Dynamic Physical-Layer Secured Link in a Mobile MIMO VLC System

Younus, Othman, Le Minh, Hoa, Dat, Pham Tien, Yamamoto, Naokatsu, Pham, Anh T. and Ghassemlooy, Zabih (2020) Dynamic Physical-Layer Secured Link in a Mobile MIMO VLC System. IEEE Photonics Journal, 12 (3). p. 7902814. ISSN 1943-0647

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Abstract

This paper proposes a novel approach to provide a privately secured multiple-input and multiple-output visible light communication (VLC) in the mobility conditions. In the proposed system, a private secured VLC link is adaptively allocated to a mobile user all the time thanks to the movement tracking assistance by a camera-based detection system. The generation of the dynamic location-based scrambling matrix will be introduced providing a secured communication zone within a full normal coverage illumination area. An extensive range of numerical evaluation and practical experiments is carried out to demonstrate and evaluate the proposed system performance in different environment configurations including the mobility, camera resolutions, link range, and environment light intensity. We demonstrate that the proposed system is fully capable of securely steering the information with respect to a receiver location with a high level of reliability.

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