Authentication over noisy channels
IEEE Transactions on Information Theory
The Gaussian wiretap channel with noisy public feedback: breaking the high-SNR ceiling
Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
Secrecy capacity of Nakagami-m fading wireless channels in the presence of multiple eavesdroppers
Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
Secure communications with insecure feedback: breaking the high-SNR ceiling
IEEE Transactions on Information Theory
Multiple-input multiple-output Gaussian broadcast channels with common and confidential messages
IEEE Transactions on Information Theory
Control of wireless networks with secrecy
IEEE/ACM Transactions on Networking (TON)
Secure cooperative physical-layer coding for the internet of things
Proceedings of the International Workshop on Adaptive Security
| Hi-index | 755.02 |
We consider the MIMO wiretap channel, that is a MIMO broadcast channel where the transmitter sends some confidential information to one user which is a legitimate receiver, while the other user is an eavesdropper. Perfect secrecy is achieved when the transmitter and the legitimate receiver can communicate at some positive rate, while insuring that the eavesdropper gets zero bits of information. In this paper, we compute the perfect secrecy capacity of the multiple antenna MIMO broadcast channel, where the number of antennas is arbitrary for both the transmitter and the two receivers. Our technique involves a careful study of a Sato-like upper bound via the solution of a certain algebraic Riccati equation.