50 citations · 132 across the 22 of their papers we have counts for
4 papers · 2 filters
Cognitive Radio Transmission Strategies for Primary Erasure Channels
Ahmed El-Samadony, Mohammed Nafie, Ahmed Sultan
A fundamental problem in cognitive radio systems is that the cognitive radio is ignorant of the primary channel state and the interference it inflicts on the primary license holder…
Keys through ARQ: Theory and Practice
Yara Abdallah, Mohamed Abdel Latif, Moustafa Youssef +2
This paper develops a novel framework for sharing secret keys using the Automatic Repeat reQuest (ARQ) protocol. We first characterize the underlying information theoretic limits,…
HyberLoc: Providing Physical Layer Location Privacy in Hybrid Sensor Networks
Rania El-Badry, Ahmed Sultan, Moustafa Youssef
In many hybrid wireless sensor networks' applications, sensor nodes are deployed in hostile environments where trusted and un-trusted nodes co-exist. In anchor-based hybrid network…
Power Control for Maximum Throughput in Spectrum Underlay Cognitive Radio Networks
John Tadrous, Ahmed Sultan, Mohammed Nafie +1
We investigate power allocation for users in a spectrum underlay cognitive network. Our objective is to find a power control scheme that allocates transmit power for both primary a…