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posted by martyb on Thursday September 22 2016, @01:05PM   Printer-friendly
from the stop-interrupting-me dept.

Tech Review reports an "impossible" development, https://www.technologyreview.com/lists/innovators-under-35/2016/inventor/dinesh-bharadia/

Because the signal from broadcasting a radio transmission can be 100 billion times louder than the receiving one, it was always assumed that outgoing signals would invariably drown out incoming ones. That's why radios typically send and receive on different frequencies or rapidly alternate between transmitting and receiving. "Even textbooks kind of assumed it was impossible," Bharadia says.

Bharadia developed hardware and software that selectively cancel the far louder outgoing transmission so that a radio can decipher the incoming message. The creation of the first full-duplex radio, which eventually could be incorporated into cell phones, should effectively double available wireless bandwidth by simply using it twice.

Any bets on when this will make it to production, maybe as part of 7G(eneration) wireless? Or will the technology go black, used first by military?

And, does a person's name ever influence their career? "Bharadia" sounds awfully close to "bi-radio"...


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  • (Score: 4, Interesting) by Spook brat on Thursday September 22 2016, @04:43PM

    by Spook brat (775) on Thursday September 22 2016, @04:43PM (#405184) Journal

    I disagree; much of military radio protocol is based on the limitation of talk-or-listen-but-never-both that, until now, was considered inherent to radio operation. I'd be interested to see how that culture shifts after adoption of this new technique.

    Of course, it's likely that protocol would remain; there are advantages to a system where only one person talks at once, and I kinda doubt the .mil would want to lose that. At least, though, when SHTF and radio discipline breaks down, the radio operator would know that they're talking over someone else. That alone would be worth adopting full duplex radio in a military setting.

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