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Listar por autor "Bruno, Julián Santiago"

Mostrando ítems 1-6 de 6

A Computational Efficient Nyquist Shaping Approach for Short-Reach Optical Communications

Pérez Pascual, Mª Asunción; Bruno, Julián S.; Almenar Terre, Vicenç; Valls Coquillat, Javier (Institute of Electrical and Electronics Engineers, 2020-04-01)

[EN] Recently, Half-Cycle Nyquist Subcarrier Modulation (HC-SCM) was proposed to achieve high spectral efficiency in intensity-modulator direct-detection optical links. This paper shows that the HC-SCM scheme has a high ...
Algoritmos y arquitecturas hardware para la implementación de OFDM en sistemas de comunicaciones ópticos

Bruno, Julián Santiago (Universitat Politècnica de València, 2019-05-02)

[ES] Esta tesis explora en profundidad la viabilidad técnica y las prestaciones de un sistema de transmisión para comunicaciones ópticas, de bajo coste y alta velocidad, basado en la multiplexación por división de frecuencia ...
Diseño e implementación de una FFT de alta velocidad para OFDM en comunicaciones ópticas

Bruno, Julián Santiago (Universitat Politècnica de València, 2014-09-18)

[EN] This thesis is focused on the design of FFT module for optical OFDM communication applications using an FPGA device. Optical OFDM communication systems operating at data rates in the giga samples per second range ...
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 ...
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 ...
Real-time 20.37 Gb/s optical OFDM receiver for PON IM/DD systems

Bruno, Julian Santiago; Almenar Terre, Vicenç; Valls Coquillat, Javier; Corral, Juan L. (The Optical Society, 2018)

[EN] This paper presents the hardware architecture of an OFDM receiver suitable for optical communications. The receiver has been implemented in an FPGA device and used to demonstrate experimentally an optical OFDM ...