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Covert underwater communication through cepstrum modulation mimicking Pseudorca crassidens whistles using machine learning
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Journal Article
Covert underwater communication through cepstrum modulation mimicking Pseudorca crassidens whistles using machine learning
2026
Overview
The increasing demand for clandestine communication in underwater acoustic environment reflects the remarkable growth of research in underwater acoustic communication and networking. Mariners are driven to transmit information covertly in the ocean keeping it hidden from unfriendly users and intruders. This research introduces a novel technique of covert underwater acoustic communication that mimics false killer whale whistles. The secret information is embedded using cepstrum transform to imitate
Pseudorca crassidens
whistles. This covert communication can be achieved even in the presence of eavesdroppers, who are unable to recognize the communication signal due to unique watermarking characteristics. The proposed model uses machine learning to assess imperceptibility and demonstrates exceptional robustness and improved capacity. To validate the model for secure communication and networks, underwater experiments were conducted, resulting in superior bit error rate and high watermark capacity with a perfect low probability of recognition constraint covert communication.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
