5 citations
2 papers
cs.NI2014★ 5 cited
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)…
cs.NI2013★ 4 cited
A Pricing-Based Cooperative Spectrum Sharing Stackelberg Game
Ramy E. Ali, Karim G. Seddik, Mohammed Nafie +1
We consider the problem of cooperative spectrum sharing among a primary user (PU) and multiple secondary users (SUs) under quality of service (QoS) constraints. The SUs network is…