Author = Ashraf D. Elbayoumy
OTT VoIP over LTE vs. VoLTE End-to-End QoS using OPNET

Volume 11, 11th International Conference on Electrical Engineering ICEENG 2018, April 2018, Pages 1-14

Ashraf D. Elbayoumy; Mohamed Hussein; Salah F. Al-Ashry


A Novel S-box Substitution Technique for AES Algorithm

Volume 8, 8th International Conference on Electrical Engineering ICEENG 2012, May 2012, Pages 1-15

Faiz Yousif Mohamed; M. E. Gadallah; Alaa Eldin Rohiem; Ashraf Diaa Elbayoumy


Security evaluation of VoIP cryptographic algorithms

Volume 6, 6th International Conference on Electrical Engineering ICEENG 2008, May 2008, Pages 1-12

Faiz Yousif Mohmmed; Alaa Eldin Rohiem; Ashraf Diaa Elbayoumy


Region of interest-based medical image compression with application to MRI brain image

Volume 5, 5th International Conference on Electrical Engineering ICEENG 2006, May 2006, Pages 1-16

Ashraf D. Elbayoumy; Simon J. Shepherd