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首页> 外文期刊>IEEE Transactions on Information Theory >Uncoded Transmission Is Exactly Optimal for a Simple Gaussian “Sensor” Network
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Uncoded Transmission Is Exactly Optimal for a Simple Gaussian “Sensor” Network

机译:对于简单的高斯“传感器”网络,非编码传输是最佳选择

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摘要

A single memoryless Gaussian source is observed by many terminals, subject to independent Gaussian observation noises. The terminals are linked to a fusion center via a standard Gaussian multiple-access channel. The fusion center needs to recover the underlying Gaussian source with respect to mean-squared error. In this correspondence, a theorem of Witsenhausen is shown to imply that an optimal communication strategy is uncoded transmission, i.e., each terminal's channel input is merely a scaled version of its noisy observation.
机译:不受独立的高斯观测噪声影响的许多终端都可以观测到一个无记忆的高斯源。终端通过标准的高斯多路访问通道链接到融合中心。融合中心需要就均方误差恢复基础的高斯源。在该对应关系中,示出了维森豪森定理,其暗示最佳通信策略是未编码的传输,即,每个终端的信道输入仅仅是其噪声观测的缩放形式。

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