Ashraf D. Elbayoumy

LTE Authentication Protocol (EPS-AKA) weaknesses solution

Mohammed Abdrabou, Ashraf D. Elbayoumy, Essam Abd El-Wanis · 2015 · 36 citations

Computing, Computer Science, Information Technology +17

A Novel S-box of AES Algorithm Using Variable Mapping Technique

Faiz Mohammad, Alaa Eldin Rohiem, Ashraf D. Elbayoumy · International Conference on Aerospace Sciences and Aviation Technology · 2009 · 23 citations · Full text

Computing, Computer Engineering, Computer Science +14

Stream or Block Cipher for Securing VoIP

Ashraf D. Elbayoumy, Simon J. Shepherd · 2007 · 22 citations

Computing, Computer Science, Information Technology +16

Handover Optimization and User Mobility Prediction in LTE Femtocells Network

Mahmoud Mandour, Fayez Gebali, Ashraf D. Elbayoumy et al. · 2019 · 19 citations

Computing, Information Technology, Digital Communication +16

QoS Control Using an End-Point CPU Capability Detector in a Secure VoIP System

Ashraf D. Elbayoumy, Simon J. Shepherd · 2005 · 17 citations

Computing, Computer Engineering, Computer Science +8