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Second-Order Coding Rates for Channels With State

机译:具有状态的信道的二阶编码率

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摘要

We study the performance limits of state-dependent discrete memoryless channels with a discrete state available at both the encoder and the decoder. We establish the ( varepsilon ) -capacity as well as necessary and sufficient conditions for the strong converse property for such channels when the sequence of channel states is not necessarily stationary, memoryless, or ergodic. We then seek a finer characterization of these capacities in terms of second-order coding rates. The general results are supplemented by several examples including independent identically distributed and Markov states and mixed channels.
机译:我们研究了状态相关的离散无记忆通道的性能极限,其中在编码器和解码器处都具有离散状态。当通道状态的序列不一定是平稳的,无记忆的或遍历的时,我们建立(varepsilon)-能力以及此类通道的强逆特性的必要和充分条件。然后,我们寻求根据二阶编码率来更好地表征这些容量。总体结果由几个示例补充,包括独立的均匀分布状态和马尔可夫状态以及混合通道。

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