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《Opto-Electronic Engineering》 2007-01
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Design and Simulation on the Layout of Lighting for VLC System

DING De-qiang1,2,KE Xi-zheng1,LI Jian-xun1 ( 1. Automation & Information Engineering School, Xi’an University of Technology, Xi’an 710048, China; 2. Xi’an Communication College, Xi’an 710106, China )  
In visible light communication system, lighting source composed of several plural white LEDs is not only illuminating devices, but also a part of the communication system. The distribution of received power in a room varies with the different layout of lightings. So we need to seek an optimal lighting layout to minimize the range of received power. The channel model of indoor optical communication was shown in this paper. The relation between the layout of lightings and the received optical power was discussed. An optimal design of lightings layout was proposed on the assumption that the VLC system had four lightings devices. The results of computer simulation show that this optimal design is feasible for the visible light communication system.
【Fund】: 陕西省“火炬计划”项目(2002HK52);; 陕西省教育厅科技资助项目(04JK247)
【CateGory Index】: TN929.1
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