978 citations
- Michigan State UniversityUS47 papers
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Showing 2009 · cs.ITShow all
3 papers · 2 filters
cs.IT2009
Randomization for Security in Half-Duplex Two-Way Gaussian Channels
Aly El Gamal, Moustafa Youssef, Hesham El Gamal
This paper develops a new physical layer framework for secure two-way wireless communication in the presence of a passive eavesdropper, i.e., Eve. Our approach achieves perfect inf…
cs.IT2009
ARQ Secrecy: From Theory to Practice
Yara Omar, Moustafa Youssef, Hesham El Gamal
Inspired by our earlier work on Automatic Repeat reQuest (ARQ) secrecy, we propose a simple, yet efficient, security overlay protocol to existing 802.11 networks. Our work targets…
cs.IT2009★ 1 cited
The MIMO Wireless Switch: Relaying Can Increase the Multiplexing Gain
Hassan Ghozlan, Yahya Mohasseb, Hesham El Gamal +1
This paper considers an interference network composed of K half-duplex single-antenna pairs of users who wish to establish bi-directional communication with the aid of a multi-inpu…