Flicker Free Optical Camera Communication for Cameras Capturing 30 Frames per Second

LEDs tend to become the conventional lighting solutions. Their property of being able to be quickly switched on and off inspired scientists to develop new communication systems, like Visible Light Communication (VLC), in which the transmitter is usually represented by LEDs and the receiver by photodetectors. Optical Camera Communications (OCC) is similar to VLC, but the receiver is an image sensor. A great challenge in OCC is to design a communication system that can use low frame rate cameras while avoiding the occurrence of light flickering at the transmitter. This paper proposes and experimentally validates an OCC solution that uses a camera capturing 30 frames per second as receiver, does not produce flickering at the transmitter, and, moreover, does not require a transmitter-receiver synchronization.