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首页> 外文期刊>IEEE Transactions on Information Theory >Successive Refinement With Decoder Cooperation and Its Channel Coding Duals
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Successive Refinement With Decoder Cooperation and Its Channel Coding Duals

机译：解码器协作的连续细化及其信道编码对偶

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摘要

We study cooperation in multiterminal source coding models involving successive refinement. Specifically, we study the case of a single encoder and two decoders, where the encoder provides a common description to both the decoders and a private description to only one of the decoders. The decoders cooperate via cribbing, i.e., the decoder with access only to the common description is allowed to observe, in addition, a deterministic function of the reconstruction symbols produced by the other. We characterize the fundamental performance limits in the respective settings of noncausal, strictly causal, and causal cribbing. We use a coding scheme, referred to as Forward Encoding and Block Markov Decoding, which builds on one recently used by Cuff and Zhao for coordination via implicit communication. Finally, we use the insight gained to introduce and solve some dual-channel coding scenarios involving multiple-access channels with cribbing.
机译：我们研究涉及连续改进的多终端源编码模型中的合作。具体来说，我们研究单个编码器和两个解码器的情况，其中编码器为两个解码器提供一个公共描述，为一个解码器提供一个私有描述。解码器通过抄写进行协作，即，仅允许访问公共描述的解码器还可以观察由另一方产生的重构符号的确定性功能。我们在无因果，严格因果和因果ca缩的相应设置中描述了基本性能限制。我们使用一种称为前向编码和块马尔可夫解码的编码方案，该方案建立在Cuff和Zhao最近通过隐式通信进行协调的基础上。最后，我们使用获得的见解来介绍和解决一些涉及带有抄写的多路访问通道的双通道编码方案。

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