Researchers have created a headphone prototype that allows listeners to hear people speaking within a bubble with a programmable radius of 3 to 6 feet. Voices and sounds outside the bubble are quieted ...
Abstract: Existing works on artificial noise (AN) assisted covert backscatter communication (BC) assumed a jammer continuously transmitting AN, leading to the reduction of the reliability of the ...
Two eavesdropping modes of non-colluding and colluding Eves are considered. Additionally, access points (APs) inject artificial noise (AN) into confidential data signal to hamper the eavesdropping of ...
There are tons of noise-canceling earbuds on the market, but we tested the top options to help you narrow down your choices. Check out our top picks. Executive Editor David Carnoy has been a ...