5G Internet of radio light services for supermarkets Xun Zhang, John Cosmas, Ben Meunier, Kareem Ali, Nawar Jawad, Mukhald Salih, Hong-Ying Meng, Jian Song, Jintao Wang, Min Tong January 2017 Cite Next 5G Internet of radio light services for supermarkets Previous An Indoor Positioning System Based on Visible Light Communication Using a Solar Cell as Receiver