Experimental Validation of Provably Covert Communication Using Software-Defined Radio

The fundamental information-theoretic limits of covert, or low probability of detection/intercept (LPD/LPI), communication have been extensively studied for over a decade, resulting in the <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">square root law</i> (SRL): only <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">L</i> √ <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://