A Chaos-Based Encryption Scheme for DCT Precoded OFDM-Based Visible Light Communication Systems

<div>Comparison of the PAPRs of the precoded 16 QAM OFDM signals with and without chaos scrambling.</div>

Journal of Electrical and Computer Engineering

Figure 8: A Chaos-Based Encryption Scheme for DCT Precoded OFDM-Based Visible Light Communication Systems 