Mobility Management for Indoor VLC Systems

In indoor visible light communication (VLC) systems, user’s mobility degrades the quality of the connection. This is due to the small coverage area of the transmitters. This work presents control signals to observe the quality of the connection of the user during its mobility. Each transmitter will be given a unique control signal and this control signal is added with the transmitted data. The user receives data from one transmitter that gives a good link connection while connects with all transmitters through control signals. Thus, the performance of the transmitters will be observed by the user through the control signals. The results show that using control signals leads to reduce the outage probability and improve the quality of the connection comparing with VLC systems without control signals.