The US Naval Research Laboratory (NRL) is developing an affordable wireless communications waveform that can stand up against enemy interference, enabling personnel to operate their radios in contested environments.
To enable continuous operations in an anti-access/area denial (A2/AD) environment the NRL has developed the Slow Hopping Anti-jam Waveform (SHAW), a jam-resistant, low detectability waveform that can be implemented on inexpensive hardware, according to the lab.
"SHAW is a frequency-hopping protocol that hops unpredictably over at least 20 1 MHz channels spread out across multiple gigahertz [GHz]," NRL representatives said.
The objective of the SHAW programme is to avoid duplicating what today's frequency hoppers do - hop very quickly - as this requires expensive hardware, Andrew Robertson, communications and networks research scientist at the NRL told IHS Jane's.
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