Monday, August 11, 2014

Full Duplex: A Fundamental Radio Tech Breakthrough

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Could double throughput, alleviate the spectrum crunch

It is generally accepted that we’re fast approaching the limits of what is possible with radio waves, due to numerous technical constraints that have plagued RF-based wireless networks since their inception over 100 years ago. But what if one of those constraints — perhaps the biggest — was blown away?

The constraint of the duplex

One of the most well-known constraints in RF that it is generally impossible to transmit and receive at the same time on the same frequencies because the act of transmission creates a massive amount of interference for the receiver, preventing the receiver from “hearing” the desired signal coming from the environment.

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