Performance Evaluation of a VLC System when Considering the Receiver’s Orientations

Visible light communications is a promising technology, which utilizes visible light for illumination, data communications, and indoor localization. For data communications and indoor positioning applications in an indoor environment, the link performance is influenced by the orientation of the receiver’s plane. In this paper, we consider single-input single-output (SISO) and multiple-input single-output (MISO) systems and evaluate their performances in terms of the received optical power level by considering the receiver’s orientation. For the MISO system, two different transmitter arrangements are investigated and compared. The results show that MISO offers improved performance and rotation flexibility when compared to SISO.