Additional benefits of patch antennas is that they are easily fabricated making them cost effective. This video tutorial shows how to design a microstrip patch antenna in cst software. 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. Rectaangular microstrip patch antenna for wireless. This is also true of the section on planar inverted f pifa antennas. This work is mainly focused on increasing the gain as well as reducing the size of the unidirectional patch. The following image shows a microstrip or patch antenna. The book features new analysis of rectangular and circular microstrip antenna efficiency, and surface wave phenomena. The book discusses basic and advanced concepts of microstrip antennas, including design procedure and recent applications. The larger number of antenna elements, the better gain. Siddaiah procedia computer science 85 2016 401 a 409 fig.
The antenna consists of a single printed circuit board with an rf connector and perhaps an absorptive load. Gain enhancement of a microstrip patch antenna using a. A low profile, unidirectional, dual layer, and narrow bandwidth microstrip patch antenna is designed to resonate at 2. 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. Design and implementation of patch antenna 8 figure 2. M icrostrip p atch a ntenna microstrip patch antenna consists of a radiating patch. Q represents the losses associated with the antenna and a large q leads to narrow bandwidthand low efficiency. It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks. Microstrip square patch antenna using cst by shamsur rahman. So using microstrip patch antenna is considered as the desired solution. The permittivity should be low for large bandwidth but high to make the patch antenna smaller. The directivity of a microstrip patch can be found from the cavity models of patches and integrated over the hemisphere to compute directivity. In order to overcome these problems we try to different approach.
Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. If you continue browsing the site, you agree to the use of cookies on this website. To improve the antenna bandwidth, two of the patches are modified with truncated corners in the diagonal direction. 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. 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. Design and analysis of microstrip patch antenna arrays.
The basics of patch antennas, updated orban microwave. Design of rectangular microstrip patch antenna houda werfelli, khaoula tayari, mondher chaoui, mongi lahiani, hamadi ghariani national engineers school of sfax. Microstrip patch antenna array design to improve better gains. Microstrip patch antenna design for ku band application vijaykumar v. The top metallic flat region, which is called the patch antenna, sits on a dielectric substrate. 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. Objectivesthe objective of this project is as follows. Full writeup for 3rd edition is given directivity of microstrip patches including finite ground planes. Book topics include discussion of arrays, spectral domain, high tc superconducting microstrip antennas, optimization, multiband, dual and circular polarization, microstrip to waveguide transitions, and improving bandwidth and resonance frequency. But illustrates sizes and importance of good antenna design why microstrip antennas. Here is the link page to the various patch antenna and microstrip antenna topics. 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.
The return loss and the various gain plots have been studied along with the radiation patterns. The designed antenna mainly contains substrate, microstrip patch antenna, ground plane, air box and virtual radiation box. A reconfigurable stacked microstrip patch antenna for. The design of microstrip patch mp antenna using moth. If you wanted to make a microstrip antenna to receive fm radio at 100 mhz it would be on the order of 1 meter long which is a very large circuit for any type of substrate. Bandwidth improvement for compact microstrip patch antenna.
The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal typically copper. Motilal nehru national institute of technology allahabad. May 20, 2016 this is an introductory lecture on microstrip patch antenna. Appropriate selection of dielectric material and its thickness is an important.
They are usually employed at uhf and higher frequencies because the size of the antenna is directly tied to the wavelength at the resonant frequency. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. To design our stacked microstrip patch antenna at around 2 ghz. Advancement in microstrip antennas with recent applications. Before designing such an antenna, it was necessa ry to become. Often microstrip antennas are also referred to as patch antennas.
Microstrip antennas are relatively inexpensive to manufacture and design because of the simple 2dimensional physical geometry. It also has a wide angle of beam in its radiation pattern. The antenna is designed over the operating frequency is 2. Design and simulation microstrip patch antenna using cst. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. To understand the basics behind antenna theory and microstrip patch antennas. Patch antenna design for simulation before inset feed. In this paper, we introduce dualband micro strip patch antenna design for wimax and wifi implementation by mean of 3. Microstrip and printed antenna design electromagnetic waves. However, such a configuration leads to larger antenna size. We obtain the same directivity for linearly and circularly polarized patches because a circularly polarized patch is a linear combination of two linearly polarized patterns.
To understand the basic design equations of microstrip patch antenna, wat. 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. A practical guide to the design of microstrip antenna arrays. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Pdf micro strip patch antenna and its applications.
To do this we determined it would be best to use inset feed matching. Benefits or advantages of microstrip antenna following are the benefits or advantages of microstrip antenna. Pdf design of microstrip patch antenna array for wlan. Design simulation and fabrication of microstrip patch antenna. Refer microstrip line basics and types and desgin of microstrip patch antenna for mobile for more information. Design equations for microstrip patch antenna design antenna. Microstrip patch antenna design for ku band application. The parameters evaluated were gain, beamwidth and return loss. Compared with conventional antennas, microstrip patch antennas have. Mar 26, 2017 structurally robust and light weight a microstrip antenna msa in its simplest form consists of a radiating patch on one side of a dielectric substrate and a ground plane on the other side. Jun 01, 2015 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. So, if the designer has a clear conception about the effect of changing substrate material and its thickness on the performance of the antenna, it will be easier to design an antenna.
Most often, microstrip antennas are made by etching the patch from a printed circuit board with conductor on both sides. The patch antenna is a good place to start for antenna fundamentals with more coming. The simulation of the microstrip patch antenna for. The antenna is operating in lte band ii having frequencies of 1850 mhz1910 mhz which is uplink frequency. This page covers advantages and disadvantages of microstrip patch antenna. 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.
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. Stacked patch design at 2 ghz the focus of this paper is to design a recon. The section on omnidirectional microstrip antennas is expanded with further design options and analysis. Click here to go to our page on circular patch antennas new for september 2018. Calculate the lengths and widths necessary for the patch antenna using the theory from class these are approximate numbers and will be modified later use ansoft designer to calculate the length and width of the 100ohm feedline to the patch.
Chodavadiya department of electronics and communication engineering school of engineering, rk. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. Threeelement vectors of cartesian coordinates in meters. At xband a microstrip antenna is on the order of 1 centimeter long easy to realize on softboard technology. Antennas using patches as constitutive elements in an array are also possible. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. This paper presents a design of rectangular microstrip antenna patch applied a wban wireless body area network. The radiating elements and the feed lines are usually photo etched on the dielectric substrate. As an example, the size must increase to have it work at lower frequencies. Due to size problems, patch antennas are not suitable for lower frequencies. The effect of changing substrate material and thickness on. 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.
In this paper, we design patch antenna for high frequency hf and very high frequency vhf. Design of microstrip patch antenna mpa in cst mws full. To design a microstrip patch antenna the following are the requirements. Design of rectangular microstrip patch antenna for 2. In this paper micro strip patch antenna array are designed and analyzed for wlan application, which operating at sband frequency range of 2. Rectangular microstrip antenna a, and its side view b because of the fringing effects, electrically the patch of the microstrip antenna looks greater than its physical dimensions. This paper presents the design of a seriesfed microstrip patch antenna array to operate at the frequency of 3. In order to design a microstrip patch antenna at first the designer is to select the substrate material and its thickness. How to design a filter on microstrip patch antennas. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. The proposed microstrip patch antenna is compact, miniature,coste.
The thickness of the ground plane or of the microstrip is not critically important. A novel seriesfed microstrip patch array antenna for 3739 ghz beamforming is proposed. The discovery and description of the fictious resonance mode of a microstrip slot antenna has been added to that section. The proposed antenna is suitable for specific applications, such as security and military systems, which require a narrow bandwidth and a small antenna size. 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. Analysis and design of circular microstrip patch antenna at 5. Design of seriesfed bandwidthenhanced microstrip antenna. A feed system supplies the rf power, and a ground plane is at the bottom of the patch antenna, sustaining the substrate. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. How to design simple microstrip patch antenna in cst youtube. Suppose if i want to design microstrip antenna for ism band and for lossy tissue how can we compute the length, width and effective. The microstrip edge feeding and inset feeding are compared on the basis of the radiation pattern, vswr, 3dgain, 2dgain, directivity, realized gain and sparameter. Design parameters and tradeoffs are presented for microstrip antennas. The radiation pattern of microstrip or patch antenna is.
Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Pdf design and simulation microstrip patch antenna using. Aggarwal department of electronics and communication engineering school of engineering, rk. Designing the microstrip patch a draw the substrate dimensions 50 x 55x 0. 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 most common type of microstrip antenna is the patch antenna. The patch is of length l, width w, and sitting on top of a substrate some dielectric circuit board of thickness h with permittivity. Feeding methods of microstrip antenna in antenna and wave propagation by.
Microstrip patch antenna directivity, antenna design. Flat surface makes them ideal for mounting on airplane impedance matching fairly simple microstrip patch antennas have a very high antenna quality factorq. Then, the recessed microstrip feeds for the other two patches are. It provides links on various topics on microstrip patch antenna. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Type of substrate shape of patch dimension of patch feeding technique resonant frequency substrate thickness though all above are the requirements for antenna fabrication.
Hence a compromise must be reached between antenna dimensions and antenna performance. 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. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. And later on the design was based on microstrip disk at lband. Simulation of rectangular microstrip antenna by integrating matlab in visual basic diyala journal of engineering sciences, vol. Design simulation and fabrication of microstrip patch antenna 349 the proposed antenna is designed in lte band ii for 4g mimo communication.
The aim of this project was to design a broadband microstrip patch antenna for use in wireless communication systems. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. If there is time and if available a build and testing of a patch antenna design will be carried out. The goal is to understand the radiation mechanism, polarization, patterns, impedance and bandwidth. The study of microstrip patch antennas has made great progress in recent years. Design of a rectangular microstrip patch antenna using. In order to design a compact microstrip patch antenna, higher dielectric constants must be used which are less efficient and result in narrower bandwidth. Different substrates use in microstrip patch antennaa survey. Advantages and disadvantages of microstrip patch antenna. Design of microstrip patch antenna the ieee maker project.
This truncation generates two degenerate resonances which result in a flattened frequency response of the input impedance. This paper presents design and simulation of a rectangular microstrip patch antenna at 6. Microstrip antenna design with low frequency abstract. Microstrip antenna an overview sciencedirect topics. For finalized patch antenna design we needed to implement a matching network that would allow for a match to a 50. The patchmicrostrip object is a microstrip patch antenna. The design specifications for the antenna are given as below. Abdur rahman university, chennai, india abstract an h shaped dual band microstrip patch antenna array is designed, simulated and fabricated for global. In our project, a comparative study between two different feeding techniques for a rectangular microstrip patch antenna is done. Microstrip patch antenna design santa clara university. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques. The equal slits at the edge of the square patch antenna is designed for the resonance frequency of 2.