Better to simulate your antenna design in current version of hfss and design the. The patch feed is offset from the center of the patch in the vertical long dimension. In this work we present a design of parasitically coupled wideband patch antenna operating at a resonant frequency of 1. Design, simulation, and optimization of an irregularly shaped.
During the simulation process of dual band patch antenna various parameters are considered for example length ls and width ws of substrate, shape of slots and their dimesions, feeding point, dimensions of patch in order to give desired. Probe feed patch antenna4 probe feed patch antenna als tab. The ground plan has the same dimensions as the antenna. However, for complicated geometery, you may find the accuracy od hfss and cst are much better than ie3d. 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. The 2x2 patch array antenna is simulated using ansoft hfss. Miniaturization of the antennas, limited channel bandwidth, reduced design time, and antenna interaction with other components present sti.
This tells hfss at what boundary to compute the farfield parameters radiation pattern, total radiated power, etc. The dielectric substrate used for the suggested antenna is an fr4 substrate with. Oct 18, 2016 thus for regular shapes like rectangular patch antenna you may obtain slight difference between hfss and zeland ie3d. Analysis and design of circular microstrip patch antenna at 5. Although to find the peak gain at resonant frequency or any other frequency, following steps should. Shows the design model for circular patch yagi antenna a.
The performance parameters were achieved with return loss 16. 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. In addition to off body applications, on body mode is also necessary for communication between sensors devices located on or within the patients body 6. Rectangular patch antenna first proposed design for wearable antenna is circular yagi patch antenna. The micro strip patch antenna consists from a ground, a substrate, a patch and a feed line. Design and simulation by hfss of a slim uwb pifa antenna. The center frequency will be approximately given by. In this case the result of zeland ie3d is the more accurate result. Rectaangular microstrip patch antenna for wireless. Design of wearable patch antenna for wireless body area networks. This video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. Ebg based microstrip patch antenna for brain tumor. 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. Ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. Simulation of antenna in cst microwave modeling antennas. The frequency of operation of the patch antenna of figure 1 is determined by the length l.
Siddaiah procedia computer science 85 2016 401 a 409 fig. Calculated return loss for the flexible patch antenna from hfss simulation. Analysis and design of rectangular microstrip patch antenna. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. Design model fig7 rectangular yagi patch antenna b. The dimensions of antenna can be found in the hfss simulation file. Figure 2 from design a square microstrip patch antenna for. The simulation gave results good enough to satisfy our requirements to fabricate it on hardware which can be used wherever needed. The following workshop provide a comprehensive understanding of. Abstract a micro strip patch antenna for wlan is designed. From simulation result of circular and rectangular yagi patch antenna it is clear that the. Design quarter wavelength feed patch antenna and recessed patch antenna to meet project specifications. Also for this antenna a sufficient bandwidth is introduced via the microstrip feed line at the desired resonant frequency of 2.
The proposed antenna is having the return loss of 12. Design and simulation of microstrip patch antenna for onbody communication using different feeding techniques article pdf available september 20 with 1,038 reads how we measure reads. This paper presents design and simulation of a square micro strip patch antenna at 2. Introduction to hpc and multiprocessor simulation 6. Simulation of microstrip patch antenna for detection of abnormal tissues in thyroid gland amruta s a1, anubhuti dixit2, meril sanura pinto3 1,2,3department of electronics and communication engineering ramaiah institute of technology, bangalore, karnataka, india abstract an inset feed patch antenna is designed for this application. A rectangular patch design equations are introduced and validated by well simulated results. 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. The proposed antenna is designed and simulated using high frequency structure simulator hfss version software tool. The simulated radiation pattern for figure 3 antenna is 4. The resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. Ansys hfss with hpc for large finite antenna array design. For planar antenna designs such as patch or meander line pcb antennas, hfss provides a 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.
Radiation effects of wearable antenna in human body tissues. Antenna integration is a complex multiscale and multidomain problem. This paperdeals with the problem of size and performance of antenna. Click the ok button create substrate to create the substrate. Microstrip patch antenna design and simulation vengalam mahendra reg no. Simulate and analyze linear end fire array of patch antenna design. Radiation pattern the patchs radiation at the fringing fields results in a certain far field radiation pattern. The design of the single rectangular patch in hfss. The prosposed antenna on hfss have given the results as follows. Patch antenna design using hfss this workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss.
Patch antenna in body remcom electromagnetic simulation. Ansys hfss is the industry leading 3d electromagnetic em simulation tool for high frequency and high speed electronic components including antenna design and placement. The designed msa has been simulated on hfss simulation software. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. After design, the patch was simulated in hfss to get the directivity, the gain curves along with the 3d visuals of the far field radiation and the 3d view of the designed antenna patch. Design and simulation of single band rectangular microstrip.
The square micro strip patch antenna was analyzed using ansoftansys hfss. The simulation of the proposed antenna is performed employing the highfrequency structure simulator hfss. Simulation and design of wearable antenna for telemedicine. Patch antenna dimensions in mm specification measurement. Initial calculations are for the patch antenna in free space. Design and simulation of microstrip patch antenna for onbody. Eferences fig7 3d polar plot of patch array antenna from the figure above, the aceived gain was 12. These antenna simulation methods and tools can be used depending upon the kind of problem you want to solve. Incorporation of circular ebg on the antenna ground plane provides an improvement of 22. Feb 11, 2015 this video covers the implementation of a 10 ghz rectangular patch antenna, with an inset feed in ansys hfss. After the hfss simulation confirmed a resonance of 2.
Apr 19, 2016 the resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. The parameters evaluated were gain, beamwidth and return loss. As an example, the real and imaginary parts of zin z11 have been shown in the figure below. The designed antenna is suitable for mobile communication, cell phone antennas etc. Radio frequency rf, high frequency structural simulator hfss, adhesive bandage like antenna, rt duroid 5880 substrate. The process started with the design of a rectangular patch antenna with the traditional transmission line and cavity methods, followed by a simulation with the finitedifference timedomain method fdtd in conjunction with a genetic algorithm. Following table2 gives comparison of results of rectangular and circular patch antenna. Introduction an antenna is one of the essentialparts for microwave communication. The laalo 3 was chosen as a substrate material for the designed patch antenna with a dielectric constant of 23.
Therefore a reliable low profile antenna is required for best performance. Figure 2 illustrates the adaptive meshing process for a patch antenna operating at 11. Determining input impedance of patch antenna in hfss. The geometrical parameters of the proposed antenna are calculated using microstrip equations discussed in section iv. The suggested antenna is a microstrip patch antenna, therefore its design in hfss needs some geometrical and simulation parameters. Design of a rectangular microstrip patch antenna using inset. In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for airtoground communication atg applications. First, antenna design limitations and challenges for wireless body area networking. Figure 2 from design a square microstrip patch antenna for s. This radiation pattern shows that the antenna radiates more power in a certain direction than in other direction 6. Simulation and design of wearable antenna for telemedicine application.
A dual band antenna and a microstrip fed patch antenna, used in the communication lab. Ansys quick start training for hfss simutech group. It includes instructions to create, simulate, and analyze a probe feed patch antenna. Patch antenna design using hfss ozen engineering and ansys. In both simulated and tested results, the desired broadside pattern, and. In addition, we have also extended our 3d component library with human body models to simulation the effects of skin and the human body on wearable device performance. The health parameters that may be transmitted wirelessly to remote stations off body mode in telemedicine systems. Thus for regular shapes like rectangular patch antenna you may obtain slight difference between hfss and zeland ie3d. The operation frequency of patch antenna was designed at 2. Microstrip patch antenna array design to improve better gains. First the model of the microstrip patch antenna has to be drawn in hfss. The patch is 2 mm thick with the ground plane and patch radiator the same dimensions.
Onbody adhesive microstrip antenna for wearable application. Analysis and design of rectangular microstrip patch. The patch is placed at a height h equal to 2 mm from the ground plan. Find the input impedance of patch antenna in hfss 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. Microstrip patch antenna using hfss linkedin slideshare. Ijiset international journal of innovative science. The use of slotted patch reduces the size of antenna and higher. In higher versions inbuilt human body models are available for simulation. In the search by name field, type rogers rt duroid 5880 tm. The return loss and the various gain plots have been studied along with the radiation patterns.
Pdf design of wearable patch antenna for wireless body. Sep 01, 2016 this slide describes design and simulation about the micro strip patch antenna using hfss software. Hfss complete simulation setup for antennas youtube. However, for complicated geometery, you may find the accuracy od. However, the major simulation parameter of an antenna. The basic theory and design are analyzed, and simulation done by using hfss to optimize the antennas properties. Hfss technology offers hfss finite element method fem, hfss integralequation ie, hfss physical optics po, and hfss transient. Simulation of microstrip patch antenna for detection of.
We used hfss high frequency structured simulator software for simulation of antenna and to find out the results. The plot shows the gain value at a resonant frequency. Design of wearable patch antenna for wireless body area. The simulation results obtained from cst are compared to those obtained from hfss to validate the design. Design, simulation, and optimization of an irregularly. Microstrip patch antenna using hfss ansys duration. Since it help both transmitting and receiving the information. Below is an example of the 2d slices of a patch antenna for lhcp and rhcp directivity. How to insert the human body tissue models in hfss for simulating. Pdf design and simulation of microstrip patch antenna. In this paper, a compact broadband antenna operated at 2. Thus the design and simulation of microstrip rectangular patch antenna was successfully designed and analyzed using ansoft hfss. 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. The name hfss stands for high frequency structure simulator.
The dimensions of patch antenna were calculated based on the three essential parameters. Dec 29, 2016 the patch is 2 mm thick with the ground plane and patch radiator the same dimensions. Microstrip patch antenna array design to improve better. Solved find the input impedance of patch antenna in hfss. The microstrip line model method is used and been simulated by using hfss software.
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