Journal
SENSORS
Volume 9, Issue 6, Pages 4901-4917Publisher
MDPI
DOI: 10.3390/s90604901
Keywords
distributed joint source-channel coding; wireless sensor networks; multiple access channels; broadcast channels; information theory
Funding
- National Science Foundation of China [60702049, 60502036]
- National Science & Technology Pillar Program [2008bah37b04]
- 111 Project [B08004]
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Considering the fact that sensors are energy-limited and the wireless channel conditions in wireless sensor networks, there is an urgent need for a low-complexity coding method with high compression ratio and noise-resisted features. This paper reviews the progress made in distributed joint source-channel coding which can address this issue. The main existing deployments, from the theory to practice, of distributed joint source-channel coding over the independent channels, the multiple access channels and the broadcast channels are introduced, respectively. To this end, we also present a practical scheme for compressing multiple correlated sources over the independent channels. The simulation results demonstrate the desired efficiency.
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