You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Sometimes inventions have surprising origins. Hedy Lamarr was a movie star in the golden age of ...

Optimal frequency-hopping sequence (FHS) design lies at the heart of modern spread-spectrum and multiple-access communication systems. By rapidly switching transmission frequencies according to a ...

New hardware could lead to wireless devices that identify and exploit unused transmission frequencies, using radio spectrum much more efficiently. New hardware could lead to wireless devices that ...

There’s a longer story you can read elsewhere, but actress Hedy Lamarr invented and patented a system to help prevent torpedoes from being jammed by using frequency hopping. Neither Hedy or her ...

Harris has introduced new capabilities in electronic counter-countermeasures (ECCM) that will enhance the information security and reliability of tactical communications for international armed forces ...

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We’ve seen a lot of hacks with the nRF24l01+ 2.4 GHz radio modules. The tiny chips pack a lot of bang for the buck. Since the radios can switch frequencies relatively quickly, [Shubham Paul] decided ...

MIT researchers have developed a novel transmitter that frequency hops for each individual 1 or 0 bit of a data packet – so once per microsecond for 1Mbit/s, “which is fast enough to thwart even the ...

Researchers at MIT have found a way to stump hackers who are trying to snag data from wireless signals. They've created a transmitter that moves data packets between different radio frequencies ...