Visible light communication (VLC) can provide high-speed data transmission that could
alleviate the pressure on the conventional radio frequency spectrum with the looming …

Among the challenges of realizing the full potential of light-fidelity (LiFi) cellular networks are
user mobility, random device orientation, and blockage. In this paper, we study the impact of …

The combination of multiple-input multiple-output (MIMO) transmission and orthogonal
frequency division multiplexing (OFDM) modulation has been shown to be an effective way …

Physical-layer encryption has lately been highlighted as a promising security approach for
visible light communications (VLC). Orthogonal frequency-division multiplexing (OFDM) is …

Spatial modulation (SM) has proven to be a promising multiple-input-multiple-output (MIMO)
technique which provides high energy efficiency and reduces system complexity. In SM, only …

Optical spatial modulation (OSM) and orthogonal frequency division multiplexing (OFDM)
are two promising techniques for bandlimited intensity modulation/direct detection (IM/DD) …

The performance of different multiple-input multiple-output (MIMO) techniques, ie, spatial
multiplexing (SMX), spatial modulation (SM) and spatial repetition coding (SRC), are studied …

For optical wireless communication systems with restricted bandwidth, combining multiple-
input multiple-output (MIMO) transmission with orthogonal frequency division multiplexing …

Coherent light fidelity (LiFi) systems which uses coherent detection at the receiver are
attracting more and more interest as they provide many advantages over the conventional …

Underground Mining (UM) is a harsh environment that involves multiple threats to worker
safety and needs adequate wireless communications to ensure worker well-being and …