Achievable rates and capacity for Gaussian relay channels with correlated noises
Achievable rates and capacity for Gaussian relay channels with correlated noises
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具有相关噪声的高斯中继通道可实现的速率和容量
DOI：
10.1109/isit.2009.5205289
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发表时间：
2009
期刊：
影响因子：
--
通讯作者：
Shuguang Cui
中科院分区：
文献类型：
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作者：
A. Goldsmith;Jinhua Jiang;Shuguang Cui
我们研究了中继端和目的端加性噪声相关的高斯中继信道。我们得到了压缩转发和解码转发两种中继策略的可实现速率，并将它们彼此比较，并与容量上限进行比较，结果表明，在所有的信道增益和相关系数上，这两种方案都不是一致最优的。我们还推导了这些方案之一实现容量的信道增益和噪声相关性之间的具体关系，从而增加了容量已知的中继信道的类别。
We investigate the Gaussian relay channel where the additive noises at the relay and destination are correlated. We obtain achievable rates for the compress-and-forward and decode-and-forward relaying strategies, and compare them to each other and to the capacity upper bound.We show that neither scheme is uniformly best over all channel gains and correlation coefficients. We also derive specific relationships between the channel gains and noise correlations for which one of these schemes is capacity-achieving, thereby increasing the class of relay channels for which capacity is known.