Deep learning based transceiver design for multi-colored VLC systems

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

This paper presents a deep-learning (DL) based approach to the design of multicolored visible light communication (VLC) systems where RGB light-emitting diode (LED) lamps accomplish multi-dimensional color modulation under color and illuminance requirements. It is aimed to identify a pair of multi-color modulation transmitter and receiver leading to e cient symbol recovery performance. To this end, an autoencoder (AE), an unsupervised deep learning technique, is adopted to train the end-to-end symbol recovery process that includes the VLC transceiver pair and a channel layer characterizing the optical channel along with additional LED intensity control features. As a result, the VLC transmitter and receiver are jointly designed and optimized. Intensive numerical results demonstrate that the learned VLC system outperforms existing techniques in terms of the average symbol error probability. This framework sheds light on the viability of DL techniques in the optical communication system design.

Original languageEnglish
Pages (from-to)6222-6238
Number of pages17
JournalOptics Express
Volume26
Issue number5
DOIs
Publication statusPublished - 2018 Mar 5

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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