50 citations · 149 across the 38 of their papers we have counts for
5 papers · 1 filter
A Probabilistic MAC for Cognitive Radio Systems with Energy Harvesting Nodes
Ramy E. Ali, Fadel F. Digham, Karim G. Seddik +3
In this paper, we consider a cognitive radio (CR) system where the secondary user (SU) harvests energy from both the nature resources and the primary user (PU) radio frequency(RF)…
On the Degrees of Freedom of SISO X-Channel with Alternating CSIT
Ahmed Wagdy, Amr El-Keyi, Tamer Khattab +1
In this paper, we establish the degrees of freedom (DoF) of the two-user single input single output (SISO) X-channel with alternating channel state information at the transmitters…
The asymmetric DoF Region for the 3-user MxN Interference Channel
Mohamed Khalil, Tamer Khattab, Amr El-Keyi +1
In this paper, the 3-user Gaussian MIMO interference channel is considered. The asymmetric distribution of the DoF, where different users have different number of DoF, is studied.…
Using Network Coding to Achieve the Capacity of Deterministic Relay Networks with Relay Messages
Ahmed A. Zewail, Yahya Mohasseb, Mohammed Nafie +1
In this paper, we derive the capacity of the deterministic relay networks with relay messages. We consider a network which consists of five nodes, four of which can only communicat…
A DoF-Optimal Scheme for the two-user X-channel with Synergistic Alternating CSIT
Ahmed Wagdy, Amr El-Keyi, Tamer Khattab +1
In this paper, the degrees of freedom (DoF) of the two-user single input single output (SISO) X-channel are investigated. Three cases are considered for the availability of channel…