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Electronic equalization for advanced modulation formats in dispersion-limited systems

Abstract:

We investigate in this letter the use of electronic equalization on dispersion-limited systems for different modulation formats. Besides analyzing equalization on standard nonreturn-to-zero (NRZ) intensity modulation as a reference, we focus on two advanced modulation formats, duobinary (DB) and differential phase-shift keying (DPSK) which are recently gaining a lot of attention. We demonstrate that the introduction of an electronic equalizer strongly improves standard NRZ performance, whereas, it has a limited effect on DB and DPSK formats. Moreover, we give rules for the optimal choice of the equalizer transversal filter parameters, i.e., the number of taps and the delay between taps. © 2004 IEEE.

Año de publicación:

2004

Keywords:

    Fuente:

    scopusscopus

    Tipo de documento:

    Article

    Estado:

    Acceso restringido

    Áreas de conocimiento:

    • Comunicación
    • Procesamiento de señales

    Áreas temáticas:

    • Física aplicada

    Contribuidores:

    Roberto GaudinoRoberto Gaudino
    Curri V.Curri V.
    Napoli A.Napoli A.
    Poggiolini P.T.Poggiolini P.T.