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A single-negative (SNG) metamaterial insulator is designed to reduce coupling between two closely-spaced antennas. The proposed single-negative (SNG) metamaterial-inspired resonator is formed by connective and symmetrical placed spirals to have small size (0.03λ0×0.14λ0). The designed SNG structure functions as insulator in certain frequencies to efficiently reduce mutual coupling between two closely-spaced...
Open-sleeve dipoles are widely used antennas because they have several parameters that can be adjust to achieve wide range of operating bandwidth. In this paper, an end-loaded planar open-sleeve dipole (ELPOSD) with a magnetic dielectric material based planar EBG substrate is investigated. With S11 < -10 dB, the ELPOSD has a bandwidth of 5.15-10 GHz and the broadband gains precede 6.4 dBi. Including...
This paper presents a novel compact broad- band patch antenna. The antenna resonance at 0.915, 0.980 and 1.007 GHz, is only 30% area of a conventional design, and a 12.6% bandwidth is achieved. The reduction in area and broadband are achieved by introducing a shorting wall and slot-loaded at the radiating edge of the E-Shaped patch antenna. Details of the proposed compact and broadband design is presented...
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