The study of microstrip patch antennas has made great progress in recent years. Based on the return loss simulation results, the designed antennas resonated. Analysis and design of circular microstrip patch antenna at 5. Thus the design and simulation of microstrip patch array antenna was successfully designed and analysed using ansoft ansys hfss.
Improving microstrip patch antenna directivity using ebg. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. For the same, the microstrip patch antenna mpa can be. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Design of a rectangular microstrip patch antenna using. The formulas we used to calculate the length and width of patch are shown below. Of course, tradeoffs also occurs, so you must be careful. Antenna is a vital component in wireless application systems. Microstrip patch antenna using hfss linkedin slideshare. You can specify several namevalue pair arguments in any order as name1, value1. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna.
There is a tradeoff between cost versus performance in cho. Design and simulation of ircular microstrip patch antenna. Microstrip patch antenna has a ground plane on the one 1. Microstrip patch antenna mpa is widely implemented in different communication systems. Gain and directivity enhancement of rectangular microstrip patch. Design and simulation of a rectangular eshaped microstrip. Hfss simulation of radiation pattern of patch antenna with. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig.
The return loss of a normal patch antenna designed at the resonant frequency of 2. Eshape microstrip patch antenna, hfss high frequency structure simulator version 11 software, wideband. Design and simulation of ircular microstrip patch antenna ieee. The performance parameters were achieved with return loss 16. The simulation results suggest that the antenna gain is 4. Design simulation and fabrication of microstrip patch antenna 351 for the proposed antenna the feed point location for the first patch is 18. Eferences fig7 3d polar plot of patch array antenna from the figure above, the aceived gain was 12. Udofia1 1deparment of electricalelectronic and computer engineering, university of uyo, uyo, akwa ibom state, nigeria. The main goal of this paper is design a compact microstrip antenna module microstrip patch and fss structure. The second group focused on the design and simulation of patch antennas which are widely used in cell phones today with an emphasis on optimization of a 1. Getting negative gain in designing a rectangular patch antenna in.
This technological trend has focused much effort on the basic concepts. As the microstrip patch antenna consist of a ground a patch and a substrate. The parameters evaluated were gain, beamwidth and return loss. Microstrip patch antenna using hfss ansys duration. Simulation of rectangular microstrip patch antenna open. The results demonstrated that the use of such a design will achieve high directivity, gain, efficiency, and performance. Microstrip patch antenna design and simulation vengalam mahendra reg no.
Substrate, gain, radiation pattern, patch antenna scientific. One of the main disadvantages of mpa which limits its applications is its narrow bandwidth. Patch antenna design using hfss ozen engineering and ansys. Design and simulation of microstrip patch arrayantennafor. The following workshop provide a comprehensive understanding of. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Design and simulation of microstrip patch antenna array. Rectaangular microstrip patch antenna for wireless. First, you need to choose the frequency of operation that the antenna finds the application and the type of substrate. The frequency of operation of the patch antenna of figure 1 is determined by the length l. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. Design and simulation of patch antenna using hfss software. Micro strip patch antenna, radiation pattern, ansoft hfss high frequency structural simulator and rogers rtduroid 5880.
The path gain is found by hfss simulations as well as measurements. Thus as there are two different polarizations for two patches mutual coupling is. First the model of the microstrip patch antenna has to be drawn in hfss. The simulation results show that the gain, directivity and s11 parameter of the antenna with ebg cover are increased at x band 812ghz. Design and simulation of eshape microstrip patch antenna. Design and simulation of rectangular microstrip antenna arrays for improved gain performance akaninyene b. A dual band antenna and a microstrip fed patch antenna, used in. The 3d fss structure antenna is designed on duriod. 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. 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.
The simulation results of the 2x1 rectangular microstrip antenna array showed a return loss of 7. High frequency structure simulation hfss software has been used to simulate and find the optimum design and results. Introduction in recent years there is a need for more compact antennas due to rapid decrease in size of personal communication devices. It has a advantages in simple design, compact in size and easy in fabrication. The fabrication of this patch array antenna will be our targeted work. In hfss 10 i would get this quantity in dbi but in hfss11 i dont understand why it doesnt. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Name is the property name and value is the corresponding value. Design of metamaterial loaded microstrip patch antenna the proposed design is based on rectangle shape.
A monopole antenna and a printed invertedf antenna ifa are considered for placement on the chest. Hi everybody, i run simulation of microstrip antenna in hfss 11. The use of slotted patch reduces the size of antenna and higher. The path gain s 21 between antennas on the chest and at the ear is presented as a function of the position of the antenna on the chest. Microstrip patch antenna design santa clara university. It is inevitable to avoid the study and design of compact antennas that are used in wireless applications. Microstrip patch antenna with slots in ground plane. In this paper i enhanced the bandwidth of mpa by inserting multiple slots in its ground plane. How to find substrate length and width in designing a. We have different types of substrates such as rogers, fr4 epoxy etc. The coordinate axis is taken at the center of the patch or substrate.
As an example, the real and imaginary parts of zin z11 have been shown in the figure below. Design and simulation of rectangular microstrip antenna. It is being observed that the antenna is start working at a frequency of 2. The dimensions of this antenna are 59 mm and 79 mm. Now when that happens, the usual microstrip patch antenna analysis comes in. The design procedure started with the design of a single element rmsa. Shows the geometry of the proposed equal slitted square shape micro strip patch antenna the equally edge slitted square patch antenna simulation results are. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. The performance parameters was achieved with gain 12 db and beamwidth 40 degrees in eplane and 26 degrees in hplane for patch array antenna. Microstrip patch antenna parameters and experimental setup simulation, fabrication and measurement 65 the effective length of the patch is 2.
The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. Although to find the peak gain at resonant frequency or any other frequency, following steps should. Hfss, feed point location, microstrip patch antenna, simulation, return loss. Figure 5 gain for the simple rectangular patch antenna using hfss. Physical and effective lengths of rectangular microstrip.
In our simulations, fr4 epoxy was used as dielectric material with relative permittivity of 4. Substrate,microstrip patch antenna, ground plane, air box and virtual radiation box. Design and simulation of rectangular microstrip antenna arrays for. The patch dimensions were calculated using the transmission line model and. It consists of rectangular substrate and the metal trace layer as shown in fig. Based on the return loss simulation results, the designed antennas. It also has a wide angle of beam in its radiation pattern.
Design and performance evaluation of microstrip antenna. Design and simulation of a rectangular eshaped microstrip patch. I expect to get a gain of antenna at most 10 dbi but when i use results create far fields report rectangular plot etheta db i get about 20 db. S11 return loss, 2d radiation pattern, impedance bandwidth, 3db beamwidth, gain and other antenna parameters. Increasing microstrip patch antenna bandwidth by inserting. Introduction microstrip patch antenna is a key building in wireless communication and global positioning system since it was first. Simulation and results the proposed antenna was simulated by using hfss high. 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.
The center frequency will be approximately given by. How do you identify whether to use lumped port or wave port in a microstrip patch antenna. The major problems of the single element microstrip antennas are low gain and narrow bandwidth which limit their wide applications. Getting negative gain in designing a rectangular patch antenna in hfss. The plot shows the gain value at a resonant frequency. The return loss, radiation pattern and directivity are studied using hfss software. Microstrip patch antenna design linkedin slideshare. Keywords rectangular microstrip antenna arrays, gain, return loss, ansoft hfss version 15. Antenna gain is related to the antenna type, fr4 is lossy material therefore you can not expect large gain from fr4. Here well see the steps to simulate a designed antenna in hfss software. In this paper we have discussed and analyzed the performance of microstrip patch antenna with and without using the meta material structure. Determining input impedance of patch antenna in hfss. The dimensions of antenna can be found in the hfss simulation file.
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. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. The return loss and the various gain plots have been studied along with the radiation patterns. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. The proposed antenna is done on fr4 frame sensitive substrate with dielectric permittivity.
As the name state that there are several cut in rectangle so we take a rectangle with. We present gain characteristics of microstrip patch antennas covered with metamaterial substrate composed of splitring resonators srrs and metallic strip. Rectangular microstrip antenna arrays, gain, return loss, ansoft. Gain and bandwidth optimization of a novel microstrip patch antenna. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. Microstrip patch antenna array design to improve better. The performance of the designed antenna was analyzed in term of bandwidth, gain, return loss. Properties not specified retain their default values. How can i improve the gain of a patch antenna and what is. Then different antenna parameters are plotted and briefly explained. The basics of patch antennas, updated orban microwave.
Keywordsmicrostrip patch antenna, frequency, gain, beamwidth,hfss,wireless communication. This study contains theoretical analysis of a single element microstrip patch antenna model by using high frequency structural simulator hfss simulation software to support xband applications. We used hfss high frequency structured simulator software for simulation of antenna and to find out the results. Design and simulation of rectangular microstrip patch. The suggested e shaped microstrip patch antenna is fed. The antenna was designed and simulated using hfss software. Figure 4 input impedance of simple microstrip patch antenna using hfss. Thus the design and simulation of microstrip rectangular patch antenna was successfully designed and analyzed using ansoft hfss. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. Microstrip antenna arrays, gain, return loss, ansoft hfss version 15. 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.
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