This antenna is found to be suitable for x band applications. The microstrip patch antenna with coaxial feeding is designed using ansys hfss on a less. Experimental data for impedance, return loss and vswr of circular patch antenna without superstrate. The probe fed log periodic terahertz antenna is designed to operate at frequencies of 2. Gain enhancement of microstrip patch antenna using.
Motivation for using circular patch type fss superstrate comes from the. Analysis and design of circular microstrip patch antenna at 5. Log periodic terahertz antenna with csrr metamaterial. Placement of ebg superstrate from the patch of antenna is critical so distance between antenna and superstrate and thickness of superstrate is optimized to achieve best. Design of metamaterialloaded rectangular patch antenna. We analyze how the loading of split ring resonator superstrate and substrate can improve the bandwidth compared to the simple microstrip patch antenna and microstrip patch antenna loaded with split ring resonator superstrate.
Along with the gain enhancement, the emphasis of this letter is on extra cp radiation of the antenna caused by the superstrate, which broadens the ar bandwidth significantly. Design high directive rectangular microstrip patch antenna with. The main objective of this paper is to enhance the gain of the microstrip antenna by using frequency selective surfaces as a superstrate. The superstrate cover of dielectric layer provides protection to printed circuit antenna from environmental hazards due to abnormal weather conditions.
Triple band circular patch microstrip antenna with superstrate. In 31, a broadband dipole antenna for 60 ghz applications using a similar cavity and superstrate was reported. Ali a thesis submitted in partial fulfillment of the requirements for the degree of master of science in electrical engineering approved by. The modified split ring resonator msrr is used in design. This is a video tutorial on how to design a rectangular patch antenna using ansoft hfss. Investigations on wideband uslot microstrip patch antenna.
A microstrip antenna consists of a radiating metallic patch or an array of patches situated on one side of a thin, nonconducting, substrate panel with a metallic ground plane situated on the other side of the panel. Introduction microstrip antenna mpa is one of the most useful. The microstrip patch antenna mpa placed on the top. Matrix of 7x7 of above mentioned unit cells is formed which is called as nearzero index metamaterial superstrate. Rectangular patch antenna, circular patch antenna, square patch antenna, dielectric superstrate radome, resonate frequency, gain etc. Us6946995b2 microstrip patch antenna and array antenna. Design rectangular patch antenna using hfss part 1 youtube. A rectangular patch design equations are introduced and validated by well simulated results. The microstrip patch antenna using a dielectric superstrate for having high gain and wide bandwidth, includes. Enhanced patch antenna performance using two layers. Gain enhancement for microstrip reflectarray using.
Microstrip antenna or patch antenna basics in antenna and. Hfss simulated patterns of acp with dielectric superstrate. Investigation on wideband eshaped microstrip patch antenna with. Improving microstrip patch antenna directivity using ebg superstrate. 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. Doc design high directive rectangular microstrip patch antenna. The microstrip patch antenna mpa placed on the top pyralux substrate layer is excited by means of a longitudinal rectangular slot placed over the siw structure in the bottom pyralux substrate. Design high directive rectangular microstrip patch antenna.
A 3d model of slit cut circular patch antenna with superstrate by hfss. The patch with substratesuperstratso operate in the noise e combined geometry can al environments. Metamerial superstrate is used to increase the gain of microstrip patch antenna by 2. In order to obtain hemispherical radiation pattern for airborne applications, the conventional patch antenna is coverd by a superstrate with dielectric constant of 2. Another important observation is made for multiple split. Design and simulation of microstrip patch array antenna. Research article high gain superstrate loaded membrane. The magnetic metamaterials demonstrate larger than unity. A standard pyramidal horn antenna having a gain of 9 db is used as a reference antenna. High gain and broadband microstrip patch antenna using a. The measured gain is calculated using two antenna method. Broadband compact microstrip patch antenna design loaded.
It is shown that the micro strip patch antenna with square ebg structure achieve a high gain and large bandwidth as compared to conventional micro strip patch antenna. Gain enhancement of microstrip patch antenna using dielectric dng superstrate by abdulbaset m. A comparison in the performance of microstrip patch. A singlefeed circularly polarized cp patch antenna loaded with a single dielectric superstrate for a wideband highgain cp radiation is presented. Details of the proposed antenna design are presented.
Singh and jasmine saini abstracta microstrip patch antenna can be readily installed on any nonplanar surface due to its conformal property, and this feature enhances its applicability in many areas. In this paper a novel structure of annular ring loaded stacked circular patch microstrip antenna is theoretically analysed to observe various parameters such as. Superstrate protects the patch from environmental hazards and improves the antenna performances 43. Design rectangular patch antenna using hfss part 1 duration. 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. Enhanced patch antenna performance using two layers dielectric. Improving microstrip patch antenna directivity using ebg. This design helps to enhance gain and efficiency of microstrip patch antenna at resonance frequency. A novel fss superstrate has been presented in which improves the gain of proposed antenna about 6. Experimental measured data for gain, bandwidth bw and half power beamwidth hpbw of circular patch antenna with superstrate thickness mm.
Index terms artificial magnetic superstrate, hfss, matlab, parabolic. We measured the gain of antennas with and without a superstrate and found that the gain of a single patch with a superstrate was enhanced by about 4 dbi over the one without a superstrate. Gain enhancement of microstrip patch antenna using metamaterial. Using a metasurface superstrate mss, the antenna bandwidth. 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. Srr superstrate for gain and bandwidth enhancement of. The design and the results of a single slot coupled substrate integrated waveguide siw fed membrane antenna loaded with a superstrate layer are presented for 94 ghz communication system. Index termspatch antenna, hfss, dielectric superstrate, return loss, directivity. 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. A square patch microstrip antenna, designed patch widthw 33. In first case, the patch of antenna is surrounded with ebg structure that suppress the propagation of surface wave and in second case, layer of ebg structure that call ebg superstrate set above the patch of antenna to increase the directivity and to. In modern wireless communication world, a new designed. Performance improvement of slotted elliptical patch.
However, the gain and bandwidth of the microstrip patch antenna are very less. Github rohandeshmukh9673microstrippatchantennagain. Study of the dielectric superstrate thickness effects on. Then, the designed patch antenna is further analyzed in a resonant cavity formed by a frequency selective surface fss superstrate and antenna ground plane. A superstrate patch antenna for 60ghz applications duixian liu, johannes akkermans and brian floyd t. Gain enhancement of circular microstrip patch antenna. The software used to design and simulate the microstrip 4. Design of high gain, wideband microstrip resonant cavity. This paper experimentally investigates the effect of a superstrate layer for high gain on microstrip patch antennas.
A new metasurface superstrate structure for antenna. Gain enhancement for microstrip reflectarray using superstrate layer article in microwave and optical technology letters 462. Pdf axialratio bandwidth and gain enhancements of patch. In this paper, a microstrip array antenna with 2 elements is proposed. Design of microstrip patch antenna with superstrate for. The antenna is realized in a lowcost pcb technology and can. We measured the gain of antennas with and without a superstrate and found that the gain of a patch antenna with a superstrate was enhanced. Microstrip patch antenna using hfss ansys duration. The microstrip line model method is used and been simulated by using hfss software. It is found that there is a degradation in the performance of the antenna when the superstrate is touching the patch antenna i. High gain fss aperture coupled microstrip patch antenna. In particular, the resonant frequency will be shifted lower side, while. 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. Another wideband fss constructed from two metal surfaces separated by a substrate has been developed in providing 5.
Keywords microstrip patch antenna, superstrate layer, egb structure. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof. Microstrip patch antenna microstrip antennas are one of the most widely used type of antenna. High gain superstrate loaded membrane antenna based on.
The antenna radiation reflected lesser in antenna with fss layer by 7. The microstrip patch antenna mpa placed on the top pyralux substrate layer is excited by means of a longitudinal. A wideband circularly polarized patch antenna for 60 ghz. In this video, i have explained microstrip antenna or patch antenna by following outlines.
Deschamps is firstly proposed the concept of the microstrip patch antenna in 1953. A superstrate patch antenna for 60ghz applications ieee. Abstractwe present microstrip patch antenna loaded with multiple split ring resonator substrate and superstrate. Zhang school of electronic and information engineering south china university of technology guangzhou 510640, china abstractin this paper, a directional slot antenna with parasitic patch and windowed superstrate is presented. Gain enhancement of circular microstrip patch antenna using dualfss superstrate layer for ism. These will lead to significant bandwidth and efficiency improvements compared with a normal one substrate patch antenna.
The membrane antenna is designed using ansys hfss and consists of 6 layers. Index terms patch antenna, hfss, dielectric superstrate, return loss, directivity, radiation pattern. Analysis and design of rectangular microstrip patch. In this paper, circular patch type fss has been used as a patch antenna superstrate.
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