waves generated within the dielectric undergo reflections and the energyis radiated from the edges of the metal patch,which is very low. In the proposed antenna array, all the designing parameters are selected based. Pdf design and improvement of microstrip patch antenna. Two important antenna parameters are the gain and the impedance bandwidth. Microstrip article about microstrip by the free dictionary. Tune parameters such as e reff and dl more details soon.
On the use of slots in the design of patch antennas. Design of broadband microstrip patch antenna using stack and notch techniques the antenna is fed using microstrip line on the backside of the substrate and shorted through a 0. The following image shows a microstrip or patch antenna. The second group focused on the design and simulation of patch antennas which are widely used in cell phones today with an emphasis on optimization of a 1. Design of a rectangular microstrip patch antenna using. Motilal nehru national institute of technology allahabad. It is mounted on a small, rectangular, flat surface and consists of two metallic plates placed upon each other. Singh for the simulation procedure but, for equivalent circuit model you can also refer the paper a design of microstrip patch antenna. It also has a wide angle of beam in its radiation pattern. One plate is larger than the other, which is called ground plane and. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss.
A microstrip patch antenna for optimum return loss, gain, directivity, efficiency and radiated power has been developed. Pdf micro strip patch antenna and its applications. Gain is one of the realized quantities in antenna theory. An individual microstrip antenna consists of a patch of metal foil of various shapes a patch antenna on the surface of a pcb printed circuit board, with a metal foil ground plane on the other side of the board. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Microsrtip antennas are used for number of wireless applications such as wlan 12.
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