Browsing by Author "Ibrahim, A.G.A."

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    Mimo Slot Antenna With Polarization Diversity and Dual Notched Bands for Uwb Applications
    (Institute of Electrical and Electronics Engineers Inc., 2023) Parchin, N.O.; Amar, A.S.I.; Fawzy, D.E.; Allam, A.M.M.A.; Eid, A.M.; Ibrahim, A.G.A.
    This paper introduces a 4-port MIMO slot antenna system with dual notched bands, which is designed for future wireless communications. The antenna structure consists of four modified U-shaped radiation stubs with a shared ground plane, arranged in a planar form. The results demonstrate that the antenna operates effectively across frequencies ranging from 2.1 to 10.7 GHz, covering the entire ultra-wideband (UWB) spectrum. Moreover, two notched filtering characteristics have been incorporated at 3.3 to 4.2 GHz and 5 to 6 GHz, utilizing modified radiation stub resonators. These notches effectively suppress interference from C-band, WLAN, and WiMAX interfaces. The performance of the proposed antenna design has been thoroughly evaluated in terms of its fundamental characteristics. The results show that the antenna achieves satisfactory scattering parameters, 3D radiation patterns, efficiency, and gain levels. The designed UWB antenna system fulfills the requirements for MIMO and diversity applications. © 2023 IEEE.