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FPGA implementation of a 10 GS/s variable-length FFT for OFDM-based optical communication systems

Bruno, Julian Santiago; Almenar Terre, Vicenç; Valls Coquillat, Javier (Elsevier, 2019-02)

[EN] The transmission rate in current passive optical networks can be increased by employing Orthogonal Frequency Division Multiplexing (OFDM) modulation. The computational kernel of this modulation is the fast Fourier ...
High speed RS(255, 239) decoder based on LCC decoding

García Herrero, Francisco Miguel; Valls Coquillat, Javier; Meher, P. K. (Springer Verlag (Germany), 2011-12)

Algebraic Soft-Decision Decoding (ASD) of Reed-Solomon (RS) codes provides higher coding gain over the conventional hard-decision decoding (HDD), but involves high computational complexity. Among the existing ASD methods, ...
Low-Complexity Time Synchronization Algorithm for Optical OFDM PON System Using a Directly Modulated DFB Laser

Bruno, Julián Santiago; Almenar Terré, Vicenç; Valls Coquillat, Javier; Corral, Juan L. (Institute of Electrical and Electronics Engineers (IEEE)Optical Society of America, 2015-11)

In this paper a low-complexity time synchronization algorithm for optical orthogonal frequency division multiplexing (OFDM) is proposed. The algorithm is based on a repetitive preamble that allows the use of a short cross ...

Mostrando ítems 1-3 de 3