In the field of indoor wireless networks, visible light communication (VLC), which can synergistically provide both illumination and data transmission, is garnering increasing attention. Realizing dimming function without corrupting the communication performance is one of the main challenges for VLC systems. By fully taking advantage of the available channel state information (CSI) at both the transmitters and the receivers, a novel dimming scheme based on antenna selection is proposed for multiple- input multiple-output (MIMO) VLC systems. To the best of the author's knowledge, this is the first design of a dimming scheme specially for MIMO- VLC systems. Simulation results for various dimming proportions and receiving positions verify that the proposed scheme has significant bit error ratio (BER) performance gains over the conventional dimming scheme, which makes it a promising alternative dimming scheme for MIMO-VLC systems.
A Novel Dimming Scheme for Indoor MIMO Visible Light Communication Based on Antenna Selection
2016-05-01
262118 byte
Conference paper
Electronic Resource
English
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