Effects of Ground Constituent Parameters on Array Mutual Coupling for DOA Estimation | Zendy

Irfan Ahmed | Zendy; Warren F. Perger | Zendy; Seyed A. Zekavat | Zendy

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Effects of Ground Constituent Parameters on Array Mutual Coupling for DOA Estimation

Author(s) -

Irfan Ahmed,

Warren F. Perger,

Seyed A. Zekavat

Publication year - 2011

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2011/425913

Subject(s) - coupling (piping) , antenna (radio) , finite element method , realization (probability) , compensation (psychology) , electronic engineering , acoustics , reduction (mathematics) , engineering , physics , computer science , electrical engineering , mathematics , structural engineering , geometry , mechanical engineering , psychology , statistics , psychoanalysis

Effects of ground constituent parameters on the mutual coupling (MC) of monopole antenna array are investigated. This workaugments an existing MC compensation technique for ground-based antennas and proposes reduction in mutual coupling forantennas over finite ground as compared to the perfect ground. The work is investigated by finite element method analysis, andnumerical results are presented. A factor of 4 decrease in both the real and imaginary parts of the mutual coupling is observedwhen considering a poor ground versus a perfectly conducting one, for quarter-wave monopoles in receiving mode. A simulated resultto show the errors in direction-of-arrival (DOA) estimation with actual realization of the environment is also presented

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