50 citations · 149 across the 38 of their papers we have counts for
4 papers · 2 filters
The Deterministic Capacity of Relay Networks with Relay Private Messages
Ahmed A. Zewail, Y. Mohasseb, M. Nafie +1
We study the capacity region of a deterministic 4-node network, where 3 nodes can only communicate via the fourth one. However, the fourth node is not merely a relay since it can e…
On the Coexistence of a Primary User with an Energy Harvesting Secondary User: A Case of Cognitive Cooperation
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi +1
In this paper, we consider a cognitive scenario where an energy harvesting secondary user (SU) shares the spectrum with a primary user (PU). The secondary source helps the primary…
Achievable Degrees of Freedom Region of the MIMO Relay Networks using the Detour Schemes
Ahmed A. Zewail, M. Nafie, Y. Mohasseb +1
In this paper, we study the degrees of freedom (DoF) of the MIMO relay networks. We start with a general Y channel, where each user has antennas and aims to exchange messages…
The Deterministic Multicast Capacity of 4-Node Relay Networks
Ahmed A. Zewail, M. Nafie, Y. Mohasseb +1
In this paper, we completely characterize the deterministic capacity region of a four-node relay network with no direct links between the nodes, where each node communicates with t…