Visible light communication using the flash light LED of the smart phone as a light source and its application in the access control system Fan, Linyong. Liu, Qunxing. Jiang, Chunxu. Xu, Huawei. Hu, Jianyao. Luo, Dongxiang. He, Zhiyuan. Huang, Qingli Fan, Linyong et Al. flash-to-photodiode Cite In 2016 IEEE MTT-S International Wireless Symposium (IWS) Date Mar, 2016 Links PDF Abstract