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Visible light communication has aroused many research interests in recent years. Given the limited modulation bandwidth of LED, multiple input and multiple output (MIMO) technology appears attractive in VLC systems as multiple LED sources are typically employed in indoor environment to supply sufficient illuminance. For a practical indoor system, there generally exist multiple decentralized user terminals,...
Indoor visible light communication using MIMO-OFDM transmission is basically expected to be deployed along with the coming next generation solid-state lighting based on white light-emitting diodes. This paper first shows our recent proposed indoor MIMO-VLC system for multiuser application scenario. By utilizing a precoding scheme in the transmitter, an asymmetric system configuration can be setup...
Multiple input multiple output (MIMO) technology appears attractive for indoor visible light communication (VLC) systems as multiple light-emitting diodes (LED) sources are typically deployed for indoor environment. Most of current indoor MIMO VLC systems utilize single user terminal scenario to investigate the performance of the system. However, typical arrangement of a practical indoor environment...
This paper investigates the performance of our recently proposed precoding multiuser (MU) MIMO system in indoor visible light communications (VLC). The transmitted data of decentralized users are transmitted by light-emitting-diode (LED) arrays after precoding in a transmitter, by which the MU interference is eliminated. Thus, the complexity of user terminals could be reduced, which results in the...
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