2016•International Journal of Modern Trends in Engineering and ResearchRequires access

Overview of a visible-light-communication to Enhance WiFi system

Amruta Nikam, Mrs.Sandhya Shinde, Mrs.Swati Joshi

Abstract

Visible light communication (VLC) has largeunlicensed bandwidth, enables communication in radio frequency (RF) responsive environments, understand energy-efficient data transmission, and has the potential to increase the capacity of wireless access networks . On the other hand, WiFi provides more coverage than VLC. In order to take the advantages of both WiFi and VLC, we studied hybrid WiFi-VLC system, utilizing unidirectional VLC channel as downlink and reserving the Wi-Fi back-channel as uplink. The asymmetric solution resolves the optical uplink challenges and benefits from the full-duplex communication based on VLC. Keywords—Hybrid system,Wi-Fi, visible light communications (VLC).

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Key concepts: Visible light communication, Telecommunications link, Computer science, Wireless, Transmission (telecommunications), Computer network, Bandwidth (computing), Telecommunications