Hybrid pseudo-random noise and chaotic signal implementation for covert communication
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United States of America Patent
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Feb 4, 2014
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app pub date -
Sep 1, 2011
filing date -
Sep 1, 2011
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Abstract
A method and system for covert communication is provided by using a hybrid approach of pseudo-random noise (PN) sequencing with chaotic signals to make a transmitted waveform both hard to detect and hard to intercept by an unintended receiver. The method and system makes a covert communication system with chaotic signals practical for in-field use, including operation in a high noise power environment and allowing for easily changing between different security keys to maintain covertness.
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