Keywords microstrip patch antenna, frequency, gain, beamwidth, hfss,wireless communication. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. Mar 07, 2016 hfss microstrip patch antenna analysis and design 1. The most common type of microstrip antenna is the patch antenna. Patch antenna category is a curation of 10 web resources on, experimental patch antenna, patch antenna for apt, the basics of patch antennas. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. Analysis and design of rectangular microstrip patch. It consists of rectangular substrate and the metal trace layer as shown in fig. Input impedance 100 resonant frequency of the antenna10ghz.
It also has a wide angle of beam in its radiation pattern. 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. To do this we determined it would be best to use inset feed matching. The aim of this work is to design and simulate a pinfed. Microstrip antenna design handbook ramesh garg, prakash.
Determining input impedance of patch antenna in hfss. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Siddaiah procedia computer science 85 2016 401 a 409 fig. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Advancement in microstrip antennas with recent applications. Finally, we analyzed the 1x4 corporate feed linear microstrip patch array antenna that has been designed with dielectric constants of. Pdf simulation od microstrip antenna using hfss researchgate. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Microstrips patch antenna with slot array using hfss youtube. Then different antenna parameters are plotted and briefly explained. Design of a stacked microstrip patch antenna using hfss. A design of hshape microstrip patch antenna for wlan applications d. First the model of the microstrip patch antenna has to be drawn in hfss.
The goal is to match the input impedance zin to the transmission line z0. 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 constant. Another important one that can take the advantage of phased arrays is automotive collision avoidance radar or adaptive cruise control technology. The microstrip antenna can also be matched to a transmission line of characteristic impedance z0 by using a quarterwavelength transmission line of characteristic impedance z1 as shown in figure 2.
Patch antenna design for simulation before inset feed. View microstrip patch antennas research papers on academia. A microstrip patch antenna mpa consists of a conducting patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on other side. When this is the case the role of a computer aided design package is vital. Analysis and design of rectangular microstrip patch antenna. Dharani2 1, 2 pg scholars, department of ece, bannari amman institute of technology, sathyamangalam, erode, tamil nadu, india abstract. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. The proposed antenna works on the wireless local area network wlan frequency of 2. Design and analysis of microsrtip square patch antenna under the kind guidance of. The center frequency will be approximately given by. Here well see the steps to simulate a designed antenna in hfss software. The basics of patch antennas, updated orban microwave. May 01, 2018 hfss tutorial 2 microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch duration.
After finding the patch size the antenna feed line should be designed. The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or some other common shape. The radiation pattern of microstrip or patch antenna is. A design of hshape microstrip patch antenna for wlan.
Antenna design a conventional microstrip patch antenna is usually mounted on a substrate and backed by a conducting ground plane. As an example, the real and imaginary parts of zin z11 have been shown in the figure below. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e. The book discusses basic and advanced concepts of microstrip antennas, including design procedure and recent applications. The patch antenna is a good place to start for antenna fundamentals with more coming. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. In this design, we are concentrating on rectangular microstrip patch antenna which consists of rectangular patch of length l1 and width w2 of the patch. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. Click here to go to our page on circular patch antennas new for september 2018.
Based on the 1980 text, microstrip antennas, this volume offers information on designing any type of microstrip antenna. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. Rectaangular microstrip patch antenna for wireless. The fundamentals of patch antenna design and performance. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. Microstrip patch antennas for broadband indoor wireless. Multiple patch antennas on the same substrate see image called microstrip antennas, can be used to make high gain array antennas, and phased arrays in which the beam can be electronically steered. They are the original type of microstrip antenna described by howell in 1972. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Step by step procedure explanation of antenna design using hfss software hfss basics. Hfss, feed point location, microstrip patch antenna, simulation, return loss.
Simulated and measured results are presented to validate the usefulness of the proposed antenna structure for uwb applications. As the microstrip patch antenna consist of a ground a patch and a substrate. The design of a stacked aperture coupled microstrip patch antenna is very challenging when dealing with wideband impedance matching. The following image shows a microstrip or patch antenna. Antennas using patches as constitutive elements in an array are also possible. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Abstract due to the existence of growth in development of low cost, less weight, highly reliable, minimal profile antennas for wireless. Impedance matching is a major challenge because the effect of changing one of the parameters in not independent of the others. Simulation of microstrip patch antenna in hfss full hd youtube.
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. But illustrates sizes and importance of good antenna design why microstrip antennas. Design and analysis of microstrip patch antennas using. Microstrip patch antenna has a ground plane on the one 1. Hfsss microstrip patch antenna design part1basics of. Microstrip patch antenna implementations is a mile stone in wireless communication system designs 1. Analysis and design of circular microstrip patch antenna at 5. Microstrip patch antenna array design to improve better. For finalized patch antenna design we needed to implement a matching network that would allow for a match to a 50. Design of microstrip patch antenna in hfss full hd youtube. Moreover, the designed antenna has a smaller size of 27.
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. 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. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Microstrip patch antenna design santa clara university. While designing a microstrip antenna in hfss, how much. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. A variant of the patch antenna commonly used in mobile phones is the shorted patch antenna, or planar invertedf antenna pifa. Apr 19, 2016 the resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. 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 using hfss linkedin slideshare. Keywordsmicrostrip patch antenna, frequency, gain, beamwidth,hfss,wireless communication. 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.
This video tutorial shows how to design a microstrip patch antenna in hfss software. 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. The em waves fringe off the top patch into the substrate, reflecting off the ground plane and radiates out into the air. Rectangular microstrip patch antenna for wireless communications at 6. A new high gain, wideband hshape slot loaded microstrip patch antenna is presented in this paper. In its most fundamental form, a microstrip patch antenna consists of a radiating patch on one side of a dielectric substrate which has a ground plane on the other side as shown in figure 2. Microstrip patch antenna array design to improve better gains. The dimensions of antenna can be found in the hfss simulation file. Sep 01, 2016 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 constant.
The frequency of operation of the patch antenna of figure 1 is determined by the length l. Impedance bandwidth and gain improvement for microstrip. Phased array antennas are traditionally used for military radar applications. Hfss tutorial 2microstrip patch antenna with a cutting slot coaxial feed how to cut slot in patch duration.
In addition to addressing essential microchip antenna theory, the authors highlight current design and engineering practices, emphasizing pressing issues such as broadbanding, circular polarization and active microstrip antennas in particular. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. May 04, 2017 2 4 ghz rectangular microstrip patch antenna using hfss software duration. Hfss design of rectangular patch antenna using microstrip line feedingedge feeding duration.
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