Abstract
R&D activities on optical wireless indoor-communications (OWC), driven by the proliferation of LED-based lighting, have grown significantly worldwide. The newly achieved results indicate that ordinary LEDs designed for illumination can deliver data rates up to the Gbps-range, which enables numerous local area wireless applications. Most important merits are simple protection against jamming and tapping (i.e. security, confidentiality) along with the feasibility of creating well-defined, dense communication cells. This contribution provides an overview of current solutions, particularly those using visible light, and discusses first steps towards commercialisation of high-speed systems.
© 2012 Optical Society of America
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