In each array, one probefed circularly polarized cp. Then feeding techniques, analysis method and different parameters of microstrip patch antenna are presented. Richards, theory and experiment on microstrip antennas, ieee trans. Mar 17, 2017 antenna designing using cst computer simulation technology this video explains the use of cst for rf application to design patch antenna. The fundamentals of patch antenna design and performance. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. Rectaangular microstrip patch antenna for wireless. Sonia goyal2 1, 2department of electronics and communication engineering punjabi university patiala, india abstract. Introduction to patch antennas microstrip or patch antennas are becoming increasingly useful because they can be printed directly onto a circuit board. It mentions microstrip antenna advantages or benefits and microstrip antenna disadvantages or drawbacks.
In the design of a microstrip patch array antenna, the radiating patch elements have to be placed in close proximity. The co and cross polarization components of the efield are both plotted. Marquette university, 2011 microstrip antennas are a type of printed antenna which consists of a patch on top of a grounded substrate. Microstrip patch antenna design for ku band application author. Miniaturization of microstrip patch antenna has been proposed using. The basic principles are illustrated here for a rectangular patch, but the principles apply similarly for other patch shapes.
The main radiator is a rectangular patch made up of copper. Here is the link page to the various patch antenna and microstrip antenna topics. 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. Conclusion the proposed novel multiband microstrip patch antenna has been successfully implemented using cst computer simulation technology microwave studio software.
Ceramic patch antenna cpa cpa uses ceramic materials as substrates and uses thickfilm, thinfilm or plating processes to fabricate electrodes on the substrate to form a patch antenna structure. The first chapter provides an introduction to microstrip patch antennas with their advantages and disadvantages. Microstrip antennas are becoming very widespread within the mobile phone market. Abstract a simple compact multiband microstrip patch. In the 1890s, there were only a few antennas in the world. Miniaturization of microstrip patch antennas for gps applications a thesis presented by steven s. Introduction an antenna is an electrical conductor or a system of conductors. Microstrip antennae are very simple in construction using a conventional microstrip fabrication technique. The lshape feed line is introduced to overcome impedance mismatch caused by the compact structure. Coax fed patch antenna with waveport at different location. Compared with the mpa without the crr, the bandwidth of the proposed antenna. The frequency of operation for the patch antenna design has been selected as 2.
Microstrip patch antennas kai fong lee, kwai man luk. The conception of these patch antennas are realized by software hfss. Microstrip patch antenna construction and design aperture antenna basics nipun haritash. However, a microstrip patch antenna has some disadvantages. Parametric studies were conducted to illustrate the working principle of the proposed antenna. The conventional patch antenna is used as a reference for comparison with the. Since cpa shows high directivity and can have high gain in one direction, it is very useful for gps navigation, tracking applications, and. Bandwidth enhancement of microstrip patch antenna using. It plays a very significant role in todays world of wireless communication systems.
Pdf the rectangular microstrip patch antenna is explored from theoretical and practical perspectives. Patch antennas are low cost, have a low profile and are easily fabricated. The study of microstrip patch antennas has made great progress in recent years. The following paragraph illustrates the results of simulations of several cases of. Analysis of an airspaced patch antenna near 1800 mhz hermine n. And patch antenna is realized as per design requirements. The use of slotted patch reduces the size of antenna and higher bandwidth, which is the area that can be improved with the proposed design. 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. Micro strip patch antennas are widely used in compact, conformal and low cost wireless applications due to its advantages over conventional antenna. Also called patch antennas one of the most useful antennas at microwave frequencies f 1 ghz.
This type of antenna had its first intense development in the. An additional resonance is introduced by the crr to broaden the bandwidth. Project report date241115 in fulfilment of the course design project instr f379 under the guidance of shailendra kumar dhakad design project. They are lighter in weight, low volume, low cost, low profile, smaller in dimension and ease of fabrication and conformity. Patch antenna category is a curation of 10 web resources on, patch antenna for apt, the basics of patch antennas, patch antenna. Design and analysis of microstrip patch antenna arrays. Visualization using hfss package recorded lab tutorial. Recently, patch antennas have been gaining attention because they are thin, lightweight, and rugged, thus allowing convenient mounting on a variety of surfaces. Design of a wideband lshape fed microstrip patch antenna. Advantages and disadvantages of microstrip patch antenna. In the microstrip antenna the upper surface of the dielectric substrate supports the printed conducting strip which is suitably contoured while the lower surface of the substrate is backed by a conducting ground plane 3.
Introduction to antennas 1 prerequisite introductory course covering electromagnetism in electrical engineering maxwells equations, electric. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Uslot patch antenna principle and design methodology. Analysis on microstrip patch antenna 1103 words cram. It is mounted on a small, rectangular, flat surface and consists of two metallic plates placed upon each other. About introduction to microstrip antennas the resource is currently listed in in a single category. The patch is usually made of conducting material such as copper or gold and can take any possible shape. Microstrip patch antenna in this chapter, an introduction to the microstrip patch antenna is followed by its advantages and disadvantages. Pdf effect of slots in ground plane and patch on microstrip. Consider the microstrip antenna shown in figure 1, fed by a microstrip transmission line. Desired patch antenna design is initially simulated by using ie3d simulator.
This paper presents a narrow band microstrip patch antenna for wireless communication. A major limitation for the performance of the patch antenna is the dielectric substrate. Patch antennas are ideal for situations where the antenna is mounted on a flat surface, e. Pdf workshop rectangular patch antenna introduction to. The structure of rectangular microstrip patch antenna rmsa is as shown in fig. Introduction this microstrip antenna have been one of the most innovative topics in antenna theory and design in recent years, and are increasingly finding application in a wide range. Here, i have given a brief introduction to the course of actions. By definition, a patch antenna is a member of the microstrip antenna family and is fabricated by etching the antenna element pattern using metal trace bonded to an insulating substrate, see m. This document contains the final report of designing and implementation of a patch antenna, among setting up of dimensions more information is included in chapter 5. 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. A microstrip patch antenna consists of a dielectric substrate on one side of a patch, with a ground plane on the other side. A patch antenna is a lowprofile directional radio antenna that is used for indoor locations covering singlefloor offices, stores and small studios. The distance between the patch and the ground plane the.
The antenna consists of 2 2 aperturecoupled microstrip patch antennas fed by an siwbased feeding network. Microstrip patch antenna design for ku band application. By world war ii, antennas had become so ubiquitous that their use had transformed the lives of the average person via radio and television. Slot radiator or slot antennas are antenna that are used in frequency range from about 300 mhz to 25 ghz. Due to its advantages such as low weight and volume, low.
The return loss and the various gain plots have been studied along with the radiation patterns. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Finally, a detailed explanation of microstrip patch antenna analysis and its theory are discussed, and also the working mechanism is explained. It provides links on various topics on microstrip patch antenna. Introduction this article introduces some of the basic concepts of patch antennas. The 2x2 patch array antenna is simulated using ansoft hfss. Compared with conventional antennas, microstrip patch antennas have more advantages and better prospects.
Holland submitted to the graduate school of the university of massachusetts amherst in partial fulfillment of the requirements for the degree of master of science in electrical and computer engineering may 2008 electrical and computer. Introduction this article introduces the basic concepts of patch antennas. The introduction of an additional circuit to the system will increase the cost, size, complexity and weight of the system 4. 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. 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 in phase uniform feeding for the array consists of three siwbased power dividers. We use the cavity model to explain the operation of the patch antenna. Microstrip patch antenna has been designed in order to rule out the conventional antenna as the patch antennas are used in most of the compact devices. Miniaturization of microstrip patch antenna using metamaterial. The antenna equations which follow relate to figure 1 as a typical antenna. We use a simple rectangular, half wave long, probefed patch operating in its fundamental mode as an example.
From the result i observed that the experimental antenna parameters are coinciding with simulated results. Simulation of rectangular microstrip patch antenna open. An antenna radiation pattern is the angular distribution of the power radiated by an antenna. 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. One plate is larger than the other, which is called ground plane and. Workshop rectangular patch antenna introduction to ansys hfss. The microstrip line consists of pattern on one side of the dielectric substrate and ground plane on the other side of it. Mar 11, 20 introduction different types of microstrip patch antennasbackgroundalthough i grew up without knowing in which educational direction i might go, i have alwaysbeen interested in gadgets and especially mobile phones. The results obtained provide a workable antenna design for incorporation in a cellular phone. Pdf design of a rectangular microstrip patch antenna using inset. Analysis of an airspaced patch antenna near 1800 mhz.
Analysts finite element wave ports are used to drive the antenna and radiation patterns and feed return loss and input impedance are calculated. Some basic references are provided at the end of these viewgraphs. Microstrip antenna is one of the most popular types of printed antenna. The aim of the project is to design a rectangular microstrip patch antenna with enhanced gain and bandwidth and study the effect of antenna dimensions length l, width w and substrate parameters relative dielectric constant.
Pdf an overview of microstrip antenna researchgate. Isolation improvement of a microstrip patch array antenna. This tool is designed to calculate the correct dimensions of a microstrip patch antenna if the operating frequency and the dielectric constant of the material used, is known. Introduction microstrip slot antennas invented in 1938 by alan blumlein. These rudimentary devices were primarly a part of experiments that demonstrated the transmission of electromagnetic waves. Miniaturization of microstrip patch antennas for gps. Since ceramic materials have higher dielectric constants compared to polymeric materials, it can significantly reduce the size of the antenna. This example demonstrates the use of a coaxial probefed rectangular microstrip patch antenna. A microstrip patch antenna consists of a radiating patch on one side of a dielectric substrate and has a ground plane on the other side. The patch may be in a variety of shapes, but rectangular and circular are the most common. This antenna is often built of printed circuit board material and the substrate makes up the patch antenna s dielectric. Pdf conception of patch antenna at wide band researchgate.
Introduction recently, the microstrip patch antennas became one of the most demanding antenna based as the high demand of antennas for wireless communication systems such as wireless local area network wlan, cellular phone, medical applications. Proposed metamaterial antenna reduces the size of the mic rostrip patch antenna substantially and increases the directivity. Microstrip patch antennas are used in modern communication systems due to their low cost, lightweight, and planar structure. Microstrip antenna or patch antenna basics in antenna and wave propagation by engineering funda. This paragraph is critical to understanding the patch antenna. Following video is part of a series of videos from my final year project. 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. The basics of patch antennas, updated orban microwave. Microstrip patch antenna is mostly used in modern communication devices over conventional antennas mainly because of their size. In this paper, the design of a compact microstrip patch antenna using genetic algorithm ga based optimization is. Project report on microstrip antenna 1409 words bartleby. The book features new analysis of rectangular and circular microstrip antenna efficiency, and surface wave phenomena. 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.
Jiang institute of communication tatung university taipei, taiwan, r. Design of a rectangular microstrip patch antenna using inset. A patch antenna is a narrowband, widebeam antenna fabricated by photo etching the antenna element pattern in metal trace on the dielectric substrate 1. Final project to design specific microstrip antenna, fabrication and measurement. Gain, inset feed, patch antenna, radiation pattern, return loss. The parameters evaluated were gain, beamwidth and return loss. Design of bandpass, band stop filter using micro strip antennas submitted by. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface.
The configuration of a single ac mpa element used for the antenna array design is shown in fig. A microstrip patch antenna is one of the most popular microwave antennas. The most common antenna type for gnss applications is the patch antenna. They are often used in navigation radar usually as an array fed by a waveguide. Patch antennas are flat, generally have a ceramic and metal body and are mounted on a metal base plate. Microstrip antenna msa, microstrip patch antenna mpa, feeding techniques. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat. This paper presents the effect of the slots in ground plane and patch on resonant frequency, impedance bandwidth, gain and side lobe. Patch antenna calculator the basics of patch antennas a dualband rectangular cpw folded slot antenna for. The gain of these antennas is between the ranges between 8dbi to 20dbi. The performance parameters were achieved with return loss 16.
The main category is patch antennas that is about patch antenna. Introduction to microstrip antennas resource detail. Antenna is a transducer designed to transmit or receive electromagnetic waves. Microstrip patch antenna calculator electrical engineering. 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. Dec 20, 2016 in this paper, ultrawide patch antenna arrays have been presented at 60 ghz band 57. The previous paragraph mentioned the effect of the cable to the reflection. In addition, a patch antenna does not require ground clearance on a circuit board, which will make the circuit board design easier and increase its utilization efficiency. Beam width of a microstrip element can be increased by choosing a smaller element, thus reducing w and l. Pdf micro strip patch antenna and its applications.
1136 1000 546 114 943 129 1109 106 1439 1286 1480 1486 428 367 1369 174 1138 639 28 773 491 1138 118 528 116 1290 120 691 838