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Author: search.filters.author.Tantisopharak, TanawutSubject: search.filters.subject.CMA

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    Simple initialization scheme for CMA adaptive antenna by using digital beam synthesis
    (2008-10-06)
    Tantisopharak, Tanawut
    ;
    Boonpoonga, Akkarat
    ;
    Sirisuk, Phaophak
    ;
    Krairiksh, Monai
    This paper presents a simple technique of initialization for CMA adaptive antenna. The technique utilizes digital beam synthesis for a circular array antenna to synthesize the beams in digital domain. The synthesized beam can be switched into different directions by choosing proper weight vectors. The weight vectors are calculated through a phased array principle. The beams obtained from the synthesis are employed to initial CMA in order to improve its convergence property. The technique makes the compact adaptive antenna using CMA possible. Simulation results show that the proposed technique can significantly improve the convergence property of CMA. ©2008 IEEE.