Institut for Forretningsudvikling og Teknologi

Ambuj Kumar

Visible Light Communications (VLC) for Ambient Assisted Living

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With the advent of high efficacy light emitting diode (LED) directional lamps as a key component
in focal lighting, new possibilities emerge for re-designing the smart home scenario. A smart home
scenario is characterized by enabled intelligent interworking of various wireless and wired
technologies to provide inhabitants with ease of use of appliances, while creating a personalized and
safe ambience space. More and more high and low data rate circulates within the indoor ambient
space (e.g., home, hospitals, offices). Although, unlicensed technologies, such as wireless local area
networks (WLANs) can take upon part of the indoor traffic, the ever increasing demand for such
data, and users, calls for either use of licensed or novel unlicensed wireless communication
technologies as part of the smart home enablers. This paper focuses on the potentials of visible light
communications (VLC), jointly with radio and fiber communications, to support very dense low and
high data rate connectivity, while enabling deployment of secure-sensitive indoor applications,
including indoor tracking and localization. The paper proposes a scenario for integrating VLC into
the smart home scenario and a conceptual supporting architecture for its deployment. Further, the
technical challenges and possible roadmap for the actual deployment are analyzed for the particular
case of an eHealth scenario where the utilization of VLC technology is the enabler of the costefficient
rollout of the required infrastructure and thus the game-changer in a multi-billion eHealth
niche that is seeking for cost affordable solutions.
TidsskriftWireless Personal Communications
Sider (fra-til)1699-1717
StatusUdgivet - 2014
Eksternt udgivetJa

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