5 citations · 10 across the 3 of their papers we have counts for
3 papers
DDSAT: Distributed Dynamic Spectrum Access Protocol Implementation Using GNURadio and USRP
Medhat H. M. Elsayed, Amr A. El-Sherif, Amr Mohamed
Frequency spectrum is one of the valuable resources in wireless communications. Using cognitive radio, spectrum efficiency will increase by making use of the spectrum holes. Dynami…
Cognitive Radio Networks with Probabilistic Relaying: Stable Throughput and Delay Tradeoffs
Mahmoud Ashour, Amr A. El-Sherif, Tamer ElBatt +1
In this paper, we study and analyze fundamental throughput and delay tradeoffs in cooperative multiple access for cognitive radio systems. We focus on the class of randomized coope…
A Soft Sensing-Based Cognitive Access Scheme Exploiting Primary Feedback
Ahmed M. Arafa, Karim G. Seddik, Ahmed K. Sultan +2
In this paper, we examine a cognitive spectrum access scheme in which secondary users exploit the primary feedback information. We consider an overlay secondary network employing a…