Performance analysis of OFDM-Based VLC schemes in NLOS channels
Autor
Palacios-Játiva, Pablo
Azurdia-Meza, Cesar A.
Román Cañizares, Milton
Zabala-Blanco, David
Montejo-Sánchez, Samuel
Fecha
2020Resumen
In this paper, several Orthogonal frequency division multiplexing (OFDM)-based Visible light Communications (VLC) techniques designed for intensity modulation/direct detection (IM/DD) are evaluated and compared for various optical channels. Evaluations are done for line-of-sight (LOS) and no-line-of-sight (NLOS) channels. The techniques analyzed are asymmetrically clipped optical OFDM (ACO-OFDM), direct-current (DC) biased optical OFDM (DCO-OFDM), and asymmetrically clipped DC biased optical OFDM (ADO-OFDM). These schemes are evaluated and compared for different M-QAM modulations in terms of bit error rate (BER). It is shown that ACO-OFDM, in general terms, presents a better performance compared to the conventional DCO-OFDM and ADO-OFDM schemes.
Fuente
2020 South American Colloquium on Visible Light Communications (SACVC)Link de Acceso
Click aquí para ver el documentoIdentificador DOI
doi.org/10.1109/SACVLC50805.2020.9129862Colecciones
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