It consists of area of metallization supported above a ground plane by a thin dielectric substrate and fed against the ground at an appropriate location. The performance parameters were achieved with return loss 16. Microstrip patch antenna in recent years emerged a lot in different field of communication such as mobile communication, satellites, wireless local area networks etc. The following image shows a microstrip or patch antenna. It is emphasised to the radiation properties of the antennasthe radiation pattern and polarization purity. For small antenna design, the size of the ground plane is a very important parameter to be. Design of microstrip patch antenna mpa in cst mws full hd duration. When i was young not even in university i had an identical task to design narrow.
The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Patch antenna has a narrow bandwidth so it has a complexity in tunings. Patch antenna category is a curation of 10 web resources on, patch antenna for apt, the basics of patch antennas, patch antenna. For this example, a simple square patch antenna was used and was created directly in cst studio suite. The designed antenna is realized using microstrip line feed on a 1. Design of microstrip antenna in cst microwave studio this is the second part of the inset fed patch antenna design tutorial using cst microwave studio. In this paper, an enhancement in the gain, bandwidth, vswr, return loss and directivity this will make antenna more compact and low profile and this parameter is achieved by slotting an ece radiating patch and using a defected ground structure and by using proximity. 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. Microstrip patch antenna design santa clara university. Design and simulation microstrip patch antenna using cst microwave studio 1. Deschamps in 1953, but didnt become practical until the 1970s when it was developed further by researchers such as robert e.
How to find impedance at edge of a microstrip patch in cst. Antennas using patches as constitutive elements in an array are also possible. So, there is a requirement to increase the bandwidth and gain of microstrip patch antenna mpa. Recently, we presented a variant of the shorted microstrip patch antenna that improved the efficiency of the small antenna, whilst not compromising the size advantages of the shorted patch. Design and optimization of rectangular microstrip patch.
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. Design and simulation microstrip patch antenna using cst microwave studio. Thus the design and simulation of microstrip rectangular patch antenna was successfully designed and analyzed using ansoft hfss. Microstrip patch antenna using cst microwave studio youtube. Pdf introduction on microstrip patch antenna design rectangular microstrip patch antenna with microstrip feed line theoretically to design. How to get started with designing a microstrip patch.
The final antenna structures of both patch antennas are determined by inputting the data obtained from empirical equations. Following equations or formula are used for this microstrip patch antenna calculator. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Design and performance analysis of rectangular microstrip patch. Google for microstrip patch antenna handbook or go into the arrl magazine or any other ham radio organisations. Design and fabrication of a microstrip patch antenna. I have attached a tutorial to design a probefed patch antenna using cst microwave studio. Modern uwb antennas and equipment where cc and cd are expressed in terms of line width w, substrate thickness d, and relative permittivity. Resonant frequency of the antenna10ghz relative permittivity of the substrate 2.
Design of a rectangular patch antenna using computer simulation technology cst nik nurul azuin bt nik abdul rahman, id no 2010702499, group. Analysis and design of circular microstrip patch antenna at 5. The frequency range in which the antenna is planed to be be propagating, the size of the. For wideband patch antenna design on new cst 2017 version, please watch this. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. Analysis of micro strip patch antenna using coaxial feed. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. How to design an microstrip patch antenna using cst studio. From the last meeting that we discussed,our group are able to run the simulation of cst in designing the rectangular microstrip patch antenna.
Slot antenna differs with patch antenna in many aspects. This is a tutorial series on microstrip patch antenna design with inset feed in cst microwave. 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. Additionally, table 1 details antenna characteristics from the cst simulation. What is the difference between slot antenna and patch. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. 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 of modern microwave systems 6. The antenna was modeled in cst microwave studio and the results are illustrated below. Microstrip antenna an overview sciencedirect topics. The basic structure of the microstrip patch antenna is shown in figure 1.
A micro strip patch antenna consists of a very thin metallic. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. In this research paper, the authors have designed a microstrip rectangular patch antenna used in educational broadcasting service ebs. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. The center frequency will be approximately given by. Antdevco employees have designed andmanufactured spacecraft microstrip patch antennas for many small spacecraft programs.
Single microstrip patch antenna working at 28 ghz, microstrip patch antenna one of ideal solution for cost sensitive radio applications because of small size, low profile, simplicity of coordination and ease of integration in portable wireless devices 2324. 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. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight.
The return loss and the various gain plots have been studied along with the radiation patterns. Due to the imperfect value of the graphs11 and vswr value graph we obtained from the last discussion,we had been make some effort to optimize it. The patch is created on a doublelayered substrate with an air gap and is placed inside an abs box. The microstrip patch antennas have limited gain and bandwidth performance. Cst microwave studio is used to design the metamaterial based rectangular microstrip patch antenna. This article describes the design, fabrication and testing of micro strip patch antennas operating at 2. In this part of the tutorial, we will use the dimension calculated in the first part to design the patch antenna in cst microwave studio. The frequency of operation of the patch antenna of figure 1 is determined by the length l. This video shows how to design a wideband patch antenna or monopole antenna in cst from the scratch including simulation results s11. Microstrip line feed is used, simulation results are obtained using cst microwave studio and the fabricated antennas are measured using wave and antenna. To design and fabricate a linearly polarised rectangular square microstrip patch antenna on a given substrate of thickness 0. Microstrip square patch antenna using cst by shamsur rahman. Design of a rectangular patch antenna using computer. Additional benefits of patch antennas is that they are easily fabricated making them cost effective.
Microstrip square patch antenna using cst by shamsur rahman akash. And measure the antenna parameters like return loss and radiation pattern. 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. These antennas are capable of supporting high data rates to at least 10 watts of transmittedpower. 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. Design and analysis of microstrip patch antenna arrays. It is selfexplanatory and provides stepbystep procedure to model. Design and simulation microstrip patch antenna using cst.
The radiation pattern of microstrip or patch antenna is. Keywordscst microwave studio, microstrip patch antenna, ku band. Patch antenna is actually a patch antenna placed over a antenna base. Design of a rectangular microstrip patch antenna using. Microstrip patch antenna using cst microwave studio defected ground structure based microstrip patch patch antenna for sband. This paper presents the application of frequency selective surfaces fsss in rectangular microstrip patch array antenna mpaa as a. 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. Design of microstrip patch antenna with inset feed in cst for ebs.
Applications include gps, usaf sgls, nasa sn including. The overall design steps for designing the patch antenna in cst microwave studio involves 1. Rectaangular microstrip patch antenna for wireless. Simulation results the design of conventional and our proposed circular microstrip patch antennas is carried out with simulation soft cst microwave studio. Pdf design and simulation microstrip patch antenna using cst. There are few basic things that must be known before designing an antenna in general such as. Microstrip patch antenna design for ku band application. Actually, slot antenna is a radiating element formed by a slot in a metallic surface. The geometry of the designed microstripline feed microstrip patch antenna is as shown in fig. Uhf patch antennas for space antenna development corporation, inc.
Click here to go to our page on circular patch antennas new for september 2018. Cst studio suite used to design microstrip patch array. Analysis and design of ism band patch antenna array. Microstrip square patch antenna using cst by shamsur rahman akash duration. The fundamentals of patch antenna design and performance. Different substrates use in microstrip patch antennaa survey. Microstrip patch antenna calculator patch antenna formula. Patch antenna cst model the s11 and farfield realized gain plots are depicted in figures 3 and 4, respectively. Microstrip antennas have high q q 100 is common, which means that they have small bandwidths. Ee2405a abstract a design of a microstrip rectangular patch antenna is presented in this paper. In general microstrip patch antennas are also known as printed antennas. Consideration is given on practical design technique, including substrate selection and antenna measurements. The basics of patch antennas, updated orban microwave.
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