Abstract
This paper first brings a single receiver multiple-input-multiple-output (SR-MIMO) model to realize the space multiplexing in the visible light communication (VLC) system. The signals from two transmitters are super-imposed in the receiver thus to realize a specially superposed modulation. Depending on the power ratio between two transmitters, various superposed signal structures can be obtained. In order to separate the superposed signal, we design a novel detection algorithm which consists of the successive interference cancellation (SIC) and the look-up table (LUT). Extensive experiments demonstrate that a data rate of 1.5Gbit/s is achieved in the 1.3-m indoor line-of-sight (LOS) scenario with the bit error rates (BERs) are below the forward error correction (FEC) threshold.
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