The triangular shaped patch antennas are preferably used for research work because of its smaller coverage area attributes. The reflection coefficient is less than 10db for a frequency range of 3. Ansari abstractthe proposed microstrip antenna is based on fractal techniques and designed for wireless applications. A triangular patch antenna for uhf band with microstrip feed. Rectaangular microstrip patch antenna for wireless. The gain of patch antenna with and without slots is 1. One of the main disadvantages of mpa which limits its applications is its narrow bandwidth. The parameters evaluated were gain, beamwidth and return loss. The patch is generally made of conducting material such as copper or gold. Triangular shaped sirpinski fractal patch antenna used in. To increase the radiation and bandwidth, shape of patch can be changed by creating slots on it. The dimensions of this antenna are 59 mm and 79 mm. So, can anybody tell me the direct way to find the input.
The simulation has been performed by using high frequency structure simulator hfss which is based on finite element method technique. Dual band x shape microstrip patch antenna for satellite. Equilateral triangular microstrip antenna for circular. This paper also presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array, in kuband. In recent years, the low profile microstrip patch antennas. Microstrip patch antenna mpa is widely implemented in different communication systems. This work presents an analysis and comparison of rectangular patch antenna arrays and triangular patch antenna arrays. Rectangular patch antenna array design at ghz frequency. Pdf design of a triangular patch microstrip antenna on a.
Microstrip patch antenna design linkedin slideshare. The directivity of the patch antenna with and without slots is 5. Analysis and design of rectangular microstrip patch. Triangular patch with stepped triangular microstrip. By default, the dimensions are chosen for an operating frequency of 15 ghz. 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. Multiband fractaled triangular microstrip antenna for. Prototype fabrication is done using photolithography technology.
Design and simulation tringular patch with stepped antenna using cst microwave studio antenna,microstrip, patch antenna,coaxial cable,radio,microwave engineer. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. A design rule for insetfed rectangular microstrip patch antenna. In this paper, a new triangular patch antenna with u shaped slots is presented which resonates at 0. This paper compares the rectangular patch antenna and equilateral triangular microstrip antenna in terms of their return losses and radiation pattern. Pdf equilateral triangular microstrip antenna a new.
Inset fed triangular shaped patch antenna design at 2. The formulas we used to calculate the length and width of patch are shown below. Antenna design architecture and optimization the geometry of the proposed patch slotted antenna is shown in figure 1 proposed x shaped. Additional benefits of patch antennas is that they are easily fabricated making them cost effective.
The vswr obtained is less than 2 the patch antenna is found to have the compact size and 90% maximum fractional bandwidth. The optimal geometrical parameters of the proposed shape antenna are obtained by using ansoftas 3d full wave electromagnetic simulator hfss which is based on finite element method fit. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Micro strip antenna has limited bandwidth due to resonance behavior. The performance parameters were achieved with return loss 16. The dimensions of antenna can be found in the hfss simulation file. The photonic crystal, due to band gap and periodicity of dielectric media is used as substrate for high. Analysis and design of rectangular microstrip patch antenna using hfss p. The radiating elements and the feed lines are habitually photo etched on the dielectric substrate. There is a variety of shapes available for microstrip patch antenna.
Create a scalene triangular patch antenna with side using the following dimensions. A comparative study of rectangular and triangular patch. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna.
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. It consists of rectangular substrate and the metal trace layer as shown in fig. I have gone through many threads in the forum about finding the input impedance of patch antenna, however all the replies cant catch my mind. A microstrip patch antenna for radar application is presented. The simulation gave results good enough to satisfy our requirements to fabricate it on. Triangular patch, photonic crystal, band gap, finite element method fem, hfss. Equilateral triangular microstrip patch antenna using different substrates.
The radiating patch may be square, rectangular, thin. First the model of the microstrip patch antenna has to be drawn in hfss. Solved find the input impedance of patch antenna in hfss. The design is analysed by finite element method fem based hfss simulator software 14. Design of a triangular patch microstrip antenna on a. The general structure of the micro strip patch antenna is shown in figure 1. Analysis and design of circular microstrip patch antenna at 5. The antenna dimensions have been optimized using em simulation tool. Multiband fractaled triangular microstrip antenna for wireless applications mohd g. 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. It is shown to be possible to design twolayer equilateral triangular patch antenna for dualband. In this paper, conventional shapes like rectangular, triangular. Triangular patch microstrip antenna a probefeed single patch etma is designed simulated for resonant frequency 2. The proposed rectangular patch antenna has been devise using glass epoxy substrate fr4 with dielectric constant.
The top layer shows the patch, the middle layer shows the substrate and the bottom layer constitutes the ground plane. Use the patchmicrostriptriangular object to create a triangular microstrip patch antenna. Of course, tradeoffs also occurs, so you must be careful. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Triangular patch is one of a basic patch geometry used in several applications because of being physically smaller than other patch geometries like rectangular and circular patches. 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. International conference on recent trends in engineering.
The triangular shaped patch antennas are preferably used for research work because of its smaller coverage area attributes, however, similar to rectangular patch. Amit kumar tripathi et al, ijcsit international journal. Sep 16, 2019 step by step antenna design for wifi application. Keywordcircular patch antenna, directivity, genetic algorithm, hfss, rectangular patch antenna, return loss, triangular patch antenna. These microstrip patch antenna yields dual characteristics with resonated frequencies of 1. Probe feed patch antenna4 probe feed patch antenna als tab. Simulation of rectangular, singlelayer, coaxfed patch antennas using agilent high frequency structure simulator hfss kunal parikh abstract the range limited antenna rla is a device, which accurately estimates the range of incoming signals and rejects those that arrive from outside a certain, predetermined range. The triangular shaped patch antennas are preferably used for research work because. Comparison of different shapes in microstrip patch antenna. By using four slots on patch antenna he designed a g shape on patch. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. In this paper i enhanced the bandwidth of mpa by inserting multiple slots in its ground plane. The bandwidth of the antenna can be said to be those range of frequencies over which the rl is greater than the 15 db.
Equilateral triangular microstrip patch antenna using. Introduction in recent years, the low profile microstrip patch antennas with various configurations have compared tobeen developed for the extensive applications triangularof wireless communication into. This proposed antenna comprises of two triangular shape patches with two triangular slots. A comparative study of rectangular and triangular patch antenna.
Analysis of rectangular and triangular microstrip antenna arrays. In this work, the bandwidth of the microstrip patch antenna has been enhanced using multiple numbers of slots in the ground plane. Characteristics of equilateral triangular patch antenna on. Design and research of rectangular, circular and triangular. Increasing microstrip patch antenna bandwidth by inserting. In the above figure, you will see that the first value of the side is chosen as the base of the triangle. In this paper, a triangular patch microstrip antenna on the substrate material of a photonic crystal is designed and analyzed. The structure of the micro strip patch antenna consists of a thin square patch on one side of a dielectric. International journal of advanced research in electronics and.
The radiating element is an ashaped triangle on which fractal concept is applied. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. Analysis of rectangular and triangular microstrip antenna. Patch antenna march 1998 65 the plot of r2 on the yaxis against p tp r on the xaxis gives a straight line with slope equal to since one of the antennas is a standard yagi antenna, whose gain i. Top view of the triangular microstrip patch antenna in hfss the hfss high frequency structure simulator software was used for simulation of triangular microstrip patch antenna. Generation of multiple modes in triangular patch antenna with 30. The 2x2 patch array antenna is simulated using ansoft hfss. The center frequency will be approximately given by. In the search by name field, type rogers rt duroid 5880 tm.
The proposed equilateral triangular micro strip patch antenna is designed by using different. Inset fed triangular shaped patch antenna design at. For the comparative study the ansoft hfss v11 is used. A design rule for insetfed rectangular microstrip patch. Structure of triangular patch antenna with u slot the proposed antenna was fabricated on fr4 substrate. Triangular patch microstrip antenna keywords triangular patch, photonic crystal, band gap, finite element method fem, hfss. The objective here is to analyze the results of various patches.
Design of a dual patch triangular microstrip antenna. Microstrip patch antenna design using hfss duration. The antenna is constructed with the help of microstrip feed line. Now when that happens, the usual microstrip patch antenna analysis comes in. The twolayer triangular patch at both the frequencies 3. Microstrip patch antenna with slots in ground plane. Design of rectangular microstrip patch antenna ieee.
The design investigation on the triangular patch antenna is presented at 1 ghz to 6. Isosceles triangular shape microstrip patch antenna. Photograph of triangular patch antenna with u slot 3. If you use a teflon substrate, the default operating frequency is at 12.
A photograph of the fabricated prototype is shown in figure 2 figure 2. International journal of advanced research in electronics. The designed antenna is suitable for mobile communication, cell phone antennas etc. The simulation gave results good enough to satisfy our requirements to fabricate it on hardware which can be used wherever needed. Analysis of rectangular and triangular microstrip antenna arrays using hfss. The resonance frequency of a triangular patch can be found using the cavity model, in which the triangle is. Also, the effect of a suspended substrate on input impedance, bandwidth, and gain of an equilateral triangular patch antenna has not yet been investigated, so commercial softwares hfss ansoft corp. However, rectangular patch antenna is more directive, it has 9 db in directivity and 61 in radiation beamwidth at eplane. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
Click the ok button create substrate to create the substrate. The radiating patch may be square, rectangular, thin strip, circular, elliptical, triangular. Simulation results this antenna is suitable for operating frequency 3. A rectangular micro strip patch antenna for ultra wide. Simulation and results the proposed antenna was simulated by using hfss high. Jul 22, 20 triangular microstrip antenna matheus alimura. A triangular patch antenna for uhf band with microstrip. Genetic algorithm optimization and performance comparative. The frequency of operation of the patch antenna of figure 1 is determined by the length l. Physical dimensions of insetfed microstrip patch antenna p often microstrip antennas are referred to as patch antennas. The triangular geometry of micro strip antenna is one of the most common shapes having a wide range of wireless application ranging from circuit element to wireless antennas. The antenna radiation reflected lesser in antenna with fss layer by 7.
260 1615 825 374 1255 1436 1075 628 396 1374 1176 1236 434 69 254 1603 1030 1521 1579 310 223 850 165 68 1316 1093 680 806 362