22 citations · 39 across the 10 of their papers we have counts for
7 papers · 2 filters
Power Control and Scheduling under Hard Deadline Constraints for On-Off Fading Channels
Ahmed Ewaisha, Cihan Tepedelenlioglu
We consider the joint scheduling-and-power-allocation problem of a downlink cellular system. The system consists of two groups of users: real-time (RT) and non-real-time (NRT) user…
Throughput Maximization in Multi-Channel Cognitive Radio Systems with Delay Constraints
Ahmed Ewaisha, Cihan Tepedelenlioglu
We study the throughput-vs-delay trade-off in an overlay multi-channel single-secondary-user cognitive radio system. Due to the limited sensing capabilities of the cognitive radio…
Delay Optimal Joint Scheduling-and-Power-Control for Cognitive Radio Uplinks
Ahmed Ewaisha, Cihan Tepedelenlioglu
An uplink cognitive radio system with a single primary user (PU) and multiple secondary users (SUs) is considered. The SUs have an individual average delay constraint and an aggreg…
Delay-Optimal Scheduling and Power Control for Instantaneous-Interference-Limited CRs
Ahmed Ewaisha, Cihan Tepedelenlioglu
We study an uplink multi secondary user (SU) cognitive radio system suffering statistical heterogeneity among SUs' channels. This heterogeneity may result in differentiated delay p…
Dynamic Scheduling for Delay Guarantees for Heterogeneous Cognitive Radio Users
Ahmed Ewaisha, Cihan Tepedelenlioglu
We study an uplink multi secondary user (SU) system having statistical delay constraints, and an average interference constraint to the primary user (PU). SUs with heterogeneous in…
Joint Scheduling and Power-Control for Delay Guarantees in Heterogeneous Cognitive Radios
Ahmed Ewaisha, Cihan Tepedelenlioğlu
An uplink multi secondary user (SU) cognitive radio system having average delay constraints as well as an interference constraint to the primary user (PU) is considered. If the int…