On the Role of Artificial Noise in Training and Data Transmission for Secret Communications

This paper considers the joint design of training and data transmission in physical-layer secret communications, and examines the role of artificial noise (AN) in both of these phases. In particular, AN in the training phase is used to prevent the eavesdropper from obtaining accurate channel state i...

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Veröffentlicht in:	IEEE transactions on information forensics and security 2017-03, Vol.12 (3), p.516-531
Hauptverfasser:	Ta-Yuan Liu, Shih-Chun Lin, Hong, Y.-W Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	Array signal processing artificial noise Channel estimation Coherence Data communication power allocation Resource management Secrecy Signal to noise ratio Training wiretap channel
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