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This paper addresses digital self-interference cancellation in a full-duplex radio under the distortion of practical RF components. Essential self-interference signal models under different RF imperfections are first presented, and then used to formulate widely linear, nonlinear and augmented nonlinear digital canceler structures. Furthermore, a general parameter estimation procedure based on least...
Exploiting new technologies will be vital in meeting the demanding requirements of 5G radio access. Flexible duplexing architectures will be a key enabling technology in 5G handsets, virtualising the radio spectrum, reducing cost, and increasing link capacity through full duplex radio communication. The tunability, low cost and small form factor of Electrical Balance (EB) duplexing technology makes...
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