Image Transmission in Low-Power Networks in Mobile Communications Channel

This paper studies a vital issue in wireless communications, which is the transmission of images over Wireless Personal Area Networks (WPANs) through the Bluetooth network. It presents a simple method to improve the efficiency of error control code of old Bluetooth versions over mobile WPANs through Interleaved Error Control Code (IECC) technique. The encoded packets are interleaved by simple block interleaver. Also, the paper presents a chaotic interleaving scheme as a tool against bursts of errors which depends on the chaotic Baker map. Also, the paper proposes using the chaotic interleaver instead of traditional block interleaver with Forward Error Control (FEC) scheme. A comparison study between the proposed and standard techniques for image transmission over a correlated fading channel is presented. Simulation results reveal the superiority of the proposed chaotic interleaving scheme to other schemes. Also, the superiority of FEC with proposed chaotic interleaver to the conventional interleavers with enhancing the security level with chaotic interleaving packetby- packet basis.

Authors:

• M. A. M. El-Bendary
• H. Kazimian
• A. E. Abo-El-azm
• N. A. El-Fishawy
• F. El-Samie
• F. Shawki

Keywords:

• Mobile Bluetooth terminals
• WPANs
• Jackes' model
• Interleaving technique
• chaotic interleaver

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