Cognitive radio is a desirable technique for secondary users to utilize the spectrum gray space. In order to avoid intolerable interference to primary users, the transmission powe...
—In this paper, we propose an analytical model to evaluate the hidden station effect on both non-saturation and saturation performance of the IEEE 802.11 Distributed Coordination...
The problem of distributed multiuser medium access of a hierarchical cognitive radio network with multiple primary and secondary users is considered. Each primary user has a licen...
MAHBOOB, AHMED M. Access Point-Coordinated Contention Resolution for Channel Access in Wireless LANs. (Under the direction of Assistant Professor Khaled A. Harfoush.) The most wid...
Ahmed M. Mahboob, Manjunath M. Prabhu, Khaled A. H...
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...