广播频道和投入成本方信息

E. Haim, R. Zamir
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引用次数: 2

摘要

我们考虑了两个问题:第一个是输入受限通道,其中代价函数依赖于一个状态,而这个状态只有编码器知道。我们表明,该模型在理论方面和实际编码方面与具有失真侧信息的源编码问题相似。我们探讨了由于不知道解码器的成本状态而导致的容量损失,并表明在各种假设下它都很小。该模型在我们考虑的第二个问题——广播信道问题中发挥了重要作用。我们使用针对第一个问题开发的工具,探索了最著名的单字母可实现区域和真正容量区域之间的差距。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Broadcast Channels and Input-Cost Side Information
We consider two problems: the first one is input constrained channels where the cost function depends on a state, and the state is known only to the encoder. We show that this model is similar both in theoretical aspects and in practical coding aspects to the problem of source coding with distortion side information. We explore the capacity loss due to not knowing the cost state at the decoder and show that it is small under various assumptions. This model plays an important role in the second problem we consider, which is broadcast channel. We explore the gap between the best known single letter achievable region and the true capacity region, using tools developed for the first problem.
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