6. Beam Scanning based Secure Communication using Visible Light

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Authors:

Muhammad Saadi, Ali Nasir .

Abstract 

Recent advancements in wireless communi-cation provides an opportunity to connect to the internet without wires but at the cost of risks associated with data integrity and confidentiality. With the unprecedented growth of wireless applications, the security concerns in wireless communication are also touching the skies. In this paper, a novel approach has been presented which establishes a secure communication link using optical wireless communication. Secure transmission is attained by first scanning of beams of spatial diverse transmitters and then establishing the connection based on the feedback received from the receiver. For the downlink, we have used visible light a spectrum for communication and for uplink Infrared (IR) is used to avoid spectrum interference and visual inconvenience. A detailed investigation has been carried out for various step size (position) of the transmitters and its effect on shrinking the room area. Experimental results demonstrate that a secure communication link can be established using the proposed approach with less probability of interception when compared with conventional transmitters

Index Terms:

light emitting diodes, secure communi-cation, optical wireless communication

Cite this: Muhammad Saadi, Ali Nasir, “ Beam Scanning based Secure Communication using Visible Light ”, BUJICT Journal, Volume 10,  Issue, II December 2017, pp. 1-5.

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