3United States Department of Energy.The Global LED Lighting Trends. . 2011
4Zhou B,Cao J,Zeng X,et al.Adaptive traffic light control in wire-less sensor network-based intelligent transportation system. Vehicular Technology Conference Fall (VTC 2010 -Fall) . 2010
5Gan Y,Jia C,Zou D,et al.Design and implementation of green inteligent lights based on the Zig Bee. 2012 International Conference on Graphic and Image Processing . 2013