A superstrate patch antenna for 60ghz applications duixian liu, johannes akkermans and brian floyd t. Design of multidielectric layers microstrip patch antenna international journal of microwave and optical technology ijmot, vol. The patch is engraved on fr 4 substrate having a thickness of 1. Microstrip patch antenna for simultaneous temperature. The microstrip patch antenna mpa placed on the top pyralux substrate layer is excited by means of a longitudinal. The design of the mushroomlike ebg structure was based on the highimpedance. The schematic of the proposed antenna is shown in fig. The design of a novel balancedfed aperturecoupled patch antenna for millimeterwave applications is discussed.
Basic patch antenna design although there are many variations on patch antenna design, the basic configuration is shown in figure 1, where l is then length relative to the feedpoint and w is the width. The antenna is used to design for use with a low cost imaging radar microsar. Study of a microstrip antenna with and without superstrate for. Metamaterial enhances microstrip antenna gain microwaves. Introduction a microstrip antenna consists of a radiating patch on one side of a dielectric substrate, which has a ground plane on the other side. The electrical properties of silicon rubber sealant are experimentally found out and its effect of using as superstrate on coaxial fed microstrip patch antenna using. In order to design a microstrip patch antenna at first the designer is to select the substrate material and its thickness. The complete design of acmpa and fss superstrate is discussed below. Design equations the following are the equations formulated for a layer of patch with superstrate 15. Antenna 1 indicates the slot antenna where the superstrate and parasitic patches are both eliminated from the proposed design. A fss structure of square patches proposed by is shown in figure 5a, and the distance between the fss superstrate and the microstrip antenna ground plane is about 15 mm. Doc design high directive rectangular microstrip patch antenna with superstrate darshan kakkar academia. The design is compared for two, three, and fourring split ring resonator loading. The proposed antenna is excited by using the edge, inset, probe and aperture feeding methods.
Metamaterial superstrate microstrip patch antenna for 5g. The cma is used for the modelling, analysis and optimization of the proposed antenna to examine the underlying modal behaviour of the mtm unit cell and to guide mode excitation. The new antenna device combines the wideband characteristic of the aperture coupled antenna and the desirable characteristics of the fss structure. High gain superstrate loaded membrane antenna based on. Broadband compact microstrip patch antenna design loaded by.
Gain enhancement of microstrip patch antenna using dielectric. The microstrip patch antenna using a dielectric superstrate for having high gain and wide bandwidth, includes. This allows independent optimization of both the microstrip. In this research, the superstrate layer was thus redesigned using the transmission matrix in. Broadband compact microstrip patch antenna design 5 c s.
This paper describes an antenna design for wideband high directivity operation using an aperture coupled patch antenna as the feeding source and an fss frequency selective surface based structure as the superstrate for high directivity. This superstrate antenna gives a very high estimated. The main objective of this work is to enhance the gain and directivity of the metamaterial microstrip patch antenna used for wireless point to point communication applications like dedicated short range communications dsrc. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. A wideband and high gain cavity resonant antenna through utilizing a compact wideband aperture coupled mpa as radiator and fss superstrate has been designed. This is essentially an aperturecoupled patch antenna with two apertures slots and a balanced feed. Rectangular patch antenna, circular patch antenna, square patch antenna, dielectric superstrate radome, resonate frequency, gain etc. The antenna composed of an array having 8 x 2 patches could achieve the. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to control the polarization, or for convenient layout. A new metasurface superstrate structure for antenna.
The membrane antenna is designed using ansys hfss and consists of 6 layers. Design high directive rectangular microstrip patch antenna with. Somasekhar rao 4 1department of electronics and communication, mgit,hyderabad, ap, india 2 department of electronics and communication, vif, hyderabad, ap, india 3department of electronics and communication, biet,hyderabad, ap, india. Microstrip patch antenna for simultaneous temperature sensing. A high directivity broadband aperture coupled patch. Though number of analytical methods has been suggested for analysis of such a. Design of multidielectric layer microstrip antenna and superstrate effects the multilayer microstrip antenna structure involves addition of a superstrate layer over the substrate. Keywords microstrip patch antenna, superstrate layer, egb structure. Size reduction and performance enhancement of pi shaped. The antenna under investigation the square patch antenna dimensions are wl2. Controlling radiation pattern of patch antenna using transformation.
Design of metamaterialloaded rectangular patch antenna. In the modern era, metamaterials are gaining enormous interest of researchers due to their peculiar electromagnetic properties. A rectangular patch antenna rpa covered with a superstrate, also known as a loaded rpa, is illustrated in figure 1. Electronically reconfigurable superstrate eres antenna. Antenna 2 means the antenna design where only the metallic superstrate is excluded, while antenna 3 is the proposed design. Proposed patch antenna design the performance parameters of the patch antenna with superstrate material are degraded slightly i.
Investigation on wideband eshaped microstrip patch antenna with. The proposed design involves the superstrate layer concept, proposed originally to increase gain of microstrip patch antennas. It is found that the gain measured of a single antenna with superstrate increases nearly 9 db at 60 ghz over its basic patch antenna. Gain enhancement for microstrip reflectarray using.
Design of microstrip patch antenna with superstrate for. The loading and bending of the dielectric superstrate a. In this proposed work, a novel square minkowski fractalshaped metamaterial mtm array is designed as a superstrate of rectangular patch antenna with defected ground structure. Effect of superstrate on a cylindrical microstrip antenna. Multiple split ring resonator loaded design in this section, we are going to discuss the modeling of split ring resonator metamaterial loading in superstrate and substrate of microstrip patch antenna design. A microstrip patch array antenna has been designed for 5. Dielectric layer to match antenna superstrate assembly at design frequency. This completely planar antenna has a balanced feed which electromagnetically. Design of high gain, wideband microstrip resonant cavity.
The radiating patch and the feed lines are usually photo etched on the dielectric substrate. Us6946995b2 microstrip patch antenna and array antenna. In this article, a dual band microstrip antenna design based on characteristic mode analysis cma using mtm superstrate is proposed for 5g wireless communication. The photonic crystal is used as a superstrate which has a thickness of 1. Initially the ground plane is placed below the substrate. The modified split ring resonator msrr is used in design. So to improve the performance, there was a need to modify the design and optimize patch antenna for high.
Dielectric superstrate thickness variationon the characteristics of circular patch antenna v. When a microstrip antenna is covered with a superstrate dielectric layer, its properties like resonance frequency, gain and bandwidth are changed which. The metamaterial loading and its results are discussed in section 3. Watson research center, ibm, yorktown heights, ny 10598, usa email protected email protected abstract this paper presents a balancedfed aperturecoupled patch antenna suitable for broadband millimeterwave communications. A high directivity broadband aperture coupled patch antenna. Microstrip antenna or patch antenna basics in antenna and. The dimensions of the ground plane is same as that of the substrate.
Another important observation is made for multiple split ring resonator loading in superstrate and substrate of microstrip patch antenna. Silicone rubber superstrate loaded patch antenna design using. Under the above design parameters, the radiated fields of the patch. Design and application of a metamaterial superstrate on a. Moreover, used in an fpc antenna, the proposed superstrate converts a linear polarization produced by a patch antenna into a circular polarization. The designs are also compared for different gap spacing between the rings.
In the antenna development, the his elemental structure was mounted onto the antenna substrate around the radiation patch to suppress the surface wave, and the modified fss superstrate was suspended 20 mm above the radiating patch to improve the directivity. Size reduction and performance enhancement of pi shaped patch antenna using superstrate configuration pir saadullah shah1, shahryar shafique qureshi2, muhammad haneef3, sohail imran saeed4. Appropriate selection of dielectric material and its thickness is an important. The conducting patch, theoretically, can be designed of any. The magnetic metamaterials demonstrate larger than unity. Jun 03, 2015 in order to design a microstrip patch antenna at first the designer is to select the substrate material and its thickness. This proposed mtm superstrate, placed at optimum height of 15 mm from the designed rectangular patch antenna, enhances the gain of antenna in wireless transmission for satellite communications.
Nov, 2012 a high directivity broadband aperture coupled patch antenna using a metamaterial based superstrate abstract. In this paper, the gain of the single patch with the superstrate is compared to that of the single patch without the superstrate and the experimental results of 2spl times8 array antenna with the superstrate, and 4spl times8 array antenna without the superstrate are shown. This design helps to enhance gain and efficiency of microstrip patch antenna at resonance frequency. Circular patch antenna with superstrate thickness 3. Pdf a superstrate patch antenna for 60ghz applications. Jan 01, 2018 in the antenna design, the his elemental structure was mounted onto the antenna substrate around the radiation patch to suppress the surface wave, and the modified fss superstrate was suspended 20 mm above the radiating patch to improve the directivity. The proposed antenna was designed on a ceramicfilled bioplastic sandwich substrate. The dimensions of the single element radiator have been reduced by incorporating an idc and mtm unit cell in the patch and ground plane, respectively. The present invention relates to a microstrip patch antenna and array antenna using a dielectric superstrate, and particularly to a microstrip patch antenna using a dielectric superstrate and an array antenna using the same, for a wireless communication base station, a wireless local area network, satellite communications and satellite broadcasting. Gain enhancement of microstrip patch antenna using.
Microstrip patch antenna with fractal structure using. High gain fss aperture coupled microstrip patch antenna. In this case, the measured maximum gain of the patch antenna with fss superstrate is 16. Paper open access related content silicone rubber superstrate. Analysis and design of circular microstrip patch antenna at 5. In this video, i have explained microstrip antenna or patch antenna by following outlines. Microstrip antenna with superstrate geometry equation of i figure3. Broadband compact microstrip patch antenna design loaded. Geometry of patch antenna with metamaterial inspired superstrate. A superstrate for microstrip patch antennas ieee xplore. The designed microstrip patch antenna has a planner structure and operates in industrial, scientific and medical ism band. In the proposed design, two microstrip patch antennas are designed to be placed in close proximity to each other and. Study of antenna superstrates using metamaterials for. Printed monopole antenna pma pma have a simple structure and great ease of construction and installation.
The fundamentals of patch antenna design and performance. According to our antenna specifications antenna dimensions and other parameters can be changed to get optimized result using these equations. Design equations the following are the equations formulated for a layer of patch with superstrate15. Shafaiinvestigation into the effects of the patch type fss superstrate on the highgain cavity resonance antenna design ieee trans antennas propag, 54 2 2010, pp. Design high directive rectangular microstrip patch antenna. The antenna is impedancematched by means of a quarterwavelength. The present invention provides a microstrip patch antenna and array antenna using dielectric superstrate in order to enhance the antenna gain by stacking radiating patches and dielectric layers. The two slots play an important role in the antenna design.
It consists of a rectangular patch and a rtduriod 6006 superstrate with a. This paper compares the gain of a single patch with superstrate layers with that of a single patch without superstrate layers and reports the experimental results for 6element, bit, array antennas with and without a superstrate layer. An aperture coupled patch antenna eliminates the direct electrical connection between the feed and radiating conductors by employing two dielectric substrates separated by a ground plane. This proposed mtm superstrate, placed at optimum height of 15 mm from the. Metamaterial superstrate antenna design with gain enhancement. In the most basic form, a circularmicrostrip patch antenna consists of a radiating patch on one side of. Field of microstrip antennas with artificial magnetic superstrates. Details of the proposed antenna design are presented. The metamaterial superstrate antenna plays a major role for improving the gain of the antenna. Microstrip antenna, artificial and patch antenna researchgate, the. Shafaiinvestigation into the effects of the patchtype fss superstrate on the highgain cavity resonance antenna design ieee trans antennas propag, 54 2 2010, pp. It consists of a rectangular radiation patch, a substrate, a ground plane, and a superstrate above the radiation patch. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof.
A superstrate patch antenna for 60ghz applications ieee. The effect of changing substrate material and thickness on. So, if the designer has a clear conception about the effect of changing substrate material and its thickness on the performance of the antenna, it will be easier to design an antenna. Isolation and gain enhancement of patch antennas using. The details of the proposed antenna design and results are presented in the following sections. The antenna is realized in a lowcost pcb technology and can. Structure of proposed patch antenna covered with dome shaped superstrate. We also present the details of the proposed antenna design. High gain and broadband microstrip patch antenna using a. As mentioned, the proposed antenna design is based on the balancedfed aperture coupled patch antenna 5 with a stackup from the reference 7. In section 2, the metasurface is designed and analyzed for its emnz and nzri properties and its transmission and reflection characteristics are highlighted.
Effect of two different superstrate layers on bismuth. Enhanced patch antenna performance using two layers. Introduction in many applications, patch antenna model is generally enclosed by a dielectric cover for protection and stealth purposes. Fss structures can also be used as antenna superstrate to enhance antenna directivity. The coaxial probe feeding is given to the substrate at particular location of the point where input. Rectangular microstrip antenna design at thz frequency for short distance wireless communication.
In the antenna design, the his elemental structure was mounted onto the antenna substrate around the radiation patch to suppress the surface wave, and the modified fss superstrate was suspended 20 mm above the radiating patch to improve the directivity. A superstrate patch antenna for 60ghz applications ieee xplore. Study of the dielectric superstrate thickness effects on. Under unloaded conditions, the conventional patch antenna array resonates at ieee 802. By grouping parasitic patches within the designed superstrate layer and introducing a switching circuit with pin diodes, it has been possible to create sections that can be steered using only 4 digital input output ports. In order to use this dng slab as a superstrate, the rectangular microstrip patch antenna has been designed to resonate at 31. In this paper, the design of a microstrip patch antenna utilizing superstrate layers for performance enhancement is presented. In addition, features such as large bandwidth make this type of antenna suitable for pd application. The general structure of a pma is presented in figure 2, in which w 0 and l 0 are the antenna length and width, respectively, l and w are the length and width of the patch. The substrate and superstrate material is same whose dimensions are 100.
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