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. University of houston on microstrip antennas powerpoint viewgraphs from the. The paper presents the quasi newton model of artificial neural network for design of circular microstrip antenna msa. Following, we build the design and test our antenna to compare simulated results with experimental results to evaluate whether or not the designs goals were met. Design of a rectangular microstrip patch antenna at 1. A microstrip patch antenna mpa consists of a conducting patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on other side. The fundamentals of patch antenna design and performance. Design and simulation of microstrip patch antenna using ads. The antenna is operating in lte band ii having frequencies of 1850 mhz1910 mhz which is. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. The design with dgs has been analysed and the simulation using the cst microwave studio commercial software for wlan band at 5. 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.
Pdf design of rectangular microstrip patch antenna researchgate. Design of probe feed microstrip patch antenna in s band. The patch antenna is a good place to start for antenna fundamentals with more coming. Design simulation and fabrication of microstrip patch antenna. Pdf analysis and design of sshaped microstrip patch.
In the drawing above, blue area is the substrate and brown area represents the top conducting layer which is half of the antenna. We have taken a definite ground plane of 50x70 mm and patch size of 30x50 mm. Pdf the purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna.
The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. Pdf design and analysis of microstrip patch antenna for different. Dec 04, 2012 uhf patch antennas for space antenna development corporation, inc. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. 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. It also has a wide angle of beam in its radiation pattern. Therefore, microstrip patch antenna has become a major focus to the researchers in the field of antenna engineering. View microstrip patch antennas research papers on academia. A microstrip patch antenna consists of a dielectric substrate on one. However, microstrip patch antennas are having narrow bandwidth and. Pdf the purpose of this paper is to design microstrip antenna of resonant frequency 1. The radiating elements and the feed lines are usually photo etched on the dielectric substrate. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Trends in research on microstrip antennas intechopen.
Additional benefits of patch antennas is that they are easily fabricated making them cost effective. M icrostrip p atch a ntenna microstrip patch antenna consists of a radiating patch. The aim of this thesis is to design such a compact antenna for use in wirelesscellular devices. And measure the antenna parameters like return loss and radiation pattern.
Design of rectangular microstrip antenna 4 rectangular microstrip antenna simulation in visual basic the rectangular microstrip antenna patch was designed in matlab and the design program converted to a function of resonance frequency, dielectric constant, substrate height, and the desired input impedance zin. Microstrip patch antennas research papers academia. Design and improvement of microstrip patch 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. Design of a rectangular microstrip patch antenna using. The reflection coefficient is less than 10db for a frequency range of 3. Rectangular microstrip patch antenna has been designed at i ghz frequency. The patch is generally made of conducting material such as copper and gold wikipedia, 2010. We use the cavity model to explain the operation of the patch antenna. The return loss and the various gain plots have been studied along with the radiation patterns. Rectaangular microstrip patch antenna for wireless. Jan 21, 2019 circuit board fr4 flame retardant 4 is used for designing this patch antenna, since it has fabulous performance during the fabrication process. The proposed rectangular patch antenna has been devise using glass epoxy substrate fr4 with dielectric constant. Pdf design and simulation of microstrip patch antenna using.
As microstrip patch antenna mpa is low profile, less costly and low volume, it is used now a day for different applications. Threeelement vectors of cartesian coordinates in meters. Design simulation and fabrication of microstrip patch antenna 349 the proposed antenna is designed in lte band ii for 4g mimo communication. This paper gives a compact analysis and design of sshaped microstrip patch antenna which is best suited for wimax application. The center frequency will be approximately given by. 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. Name is the property name and value is the corresponding value. Microstrip patch antenna design linkedin slideshare. Microstrip patch antenna design for ku band application. A design rule for insetfed rectangular microstrip patch.
Richards, theory and experiment on microstrip antennas, ieee trans. The patch is very thin t feb 11, 2015 hfsss microstrip patch antenna design part1basics of antenna design using hfss software duration. 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. Insetfed, microstrip antenna 1 introduction microstrip patch antennas have been widely used particularly since they are lightweight, compact and cost effective. In this paper, design of two layered electromagnetically coupled rectangular patch antenna with microstrip line insetfed with minimized return loss has been proposed for the wireless devices. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant 100 is common, which means that they have small bandwidths. Analysis and design of microstrip patch antenna for radar. The antenna is operating in lte band ii having frequencies of 1850 mhz1910 mhz which is uplink frequency. In order to design a compact microstrip patch antenna, higher dielectric constants must be used which are less efficient and result in narrower bandwidth. The microstrip antennas are low profile, conformable to planar and nonplanar surfaces, simple and inexpensive to fabricate using modern printedcircuit. Design and fabrication of microstrip patch antenna. Often microstrip antennas are also referred to as patch antennas.
Applications include gps, usaf sgls, nasa sn including. Design and fabrication of a microstrip patch antenna. Microstrip patch antenna construction and design aperture. Design and analysis of microstrip patch antenna arrays. Design and implementation of patch antenna 8 figure 2. The microstrip patch antennas are associated with several advantages of being low profile, versatile, conformal and lowcost devices. Pdf design and simulation of microstrip patch antenna. The design specifications for the antenna are given as below. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable or microstrip line in our case. Design of a rectangular microstrip patch antenna using inset.
In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. By using a transmission line model we demonstrated how one can accurately. To design and fabricate a linearly polarised rectangular square microstrip patch antenna on a given substrate of thickness 0. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11.
Design of microstrip patch antenna using defected ground. In this model, a closed form expression is used for accurate determination of the resonant frequency of circular microstrip patch antenna. Pdf design a microstrip patch antenna of singal band for 1. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Microstrip patch antenna design santa clara university. Microstrip patch antenna for gps and te rrestrial radio services. The progress in modern tiny multifunctional wireless devices has dramatically increased the demand for microstrip antennas in recent years. The microstrip antenna has a planar geometry and it consists of a defected ground, a feed, a substrate, a patch and a defected ground structure.
But illustrates sizes and importance of good antenna design why microstrip antennas. Design a probefed rectangular patch antenna on a substrate having a relative. Properties not specified retain their default values. The designed antenna has a resonating frequency of 2. Analysis and design of circular microstrip patch antenna at 5. Pdf methods to design microstrip antennas for modern. Pdf fundamental properties of single layer microstrip patch antennas.
Resonant frequency of the antenna10ghz relative permittivity of the substrate. Introduction microstrip antennas basically consist of a radiating patch on one side of a dielectric substrate, which has a ground plane on the other side. Furthermore, in the last few years, such microstrip antennas found numerous applications in both the military and the commercial sectors. The design of circular microstrip patch antenna by using. The dimensions of the patch are corresponds to the resonant frequency of antenna. Design of a compact microstrip patch antenna for use in. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Thus the element and feed line, and usually other elements, power dividers, etc. The patchmicrostrip object is a microstrip patch antenna. Microstrip antenna an overview sciencedirect topics. Design of rectangular microstrip patch antenna ieee.
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 parameters evaluated were gain, beamwidth and return loss. A design rule has also been formulated and presented the performance of the proposed design. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. You can specify several namevalue pair arguments in any order as name1, value1.
In this paper, a rectangular microstrip patch antenna is designed using hfss software. These features of microstrip antennas make them suitable for various applications like, vehicle based satellite link. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. 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. The calculated resonant frequency results are in good agreement with the experimental re.
The microstrip patch antenna is a singlelayer design which consists generally of. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes. Once an antenna design is chosen, we design our antenna using a simulation program. The frequency of operation of the patch antenna of figure 1 is determined by the length l. This paper refers to a detailed analysis on the design and implementation of 4. Hence a compromise must be reached between antenna dimensions and antenna performance. Antdevco employees have designed andmanufactured spacecraft microstrip patch antennas for many small spacecraft programs. Uhf patch antennas for space antenna development corporation, inc. These antennas are capable of supporting high data rates to at least 10 watts of transmittedpower.
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