Microstrip patch antenna design

Microstrip or patch antennas are becoming increasingly useful because they. E2matrix provides you thesis on antenna design or microstrip antenna thesis with complete guidance. A dual band antenna and a microstrip fed patch antenna, used in the communication lab. Threeelement vectors of cartesian coordinates in meters. Motilal nehru national institute of technology allahabad. Flat surface makes them ideal for mounting on airplane impedance matching fairly simple microstrip patch antennas have a very high antenna quality factorq. 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 is also true of the section on planar inverted f pifa antennas. The most commonly employed microstrip antenna is a rectangular patch which looks like a truncated microstrip transmission line. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Compared with conventional antennas, microstrip patch antennas have. The return loss for all resonant frequency is less than. Microstrip and printed antenna design electromagnetic.

Phd mtech thesis on umb or microstrip patch antenna. 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. Different substrates use in microstrip patch antennaa survey. Why should fr4 substrate be mostly used in microstrip. Design of dual band yshaped microstrip patch antenna.

Patch antennas are low cost, have a low profile and are easily fabricated. Microstrip patch antenna construction and design aperture. 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. When air is used as the dielectric substrate, the length of the rectangular microstrip antenna is approximately onehalf of a freespace wavelength. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Here is the link page to the various patch antenna and microstrip antenna topics. 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.

Simulation of rectangular microstrip patch antenna open. Why should fr4 substrate be mostly used in microstrip patch antenna design. It covers microstrip based dcs band design example of mobile patch antenna. The dielectric constant that controls the resonance of the antenna is the effective dielectric constant of the microstrip line. Most of the antenna designers suggest that rectangular microstrip patch antenna rmpa is suitable for their significant profile like light weight, low cost, easy fabrication etc. 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. Using the equations mentioned above, a square microstrip patch antenna is designed at a resonant frequency of. Designing the microstrip patch a draw the substrate dimensions 50 x 55x 0. The goal is to understand the radiation mechanism, polarization, patterns, impedance and bandwidth.

However, such a configuration leads to larger antenna size. Q represents the losses associated with the antenna and a large q leads to narrow bandwidthand low efficiency. The return loss and the various gain plots have been studied along with the radiation patterns. Microstrip antennas are becoming very widespread within the mobile phone market. Design and analysis of microstrip patch antenna arrays. Design of rectangular microstrip patch antenna ieee. Metamaterial enhances microstrip antenna gain microwaves. What dielectric constant defines the half wavelength. Development of microstrip patch antenna design for gps in. The radiation pattern of microstrip or patch antenna is.

P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Design equations for microstrip patch antenna design antenna. 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 antenna does not take any much extra size and can be etched on the same mobile pcb itself. The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. To enhance the gain,the array of patch elements is used instead of single patch.

Introduction on microstrip patch antenna design rectangular microstrip patch antenna with microstrip feed line theoretically to design a microstrip patch antenna with the microstrip feed line. Design of multiband microstrip patch antenna for c and x. Many types in designing are viable with microstrip antenna. The reflection coefficient is less than 10db for a frequency range of 3. Analysis and design of circular microstrip patch antenna at 5. A practical guide to the design of microstrip antenna arrays. M icrostrip p atch a ntenna microstrip patch antenna consists of a radiating patch. 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. Richards, theory and experiment on microstrip antennas, ieee trans. In this video standard design equations that are used to design microstrip patch antenna are expained you can download the software.

The following image shows a microstrip or patch antenna. Microstrip patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. The study of microstrip patch antennas has made great progress in recent years. By using a straightforward transmissionline model, it is possible to accurately model and analyze microstrip line insetfed patch antenna designs. Design and implementation of patch antenna 8 figure 2. The microstrip patch antenna can also be designed using an artificial neural network ann modeling technique where size of the antenna is major limitation. Type of substrate shape of patch dimension of patch feeding technique resonant frequency substrate thickness though all above are the requirements for antenna fabrication. The top metallic flat region, which is called the patch antenna, sits on a dielectric substrate. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate.

Microstrip patch antenna array design to improve better gains. Dec 19, 2010 the aim of this antenna array construction is to obtain high directivity. To design a microstrip patch antenna the following are the requirements. Fr4 is mostly used in patch antenna design because of its lower cost and easier availability. In order to overcome the demerits of patch antenna like low gain, low efficiency, low directivity and narrow bandwidth, it is obligatory to implement patch antennas. The section on omnidirectional microstrip antennas is expanded with further design options and analysis. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Pdf design and simulation microstrip patch antenna using. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. These are the dimensions of the microstrip 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. Coaxial probe fed tshaped patch antenna for wideband. And later on the design was based on microstrip disk at lband. 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 antenna consists of a single printed circuit board with an rf connector and perhaps an absorptive load. Pdf methods to design microstrip antennas for modern applications. Pdf design of rectangular microstrip patch antenna researchgate. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board.

The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes. The size and feed position of the single microstrip patch is determined through the theoretical design and hfss11 software simulation. Design variations on microstrip patch antenna using pcb stack. Siddaiah procedia computer science 85 2016 401 a 409 fig. The designed antenna mainly contains substrate,microstrip patch antenna, ground plane, air box and virtual radiation box. Hfss tutorial 2microstrip patch antenna with a cutting slot coaxial feed how to. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal. As well as the study have investigated the effect of transparent oxide materials on patch antenna design instead of perfect conductor materials such as copper that. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant 4. Most often, microstrip antennas are made by etching the patch from a printed circuit board with conductor on both sides. All antenna projects discussed in this book are designed, analyzed and simulated using fullwave electromagnetic solvers.

The book features new analysis of rectangular and circular microstrip antenna efficiency, and surface wave phenomena. The rising importance of wireless communication and multimedia services increasing the efforts to the design and implementation of microstrip patch structures. In this paper we design and simulate a rectangular microstrip patch antenna operating at a frequency of 2. Practical microstrip and printed antenna design artech house. It is known that the antenna impedance will be higher than an accepted value if fed from the edge, and lower if fed from. Design of a rectangular microstrip patch antenna using inset. Nowadays microstrip antennas are widely used because of their small size, light weight, low cost, high performance etc. The proposed design is yshaped microstrip patch antenna is procured by inserting yshaped strip in a circular hole in square patch microstrip antenna. Step by step procedure explanation of antenna design using hfss software hfss basics skip navigation. The most common type of microstrip antenna is the patch antenna. The discovery and description of the fictious resonance mode of a microstrip slot antenna has been added to that section. Hence a compromise must be reached between antenna dimensions and antenna performance. 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. Development of circular microstrip patch antenna array for.

The permittivity should be low for large bandwidth but high to make the patch antenna smaller. The element of the array is the circular microstrip patch and each element is fed by inset feed. Pdf the purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. Design and analysis of microstrip patch antennas using artificial. As an example, the size must increase to have it work at lower frequencies. Rectaangular microstrip patch antenna for wireless.

The technologist targeted into the layout of microstrip patch antennas. Microstrip patch antenna calculator patch antenna formula. Polarization matching between the transmitter and receivers is an important thing due to the signal losses and multipath fading. Electrical engineering communication and signal processing. Secondly, the microstrip antenna was designed to operate at 100 mhz, but it is. In this paper, a design of multiband microstrip patch antenna is proposed, which covers the frequency range between 4 ghz and 14 ghz.

The patch antenna is a good place to start for antenna fundamentals with more coming. Design variations on microstrip patch antenna using pcb stack open live script use the pcbstack to design basic, parasitic, directcoupled, and cp patch antennas. In this research, edgetruncated circularly polarized microstrip patch antenna and slotloaded circularly polarized microstrip patch antenna are presented. In modern days, microstrip patch antennas become more popular because of its fascinating features such as low cost, light weight, low profile planar configuration which can be effortlessly made conformal to host surface. This thoroughly updated third edition of this popular book covers all types of printed microstrip antenna design, from rectangular to circular, broadband and dual band, and millimeter wave microstrip antenna to microstrip arrays. In gps application, l1 band is commonly used to find the location all over the world. Refer article on design of microstrip patch antenna used. This is the latest and hot topics on which nowadays research work have be done. A feed system supplies the rf power, and a ground plane is at the bottom of the patch antenna, sustaining the substrate. 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.

Antennas using patches as constitutive elements in an array are also possible. The geometry of conventional microstrip feedline patch antenna is shown in figure 1 denoted as. Feb 11, 2015 this video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Often microstrip antennas are also referred to as patch antennas. Design parameters and tradeoffs are presented for microstrip antennas. Analysis and design of microstrip patch antenna for radar. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Hfsss microstrip patch antenna design part1basics of antenna design using. We use the cavity model to explain the operation of the patch antenna.

Pasternack carries a variety of panel and patch antennas which. Basically a microstrip patch antenna comprises of a trace of copper or any other metal of any geometry. Optical microstrip patch antennas design and analysis sciencedirect. There are several reasons why microstrip antennas are so popular. Microstrip patch antenna construction and design aperture antenna basics. Tutorial a practical guide to the design of microstrip antenna arrays roger hill philips research laboratories surrey, england a microstrip antenna array is one of the simplest forms of antennas available. Microstrip and printed antenna design electromagnetic waves. The patchmicrostrip object is a microstrip patch antenna. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. This article presents an overview of the microstrip patch antenna and its design techniques. Microstrip patch antenna design santa clara university. In addition to providing more than 6db gain compared to a conventional microstrip antenna, these metamaterialequipped antenna designs also feature increased bandwidth from 3. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Microstrip antenna an overview sciencedirect topics.