Waheed K. Zahra

32 papers C 4Journal 23Unranked 5

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Lyapunov optimization-based power control policy for time-critical applications in a hybrid cognitive radio IoT network. Ad Hoc Networks Mohamed F. El-Sherif, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2025	J	`jnl`	Minimizing Age of Information in Multi-Class Systems Using an Elapsed-Time-Based Hybrid Service Discipline. IEEE Open J. Commun. Soc. Tamer E. Fahim, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2025	—	`conf`	Optimizing Age of Information for Energy Harvesting Systems Using an Energy-Aware Hybrid Preemptive/Non-Preemptive Discipline. ICT Tamer E. Fahim, Ahmed H. Abd El-Malek, Waheed K. Zahra, Sherif I. Rabia
2025	—	`conf`	Secrecy Performance Analysis of AmBC-assisted MEC System with Backscatter Device Selection. VCC Ahmed N. Elbattrawy, Mohamed G. Abd El Ghafour, Ahmed H. Abd El-Malek, Sherif I. Rabia, Waheed K. Zahra
2024	J	`jnl`	A new approach for recovering the gradient and a posteriori error estimates. Comput. Math. Appl. Mohamed Barakat, Waheed K. Zahra, Ahmed Elsaid
2024	—	`conf`	Age of Information Optimization Using a Hybrid Preemptive/Non-Preemptive Discipline. VTC Fall Tamer E. Fahim, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2024	J	`jnl`	Age of information minimization in hybrid cognitive radio networks under a timely throughput constraint. Perform. Evaluation Mohamed F. El-Sherif, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2024	J	`jnl`	Analyzing the age of information in prioritized status update systems under an interruption-based hybrid discipline. Perform. Evaluation Tamer E. Fahim, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2024	J	`jnl`	Enhancing information freshness in multi-class mobile edge computing systems using a hybrid discipline. Computing Tamer E. Fahim, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2024	J	`jnl`	Mosquito suppression via Filippov incompatible insect technique. Appl. Math. Comput. Doaa M. Fawzy, Ayman A. Arafa, Ahmed Elsaid, Waheed K. Zahra
2024	—	`conf`	Packet Drop Rate Minimization with AoI Constraint in an Energy-Harvesting Cognitive Radio Network. VTC Fall Mohamed F. El-Sherif, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2024	—	`conf`	Secrecy Performance of Joint Antenna and User Selection in Cognitive Ambient Backscattering Communications. VTC Fall Ahmed N. Elbattrawy, Ahmed H. Abd El-Malek, Sherif I. Rabia, Waheed K. Zahra
2024	J	`jnl`	Security-reliability trade-off analysis for transmit antenna selection in cognitive ambient backscatter communications. Perform. Evaluation Ahmed N. Elbattrawy, Ahmed H. Abd El-Malek, Sherif I. Rabia, Waheed K. Zahra
2023	J	`jnl`	Model-based Bayesian reinforcement learning for enhancing primary user performance under jamming attack. Ad Hoc Networks Ahmed N. Elbattrawy, Ahmed H. Abd El-Malek, Sherif I. Rabia, Waheed K. Zahra
2022	C	`conf`	A Modified Polynomial Preserving Recovery Technique. SIMULTECH Mohamed Barakat, Waheed K. Zahra, Ahmed Elsaid
2022	C	`conf`	Analyzing Age of Information in Prioritized Status Update Systems using Probabilistic Hybrid Discipline. SIMULTECH Tamer E. Fahim, Sherif I. Rabia, Ahmed H. Abd El-Malek, Waheed K. Zahra
2022	J	`jnl`	Stability analysis of COVID-19 model with fractional-order derivative and a delay in implementing the quarantine strategy. J. Appl. Math. Comput. M. M. Hikal, M. M. A. El-Sheikh, Waheed K. Zahra
2021	C	`conf`	Cooperative Spectrum Sharing Scheme for Enhancing Primary User Performance under Denial of Service Attack. SIMULTECH Ahmed N. Elbattrawy, Ahmed H. Abd El-Malek, Sherif I. Rabia, Waheed K. Zahra
2021	C	`conf`	Dynamic Spectrum Access for RF-powered Ambient Backscatter Cognitive Radio Networks. SIMULTECH Ahmed Y. Zakariya, Sherif I. Rabia, Waheed K. Zahra
2021	J	`jnl`	Optimal decision making in multi-channel RF-powered cognitive radio networks with ambient backscatter capability. Comput. Networks Ahmed Y. Zakariya, Sherif I. Rabia, Waheed K. Zahra
2019	J	`jnl`	Exponentially fitted methods for solving time fractional nonlinear reaction-diffusion equation. Appl. Math. Comput. Waheed K. Zahra, Mahmoud A. Nasr, Marnix Van Daele
2019	J	`jnl`	Exponentially fitted methods for solving two-dimensional time fractional damped Klein-Gordon equation with nonlinear source term. Commun. Nonlinear Sci. Numer. Simul. Waheed K. Zahra, Mahmoud A. Nasr
2019	J	`jnl`	Rational spline-nonstandard finite difference scheme for the solution of time-fractional Swift-Hohenberg equation. Appl. Math. Comput. Waheed K. Zahra, Samah M. Elkholy, M. Fahmy
2017	J	`jnl`	Discrete spline methods for solving two point fractional Bagley-Torvik equation. Appl. Math. Comput. Waheed K. Zahra, Marnix Van Daele
2012	J	`jnl`	Quadratic spline solution for boundary value problem of fractional order. Numer. Algorithms Waheed K. Zahra, Samah M. Elkholy
2012	J	`jnl`	The Use of Cubic Splines in the Numerical Solution of Fractional Differential Equations. Int. J. Math. Math. Sci. Waheed K. Zahra, Samah M. Elkholy
2011	J	`jnl`	A smooth approximation based on exponential spline solutions for nonlinear fourth order two point boundary value problems. Appl. Math. Comput. Waheed K. Zahra
2011	J	`jnl`	Finite-difference technique based on exponential splines for the solution of obstacle problems. Int. J. Comput. Math. Waheed K. Zahra
2009	J	`jnl`	Exponential spline solutions for a class of two point boundary value problems over a semi-infinite range. Numer. Algorithms Waheed K. Zahra
2008	J	`jnl`	A class of methods based on a septic non-polynomial spline function for the solution of sixth-order two-point boundary value problems. Int. J. Comput. Math. Mohamed A. Ramadan, I. F. Lashien, Waheed K. Zahra
2008	J	`jnl`	High order accuracy nonpolynomial spline solutions for 2muth order two point boundary value problems. Appl. Math. Comput. Mohamed A. Ramadan, I. F. Lashien, Waheed K. Zahra
2007	J	`jnl`	Polynomial and nonpolynomial spline approaches to the numerical solution of second order boundary value problems. Appl. Math. Comput. Mohamed A. Ramadan, I. F. Lashien, Waheed K. Zahra