32 citations · 53 across the 3 of their papers we have counts for
3 papers
cs.IT2007
The MIMOME Channel
Ashish Khisti, Gregory Wornell
The MIMOME channel is a Gaussian wiretap channel in which the sender, receiver, and eavesdropper all have multiple antennas. We characterize the secrecy capacity as the saddle-valu…
cs.IT2007★ 32 cited
Secure Transmission with Multiple Antennas: The MISOME Wiretap Channel
Ashish Khisti, Gregory Wornell
The role of multiple antennas for secure communication is investigated within the framework of Wyner's wiretap channel. We characterize the secrecy capacity in terms of generalized…
cs.IT2007★ 21 cited
Secure Broadcasting
Ashish Khisti, Aslan Tchamkerten, Gregory Wornell
Wyner's wiretap channel is extended to parallel broadcast channels and fading channels with multiple receivers. In the first part of the paper, we consider the setup of parallel br…