ELECTROMAGNETIC CHARACTERISTICS OF CONFORMAL DIPOLE ANTENNAS OVER A PEC SPHERE | Zendy

Javad Soleiman-Meiguni | Zendy; Manouchehr Kamyab | Zendy; Ahmad Hosseinbeig | Zendy

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ELECTROMAGNETIC CHARACTERISTICS OF CONFORMAL DIPOLE ANTENNAS OVER A PEC SPHERE

Author(s) -

Javad Soleiman-Meiguni,

Manouchehr Kamyab,

Ahmad Hosseinbeig

Publication year - 2012

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

ISSN - 1937-8726

DOI - 10.2528/pierm12081807

Subject(s) - conformal map , dipole , physics , conformal antenna , dipole antenna , quantum electrodynamics , optics , mathematical analysis , mathematics , computer science , antenna (radio) , slot antenna , telecommunications , quantum mechanics

Rigorous mathematical Method of Moments (MoMs) for analyzing various radiating spherical structures is presented in this paper by using Dyadic Green's Functions (DGFs) in conjunction with Mixed Potential Integral Equation (MPIE) formulation. With the aid of linear Rao-Wilton-Glisson (RWG) triangular basis functions and by converting spherical DGFs to Cartesian DGFs, a conformal dipole antenna in free space and over a Perfect Electric Conductor (PEC) sphere is analyzed. The characteristics of such antennas are computed by applying multilayer spherical DGFs and asymptotic approximation methods. Mutual couplings between elements of a conformal dipole antenna array in free space and over a conducting sphere are also investigated. Good agreement between the computational results obtained by the proposed methods and those obtained from commercial simulator packages shows accuracy and high convergence speed of the presented methods.

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