The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. The reflection coefficient is less than 10db for a frequency range of 3. A plurality of first patch radiator elements is arranged on a surface of the first. The most common type of microstrip antenna is the patch antenna. Ansys hfss 3d electromagnetic field simulator for rf and wireless design. Microstrip antenna an overview sciencedirect topics. The radiation pattern of microstrip or patch antenna is. Introduction this article introduces the basic concepts of patch antennas. Ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. Design simulation and fabrication of microstrip patch antenna. In this report, we have investigated the dimensions of linearly polarized edge fed rectangular patch antenna and inset fed rectangular patch antenna on rogers rtduroid 5870tm substrate for wlanwifi. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed.
Microstrip patch antenna calculator patch antenna formula. It also has a wide angle of beam in its radiation pattern. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Analysis of micro strip patch antenna using coaxial feed. Different substrates use in microstrip patch antennaa survey. Design of microstrip patch antenna the ieee maker project.
The fundamentals of patch antenna design and performance. May 01, 2018 totay ill show you how to evaluate the the value of microstips feed antenna in hfss software where a bluetooth frequency is used and slot in antenna with array for projects b. An integrated directional patch antenna uses multiple patch radiating elements to control the direction of a beam of radio frequency energy rf over a large scan volume. New types of microstrip antennas for uhf applications. Inset fed triangular shaped patch antenna design at 2. Design and analysis of microstrip patch antennas using soft. Hfss design of rectangular patch antenna using microstrip. Totay ill show you how to evaluate the the value of microstips feed antenna in hfss software where a bluetooth frequency is used and slot in antenna with array for projects b. The different performance parameters such as return loss, gain and bandwidth of these. It provides links on various topics on microstrip patch antenna.
Coupling of power to the microstrip patch antenna can be done by probe feeding method. The study of microstrip patch antennas has made great progress in recent years. Design of rectangular microstrip patch antenna ieee. The basics of patch antennas, updated orban microwave. I examine the microstrip patch antenna example in the application libraries. Different substrates use in microstrip patch antenna a survey kiran jain1,keshav gupta2 1, 2 school of computing science and engineering, galgotias university, greater noidaup, india abstract. A survey on microstip antenna papers is carried out initially to evaluate the evolution of the. Microstrips patch antenna with slot array using hfss youtube. Thick size dielectric material with lower dielectric constant will provide good antenna performance. A feed system supplies the rf power, and a ground plane is at the bottom of the patch antenna, sustaining the substrate. Mar 07, 2016 analysis and design of microstrip square patch antenna using hfss simulation tool.
It plays a very significant role in todays world of wireless communication systems. Improving bandwidth rectangular patch antenna using different. A microstrip patch antenna thesis mpa comprises of a leading patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on opposite side. The design of microstrip patch mp antenna using mothflame. As discussed in the previous section, the gain is about 8. By adjusting the size of these structures, a dualband antenna can be obtained. I selected indbefar expression to see the farfield gain pattern in db. A microstrip patch antenna can be fed either by coaxial probe or by an inset microstrip line.
Use the patchmicrostriphnotch object to create an hshaped microstrip patch antenna. Therefore, microstrip patch antenna has become a major focus to the researchers in the field of antenna engineering. Antennas using patches as constitutive elements in an array are also possible. I just want to see the radiation pattern of the antenna. Bandwidth enhancement of microstrip patch antenna using. Rectangular microstrip patch antenna for wireless communications at 6. Patch antenna category is a curation of 10 web resources on, patch antenna for apt, the basics of patch antennas, patch antenna. Ill use the terms microstrip antenna and patch antenna interchangeably. Microstrip patch antennas kindle edition by kai fong lee, kwai man luk, hau wah lai.
In this section, well discuss the microstrip antenna, which is also commonly referred to as the patch antenna. The rectangular patch antenna is analyzed, and what is learned here will be applied to understanding pifas planar invertedf antennas. Jan 04, 2017 hexagonal microstrip patch antenna at 2. Furthermore, in the last few years, such microstrip antennas found numerous applications in both the military and the commercial sectors. The inner conductor of the probe line is connected to patch lower surface through slot in the ground plane and substrate material. Dec 04, 2012 introduction in its most basic form, a microstrip patch antenna consists of a radiating patch on oneside of a dielectric substrate which has a ground plane on the other side for good antenna performance, a thick dielectric substrate having a low dielectric constant isdesirable since this provides better efficiency, larger bandwidth and better. Microstrip patch antennasbasic properties and some recent. As the microstrip patch antenna consist of a ground a patch and a substrate. Also called patch antennas one of the most useful antennas at microwave frequencies f 1 ghz.
Trends in research on microstrip antennas intechopen. Some basic references are provided at the end of these viewgraphs. New types of microstrip antennas for the applications typically, patch antennas are narrowband and their q factor is inversely proportional to frequency. It is a prominent printed resounding recieving wire for limited band microwave.
Motilal nehru national institute of technology allahabad. Next, a compact rectangular microstrip patch antenna is designed for use in cellular phones. 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. Microstrip patch antenna design and results this chapter, the procedure for designing a rectangular microstrip patch antenna is explained. Click here to go to our page on circular patch antennas new for september 2018.
Here we discussed different dielectric substrate frequently used in microstrip patch antenna to enhance overall efficiency of antenna. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. The progress in modern tiny multifunctional wireless devices has dramatically increased the demand for microstrip antennas in recent years. A microstrip or patch antenna operates in a way that when current though a feed line reaches the strip of the antenna, then electromagnetic waves are generated. Rectaangular microstrip patch antenna for wireless. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Issn 2348 7968 the designed structure of microstrip patch antenna is shown in fig 1.
This page covers advantages and disadvantages of microstrip patch antenna. Various approaches are used for estimating the figures of merit such as vwsr and the s11 parameter of such antennas. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. The proposed antenna consists of a rectangular ground plane, a ushaped feed probe, and an hshaped slot radiating patch. 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. Microstrip patch antenna design for bandwidth enha duration. The patch may be in a variety of shapes, but rectangular and circular are the most common.
Threeelement vectors of cartesian coordinates in meters. The width for each was held constant but calculated based upon 1. By default, the dimensions are chosen for an operating frequency of 3. Probe feed patch antenna 11 days ago getting started with hfss all ansys software files are ascii text and can be sent conveniently by email. The waves from the patch start getting radiated from the width side. Use features like bookmarks, note taking and highlighting while reading microstrip patch antennas. 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. The microstrip patch antenna has radiating patch on one side and ground on the other. To get perfect impedance matching we need to find out the location of the feed point over the antenna element. Coaxial probe feeding is some times advantageous for applications like active antennas, while microstrip line feeding is suitable for developing high gain microstrip array. I am working on equilateral patch antennas and i know how to give the coaxial.
This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. In this paper, a novel compact dualband microstrip patch antenna with dualradiation modes is investigated. Phd mtech thesis on umb or microstrip patch antenna. Hfsss microstrip patch antenna design part1basics of antenna design using hfss. Analysis of micro strip patch antenna using coaxial feed and. Microstrip patch antennas have problems of low bandwidths. The rectangular patch antenna is very probably the most popular microstrip antenna geometry implemented by designers. Microstrip antennae are very simple in construction using a conventional microstrip fabrication technique.
This antenna does not take any much extra size and can be etched on the same mobile pcb itself. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques. Design simulation and fabrication of microstrip patch antenna 349 the proposed antenna is designed in lte band ii for 4g mimo communication. Antennas are designed on rogers rtduroid 5880 material with dielectric constant 2. Patch is a radiating element and it can be available in. 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. Consider the microstrip antenna shown in figure 1, fed by a microstrip transmission line. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal. The outer conductor of the coaxial cable is connected to the ground plane, and the center conductor is extended up to the patch antenna. The design specifications for the antenna are given as below. Pasternacks microstrip patch antenna calculator determines the length and width in millimeters of a rectangular patch antenna.
Microstrip patch antenna design santa clara university. This paper presents an historical perspective of the development of microstrip patch antennas. The default patch is centered at the origin with the feedpoint along the length. The comparison of feeding techniques shows that the rectangular microstrip patch antenna with the inset feed has the. Finally, we analyzed the 1x4 corporate feed linear microstrip patch array antenna that has been designed with dielectric constants of. Following equations or formula are used for this microstrip patch antenna calculator. The best feeding point from the geometry of microstrip patch antenna we can understand that to couple the maximum energy to it the feed is provided beneath the ground directly see fig.
The aim of this chapter is to show various ways to overcome this problem by using various matching techniques for numerous patch antenna array schemes. Analysis and design of circular microstrip patch antenna at 5. The antenna is operating in lte band ii having frequencies of 1850 mhz1910 mhz which is uplink frequency. The following image shows a microstrip or patch antenna. Patch antennas are low cost, have a low profile and are easily fabricated. Waveguide feed microstrip patch antenna iosr journals.
The assigned value of patch, ground, substrate and port of the antenna are adjusted to produce. 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. You are welcome to visit a website that goes along with a course at the university of houston on microstrip antennas powerpoint viewgraphs from the course may be found there, along with the viewgraphs from this short course. Advancement in microstrip antennas with recent applications. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Microstrip patch antenna array design to improve better gains. The microstrip patch antenna is represented by two slots. 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. Comparison of different types of microstrip patch antennas. This type of antenna had its first intense development in the.
The patch antenna is a good place to start for antenna fundamentals with more coming. The impedance variation with feed position of a microstrip linefed patch antenna 93 these results, obtained for the inset width of s w0, are compared with previously published ones, and they show relatively good agreement with those. It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks. Microstrip antenna and feeding techniques the geometry of micro strip patch antenna is shown in fig. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Multiband monopole and microstrip patch antennas for gsm and.
Ijiset international journal of innovative science. The book discusses basic and advanced concepts of microstrip antennas, including design procedure and recent applications. Microstrip patch antenna design using hfss youtube. Our patch antenna was designed based upon an ideal rectangular patch antenna. Microstrip patch antenna array design to improve better. The antenna designed on a substrate of dimension 59 mm 79 mm. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. Fig 3 microstrip patch antenna in order to operate in tne fundamental mode,length of the patch should be slightly less than. Parametric studies were conducted to illustrate the working principle of the proposed antenna.
In this paper, microstrip patch antennas with six different shapes i. Microstrip antenna is one of the most popular types of printed antenna. Increasing microstrip patch antenna bandwidth by inserting. The antenna includes a ground plane element and a first dielectric planar member placed on a major surface of the ground plane element. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Oct 25, 2011 multiband monopole and microstrip patch antennas for gsm and dcs bands. We are going to design rectangular microstrip patch antenna with and without slots on fr4 dielectric substrate. Microstrip antennas can also be fed from underneath via a probe as shown in figure 3. The emcp antenna operating in region three is in fact a twoelement yagitype microstrip patch antenna, with the lower patch fed and the upper patch parasitic. The top metallic flat region, which is called the patch antenna, sits on a dielectric substrate. Design formula for inset fed microstrip patch antenna.
Initially two rectangular patches were designed, one for each desired frequency. It usually consists of a metal patch on top of a grounded dielectric substrate. Design of microstrip array antenna for wireless communication. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. We use a simple rectangular, half wave long, probefed patch operating in.
Patch antennas the fundamentals of patch antenna design and performance by gary breed editorial director m icrostrip patch antennas also just called patch antennas are among the most common antenna types in use today, particularly in the popular frequency range of 1 to 6 ghz. Finally, the results obtained from the simulations are demonstrated. But illustrates sizes and importance of good antenna design why microstrip antennas. The impedance variation with feed position of a microstrip. I am working on microstrip antennas and i have stuck at a point where i have to give the feed to the radiating patch. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. It provides better efficiency and better radiation and large operating bandwidth. Abstract due to the existence of growth in development of low cost, less weight, highly reliable, minimal profile antennas for wireless. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e.
Secondly, the microstrip antenna was designed to operate at 100 mhz, but it is resonantat approximately 96 mhz. A guidance to design monopole 2d and 3d and microstrip patch antennas by using ansoft hfss, without experience. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Microstrips patch antenna design and stimulation in ansys hfss software. Compared with the mpa without the crr, the bandwidth of the proposed antenna. Microstrip antennas are becoming very widespread within the mobile phone market. Totay ill show you how to evaluate the the value of microstips feed antenna in hfss software where a bluetooth frequency is used and slot in antenna with array for. In this paper, we will design a high gain microstrip patch antenna with circular polarization characteristics that can be used for gps applications operating in the l1 1. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna. The designed antenna is realized using microstrip line feed on a 1. Pdf micro strip patch antenna and its applications.
Compared with conventional antennas, microstrip patch antennas have. Siddaiah procedia computer science 85 2016 401 a 409 fig. Its the final year presentation at 75% of its full flow. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. The main reason for the high q factor is that patch antennas are essentially circuits printed on a relatively thin substrate. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. The geometry of the designed microstripline feed microstrip patch antenna is as shown in fig. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2.