The suggested antenna is a microstrip patch antenna, therefore its design in hfss needs some geometrical and simulation parameters. In the second part of this antenna basics series, you will learn more about the physics of how antennas work. The geometrical parameters of the proposed antenna are calculated using microstrip equations discussed in section iv. The performance parameters were achieved with return loss 16.
Circular microstrip patch antenna using coaxial feed for s. In this video, im giving a little overview on how to use hfss to design a microstrip patch antenna. This paper proposes a small sized, lowcost multiband monopole antenna which can cover the wimax bands and cband. Dec 20, 2014 this paper also presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array, in kuband.
A single patch antenna on fr4 can produce gain of 35dbi. The coordinate axis is taken at the center of the patch or substrate. The design procedure started with the design of a single element rmsa. The return loss, radiation pattern and 3d gain are evaluated in our project. Analysis and design of circular microstrip patch antenna at 5. In hfss 10 i would get this quantity in dbi but in hfss11 i dont understand why it doesnt. We design a patch antenna with required dimensions and implement that model or simulated in hfss. Design and performance analysis of rectangular micro strip. The major problems of the single element microstrip antennas are low gain and narrow bandwidth which limit their wide applications. Hi everybody, i run simulation of microstrip antenna in hfss 11. We used hfss high frequency structured simulator software for simulation of antenna and to find out the results. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. As a flat antenna, arrays can have a large aperture, with corresponding high gain, but having low volume and weight. Rectangular microstrip antenna arrays, gain, return loss, ansoft.
Hfss tutorial 1 microstrip patch antenna with coaxial. The simulated reflection coefficient of this antenna is shown below in figure 5. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. In this paper, a patch antenna with a pc substrate is designed and analyzed using the software package high frequency structure simulator hfss. But the biggest disadvantages is that it has very narrow bandwidth and low gain. Im sure im doing something wrong but im not that familiar with hfss and their support line is not responding. The dimensions of antenna can be found in the hfss simulation file. Design and performance evaluation of microstrip antenna for. Sep 01, 2016 this slide describes design and simulation about the micro strip patch antenna using hfss software.
The simulation has been performed by using hfss, which is a finite element. The suggested e shaped microstrip patch antenna is fed. 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. Microstrip patch antenna construction and design aperture. Hfss are used in our project for the simulation and design calculation of microstrip patch antennas. 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. Lowcost dielectric substrate for designing low profile. This paper also presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array, in kuband. Microstrip patch antennas 1,2 are excellent candidates for low pro. Eferences fig7 3d polar plot of patch array antenna from the figure above, the aceived gain was 12. Properties of a basic microstrip patch a microstrip or patch antenna is a low profile antenna that has a number of advantages over other antennas.
Effects of using different substrates on the performance of. They can be easily fabricable and can integrate with other microstrip elements in monolithic applications. The main goal of this work is to study low profile with compact size superstrate. The gain of antenna is not actually the gain of the antenna itself, but its always a comparison of gain towards another antenna. Totay ill show you how to evaluate the the value of microstips feed antenna in hfss software where a bluetooth frequency is used and slot in antenna with array for projects b. This paper presents the design and simulation of rectangular microstrip antenna rmsa arrays for improved gain performance over the single element rectangular microstrip antenna.
Antenna gain is related to the antenna type, fr4 is lossy material therefore you can not expect large gain from fr4. 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. Ec 4th year shivanshu awasthi ec 4th year sarvesh kumar nishad ec 4th year novman asif ec 4th year. The unique property of the microstrip patch antenna is its twodimensional structure. The finite element method based, full wave electromagnetic simulator hfss is efficiently. The purpose of this tutorial is to further discuss the microstrip patch antenna and to present the experimental results. Design and performance evaluation of microstrip antenna. The proposed antenna yielded a gain greater than 7. Design and analysis of microsrtip square patch antenna under the kind guidance of. This paper presents design and simulation of a rectangular micro strip patch array antenna at 2.
Design of a rectangular microstrip patch antenna using inset. First the model of the microstrip patch antenna has to be drawn in hfss. Low dielectric constant substrates are essential for getting maximum. The microstrip patch antennas are associated with several advantages of being low profile, versatile, conformal and low cost devices.
Simulation and results the proposed antenna configuration has been simulated using 3d cad software hfss. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Wideband aperture coupled patch array antennas high gain. Hfss stands for high frequency structural simulator. Ansoft high frequency structure simulator hfss software. But i am getting the negative gains for lowfrequency band 3ghz to 4 ghz. This paper proposes a small sized, low cost multiband monopole antenna which can cover the wimax bands and cband. Design and simulation of rectangular microstrip 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, elliptical or some other common shape.
Hfsss microstrip patch antenna design part1basics of antenna design using hfss software duration. Microstrips patch antenna with slot array using hfss youtube. 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. 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. The design is analysed by finite element method fem based hfss simulator software 14.
In particular, the dimensions of the patch are given along with the feed network. It is one of the several commercial tools used for antenna design. 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. Shows the geometry of the proposed four element square micro strip antenna in hfss four element square patch array antenna design simulations results are as follows. This slide describes design and simulation about the micro strip patch antenna using hfss software. Design of wearable patch antenna for wireless body area. Structurally robust and light weight a microstrip antenna msa in its simplest form consists of a radiating patch on one side of a dielectric substrate and a ground plane on the other side. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. A triangular patch antenna for uhf band with microstrip feed. Design of probe feed microstrip patch antenna in s band. This paper presents that, the detail steps of designing and simulating the rectangular patch antenna and rectangular patch antenna array in kuband. Improving the gain of a patch antenna i modeled a symmetricallyslotted patch antenna in hfss for european uhf frequency. Almutawa a thesis submitted in partial fulfillment of the requirements for the degree of master of science in electrical engineering department of electrical engineering college of engineering university of south florida.
Wideband aperture coupled patch array antennas high. The design procedure with design equation is as follows. The performance of the single microstrip patch antenna in terms of low gain is improved in this paper by implementation of single patch antenna in array configurations. Radiation patterns, permittivity, directivity, and gain october 12, 2016 by mark hughes antennas allow information to be transferred to distant locations. The microstrip patch antenna consists of a pair of electrically conducting.
The rectangular micro strip patch antenna was analysed using ansofansys hfss and also made a comparision among the. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Micro strip patch antennas are widely used in compact, conformal and low cost wireless applications due to its advantages over conventional antenna. Design of microstrip patch antenna the ieee maker project. Now we move on to the next part that is patch antenna. Sonia goyal2 1, 2department of electronics and communication engineering punjabi university patiala, india abstract. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. A triangular patch antenna for uhf band with microstrip. Mar 07, 2016 hfss microstrip patch antenna analysis and design 1. It consists of rectangular substrate and the metal trace layer as shown in fig. Microstrip antenna has various applications because it have various advantages as to conventional antenna. The antenna was designed with the aid of commercial electromagnetic em simulation softwarenamely, the high frequency structure simulator hfss from ansoft. Iin the fr4 is specially for the low frequencis applications and for the higher frequencies its loss becomes dominant. Design and analysis of 1x2 circular patch antenna array for.
Hello i am designing a rectangular patch antenna at 400mhz. Design of a rectangular patch antenna with a photonic. The gain of this antenna is shown below in figure 6. This patch antenna is designed on sustrate of rt duroid having permitivty of 2. As the microstrip patch antenna consist of a ground a patch and a substrate. This design targeted an operating frequency range of 16.
The new fss structure is then applied as a superstrate to a conventional microstrip patch antenna. In this paper, the design frequency and the thickness of the substrate were kept constant, while different substrate materials were used in the design of an inset fed rectangular patch antenna in other to study the effect of these substrate materials on the gain and radiation pattern of the. Microstrip antenna arrays for improved gain performance. Feb 26, 2017 in this video, im giving a little overview on how to use hfss to design a microstrip patch antenna. The fundamentals of patch antenna design and performance.
The proposed antenna structure with its dimesions and the results obtained are discused in the remaining part of this study. Logperiodic microstrip patch antenna miniaturization using artificial magnetic conductor surfaces by ahmad t. The basics of patch antennas, updated orban microwave. Multiband microstrip patch antenna for wireless communication. The antenna parameters like return loss, gain and impedance are calculated using hfss software. Patch antenna consist of a ground substrate and a patch on top of it see fig. The results show that the antenna with a pc substrate has a lower return loss, a higher gain and a lower side lobe level, compared with the conventional antenna. Msas are also known as patch antennas or printed ante. The proposed e shaped microstrip patch antenna is simulated via high frequency structure simulator hfss software and the fr4 substrate is used as the dielectric material having a loss tangent of 0. We design a patch antenna with required dimensions and implement that model or. The antenna possesses a good return loss but a gain of 1. I modeled a symmetricallyslotted patch antenna in hfss for european uhf. As an example, the real and imaginary parts of zin z11 have been shown in the figure below. Optimization of microstrip patch array antenna for gain.
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 of wearable patch antenna for wireless body area networks saqib hussain, saima hafeez, sajjad ali memon, nasrullah pirzada. Design high directive rectangular microstrip patch antenna with. Nfss is presented, characterized and employed for the gain enhancement of a microstrip antenna operating at 5. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. The proposed antenna was simulated by using hfss high frequency structure simulator as shown in figure 4. The antenna is designed and all the results are ploted by using simulating softwere hfss. Improving the gain of a patch antenna researchgate. Wideband eshaped microstrip antenna for wireless sensor networks. Design of a rectangular patch antenna with a photonic crystal. The 2x2 patch array antenna is simulated using ansoft hfss.
In this work, the simulation tool of ie3d is used to study the performance and gain of the rectangular microstrip patch antenna. Apr 19, 2016 the resulting plots for z11 in hfss will show us the correct input impedance of patch antenna. So the db you get from your hfss simulation is actually the real value of the antenna gain and its auto compared to a isotropic antenna so you can assume its equivalent to a dbi form. Determining input impedance of patch antenna in hfss. The parameters evaluated were gain, beamwidth and return loss. Microstrip patch antenna array design to improve better gains. Furthermore, single microstrip patch antennas are not suitable for applications which need high gain, beam scanning and large bandwidth. Design and simulation of rectangular microstrip antenna arrays for. Simulate and analyze a rectangular patch antenna using ansys hfss, including return loss and 3d radiation fields. Increasing microstrip patch antenna bandwidth by inserting. Design rectangular patch antenna using hfss part 1 duration. Microstrip patch antenna array design to improve better.
Design of wearable patch antenna for wireless body area networks. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. This technological trend has focused much effort on the basic concepts. I was wondering if you can help out bc im getting really low gain on 1x4 array like 0. Different dielectric materials affect the electrical characteristics of a patch antenna differently. Effects of using different substrates on the performance. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. Analysis and design of microstrip patch antenna for s. Microstrip patch antenna using hfss linkedin slideshare.
The microstrip patch antennas are associated with several advantages of being low profile, versatile, conformal and lowcost devices. Rectangular patch antenna array design at ghz frequency. How can i improve the gain of a patch antenna and what is. Gain of a triangular patch antenna with u slot 0 0. Low cost dielectric substrate for designing low profile. For australian and new zealand students, tutorials located here.
The substrate of the antenna is chosen to be fr4 epoxy substrate which has a thickness of 1. The suggested e shaped microstrip patch antenna is fed by the input impedance z o of 50 iv. Logperiodic microstrip patch antenna miniaturization using. Reconfigurable high gain split ring resonator microstrip patch. In the ansoft hfss tutorial 1, a microstrip patch antenna was simulated and the numerical return loss and radiation patterns were shown. Rr radiation restance rddisspation resistance rr is calculated by. Microstrip patch antenna design using hfss youtube. Simulation results indicate that the maximum antenna radiation efficiency is approximately 80. Bw and gain, both will increase or 5 use lowloss substrate or 6 increase the. Hfss which is used for simulating microwave passive components. Rectaangular microstrip patch antenna for wireless. Microstrip patch antenna design linkedin slideshare.
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