Sunday 24th of September 2017
 

Enhanced Diffusion Encryption for Video Transmission over Mobile WiMax Networks


Mohamed Abdel-Azim Mohamed, Fayez Wanis Zaki and Awny Mohsen El-Mohandes

As a promising broadband wireless technology, WiMax has many salient advantages over such as: high data rates, quality of service, scalability, security, and mobility. Many sophisticated authentication and encryption techniques have been embedded into WiMax but it still exposes to various attacks in. In this paper, three proposed chaos encryption techniques were described for video transmission over Mobile WiMax as an enhancement of multimedia security problem in Mobile WiMax which use AES algorithm. At first, a global overview of the technology WiMax was given to determine the disadvantages of recently used encryption algorithm with video transmission. Then the proposed encryption techniques were presented with its chaos systems. Next, these proposed techniques and AES were applied to video to compare between them. It was found that when Henon and Baker maps are combined in one technique, it will have high speed and more robust to statistical and differential attacks, so we can say that this technique enhances the diffusion properties for video encryption.

Keywords: IEEE 802.16e, Security Sublayer, AES, Chaos and Encryption.

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ABOUT THE AUTHORS

Mohamed Abdel-Azim Mohamed
received the PhD degree in Electronics and Communications Engineering from the Faculty of Engineering- Mansoura University-Egypt by 2006. After that he worked as an assistant professor at the electronics & communications engineering department until now. He has 27 publications in various international journals and conferences. His current research interests are in multimedia processing, wireless communication systems, and field programmable gate array (FPGA) applications.

Fayez Wanis Zaki
was a Head of Electronics and Communication Engineering Department at Faculty of Engineering-Mansoura University-Egypt in the period from 2004 to 2007. He is a Professor Emeritus at Electronics and Communication Engineering Department at Faculty of Engineering-Mansoura University-Egypt until now.

Awny Mohsen El-Mohandes
received the B.Sc. in Electronics and Communications Engineering from the Faculty of Engineering- Mansoura University-Egypt by 2008. Currently he is pursuing his Master Degree in Mansoura University-Egypt. He worked as a demonstrator at the electronics & communications engineering department until now.


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