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首页> 外文期刊>Information Theory, IEEE Transactions on >The Capacity Region of the Fading Interference Channel With a Relay in the Strong Interference Regime
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The Capacity Region of the Fading Interference Channel With a Relay in the Strong Interference Regime

机译：强干扰条件下带中继衰落干扰信道的容量区域

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摘要

The interference channel with a relay (ICR) is the fundamental building block of cooperation in wireless networks where there are multiple communicating pairs interfering with each other. This paper considers ICRs in which the links are subject to i.i.d. fading, and each node has channel state information (CSI) only on its incoming links (receive CSI). Two channel models are considered: phase fading and Rayleigh fading. Strong interference conditions are derived for the case where the links from the sources to the relay are good in the sense that the achievable region for decoding both messages at the relay contains the maximal achievable region at the destinations. This leads to the characterization of the capacity region for such scenarios. This is the first time the capacity region of the ICR is characterized for a nondegraded, noncognitive scenario, with a causal relay when all links are active.
机译：带有中继器（ICR）的干扰信道是无线网络中合作的基本构件，在无线网络中，存在多个相互干扰的通信对。本文考虑了链接受i.i.d约束的ICR。衰落，并且每个节点仅在其传入链路（接收CSI）上具有信道状态信息（CSI）。考虑了两个信道模型：相位衰落和瑞利衰落。在从源到中继的链路良好的情况下得出强干扰条件，在这种意义上，用于在中继处对两个消息进行解码的可实现区域包含目的地处的最大可实现区域。这导致了针对这种情况的能力区域的表征。这是ICR的容量区域首次针对非降级，非认知场景进行特征化，并且在所有链路均处于活动状态时使用因果中继。

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