Optical wireless indoor multiple‐input–multiple‐output system using on–off keying and pulse position modulation modulations

Performance evaluation of four‐level modified Manchester modulation format for high‐speed optical transmission systems

“…However, using this scheme for 100 GBE can be quite challenging because of the expansive bandwidth in addition to high-speed optoelectronic components desired. Similarly, for DD-OOFDM, the required optical carrier must be conveyed sideways with orthogonal frequency division multiplexing subcarriers, which add several amounts of optical difficulty at the transmitter [12,13].…”

MIMO visible light communication system with block Markov superposition transmission

“…This technology uses LED arrays to simultaneously transmit multiple signals, making full use of the time, frequency and space domains, and can facilitate a robust VLC system with enhanced transmission rate. Hence, it has been extensively researched in recent years [9–11].…”