The structure of the micro strip patch antenna consists of a thin square patch on one side of a dielectric substrate and the other side having a plane to the ground. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Overview of hfss antenna design kit guibased wizard tool automates geometry creation, solution setup, and postprocessing reports for 50 common antenna elements assists in learning to use hfss for antenna design parametric antenna geometry easily modify parameters in hfss after generating initial model. Sep 01, 2016 this slide describes design and simulation about the micro strip patch antenna using hfss software. Actually, when you do a simulation in hfss, you wont see a dbi term. This type of antenna had its first intense development in the.
Antenna array, directivity, edge fed, gain, hfss, microstrip patch antenna, rogers rt duroid. Design of e shaped patch antenna for uhf application and its sar estimation. Array design with parallel feed the antenna arrays will be designed using hfss. The radiation pattern and gain of the designed antenna make it perfect for the applications of various wireless communications. Design, simulation and analysis of a probe feed patch antenna.
The geometry incorporates the capacitive feed strip which is fed by a coaxial probe. This antenna is designed to operate at a frequency of 2. Siddaiah procedia computer science 85 2016 401 a 409 fig. In its most fundamental form, a micro strip antenna consists of a radiating patch on one side of a dielectric substrate which has a ground plane on other side as shown. Study of the dielectric superstrate thickness effects on. It consists of rectangular substrate and the metal trace layer as shown in fig. The dimensions of antenna can be found in the hfss simulation file. Simulations of the antenna were conducted using hfss. The square patch antenna has the side length of l and is printed on a substrate with a thickness of h.
Design and analysis of an electronically steerable. The slim antenna presents a height of 2 mm and a bandwidth of more than 766 mhz. The sensitivity of the stub length, loc on antenna impedance matching a cb figure 1. Effects of using different substrates on the performance of. Survey on wearable antenna design for ism band applications. The software enables to compute antenna array radiation patterns and antenna parameters for designs that have analyzed a single array element.
The basics of patch antennas, updated orban microwave. The antenna has been simulated using hfss simulation software, and the performance is studied for the second iteration of the patch. Performance enhancement of rectangular microstrip antenna with. Sparamertes of the antenna without shorting pins is. In this paper, design is carried out by using a cavity backed probe fed patch antenna with dual layer patch. In hfss 10 i would get this quantity in dbi but in hfss11 i dont understand why it doesnt. This paper describes the design and simulation by high frequency structure simulator hfss of a probefed planar invertedf antenna pifa for the ultra wide band uwb personal area networks. The frequency range of 8ghz to 12ghz is taken for the simulation of the antenna. Apr 19, 2016 hi, i am writing this post to elaborate on how can we determine the input impedance of patch antenna using deembed option in hfss. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Hfss with hpc for large finite antenna array design. How can i increase s11 of my antenna, i have it at 9 db and at 7db min and. High frequency structure simulator hfss software is used.
Wideband aperture coupled patch array antennas high gain. 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. Microstrip patch antenna using hfss ansys duration. Patch antenna mpa are less bandwidth and less gain. The result also simulated that the antenna can be used for wide range of frequency. Introduction for both military and commercial application requirements of multi frequency antennas increasing with the development of wireless communication system and increasing demand on connecting to the internet. It plays a very significant role in todays world of wireless communication systems. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. Microstrip patch antenna array design to improve better gains. Arametric study aperture coupled patch antennas involve performancecritical parameters including substrate thickness, substrate.
How to solve the problem of bad matching s1110 db in hfss. The effective length is depends on substrate permittivity. A triple frequency triangular patch antenna is presented. Patch antenna with the same substrate for gps l1 and l2 bands mingfong liu1, dauchyrh chang1,3, chihsiung lin1, liyang tsai2, song tsuen peng1 1 yuan ze university 2 allis communications co. It is a microstrip square patch, truncated in opposite corners, suspended above the ground plane. First the model of the microstrip patch antenna has to be drawn in hfss. The patch antennas are very useful because of their low weight, ability to conform to any. The measured gain and directivity of the proposed di.
Conception of circular sector microstrip antenna and array. Introduction this article introduces the basic concepts of patch antennas. The proposed patch antenna has the advantage of low profile, lightweight, and easy. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. Design and analysis of planner inverted f antenna pifa for. Different dielectric materials affect the electrical characteristics of a patch antenna differently. Abstractmicrostrip patch antennas offer low profile and small footprint advantages, but limited operating bandwidth. The orthogonal linear polarization waves will be produced when the patch is fed at two adjacent edges. In this antenna a v shaped slot cut inside the rectangular patch of the antenna for performing multiband application. Resonant frequency of the antenna 10ghz relative permittivity of the substrate 2. Design rectangular patch antenna using hfss part 1 duration. Rogersduroid substrate, return loss, hfss software. Hi everybody, i run simulation of microstrip antenna in hfss 11.
It is compact in size and it is suitable for wearable applications. Performance analysis of cpw fed microstrip patch antenna. The designed antenna has a resonating frequency of 2. I expect to get a gain of antenna at most 10 dbi but when i use results create far fields report rectangular plot etheta db i get about 20 db. Directional patch antenna array design for desktop wireless. Patch antenna design using hfss ozen engineering and ansys. Microstrip antennae are very simple in construction using a. Mar 07, 2016 analysis and design of microstrip square patch antenna using hfss simulation tool. The conventional patch antenna equations were taken from 10 and 11 asmention previously in chapter 2. This antenna is designed using fr4 epoxy substrate with coaxial feed technique, and simulated on hfss. The proposed antenna is explained and simulation results are presented.
The fundamentals of patch antenna design and performance. This paper presents a v slot microstrip patch antenna. In this paper, the design frequency and the thickness of the substrate were kept constant, while different substrate materials were used in the design of an inset fed rectangular patch antenna in other to study the effect of these substrate materials on the gain and radiation pattern of the. Directional patch antenna array design for desktop wireless internet abstract to improve desktop wireless internet access, two patch antenna configurations were investigated in order to find an alternative for a dipole antenna, which is commonly used for wifi access. Design of wideband circularly polarized capacitive fed. A triple frequency triangular patch antenna is presented in this paper which from e c at acharya nagarjuna university. Design procedure a probe feed patch antenna is designed with the help of hfss antenna design software25 with benzocyclobutene as the substrate material. Jul 11, 2014 this paper presents the design, simulation, fabrication, and characterization of a 30% bandwidth microstrip patch antenna that incorporates multiple broadband techniques while minimizing footprint area. Wideband aperture coupled patch array antennas high gain, low side lobe design. Multitechnique broadband microstrip patch antenna design daniel colles northrop grumman corp redondo beach, ca, usa dean arakaki electrical engineering department california polytechnic state univ san luis obispo, ca, usa abstract microstrip patch antennas offer low profile and small footprint advantages, but limited operating bandwidth. What it exactly meant is that hfss actually compared the gain to an isotropic antenna. Design rectangular patch antenna using hfss part 1 youtube.
The patch size, substrate thickness, slot dimensions, and the microstrip stub dimensions were optimized to meet the desired bandwidth. Citeseerx document details isaac councill, lee giles, pradeep teregowda. I am designing a microstrip antenna but here i am getting s11 is of around 7db,how to. Methods include patch shape, dielectric thickness, and coupling slot optimization, with capacitivelycoupled lprobe feeds. A 77ghz onchip microstrip patch antenna with suppressed. Following table shows the entire data about the micro strip patch antenna. Probe feed patch antenna 2 probe feed patch antenna getting started click the microsoft start button, select all programsansoft hfss 12 hfss 12 or double click on the hfss 12 icon on the windows desktop adding a project and design to insert a design into an open project. Wideband aperture coupled patch array antennas high. Design and simulation by hfss of a slim uwb pifa antenna. Here microstrip patch antenna is being simulated using hfss high frequency structure simulator. Substantial research focuses on broadband techniques.
In this research work, a v slot multiband microstrip patch antenna is designed and simulate on hfss. This paper presents the design, simulation, fabrication, and characterization of a 30 % bandwidth microstrip patch antenna that incorporates. Since a micro strip patch antenna radiates normal to its patch surface, the elevation pattern for. The 2x2 patch array antenna is simulated using ansoft hfss. In this paper, a wideband circularly polarized microstrip patch antenna is proposed. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. Dualpolarized aperturecoupled wideband microstrip patch. The designed antenna is suitable for wlan application. A patch antenna is effectively a resonant structure fed into a point with an approximate input impedance of 50\\omega\. The 15db bandwidth of antenna is 43%, and isolation is better than 33db over this bandwidth. Comparative analysis of dual, quad and octa element patch. When incorporated in the array the gain is enhanced to around 7db. This paper presents the design, simulation, fabrication, and characterization of a 30% bandwidth microstrip patch antenna that incorporates multiple broadband techniques while minimizing footprint area.
Analysis and design of rectangular microstrip patch antenna. Design and simulation of star circular micro strip patch antenna. Proposed antenna is operated at different resonant frequencies and achieving gain greater than 7db with vswr. We can find its formula of radiation in several literature documents old and recent. Microstrip antennae are very simple in construction using a conventional microstrip fabrication technique. The radiation pattern for proposed microstrip patch antenna for gaintotal, phi and theta at 0deg and 90deg is presented in figure 6a, 6b and 6c. Original lp patch antenna the original antenna is a square patch fed by two ports at two adjacent edges as shown in figure 1. Patch antenna with the same substrate for gps l1 and l2. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss with the investment of only a few hours of time.
Directly, negative permittivity and permeability values can be entered using hfss, based on finite element method. In the 1st trial i designed a microstrip patch antenna in this for feeding point. In this paper, a small microstrip patch antenna is designed to satisfy uwb requirements. In order to meet these challenges the bandwidth of familiar antenna architectures has been extended. Design of patch antenna the dimensions of patch are given by the following relations 1. The proposed antenna shape presented can be used over any frequency band and can be applied to various applications. I have designed a microstrip patch antenna in hfss at 28 ghz, its bandwidth is. The antenna has been simulated using hfss simulation software, and the performance is studied for the second iteration of.
Simulated single microstrip circular patch antenna 30. The rectangular microstrip antenna is the simplest printed antenna in terms of structure. The measured results demonstrate that the structure exhibits a wide impedance bandwidth of 59. Multitechnique broadband microstrip patch antenna design. An antenna is a transducer that converts the radio frequency fields into alternating currents or. A single circular microstrip patch antenna and its array is been simulated by using hfss software here substrate material used is rogers rtduroid 5880 height is h 0. From simulation it is observed that the proposed antenna possesses a front to back ratio of. You didnt give me the setup frequency you used in hfss. Patch antenna operating at ism band this paper presents antenna design for the detection of brain tumor and that can be operated in ism band.
Microstrip patch antenna design using hfss youtube. I use pin to reduce the size of patch antenna, but efficiency reduce sharply, meanwhile s11 reaches to 30 db, the max gain is about 5 dbi. Paper open access related content siw based wideband. Design of a sierpinski fractal shaped bowtie antenna for wlan applications author. Design and analysis of planner inverted f antenna pifa. The proposed antenna with uslot and csrr enhanced the matching upto37.
Width of the patch 1 due to fringing effects the effective length of patch l eff appears to be more than the actual length of the patch l. Antenna gain enhancement and beamshaping using a diffractive optical element doe lens by christopher torbitt a thesis submitted in partial fulfillment of the requirements of the degree of master of science in electrical engineering approved by. Simple systematic frequency reconfigurable microstrip. High gain semicircular patch antenna array resonating in. Its the final year presentation at 75% of its full flow. It will be helpful for those who do not know about it or find. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2. Effects of using different substrates on the performance. Analysis and design of circular microstrip patch antenna at 5.
Patch antenna feed length and width were adjusted through hfss simulations to maximize antenna impedance bandwidth, see fig. Microstrip patch antennas offer low profile and small footprint advantages, but limited operating bandwidth. The parameters evaluated were gain, beamwidth and return loss. Simulated results of 2d e plane, h plane patterns are shown.
Nov 09, 2017 inset fed triangular shaped patch antenna design at 2. Microstrip patch antenna, reflection coefficient, triple band, hfss high frequency structure simulator. Design of e shaped patch antenna for uhf application and. In this paper, a rectangular microstrip patch antenna is designed using hfss software. The simple patch antenna almost meets the criteria for our radar except for a few shortcomings. Substrate, gain, radiation pattern, patch antenna scientific. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. How can i increase s11 of my antenna, i have it at 9 db and at 7db. The gain of the studied antenna is about 5 db and 5. From the simulation studies, using hfss, the optimum design parameters of the.
The antenna is simulated by using both zelands mom based ie3d tool and hfss, the simulation results are identical hence validate the design. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Microstrip antenna is one of the most popular types of printed antenna. Design of multiband triangular slot rectangular patch antenna using cst free download abstract this paper introduces the triangular slot rectangular patch antenna for improving the gain and it is operated for multiband applications. Hfss design of square patch antenna with slot duration. We use a simple rectangular, half wave long, probefed patch operating in. Millimeter wave circular microstrip patch antenna for 5 g. Reconfigurable patch antennas with fourpolarization.
Determining input impedance of patch antenna in hfss. The antenna was designed and simulated using hfss software. This bandwidth was improved by etching a uslot in the antenna patch. For your info, isotropic antenna is actually an ideal antenna which emits gain of 1 absolute value equally in a sphere form. Vayada, arti patel abstract microstrip patch antenna is widely used because of its advantages but main drawback is its narrow bandwidth, to overcome this drawback software like hfss, cadfeko can be.
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