IMAGE TRANSMISSION WITH ADAPTIVE POWER AND RATE ALLOCATION OVER FLAT FADING CHANNELS USING JOINT SOURCE CHANNEL CODING

Greg Harald Håkonsen; Tor A. Ramstad; Anders Gjendemsjø

doi:10.5220/0002088601580163

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IMAGE TRANSMISSION WITH ADAPTIVE POWER AND RATE ALLOCATION OVER FLAT FADING CHANNELS USING JOINT SOURCE CHANNEL CODING

Greg Harald Håkonsen Tor A. Ramstad Anders Gjendemsjø

Year: 2006 Pages: 158-163

DOI: 10.5220/0002088601580163

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Abstract

A joint source channel coder (JSCC) for image transmission over flat fading channels is presented. By letting the transmitter have information about the channel, and by letting the code-rate vary slightly around a target code-rate, it is shown how a robust image coder is obtained by using time discrete amplitude continuous symbols generated through the use of nonlinear dimension changing mappings. Due to their robustness these mappings are well suited for the changing conditions on a fading channel.

Keywords:

Fading Computer science Robustness (evolution) Channel (broadcasting) Transmitter Channel code Coding (social sciences) Transmission (telecommunications) Channel state information Algorithm Decoding methods Electronic engineering Telecommunications Mathematics Wireless Statistics Engineering

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Topics

Advanced Data Compression Techniques

Physical Sciences → Computer Science → Computer Vision and Pattern Recognition

Advanced Wireless Communication Techniques

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Wireless Network Optimization

Physical Sciences → Engineering → Electrical and Electronic Engineering

IMAGE TRANSMISSION WITH ADAPTIVE POWER AND RATE ALLOCATION OVER FLAT FADING CHANNELS USING JOINT SOURCE CHANNEL CODING

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