Jun 22, 2018 simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Seriesfed aperturecoupled microstrip antennas and arrays. Listed under the antennas antenna calculators category that is about antenna design calculators. I have to simulate a very easy antenna a dipole surrounded by a radome a cilindrical or spherical geometry of many different thickness. In our study we are interested in rectangular and circular patch antenna designs. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Antenna design, fifth generation, fr4, antenna gain, microstrip patch antenna, 4x1 linear array antenna. Shows the geometry of the proposed four element square micro strip antenna in hfss four element square patch array antenna design simulations results are as follows.
I would like to invite your contribution for this questions about insetfed rectangular microstrip patch antenna. As a universal part of daily work and personal life, the development of the mobile phone device entails the opportunity to examine how technology drivers are pushing for. How to find exact feeding position in a microstrip patch. The patchmicrostrip object is a microstrip patch antenna. It consists of rectangular substrate and the metal trace layer as shown in fig. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Assign perfecte boundary to the rectangular patch and the trace. In this work, the simulation tool of ie3d is used to study the performance and gain of the rectangular microstrip patch antenna. The simulation gave results good enough to satisfy our requirements to fabricate it on hardware which can be used wherever needed. Following equations or formula are used for this microstrip patch antenna calculator. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight.
The length of the patch for a rectangular patch antenna normally would be 0. As shown in figure slots are separated by distance l, when, the width of the structure has a maximum voltage and minimum current, then, it. A general twodimensional 2d representation of a patch antenna is given in figure 1. Microstrip patch antenna design santa clara university. The aim of the thesis is to design and fabricate a line feed rectangular microstrip patch antenna and study the effect. The feed type and feed position of a patch antenna vary the input impedance. This paper shows the design considerations of the proposed antenna as well as the simulated results of the same. 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. The designed antenna is suitable for mobile communication, cell phone antennas etc.
The designed antenna has a resonating frequency of 2. The parameters evaluated were gain, beamwidth and return loss. Top view and side view of rectangular microstrip patch antenna. Increase in length of the microstrip patch probe feed microstrip antenna typically, to excite the fundamental tem mode, the length l of the rectangular patch. Cross slot rectangular microstrip patch antenna for wlan. Introduction in desiging the microstrip patch antenna many parameters. Threeelement vectors of cartesian coordinates in meters. Additional benefits of patch antennas is that they are easily fabricated. I searched about patch antenna and i find some calculator about them so please see this page em. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Electric field from a microstrip patch antenna figure 3.
The patch antenna is a good place to start for antenna fundamentals with more coming. The 2x2 patch array antenna is simulated using ansoft hfss. The structure of rectangular microstrip patch antenna rmsa is as shown in fig. Design of rectangular microstrip patch antenna part 1 matlab calculation duration. In this case, each vector starts at the origin and lies along the specified points on the x, y, and zaxes. The network showed high success rate as the results of hfss ansoft simulation. Seriesfed aperturecoupled microstrip antennas and arrays by bojana zivanovic a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy department of electrical engineering college of engineering university of south florida major professor. The objective of this research is to analysis the results of different patches for different dielectric constants as 2. What is the optimized gap size of an insetfed rectangular.
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. Microstrip patch antenna calculator resource detail the. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. Patch antennas were used because of their ease of integration with printed circuit board pcb technology. Apr 30, 2018 microstrips patch antenna design and stimulation in ansys hfss software. Does anyone have an idea about the wave port or lumped port in hfss,which. Patch antenna calculator file exchange matlab central. The dimensions of antenna can be found in the hfss simulation file.
Click here to go to our page on circular patch antennas new for september 2018. In this paper, a rectangular microstrip patch antenna is designed using hfss software. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof. The objective of this tutorial is to simulate a microstrip patch antenna resonating at a. The design of the proposed antenna involve two phases, the first phase is to design and simulate a simple micro strip patch antenna and the second phase involves design and simulation of patch antenna with fss structures using the design in the first phase as a base antenna. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. 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. Microstrip or patch antennas are becoming increasingly useful because they can be printed directly onto a circuit board. Pasternacks microstrip patch antenna calculator determines the length and width in millimeters of a rectangular patch antenna. Patch antennas are low cost, have a low profile and are easily fabricated. D thesis,gastric cancer phd thesis acknowledgements dissertation family dissertation titles in rguhs phd thesis on patch antenna master thesis in communication engineering. The microstrip antenna array consists of a number of flat metallic radiating patches on a grounded. First the model of the microstrip patch antenna has to be drawn in hfss.
For australian and new zealand students, tutorials located here. Basic geometry of a simple rectangular micro strip patch antenna. The proper miniaturized antenna will improve transmission and reception, reduce power consumption 1. Design and analysis of cross slot microstrip patch antenna the geometry of the x slot rectangular microstrip patch. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Analysis and design of rectangular microstrip patch antenna. Hfss design of rectangular patch antenna using microstrip line feedingedge feeding.
The coordinate axis is taken at the center of the patch or substrate. Design analysis of microstrip patch antenna for rectangular. Design of probe feed microstrip patch antenna in sband 419 figure 2. Ive just find out that if i change the dimensions of my air box ive done a cilindrical air box my radiation patterns change a little bit. Design of probe feed microstrip patch antenna in s band. Sep 01, 2016 this slide describes design and simulation about the micro strip patch antenna using hfss software. Listed under the antennasantenna calculators category that is. Without a reasonable impedance match, the antenna will not radiate much, if any, power.
Simulation of rectangular microstrip patch antenna open. Design of a rectangular microstrip patch antenna using inset. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. As shown in figure slots are separated by distance l, when, the width of the structure has a maximum voltage and minimum current, then, it acts as an open ended circuit. Microstrips patch antenna design and stimulation in ansys hfss software.
Microstrip antennas are becoming very widespread within the mobile phone market. Hfss modeling are developed to calculate the antenna dimensions, for some given resonant frequency, aspect ratio, dielectric constant and height of substrate. Microstrip patch antenna calculator patch antenna formula. Barnes cranfield college of aeronautics, cranfield university t his paper investigates the design, measurement and characteristics. Design and analysis of 28ghz rectangular microstrip patch. But illustrates sizes and importance of good antenna design why microstrip antennas.
801 1563 691 162 704 159 732 205 1231 1026 1249 789 1082 1536 944 90 738 905 512 556 1121 1545 545 1103 1500 383 95 75 184 325 298 162 634 1307 162 967 505 591