In-band full duplex is a key concept brought up in 5G,of which the key technology is self-interference( SI) cancellation. Since digital cancellation is simpler,more flexible and more efficient among all the cancellation techniques,it has attracted much attention and become a promising way to reduce the cost,power consume as well as complexity. This paper firstly introduced the principle of the basic digital cancellation algorithm,namely,channel estimation and self-interference reconstruction. And then it ga...
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