Data detection for Smartphone visible light communications

In this paper we present the experimental work on object detection in the Smartphone visible light communications (SVLC) system. In SVLC, the Smartphone emits encoded images using its panel light under different conditions (link range and angles) and the transmitted data is captured by a receiving phone. The captured image is processed using the Speeded Up Robust Features (SURF) technique, which enables the frame detection and subsequently bit stream recovery. The success rate of the bit stream transmission is measured for the above test conditions. The obtained results show that 93% of successful data recovery is achieved under the normal user´s working environment. In addition tests carried out also show the possibility of fast data rate communications.