High-Speed Visible Light Communication Chipset Based Multi-Color MIMO System

This paper proposes a visible light communication (VLC) chipset based multi-color multiple-input multiple-output (MIMO) VLC system. The high-speed wideband VLC chipset we employed is independently researched and developed, it could afford higher than Gbps data rate transmission. With the utilization of multi-color LEDs (e.g., RGBY-LEDs), the data rate of VLC systems is further improved. In this paper we introduce the multi-color communication module and the architecture of our proposed multi-color MIMO system model. With the help of self-designed shape π resistance network and bridged-T based pre-equalizer, the bandwidth of each LED color chip is broaden. Finally, an experimental chipset based multi-color MIMO-VLC setup is constructed and tested. The proposed experimental system offers the aggregate physical layer (PHY) data rates up to 1 Gbps.