Sciweavers

TIT
2010
110views Education» more  TIT 2010»
13 years 6 months ago
Secure communications with insecure feedback: breaking the high-SNR ceiling
A multiple-antenna Gaussian wiretap channel in which the number of antennas at the source is not greater than that at the eavesdropper is considered. Without feedback, the secrecy...
Tùng T. Kim, H. Vincent Poor
TIT
2011
112views more  TIT 2011»
13 years 6 months ago
On the Secure Degrees of Freedom of Relaying With Half-Duplex Feedback
—Secure communication protocols over a single-relay system in the presence of a multiple-antenna eavesdropper are investigated. When there is no direct link between the source an...
Thanh Tùng Kim, H. Vincent Poor
GLOBECOM
2010
IEEE
13 years 9 months ago
Providing Secrecy Irrespective of Eavesdropper's Channel State
A usual concern against physical layer security is that the legitimate parties would need to have (partial) channel state information (CSI) of the eavesdropper in order to design t...
Xiang He, Aylin Yener