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Distributed Joint Source-Channel Coding in Wireless Sensor Networks

机译:无线传感器网络中的分布式联合源信道编码

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摘要

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.
机译:考虑到传感器受能量限制以及无线传感器网络中的无线信道状况这一事实,迫切需要一种具有高压缩比和抗噪声特性的低复杂度编码方法。本文回顾了可以解决此问题的分布式联合源信道编码方面的进展。从理论到实践,分别介绍了在独立信道,多个访问信道和广播信道上的分布式联合源信道编码的主要现有部署。为此,我们还提出了一种在独立通道上压缩多个相关源的实用方案。仿真结果证明了期望的效率。

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