A general analysis of antenna arrays with interelement coupling is presented/revisited. It is shown that the array in this case should be treated as a whole entity, which is characterized by a number of eigenmodes equal to that of the array elements. Such array modes can be independently excited and used for beamforming and steering exactly like the individual elements in the uncoupled case. The analysis adopts a coupled-resonator structure as a model for the array. The related equivalent circuit is derived field theoretically for a fairly general antenna element. Only one-dimensional arrays are considered in details. The generalization to the two-dimensional case is however straightforward. The paper is principally of a fundamental nature with revisited physical insight into the operation of antenna arrays. Therefore neither numerical simulations nor measurements are included.


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    Title :

    General Analysis of Coupled-Element Antenna Arrays


    Contributors:
    Omar, Abbas (author)


    Publication date :

    2019-03-01


    Size :

    699709 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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