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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/9746

    Título
    Esquema de sincronismo para sistemas OCDMA basado en códigos ópticos aleatorios
    Autor
    Martín González, Jesús ÁngelAutoridad UBU Orcid
    González Hernández, Oswaldo
    Poves Valdés, Enrique
    López Hernández, Francisco José
    Rodríguez Pérez, Silvestre
    Fecha de publicación
    2010-09
    Descripción
    Comunicación presentada en: XXV Simposium Nacional de la Unión Científica Internacional de Radio (URSI). En Bilbao (Spain), 15-17 septiembre 2010
    Abstract
    In this paper, a technique for code acquisition in optical code-division multiple-access (OCDMA) systems using the recently introduced Random Optical Codes (ROCs) is presented. The acquisition scheme, which is based on the transmission of a synchronization preamble, is described. This scheme is a modification of another one previously presented [1], where the phenomenon which we have called “auto-collision” is now resolved. The equations that allow us to establish an upper bound for the acquisition performance are indicated and several results which prove the reliability of these expressions are presented. These results show that the acquisition scheme is practically infallible when the synchronization preamble is constituted by three or four bits, irrespective of the multi-user interference, then making it very appropriate for optical communications over very saturated scenarios (with a large number of users).
    Materia
    Telecomunicaciones
    Telecommunication
    Radio
    URI
    http://hdl.handle.net/10259/9746
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