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Title: Sistema OFDM adaptativo sobre un canal óptico no guiado en Interiores
Authors: González Hernández, Oswaldo Bernabé 
Rodríguez, Silvestre
Ayala Alfonso, Alejandro José 
Pérez Jiménez, Rafael 
Rabadán Borges, José Alberto 
UNESCO Clasification: 3325 Tecnología de las telecomunicaciones
Issue Date: 2004
Publisher: Universitat Ramon Llull, Enginyeria i arquitectura
Project: Diseño y Desarrollo de Sistemas Para la Interconexion de Dispositivos en Ambientes Hospitalarios Basados en Comunicaciones Opticas No Guiadas. 
Conference: XIX Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2004) 
Abstract: In this paper, we investigate the use of Orthogonal Frequency Division Multiplexing (OFDM) over the indoor wireless diffuse optical channel. Previous studies have demonstrated that it can be characterized as almost stationary but with a severe penalty induced by multipath propagation. It is also highly dependent on the space distribution of emitters and receivers. We have chosen OFDM systems because of their capability of supporting high data rates without channel equalization. They also mitigate the effect of quality fluctuations of the channel induced when space distribution of emitters and receivers varies. Several results about system performance are presented. Finally, a simple adaptive OFDM scheme is proposed to increase data throughput when highly noisy optical channels are faced.
ISBN: 84-688-7736-0
Source: Actas del XIX Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2004)
Appears in Collections:Actas de congresos
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