Title :
Design of a visible light Internet access system
Author :
Hetian Zhu ; Minglun Zhang ; Chao Wang ; Xujin Guo ; Yangan Zhang
Author_Institution :
State Key Lab. of Inf. Photonics & Opt. Commun., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
In this study, a visible light Internet access communication system is presented. The system uses visible light as downlink which can communicate at a distance of 2m. With the application of the pre-emphasis technology, a 3-dB transmission bandwidth of 130MHz is achieved. The physical layer of the system is controlled by FPGA (Field Programmable Gate Array) and the FPGA is the bridge of the MAC (Access Control Layer) and the physical layer. In the evaluation experiment the test computer can access Internet and play online video resources. The maximum downlink data rate is up to 30Mb/s.
Keywords :
Internet; access protocols; field programmable gate arrays; optical communication; FPGA; MAC; access control layer; field programmable gate array; online video resource play; preemphasis technology; visible light Internet access communication system; Bandwidth; Encoding; Field programmable gate arrays; Internet; Light emitting diodes; Optical fiber communication; Ports (Computers); Li-Fi; visible light communication; wireless optical communication;
Conference_Titel :
Ubiquitous and Future Networks (ICUFN), 2015 Seventh International Conference on
Conference_Location :
Sapporo
DOI :
10.1109/ICUFN.2015.7182495
