Design and Characterization of Microstrip Patch Antenna with EBG Periodic Structures for C Band Applications
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Abstract
This paper reveals about the design and characterization of Electromagnetic Band Gap (EBG) structures designed for various antenna applications. These structures which include the materials for deploying various innovative structures and shapes that finds many applications in industry and military as well. Generally these structures involve a substrate of metallic patches (i.e cells) acquires the dimensions which are normally less than its operating wavelength (l) compared with that of microstrip antenna which finally enhances efficiency and bandwidth of the designed antenna which placed on a modified ground surface. In reality there is less discussion on the optimized design and on its performance for certain confront external conditions, while the maximum literatures focus only on EBG structured computational aspects. The design of antenna includes the set of octagonal slots in the substrate together with ground plane and the patch. Concept of Optimetrics is introduced for finding the parameters of patch desired to resonate the antenna at required frequency. The design provides S11 of -21.09dB which is better than the conventional patch antenna structures. The structure proposed is resonating at 6.9 GHz which comes under the category of C Band frequency range.
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