When air is used as the dielectric substrate, the length of the rectangular microstrip antenna is approximately onehalf of a freespace wavelength. The first design concept is a conventional inset fed square microstrip patch antenna which has a return loss level of 35. The most commonly employed microstrip antenna is a rectangular patch which looks like a truncated microstrip transmission line. Designing of square microstrip patch antenna using metamaterial. As a universal part of daily work and personal life, the development of the mobile phone device entails the opportunity to examine how technology drivers are pushing for the integration of real life with. Microstrip patch antenna calculator patch antenna formula. The effects of ground plane size on the characteristics of a square microstrip patch antenna designed on a lowpermittivity substrate with an air gap were. Microstrip patch antenna directivity, antenna design. The main category is antenna design calculators that is about antenna design calculators. Effects of ground plane size on a square 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. For a square patch we calculate the following approximation for directivity. The patchmicrostrip object is a microstrip patch antenna. Microstrip square patch antenna using cst by shamsur. We have designed the rectangular and square patch microstrip antenna based on the transmission line model. Figure 7 from design a square microstrip patch antenna for. It is shown that the design adopted for microstrip patch antenna is quite accurate. Optimum dimension of the antenna is obtained by simulating the design. Create microstrip patch antenna matlab mathworks india. Richards, theory and experiment on microstrip antennas, ieee trans.
In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. Click here to go to our page on circular patch antennas new for september 2018. Figure 7 from design a square microstrip patch antenna for s. By using microwave office 2006 software awr for design simulation to. Bandwidth enhancement of microstrip patch antenna using. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces.
This section deal with the design aspects of the square microstrip patch antenna for the operating frequency range of 2. Scale 62 estimated directivity of circular patch on a large ground plane for either linearly or circularly polarized antenna. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Design equations for microstrip patch antenna design antenna design part2 duration. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof. Figure 3 from design a square microstrip patch antenna for. Alakmajumder design of an hshaped microstrip patch antenna for. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. A microstrip patch antenna is comprised of a radiating metallic patch situated on one side of a nonconducting substrate panel with a metallic ground plane placed on the other side of the panel.
Global communications technology is growing rapidly along with the number of telecommunications services are held, especially space technology for satellite communications. Refer microstrip line basics and types and desgin of microstrip patch antenna for mobile for more information. It is designed with two port square microstrip antenna for operating ghz frequency range. By increasing the width, the impedance can be reduced. For a square patch antenna fed in the manner above, the input impedance will be on the order of 300 ohms. It covers microstrip based dcs band design example of mobile patch antenna. The square micro strip patch antenna was analyzed using ansoftansys hfss. 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. In this video standard design equations that are used to design microstrip patch antenna are expained you can download the software from the below link of my drive. A circular patch on a large ground plane has a similar equation. A single and dual probefed square patch antenna cut from a rectangular patch, having symmetric pattern of cross slots is designed.
Design a square microstrip patch antenna for sband application doi. 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. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. The return loss and the various gain plots have been studied along with the radiation patterns. Advantages and disadvantages 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. Design of an 8x1 square microstrip patch antenna array 73 uniform dielectric can support a single well defined mode of propagation at least over a specific range of frequencies tem for coaxial lines te or tm for wave guides. However, such a configuration leads to larger antenna size. As a universal part of daily work and personal life, the development of the mobile phone device entails the opportunity to examine how technology drivers are pushing for. This paperdeals with the problem of size and performance of antenna.
By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. Design analysis of microstrip rectangular patch array. But illustrates sizes and importance of good antenna design why microstrip antennas. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Design of corner truncated microstrip square patch antenna for multiconstellation gnss applications proceedings of international academic conference on electrical, electronics and computer engineering, 8th sept. Design a square microstrip patch antenna for sband. A design of square fractal antenna with microstrip feed for. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. Pdf 79 abstract this research aims at designing and analysis of square microstrip patch antenna, communication between humans was. It stated in a nanosatellite research for digital image processing dip. Abstract in this work, rectangular microstrip patch antenna rmpa along with metamaterial which has square split ring resonator. Microstrip or patch antennas are becoming increasingly useful because they can. The width w of the microstrip antenna controls the input impedance. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11.
Figure 4 shows a typical radiation pattern for a square, half wave patch. Microstrip square patch antenna using cst by shamsur rahman. Design and simulation of wideband square microstrip patch antenna. The design of microstrip antenna array using planar technique with models of 2. The following image shows a microstrip or patch antenna.
The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. The basics of patch antennas, updated orban microwave. This paper presents design and simulation of a square micro strip patch antenna at 2. Most often, microstrip antennas are made by etching the patch from a printed circuit board with conductor on both sides. Antenna design, fifth generation, fr4, antenna gain, microstrip patch antenna, 4x1 linear array antenna. Design of an 8x1 square microstrip patch antenna array. 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. The software used to model and simulate the microstrip patch antenna is zeland incs ie3d software. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. The radiating elements and the feed lines are usually photo etched on the dielectric substrate. This antenna is easy to integrate with microwave circuitry for low manufacturing cost. Scale 61 estimated directivity of square patch on a large ground plane for either linearly or circularly polarized antenna. Refer article on design of microstrip patch antenna used.
The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes. Microstrip antennas have become fashionable in some wireless communications systems, such as in the use of arrays with parabolic reflectors or even in the use of a patch antenna in the back of a cellular phone, as shown in figure 5. This paper presents design and simulation of a rectangular microstrip patch antenna at 6. In this paper a square microstrip patch antenna has been designed at 2. Microstrip antenna is chosen since it has several advantages such as small dimensions and relatively low costs. A novel best results micro strip patch antenna is presented. Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. An additional resonance is introduced by the crr to broaden the bandwidth. Design and analysis of 28ghz rectangular microstrip patch. This provide better bandwidth of 53 mhz with return. For a square patch antenna fed in the manner above, the input impedance. The top metallic flat region, which is called the patch antenna, sits on a dielectric substrate.
My question is for a simple patch antenna when we are trying to calculate a width and length for the patch for a given frequency and substrate thickness. This link is listed in our web site directory since wednesday mar 29 2017, and till today microstrip patch antenna calculator has been followed for a total of 236 times. The dielectric constant of the substrate material is an important design parameter. This antenna is a microstrip rectangular array antenna that works on xband with a frequency of 9. We use the cavity model to explain the operation of the patch antenna. Next well consider more aspects involved in patch microstrip antennas. Threeelement vectors of cartesian coordinates in meters. Shows the geometry of the proposed equal slitted square shape micro strip patch antenna the equally edge slitted square patch antenna simulation results are. Design of microstrip patch antenna for wireless communication. The radiation pattern of microstrip or patch antenna is. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2.
The selection of substrate materials play important role for antenna design is shown in table 3 and table 4. Design equations for microstrip patch antenna design antenna. Shows the geometry of the proposed equal slitted square shape micro strip patch antenna the equally edge slitted square patch antenna simulation results are as follows. Least squares approximations to table 61 can be computed.
In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant updated by d. Basic structure microstrip patch antenna l length of the microstrip patch element w width of the microstrip patch element t thickness of patch h height of the dielectric substrate. Substrate,microstrip patch antenna, ground plane, air box and virtual radiation box. The inferences from the design of coaxial probe antenna are presented. The patch antenna is a good place to start for antenna fundamentals with more coming. Consider a square patch antenna fed at the end as before in figure 1a. Design of a rectangular microstrip patch antenna using. The antenna consists of a square patch, a partial ground plane with slot and microstrip feed line. Microstrip patch antennas mpas have attracted widespread interest due to. Design a square microstrip patch antenna for sband application. 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 link of my drive. In this, a square micro strip patch antenna is designed using mentor graphics ie3d tool. Dielectric substrate of appropriate thickness and loss tangent is chosen for designing the circular and square patch microstrip patch antenna. Microstrip antenna an overview sciencedirect topics.
Feb 08, 2016 basic structure microstrip patch antenna l length of the microstrip patch element w width of the microstrip patch element t thickness of patch h height of the dielectric substrate. Microstrip patch antenna calculator resource detail. Understanding the behaviour of the microstrip patch antenna and design of it for different metamaterial with the use of the graphical user interface using matlab is better way of analysis. They operate at microwave frequencies where traditional antennas are not feasible to. Jul 28, 2016 microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. For a square patch we calculate the following approximation for. Design of a rectangular microstrip patch antenna using inset. The design uses a software simulator cst microwave studio. Design and implementation of patch antenna 8 figure 2. Microstrip patch antenna design santa clara university. Benefits or advantages of microstrip antenna following are the benefits or advantages of microstrip antenna.
Planar array technique used to obtain a larger gain than square microstrip patch antenna comparing with only single element. The coordinate axis is taken at the center of the patch or substrate. The length width w and length l of the patch at a resonant frequency of 2. There are several reasons why microstrip antennas are so popular. The fields are linearly polarized, and in the horizontal direction when viewing the microstrip antenna as in figure 1a well see why in the next section. It also has a wide angle of beam in its radiation pattern. Compared with the mpa without the crr, the bandwidth of the proposed antenna. Often microstrip antennas are also referred to as patch antennas. Substrate, microstrip patch antenna, ground plane, air box and virtual radiation box. Secondly, the microstrip antenna was designed to operate at 100 mhz, but it is. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. A feed system supplies the rf power, and a ground plane is at the bottom of the patch antenna, sustaining the substrate.
A design of square fractal antenna with microstrip feed. Some of the typical shapes of patch 8 rectangular square circular elliptical circular ring triangular 8. The geometry of designed square microstrip patch antenna of width and length of 29mm with proper feed position 10, 12 coaxial feeding is presented in figure 3. The necessary formulations for the design of the square. 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. Parametric studies were conducted to illustrate the working principle of the proposed antenna. The micro strip patch antenna is represented by two slots. By using microwave office 2006 software awr for design simulation to get the best parametric design, and compared with a slotted version of the antenna having a slotting shape of letter p.
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