14 DAY TRIAL // Radio communications have been in use for decades upon decades, but there is one problem that was never solved, at least until now: self-interference.
A startup company from Stanford claims to have managed to crack this mystery.
Truth be told, it's not so much an issue as a limitation. Radio communications have been working just fine after all. It's just that self-interference limits data potential to half of what it could be.
Mostly because when trying to receive data on the same frequency, the sent signal is affected by the fact that the radio picks up outgoing signal at the same time.
The Stanford company, called Kumu Networks, came up with a technique named “full-duplex radio.”
This technique can send and receive data on the same frequency. A new circuit was created, which can predict how much interference a radio’s transmitted signal will create.
Based on the findings of the circuit, a signal is generated that cancels it out.
It will be hard to make it commercially feasible, since Kumu Networks has to come up with a way to compensate for all the signal bouncing that relays do these days, but it's a start. And double bandwidth is a very nice incentive if nothing else.