The evolving explosion in high data rate services and applications will soon require the use
of untapped, abundant unregulated spectrum of the visible light for communications to …

The development of reliable and efficient techniques for protecting modern communications
systems becomes a very active research point which stimulates major challenges in the …

Wide usage of Orthogonal frequency division multiplexing (OFDM) in visible light
communication (VLC) systems aids in sharing immense multimedia files. But, an increase in …

The security of orthogonal-frequency-division-multiplexing-based passive optical network
(OFDM-PON) systems has been an important problem recently. In this paper, a time …

Physical-layer encryption has lately been highlighted as a promising security approach for
visible light communications (VLC). Orthogonal frequency-division multiplexing (OFDM) is …

Recently, physical-layer encryption was featured as a favorable security method for visible
light communications (VLCs). Generally, orthogonal frequency-division multiplexing (OFDM) …

The security in visible-light communication (VLC) networks has recently gained attention.
This work presents a hyperchaotic baseband frequency hopping method based on optical …

In recent trends, the image transmission over wireless communication system in 4G LTE
(Long Term Evolution) grow into a challenging task. OFDMA (Orthogonal Frequency …

In this paper, a two-layer image encryption scheme for a discrete cosine transform (DCT)
precoded orthogonal frequency division multiplexing (OFDM) visible light communication …

The security of orthogonal frequency division multiplexing-based passive optical network
(OFDM-PON) system has been an important and hot problem recently. In this paper, a two …