The side view of the proposed antenna array is presented in fig. Rectangular patch antenna, circular patch antenna, square patch antenna, dielectric superstrate radome, resonate frequency, gain etc. Controlling radiation pattern of patch antenna using transformation. Circular polarized microstrip patch antenna for transmittingreceiving and array antenna arraying it for sequential rotation feeding twi2686b en 20051025. The size miniaturization is achieved by using metamaterial superstrate with i shaped slots in both the layer. The sixelement array antenna using superstrate layers had a high gain that exceeded 1 dbi and a wide impedance bandwidth of over 67%. A metamaterial superstrate loaded microstrip patch antenna array has been proposed in this paper. High gain superstrate loaded membrane antenna based on. Mutual coupling reduction in patch antenna arrays using a ucebg superstrate abstract. By placing the prs superstrate above the antenna, gain further improves to 9. To overcome all these shortcomings, metamaterial superstrate antenna with array of patch antenna is proposed in this paper for gain enhancement. The optimal distance between mtm superstrate and the antenna patch is determined using the fabryperot cavity theory to maximize power directivity and efficiency of the proposed antenna.
The patch array was printed on the top side of the. In accordance with an aspect of the present invention, there is provided a microstrip array antenna, including microstrip patch antennas, each of which uses a dielectric superstrate, wherein the. Patch antenna array in use for wifi communications refer to appendix a for the single patch antenna design procedure. Patch antenna array in order to increase main beam gain, reduce side lobe radiation, and increase directivity, the patch antenna design was expanded to a four element array. Mutual coupling reduction in an array of patch antennas.
The impedance bandwidths of a single patch with and without a superstrate for vswr array antenna with a superstrate to that of a sixelement, bit, array antenna without a superstrate layer. The proposed antenna array consists on a single substrate. Under unloaded conditions, the conventional patch antenna array resonates at ieee 802. The proposed array antenna comprises two patch antennas fed by a 1to2 wilkinson power divider. Dense dielectric patch antenna array using a holey superstrate. To verify and confirm the simulation results, a prototype of the cllmtm superstrate incorporating an array of rectangular patch antennas are fabricated and tested. Here two different types of antenna have been made, one is 2 x 8 antenna array with superstrate and 4x8 antenna array without superstrate. High gain microstrip patch antenna array using multiple. Tadjalli, journalieee antennas and wireless propagation letters. The antenna radiation reflected lesser in antenna with fss layer by 7.
Patch array antenna with high gain using ebg superstrate for future. Air is used as dielectric medium between feed patch and ground plane. Dielectric layer to match antenna superstrate assembly at design. Abstractthis article presents a microstrip fed patch antenna array, loaded with metamaterial superstrate.
The antenna structure consists of a microstrip antenna array which feeds 4 x 4 array of square parasitic patches fabricated on a low cost fr4 superstrate. Microstrip patch antenna design the design of simple microstrip patch antenna and its results is presented in this section. We compare and summarize the results for the impedance bandwidth and gain characteristics of three different antenna prototypes, namely two conventional 2. This paper proposes a microstrip antenna array fed high gain antenna using array of parasitic patches on a superstrate layer for wireless applications. A dielectric superstrate layer is utilized to enhance the antenna gain. Simulated and measured results of an antenna with and without a superstrate. In order to use this dng slab as a superstrate, the rectangular microstrip patch antenna has been designed to resonate at 31. Citeseerx msa array fed high gain antenna using parasitic. The membrane antenna is designed using ansys hfss and consists of 6 layers. In this video, i have explained microstrip antenna or patch antenna by following outlines. Compact wideband microstrip thinned array antenna using ebg. Pdf srr superstrate for gain and bandwidth enhancement. Design of 4 elements rectangular patch antennas with high gain. The proposed lhm structure was used as the superstrate for a patch antenna, as illustrated in figure 11a.
In this paper, the design of a microstrip patch antenna utilizing superstrate layers for. In 2 we indicated that our cavitybacked folded dipole superstrate antenna has potential for integration with our 60ghz sige chipset 1 in a plastic landgrid array lga package 3. Gain enhancement for microstrip reflectarray using. The microstrip patch antenna using a dielectric superstrate for having high gain and wide bandwidth, includes. Us20100277374a1 antenna having metamaterial superstrate and. A proposed microstrip patch antenna array is shown in figure 5. The antenna design is made on a fr4 substrate having dielectric constant of 4.
Mutual coupling reduction in patch antenna arrays using a. 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 reduce the side lobes of the radiation pattern. A superstrate patch antenna for 60ghz applications duixian liu, johannes akkermans and brian floyd t. Improving microstrip patch antenna directivity using ebg. Broadband compact microstrip patch antenna design loaded by. Mutual coupling reduction in patch antenna arrays using a uc. A highgain microstrip patch array antenna using a superstrate layer.
Both, conventional patch antenna array and metamaterial superstrate, are designed on fr4. Hence, to suppress the grating lobes and enhance the antenna directivity, a dielectric superstrate with the proper properties is utilized. Abstractdielectric superstrate enhanced patch antennas could advantageously replace conventional array antenna in several application. Microstrip patch antenna and array antenna using superstrate. The microstrip patch antenna mpa placed on the top pyralux substrate layer is excited by means of a longitudinal. An adaptive array with the goal of suppressing interference is investigated. A compact wideband microstrip array antenna with ebg superstrate is presented.
Directional patch antenna array design for desktop. Gain enhancement of microstrip patch antenna using dielectric. Metamaterial inspired dng superstrate for performance. A dielectric layer of an electromagnetic band gap ebg. Study of the dielectric superstrate thickness effects on. Study of antenna superstrates using metamaterials for. Design high directive rectangular microstrip patch antenna with. The original patch antenna has the following geometry parameter. Pdf performance enhancement of array antennas using. 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. High gain microstrip patch antenna array using multiple superstrate. Srr superstrate for gain and bandwidth enhancement of microstrip. The microstrip antenna is meandered at the edges to increase the bandwidth of simple patch antenna.
Farahani and mehdi veysi and manouchehr kamyab and a. The antenna is impedancematched by means of a quarterwavelength. The concept of an interference environment is introduced, which enables. Wonkyu choi 5 presents the high gain patch array antenna using the superstrate layer where the layer affects its gain and resonant characteristics. Reducing mutual coupling between elements of an antenna array is one of the main topics in array designs. Srr superstrate for gain and bandwidth enhancement of. Metamaterial superstrate for performance enhancement of. 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. A slight shift is observed in the resonant frequency of the structure array patch antenna with superstrate which is attributed to the change in the near field properties of the array antenna.
A finitesize superstrate based on identical patch arrays for. Analysis and design of circular microstrip patch antenna at 5. The dsrc preconditions have a large impact on the antenna design. A dielectric superstrate layer above a microstrip patch antenna has remarkable effects on its gain and resonant characteristics. A superstrate patch antenna for 60ghz applications ieee xplore. To utilize the manipulation of wave properties by metamaterials, in this paper, a microstripfed patch antenna array, loaded with metamaterial superstrate, has. The rca structure is composed of a twolayer metamaterial superstrate and an aperturecoupled patch antenna source.
Superstrate antennas for wide bandwidth and high efficiency for 60 ghz indoor communications 95 of the microstrip fed stacked patch antenna with superstrate. Metamaterial superstrate antenna design with gain enhancement. It consists of a lower patch with an optimised dimension of 1. The proposed twoelement array antenna has a dimension of approximately 1. Mutual coupling reduction in an array of patch antennas using. Design high directive rectangular microstrip patch antenna. Microstrip patch antenna design calculator 1 mosin i memon and 2 prof.
May 04, 2018 in this video, i have explained microstrip antenna or patch antenna by following outlines. Fabrication and measurement for this investigation, we fabricated a 2. Further enhancement in the gain will be done by increasing the size of the antenna with array of patches. This new technology simplifies the antenna configuration and can potentially lead to lighter and cost effective solutions. Microstrip antenna or patch antenna basics in antenna and. Us6946995b2 microstrip patch antenna and array antenna. It is shown that the interference rejection capabilities of the antenna array depend upon its geometry.
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 at 12 ghz. The photonic crystal is used as a superstrate which has a thickness of 1. Artificial magnetosuperstrates for gain and efficiency improvement. 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 impedance bandwidths of a single patch with and without a superstrate for vswr antenna gain. A microstrip antenna array was designed using multiple superstrate layers, to overcome the disadvantage of low gain of a simple microstrip antenna. 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 investigation is performed on a finitesize metamaterial superstrate. Metamaterial superstrate microstrip patch antenna for 5g. The metamaterial configuration is formed by stacking two identical patch arrays with a small airgap separation of 0. Tadjalli, journalieee antennas and wireless propagation letters, year2010. Here the overview of air fed high gain patch antenna is presented.
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