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. Achieved return loss is low which infers that the design is very. Antenna is a radiating element which radiate electromagnetic energy uniformly in omni direction or finally in some systems for point to point. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Microstrip patch antenna construction and design aperture. Microstrip patch antenna construction and design aperture antenna basics. The proposed antenna array consists on a single substrate. These are very low size antennas having low radiation. The initial microstrip patch antenna design parameters, patch length l, patch width w, feed location x,y, from the centre of the patch, ground plane length and ground plane width were estimated using the following design equations with frequency f o 1. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. The patch antenna is a good place to start for antenna fundamentals with more coming. The purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. Microstrip and printed antenna design electromagnetic waves.
The directivity is fairly insensitive to the substrate thickness. The most common type of microstrip antenna is the patch antenna. Design of a dual band rectangular microstrip patch antenna. Design of sshaped microstrip patch antenna for ka band. Alakmajumder design of an hshaped microstrip patch antenna for bluetooth applications international journal of. 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. Optical microstrip patch antennas design and analysis sciencedirect. Micro strip patch antennas are widely used in compact, conformal and low cost wireless applications due to its advantages over conventional antenna. The designed antenna mainly contains substrate, micro. A practical guide to the designof microstrip antenna arrays.
The antenna is used to design for use with a low cost imaging radar microsar. The antenna design is made on a fr4 substrate having dielectric constant of 4. The microstrip patch antenna is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. A microstrip patch array antenna has been designed for 5.
Design techniques for microstrip patch antenna miss borhade m. The permittivity should be low for large bandwidth but high to make the patch antenna smaller. Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. It also has a wide angle of beam in its radiation pattern. Analysis and design of rectangular microstrip patch antenna. Microstrip patch antenna design santa clara university. Microstrip patch antenna with coaxial feeding using cst simulator. This paper presents a design and simulation of rectangular micro strip patch antenna at 2.
Applied sciences ciicap, autonomous university of morelos state uaem, 62209, av. This technological trend has focused much effort on the basic concepts. The final chapter has a microstrip omnidirectional antenna designs which were only published this year 2004 and allow one to control sidelobes. The parameters evaluated were gain, beamwidth and return loss. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. Design and simulation of microstrip phase array antenna. A proposed microstrip patch antenna array is shown in figure 5. Pasternack carries a variety of panel and patch antennas which. Skrivervik, lema, june 2008 1 electrically small antenna design anja k. Design and analysis of microstrip patch antenna arrays. Refer article on design of microstrip patch antenna used. Resonant frequency of the antenna10ghz relative permittivity of the substrate.
Microstrip transmission line feed method is used to predict the skin effects on a patch antenna and their impact on antenna efficiency, resonance frequency and. Jul 28, 2016 microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. The patch usually fed along the centerline to symmetry and thus minimize excitation of undesirable modes. Design techniques for microstrip patch antenna design 57 words 6 pages.
The goal is to understand the radiation mechanism, polarization, patterns, impedance and bandwidth. Pdf analysis and design of rectangular microstrip patch. The circular micro strip patch antenna as shown in figure 1. Sonia goyal2 1, 2department of electronics and communication engineering punjabi university patiala, india abstract. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. Design of rectangular microstrip patch antenna ieee. Microstrip patch antenna array design to improve better gains.
Pdf design of microstrip patch antenna array for wlan. Design of rectangular microstrip patch antenna abstract. In this design, highgain, directional microstrip patch antenna works at 11. 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. This calculator calculates the length and width of a patch antenna based on the frequency, dielectric constant of the dielectric and the height of the thickness of. There are 4 square micro strip patch antennas connected with coaxial probe feed in the form of array. Design of microstrip patch antenna array using dgs for ism. Most often, microstrip antennas are made by etching the patch from a printed circuit board with conductor on both sides. Rectaangular microstrip patch antenna for wireless. Microstrip square patch antenna using cst by shamsur rahman.
The single feed dual band patch 1996 and a simple diplexer circuit 2003 are also fairly new albeit very simple when understood. Microstrip antenna an overview sciencedirect topics. In the modern days the development in communication systems engineering requires the development of low profile antennas that are capable of maintaining high performance over a wide spectrum of frequencies. It covers microstrip based dcs band design example of mobile patch antenna. Thus, antenna design has become one of the most active fields in the communication studies. Absractin this paper, a rectangular microstrip patch antenna is designed. But illustrates sizes and importance of good antenna design why microstrip antennas. Design of circular micro strip patch antenna with ijert. Analysis and design of microstrip patch antenna for radar. You can also iterate the feed positions in your simulation to find the place that gives the best axial ratio for your operating frequency. A microstrip patch antenna has been designed at a frequency of 77. Hill, a planar microstrip array, iee colloquium advances in printed antenna design and manufacture digest, no. The performance parameters were achieved with return loss 16. In this paper micro strip patch antenna array are designed and analyzed for wlan application, which operating at sband frequency range of 2.
Microstrip patch antenna calculator patch antenna formula. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Micro strip patch antennas patches are in variety of shapes, such as rectangular, square. Design of a rectangular microstrip patch antenna using inset. Here is the link page to the various patch antenna and microstrip antenna topics. Microstrip patch antenna is mostly used in modern communication devices over conventional antennas mainly because of their size. Pdf the purpose of this paper is to design a microstrip rectangular antenna in advance design system momentum ads. The design and analysis of the sshaped microstrip patch antenna is carried out by using cst software tool. The position is likely at the center of the edge of the patch, but id look for references in pozars antenna theory book or in the literature for exact design dimensions. The patch is of length l, width w, and sitting on top of a substrate some dielectric circuit board of thickness h with permittivity. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Rtdurroid 5880 is used as a substrate for this microstrip patch array design.
The patch antennas are popular for low profile applications at frequencies above 100mhz. Invented by bob munson in 1972 but earlier work by dechamps goes back to1953. 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. The proposed configuration of the antenna is shown in figure 1. The larger number of antenna elements, the better gain. The second approach was a more conventional patch antenna array beamsteering concept, whereby rf mems phase shifters, fed via a wilkinson power divider, were used for configuring the phase distribution of the signals of the antenna array.
Micro strip antennas are easy to fabricate and comfortable on curved surface. Dec 04, 2012 the patch usually fed along the centerline to symmetry and thus minimize excitation of undesirable modes. The aim of this project is to design a microstrip phase array antenna in ads advance design system momentum. As an example, the size must increase to have it work at lower frequencies. The top metallic flat region, which is called the patch antenna, sits on a dielectric substrate. The return loss and the various gain plots have been studied along with the radiation patterns.
Design and performance evaluation of microstrip antenna for. Antennas using patches as constitutive elements in an array are also possible. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. The thickness of the ground plane or of the microstrip is not critically important. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal typically copper. Wilson, new design techniques for microstrip antenna arrays, proceedings of the 5th european microwave conference, september 1975, p. Design of microstrip patch antenna mpa in cst mws full hd duration.
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. Micro strip patch antenna design 56 words bartleby. Design parameters and tradeoffs are presented for microstrip antennas. Microstrip patch antenna design linkedin slideshare.
Here, we have integrated the concept of dgs and design of a dual band rectangular microstrip patch antenna with dgs for wireless applications ieee conference publication. A microstrip patch antenna is designed for a wearable antenna. Pdf design of rectangular microstrip patch antenna researchgate. In this paper, we have proposed a slotted microstrip patch antenna with a defected ground structure dgs. What are the exact materials used in designing a microstrip. Microstrip patch antenna design with unified cornered rectangles. The performance of microstrip patch antenna loaded with reactive impedance surface ris is described in terms of gain, bandwidth and. One of the types of antenna is the micro strip patch antenna. The second approach was a more conventional patchantenna array beamsteering concept, whereby rf mems phase shifters, fed via a wilkinson power divider, were used for configuring the phase distribution of the signals of the antenna array. The final chapter has a microstrip omnidirectional antenna design s which were only published this year 2004 and allow one to control sidelobes. 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. 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. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity.
Microstrip square patch antenna using cst by shamsur rahman akash. Microstrip antennas are relatively inexpensive to manufacture and design because of the simple 2dimensional physical geometry. The antenna composed of an array having 8 x 2 patches could achieve the. 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. There are different shapes of an antenna but our focus is on rectangular. There are 4 micro strip patch antennas connected with coaxial probe feed in the form of array. A metal patch mounted at a ground level with a dielectric material inbetween constitutes a micro strip or patch antenna.
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