Based on a scalar chaotic drive-response system, an efficient big data transmission scheme has been presented in this paper. In our method, the sender can modulate a great quantity of messages in the drive system using Walsh function, and the receiver can recover the original data using our proposed efficient reconstruction algorithm. To explore the feasibility and effectiveness, a series of simulations are performed and the results show that our proposed scheme outperforms some traditional approaches. This scheme has some potential applications in chaotic laser communication.
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