Design of uwb antennas with single or multi notch bands are also considered. 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 antenna in cst microwave studio this is the second part of the inset fed patch antenna design tutorial using cst microwave studio. Microstrip patch antennas have been widely used in a various useful applications because of their low weight and low profile, conformability, easy and cheap realization. Dual ushape microstrip patch antenna design for wimax applications. Microstrip antenna design with cst my antenna simulations.
The design specifications for the antenna are given as below. In the next video, i will show how i have calculated. Design and implementation of patch antenna 8 figure 2. The proposed microstrip patch antenna is compact, miniature,coste. This work is mainly focused on increasing the gain as well as reducing the size of the unidirectional patch antenna. Recent applications such as, cognitive radio, reconfigurable antennas, wearable antennas, and flexible antennas are presented. Microstrip square patch antenna using cst by shamsur. The following image shows a microstrip or patch antenna. Design simulation and fabrication of microstrip patch antenna. A simple design of broadband rectangular microstrip patch. Patch antenna design university of the witwatersrand. Bandwidth improvement for compact microstrip patch antenna. For a square patch we calculate the following approximation for.
Microstrip patch antenna calculator electrical engineering. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Analysis and design of circular microstrip patch antenna at 5. The permittivity should be low for large bandwidth but high to make the patch antenna smaller. Proposed metamaterial antenna reduces the size of the mic rostrip patch antenna substantially and increases the directivity. Miniaturization of microstrip patch antenna using metamaterial. International journal of science, engineering and technology research 2. Full writeup for 3rd edition is given directivity of microstrip patches including finite ground planes. Scale 61 estimated directivity of square patch on a large ground plane for either linearly or circularly polarized antenna. Stacked patch design at 2 ghz the focus of this paper is to design a recon. Introduction the concept of microstrip antennas has received attention since the development of printed circuit technology, photolithographic techniques, and low loss tangent substrates. We present a systematic approach for producing microstrip antennas using the stateoftheartinkjet printing technique. To design our stacked microstrip patch antenna at around 2 ghz. Applications include gps, usaf sgls, nasa sn including.
Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Design a rectangular microstrip antenna using a substrate rtduroid. The center frequency will be approximately given by. Design and simulation of modified rectangular microstrip patch antenna are done. Design parameters and tradeoffs are presented for microstrip antennas. It is a popular printed resonant antenna for narrowband microwave wireless links that require semihemispherical coverage. 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. Gui to calculate parameters and plot patterns of microstrip patch. But illustrates sizes and importance of good antenna design why microstrip antennas.
Dec 04, 2012 uhf patch antennas for space antenna development corporation, inc. Design of microstrip patch antenna the ieee maker project. Antennas using patches as constitutive elements in an array are also possible. It also has a wide angle of beam in its radiation pattern. Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. Design simulation and fabrication of microstrip patch antenna 349 the proposed antenna is designed in lte band ii for 4g mimo communication. Design and analysis of compact u slot microstrip patch. To design a microstrip patch antenna with the microstrip feed line insetfed work on for wifi 2. Sonia goyal2 1, 2department of electronics and communication engineering punjabi university patiala, india abstract. Readers can visit the first part or the third part below. The radiation pattern of microstrip or patch antenna is.
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. Scale 62 estimated directivity of circular patch on a large ground plane for either linearly or circularly polarized antenna. The dimensions of the patch are corresponds to the resonant frequency of antenna. Applied sciences ciicap, autonomous university of morelos state uaem, 62209, av. However, microstrip patch antennas are having narrow bandwidth and. These antennas are capable of supporting high data rates to at least 10 watts of transmittedpower. This tool is designed to calculate the correct dimensions of a microstrip patch antenna if the operating frequency and the dielectric constant of the material used, is known. Firstly design of a smpa antenna consist of a patch fed by a microstrip line and a staced patch array 2. Design and analysis of microstrip antenna arrays in composite.
In this project, i have designed and simulated microstrip patch antenna working in 2. Advancement in microstrip antennas with recent applications. Click here to go to our page on circular patch antennas new for september 2018. Often microstrip antennas are also referred to as patch antennas.
Abdur rahman university, chennai, india abstract an h shaped dual band microstrip patch antenna array is designed, simulated and fabricated for global. The antenna is operating in lte band ii having frequencies of 1850 mhz1910 mhz which is. Design of microstrip patch antenna mpa in cst mws full hd duration. As an example, the size must increase to have it work at lower frequencies. 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. In this antenna, the metal ground plane is modified by two slot confined with the width of rectangular patch. Patch antenna design for simulation before inset feed. A microstrip patch antenna is one of the most popular microwave antennas. A microstrip patch antenna mpa consists of a conducting patch of any planar or nonplanar geometry on one side of a dielectric substrate with a ground plane on other side. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces.
If the dielectric constant of the material is not known, you can choose to put in the velocity of. There are few basic things that must be known before designing an antenna in general such as. In this section, we present the design issues of fig 1. The proposed metamaterial structu re along with microstrip patch antenna exhibits 32. The most common type of microstrip antenna is the patch antenna. Then to obtain a dual mode with a rectangular microstrip patch antenna resonant frequency of 2. A systematic approach for the design, fabrication, and. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Details of the proposed antenna design, realization and measured results are presented and discussed view.
Microstrip patch antenna array design to improve better gains. To design for 5g, engineers can reduce the size of antennas with unique microstrip patch antenna prototypes on pcbs with a unique form. Microstrip square patch antenna using cst by shamsur rahman akash duration. To determine the width w, the microstrip patch antenna calculator was used to provide an initial. The single mode patch antenna is considered the basic patch of the antenna design which has a resonant frequency of 900mhz. Gain enhancement of a microstrip patch antenna using a. An initial antenna design based on the conventional square patch geometry is adopted as a benchmark to characterize the entire approach. The basic structure of the microstrip patch antenna is shown in figure 1. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant antenna dimensions and antenna performance. It consists of area of metallization supported above a ground plane by a thin dielectric substrate and fed against the ground at an appropriate location. The basics of patch antennas, updated orban microwave. Antdevco employees have designed andmanufactured spacecraft microstrip patch antennas for many small spacecraft programs.
In this work, the simulation tool of ie3d is used to study the performance and gain of the rectangular microstrip patch antenna. Rectangular patch antennas are notoriously narrowband. Patch antenna calculator file exchange matlab central. For the construction of the antennas it has been used microstrip antenna technology, because it has been demonstrated that it is suitable for these applications due to their many advantages such as low profile and weight, easy integration with printed circuits. In this part of the tutorial, we will use the dimension calculated in the first part to design the patch antenna in cst microwave studio.
To do this we determined it would be best to use inset feed matching. The directivity of a microstrip patch can be found from the cavity models of patches and integrated over the hemisphere to compute directivity. Alakmajumder design of an hshaped microstrip patch antenna for bluetooth applications international journal of. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. Microstrip antenna design with cst in general microstrip patch antennas are also known as printed antennas. 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. Secondly, the microstrip antenna was designed to operate at 100 mhz, but it is resonant at approximately 96 mhz. Design and simulation microstrip patch antenna using cst. Design of square patch antenna with a notch on fr4 substrate. Stepped cut at four corner technique is used in order to increase the bandwidth and gain of the antenna. The patch antenna is a good place to start for antenna fundamentals with more coming. As discussed earlier, the design issues include antenna dimensions, feeding techniques and various polarization mechanisms. For finalized patch antenna design we needed to implement a matching network that would allow for a match to a 50. This shift is due to fringing fields around the antenna, which makes the patch seem longer.
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 performance issues of microstrip antennas. The microstrip patch antenna model used for the numerical simulation in ansoft hfss is shown in fig. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. Pasternacks microstrip patch antenna calculator determines the length and width in millimeters of a rectangular patch antenna. Stacked microstrip patch antenna design for ism band applications. A reconfigurable stacked microstrip patch antenna for. Bandwidth improvement for compact microstrip patch. Microstrip and printed antenna design electromagnetic. Patch antenna design gareth louis shaw a dissertation submitted to the faculty of engineering and the built environment, university of the witwatersrand, johannesburg, in ful. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface.
Finally, the broadband microstrip patch antenna has been successfully designed and modeled having a center frequency of 1. A low profile, unidirectional, dual layer, and narrow bandwidth microstrip patch antenna is designed to resonate at 2. Microstrip and printed antenna design electromagnetic waves. When the antenna is excited, the waves generated within the dielectric undergo reflections and the energyis radiated from the edges of the metal patch,which is very low. Design of rectangular microstrip patch antenna rmpa using stepped cut at four corners for broadbandmultiband application is presented in this paper. It consists of a patch array antenna designed to operate from 5. How to design a filter on microstrip patch antennas. The book audience will be comprised of electrical and computer engineers and other scientists well versed in microstrip antenna technology. In standard microstrip antennas, the efficiency and bandwidth can be extended by increasing the height of the substrate. In order to design a compact microstrip patch antenna, a substrate with a higher dielectric constant. A dual band antenna and a microstrip fed patch antenna, used in the communication lab.
Microstrip patch antenna directivity, antenna design. Least squares approximations to table 61 can be computed. Microstrip patch antenna design santa clara university. The proposed antenna is suitable for specific applications, such as security and military systems, which require a narrow bandwidth and a small antenna size. Design and improvement of microstrip patch antenna. The frequency of operation of the patch antenna of figure 1 is determined by the length l. Microstrip antenna, array antenna, composite laminated substrate 1. They are the original type of microstrip antenna described by howell in 1972. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. Siddaiah procedia computer science 85 2016 401 a 409 fig. Design of a rectangular microstrip patch antenna using inset. In this project, i have shown how i have calculated design parameters of 2.
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