具有侧信息的可靠合作源传输

2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks Pub Date : 2007-07-01 DOI:10.1109/ITWITWN.2007.4318024

Deniz Gündüz, E. Erkip

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引用次数: 24

摘要

我们考虑在合作中继广播信道上离散无记忆信源的可靠传输，其中中继和目的终端都希望重构信源;在中继信道上，只有目的终端希望获得无损重构。我们假设中继和目的地都有相关的侧信息。我们找到了一般协作中继广播信道和物理降级中继信道的充要条件，当目的端信息是降级版本的中继侧信息时。我们的可实现性结果是基于操作源信道分离。我们利用源码和信道码，它们仅通过将解码的源码字从一个块传递到另一个块来相互作用。

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Reliable Cooperative Source Transmission with Side Information

We consider reliable transmission of a discrete memoryless source over a cooperative relay broadcast channel, where both the relay and the destination terminals want to reconstruct the source; and over a relay channel, where only the destination terminal wishes to obtain a lossless reconstruction. We assume that both the relay and the destination have correlated side information. We find the necessary and sufficient conditions for a general cooperative relay broadcast channel, and for a physically degraded relay channel when the side information at the destination is a degraded version of the relay side information. Our achievability results are based on operational source-channel separation. We utilize source and channel codes that interact only by passing along decoded source codewords from one block to another.

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来源期刊

2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks

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