Chaotic Modulation for Satellite Communications (SATCOM) Communications Systems
Next generation military communication beyond Increment 1 will need to operate in a number of hostile and complex environments. These communication needs include secure relay of imagery data, precedence communications, and dynamic reconfigurability to changing wireless attacks. With increasing use of unmanned Intelligence, Surveillance, and Reconnaissance (ISR) system, mission success has been come more intimately tie to the ability to communicate reliably and in a timely fashion. The research and subsequent hardware prototype from this research will address many of these needs. The chaos waveform is an inherently low probability of intercept (LPI)/ low probability of detect (LPD) waveform. The research conducted in Phase I of this SBIR and continued in Phase II has transformed these chaos waveform into highly effective and efficient communication waveforms. The chaotic waveform system developed will be able to operate as a secure satellite and airborne waveform as well as a fall back rate for tactical links when jamming prevents update of network situational awareness to the nodes. Additionally, the chaos waveform can be used to provide added security to narrowband legacy and/or commercial-off-the-shelf (COTS) waveforms. Last, the potential to use chaotic signal-in-space (CSiS) feature extraction as part of a hierarchical reasoning system is considered.
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