Interference Management for Indoor multicell Visible Light Communication Networks

Visible light communication (VLC) has emerged as a promising technology especially for short-range indoor applications. In indoor VLC systems, light-emitting diodes (LEDs) are used for data transmission, but indoor reflection will be produced at the same time. The multi-path effect will affect the signal quality and system performance. In this paper, a novel VLC system utilizing multiple input multiple output (MIMO) and orthogonal frequency-division multiplexing (OFDM) is investigated. The interference management processing of VLC system is discussed. The performances of the system are validated by simulations with zero forcing (ZF) and vertical bell laboratories layered space-time (V-BLAST) channel equalization algorithms.