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 ...

Metamaterials are getting significant attention in the research community for the last few decades due to their unique electromagnetic characteristics. The metamaterial structures usually belong to ...

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 ...

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 ...

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 ...

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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 ...

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 ...