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    Efficient Generation and Correlation of Sequence Pairs With Three Zero-Correlation Zones

    TitleEfficient Generation and Correlation of Sequence Pairs With Three Zero-Correlation Zones
    Publication TypeJournal Article
    Año de publicación2009
    Autoresdel Perez, MC, Ureña, J, Hernández, Á, Jimenez, A, Marzziani, CD
    Idioma de publicaciónEnglish
    JournalIEEE Transactions on Signal Processing
    Volumen57
    Número9
    Páginas3450 - 3465
    Fecha de publicación09/2009
    Rank in category39/229
    JCR CategoryENGINEERING, ELECTRICAL & ELECTRONIC
    Palabras claveCode division multiaccess, correlators, generators, pulse compression methods, sequences.
    JCR Impact Factor2.335
    ISSN1053-587X
    DOI10.1109/TSP.2009.2020745
    Abstract

    This paper presents three novel methods to efficiently
    generate and correlate sequence pairs with three zero correlation
    zones in the sum of their aperiodic correlation functions. These sequences
    have achieved great importance in communications systems
    when the maximum transmission delay is less than the length
    of these zones, because the multiple access interference (MAI) and
    the intersymbol interference (ISI) can be removed. The proposed
    algorithms are based on the properties of complementary sets of
    sequences (CSS) and they offer an efficient hardware implementation
    of the corresponding generators and correlators that reduces
    the total number of operations to be performed in comparison with
    straightforward implementations. That makes possible real-time
    operation as well as the use of very long sequences.

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