Given antenna design is realized through simulation, optimization and testing features provided by ansoft hfss highfrequency structural simulator software. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. Microstrip antennas are becoming very widespread within the mobile phone market. A microstrip device in its simplest form is layered structure with two parallel conductors separated by a thin dielectric substrate and the lower conductor acting as a ground plane. The simulation of the microstrip patch antenna for. Values of different parameters which we used in antenna design are shown be. Determining input impedance of patch antenna in hfss. Mar 07, 2016 analysis and design of microstrip square patch antenna using hfss simulation tool.
Microstrip patch antennas are increasing in popularity for use. Design of a rectangular microstrip patch antenna using inset. Antenna projects using hfss electronics electrical projects. Triband microstrip antenna design for wireless communication. Hfss design of rectangular patch antenna using microstrip line feedingedge feeding duration. The return loss and the various gain plots have been studied along with the radiation patterns. The purpose of this paper is to design rectangular microstrip patch antenna with resonating frequency of 2. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. Design of microstrip patch antenna the ieee maker project. The microstrip edge feeding and inset feeding are compared on the basis of the radiation pattern, vswr, 3dgain, 2dgain, directivity, realized gain and sparameter.
The radiation pattern of microstrip or patch antenna is. When this is the case the role of a computer aided design package is vital. Hfss are used in our project for the simulation and design calculation of microstrip patch antennas. In the ebg antenna design, the rsr ebgs are inversed to get signi. The microstrip line model method is used and been simulated by using hfss software. It covers microstrip based dcs band design example of mobile patch antenna. Design and analysis of micro strip antenna using hfss. In our approach, we used the ga to optimize the following parameters in our antenna design. Design of microstrip patch antenna in hfss full hd youtube. Design and performance evaluation of microstrip antenna for.
Microstrip patch antennas possess a very high antenna quality factor q which represents the losses associated with the antenna where a large q would lead to a narrow bandwidth and low efficiency. Also called patch antennas one of the most useful antennas at microwave frequencies f 1 ghz. Rectangular microstrip patch antenna, return loss, vswr, bandwidth, high frequency structure simulator hfss v 11, wireless communication. Kokila assistant professorece, nandha engineering college, erode, tamil nadu, india. Patch antennas are low cost, have a low profile and are easily fabricated. The following image shows a microstrip or patch antenna. Design and analysis of microstrip patch antenna arrays. The inner conductor of the probe line is connected to patch lower surface. I used hff now but i didnt get upon what calculations we need to give coordinates for patch gnd planefeed when we.
Design of the patch microstrip antenna patch elements are the most common form of printed 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. It usually consists of a metal patch on top of a grounded dielectric substrate. A rectangular patch design equations are introduced and validated by well simulated results. In this paper, a rectangular microstrip patch antenna is designed using hfss software. Rectaangular microstrip patch antenna for wireless. The rectangular micro strip patch antenna is analyzed using high frequency structure simulator hfss v 11. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof. Design of rectangular microstrip patch antenna ieee. Microstrip patch antennas possess a very high antenna quality. There is a tradeoff between cost versus performance in cho. Design and analysis of microstrip patch antenna for different applications.
How to find substrate length and width in designing a. In our project, a comparative study between two different feeding techniques for a rectangular microstrip patch antenna is done. It consists of rectangular substrate and the metal trace layer as shown in fig. The parameters evaluated were gain, beamwidth and return loss.
The most common type of microstrip antenna is the patch antenna. The reflection coefficient is less than 10db for a frequency range of 3. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Microstrip patch antenna design santa clara university. You can to designed the microstrip antenna with omni radiation pattern by without a ground plane. The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. This video tutorial shows how to design a microstrip patch antenna in hfss software. I design a microstrip inset fed patch antenna with exact calculations. Impedance matching is a major challenge because the effect of changing one of the parameters in not independent of the others. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Design and performance evaluation of 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.
When designing a microstrip patch antenna in hfss, i am using a coxial cable as feed. Microstrip patch antenna calculator patch antenna formula. Microstrip or patch antennas have become more and more helpful as a result of. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. I have gone through some online tutorials but i have few queries. Microstrip antenna an overview sciencedirect topics. How to select the substrate thickness and dielectric constant. Refer article on design of microstrip patch antenna used. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. We provide you the latest antenna design based hfss projects for final year engineering students with free pdf downloads.
Increasing microstrip patch antenna bandwidth by inserting. The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes. Input impedance 100 resonant frequency of the antenna10ghz. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. The design of a stacked aperture coupled microstrip patch antenna is very challenging when dealing with wideband impedance matching. This antenna does not take any much extra size and can be etched on the same mobile pcb itself.
The hfss antenna course explores antenna related hfss topics such as radiating boundaries, including how well they absorb energy from different angles, and hybrid regions which connect different antenna simulations together. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. The patch may be in a variety of shapes, but rectangular and circular are the most common. In the modern days the development in communication systems engineering requires the development of low profile antennas that are capable of maintaining high performance over a wide spectrum of frequencies. 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. It is known that the antenna impedance will be higher than an accepted value if fed from the edge, and lower if fed from. Application to patch antennas a fractal microstrip patch antenna is designed as the reference antenna, which is on a classical ground plane, as shown in figure 5a. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. Cardiod antenna pattern directivity, antenna directivity.
Analysis and design of rectangular microstrip patch. We also provide you the top microstrip patch antenna based mini projects for ece students with base papers abstracts and source code. Micro strip antenna consists of a very thin metallic strip placed on a. You can specify several namevalue pair arguments in any order as name1, value1. Design and performance evaluation of microstrip antenna for ultrawideband applications using microstrip feed. Here is the link page to the various patch antenna and microstrip antenna topics. How to determine the dimensions l, w, thickness of patch to be used on dielectric.
Design of a stacked microstrip patch antenna using hfss. This technological trend has focused much effort on the basic concepts. I design a microstrip inset fed patch antenna with exact. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Designing of rectangular microstrip patch antenna at 2.
Patch antenna design using hfss ozen engineering and ansys. For designing uwb microstrip patch antenna in hfss with resonance at 7. However, such a configuration leads to larger antenna size. Analysis and design of rectangular microstrip patch antenna using hfss p. As the microstrip patch antenna consist of a ground a patch. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Threeelement vectors of cartesian coordinates in meters. In project report we made an attempt to invent microstrip patch antenna for wifi applications. Coupling of power to the microstrip patch antenna can be done by probe feeding method. The patch antenna is a good place to start for antenna fundamentals with more coming. Two pieces of circular and rectangular microstrip patch antenna is designed for results by means of hfss simulation program. Based on several years of the authors research in antenna design and development for rf and microwave applications, this book offers an indepth coverage of practical printed antenna design methodology for modern.
The construction of the antenna is done using roger rt duroid 5880, whose dielectric constant is 2. Antennas using patches as constitutive elements in an array are also possible. Design and analysis of microstrip patch antenna for. Microstrip or patch antennas are becoming increasingly useful because they can be printed directly onto a circuit board. Designing the microstrip patch a draw the substrate dimensions 50 x 55x 0. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques. Waveguide feed microstrip patch antenna iosr journals. Design of a rectangular microstrip patch antenna using. We have different types of substrates such as rogers, fr4 epoxy etc. Design and fabrication of microstrip patch antenna. As the microstrip patch antenna consist of a ground a patch and a substrate. Aim the aim of the thesis is to design and fabricate an insetfed rectangular microstrip patch antenna and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric. All antenna projects discussed in this book are designed, analyzed and simulated using fullwave electromagnetic solvers. 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.
Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. The proposed antenna is a rectangular patch microstrip antenna with two rectangular slots on the patch and a ground substrate of fr4 epoxy. Microstrip patch antenna array design to improve better gains. The dimensions of antenna can be found in the hfss simulation file. Bandwidth enhancement for thin substrate uhf rfid patch antenna hfss microstrip patch antenna analysis and design. Microstrip patch antenna design and simulation vengalam mahendra reg no. Richards, theory and experiment on microstrip antennas, ieee trans. Step by step procedure explanation of antenna design using hfss software hfss basics. Its the final year presentation at 75% of its full flow. Antenna design procedure we are going to design rectangular microstrip patch antenna with and without slots on fr4 dielectric substrate. If substrate thickness is increased in the design then the. Analysis and design of circular microstrip patch antenna at 5. Siddaiah procedia computer science 85 2016 401 a 409 fig. Usually the microstrip antenna consisted of a radiator, a substrate and a ground is unidirectional beam.
The goal is to understand the radiation mechanism, polarization, patterns, impedance and bandwidth. These are very low size antennas having low radiation. An hshaped dualband microstrip patch antenna scientific. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. The antenna designed on a substrate of dimension 59 mm 79 mm. Wifi also known as wlan and it has become popular in all computers, mobile phones, and other gadgets. Electrical engineering communication and signal processing.
Analysis and design of rectangular microstrip patch antenna. First, you need to choose the frequency of operation that the antenna finds the application and the type of substrate. Introduction microstrip patch antennas have drawn the. Hi, i am writing this post to elaborate on how can we determine the input impedance of patch antenna using deembed option in hfss. Does anyone have an idea about the wave port or lumped port in hfss,which should be used especially for microstrip patch antenna in uwb range i. But illustrates sizes and importance of good antenna design why microstrip antennas. Microstrip patch antenna array design to improve better. They are popular for their low profile, geometry and low cost. The patchmicrostrip object is a microstrip patch antenna. A microstrip antenna consists of conducting patch on a ground plane separated by dielectric substrate. The rectangular micro strip patch antenna was analysed using ansofansys hfss and also made a comparision among the different substrates which shows. We use the cavity model to explain the operation of the patch antenna.
The proposed antenna is fed using coaxial cable and has a bandwidth of 40. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Microstrip patch antenna is targeted for improving its performance based on various factors. Properties not specified retain their default values. 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. As microstrip patch antenna mpa is low profile, less costly and low volume, it is used now a day for different applications. There are several reasons why microstrip antennas are so popular. Name is the property name and value is the corresponding value. 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. 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. What are the necessary steps needed to design a multi band. Feb 11, 2015 hfsss microstrip patch antenna design part1. First the model of the microstrip patch antenna has to be drawn in hfss.