Two-way Communication Channels
Two-way Communication Channels
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发表时间：
1961
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通讯作者：
C. Shannon
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作者：
C. Shannon
在端子2和y2处输入相应的输出。每秒钟，例如，可以从相应的输入字母中选择新的输入XI和X2，然后放入通道中；然后可以观察到输出Yi和Y2。这些输出将在统计上与输入有关，如果通道具有内存，则可能与以前的输入和输出有关。问题是要尽可能有效地通过通道向两个方向进行通信。特别是，我们希望以任意较小的误差概率来确定两个方向的信号速率R1和R2对。
input at terminal 2 and Y2 the corresponding output. Once each second, say, new inputs xi and x2 may be chosen from corresponding input alphabets and put into the channel; outputs yi and Y2 may then be observed. These outputs will be related statistically to the inputs and perhaps historically to previous inputs and outputs if the channel has memory. The problem is to communicate in both directions through the channel as effectively as possible. Particularly, we wish to determine what pairs of signalling rates R1 and R2 for the two directions can be approached with arbitrarily small error probabilities.