具有共同输出的双向信道的可实现速率区域

2018 56th Annual Allerton Conference on Communication, Control, and Computing (Allerton) Pub Date : 2018-10-01 DOI:10.1109/ALLERTON.2018.8635930

Oron Sabag, H. Permuter

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引用次数: 10

摘要

在本文中，我们推导了具有共同输出的双向信道(TWC)的一个新的可实现速率区域。可实现的速率区域基于两个辅助有向图，这两个辅助有向图表示每个终端使用的信息。对于两个辅助图的任意选择，可达到的速率区域用单字母表达式表示。辅助图的退化选择，每个图都有一个节点，将新的可实现速率区域减少到香农的内界。我们还证明了可实现速率区域优于香农内界。使用来自Schalkwijk 82方案的输入分布，对二进制相乘信道(BMC)的实现速率进行了显式计算。

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An Achievable Rate Region for the Two-Way Channel with Common Output

In this paper, we derive a new achievable rate region for the two-way channel (TWC) with common output. The achievable rate region is based on two auxiliary directed graphs that represent the information that is used by each of the terminals. For any choice of the two auxiliary graphs, the achievable rate region is expressed with single-letter expressions. A degenerate choice of the auxiliary graphs, each with a single node, reduces the new achievable rate region to the Shannon’s inner bound. We also show that the achievable rate region outperforms the Shannon’s inner bound. This is shown with an explicit calculation of the achieved rate for the binary multiplying channel (BMC), using the inputs distribution from the Schalkwijk 82 scheme.

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2018 56th Annual Allerton Conference on Communication, Control, and Computing (Allerton)

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