Proposes a method for designing spread sequences for a spread spectrum (SS) communication and ranging system. The proposed sequence is composed by concatenated equivalently odd and even (EOE) inner-sequences and an M outer sequence. We have previously proposed EOE sequences that have equivalently good properties of both even and odd correlation, what are important features for acquisition and demodulation in SS communications. Usually, simple concatenation of pseudonoise-sequences results in sequences with bad autocorrelation properties. Unlike the latter, concatenation of EOE inner sequences result in sequences with good correlation properties, exhibiting low sidelobe peaks, what is useful for achieving stable acquisition. The proposed sequences have long period. Therefore, the single concatenated EOE sequence is suitable for a spread spectrum system with both communication and ranging functions.


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    Title :

    Inter-vehicle spread spectrum communication and ranging system with concatenated EOE sequence


    Contributors:
    Mizutani, K. (author) / Kohno, R. (author)


    Publication date :

    2001-12-01


    Size :

    382295 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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    Concatenated Sequences for Spread Spectrum Systems

    Maskara, S.L. / Das, J. | IEEE | 1981