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Sum Rate of the Vacationing-CEO Problem

机译:休假CEO问题的总和

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The vacationing chief executive officer (CEO) problem combines the salient features of the so-called CEO problem and the multiple-description (MD) problem. In this setting, noisy versions of a source are observed by two encoders, as in the CEO problem. In addition, we require that each encoder generate MDs of the source, as in the MD problem. The vacationing-CEO problem arises in asynchronous multicast networks, and solving it is an essential step in developing a general theory for multiencoder and multidecoder lossy compression. In this paper, an achievable sum rate and two sum rate lower bounds are presented for the quadratic Gaussian vacationing-CEO problem. These bounds exactly determine the optimal sum rate over a wide range of parameters.
机译:休假的首席执行官(CEO)问题结合了所谓的CEO问题和多描述(MD)问题的显着特征。在这种设置下,就像CEO问题一样,两个编码器会观察到源的噪声版本。另外,我们要求每个编码器都生成源的MD,就像MD问题一样。休假-CEO问题出现在异步多播网络中,解决该问题是开发多编码器和多解码器有损压缩通用理论的重要步骤。本文提出了二次高斯休假-CEO问题的可实现的总和率和两个总和率下界。这些界限精确地确定了各种参数上的最佳求和速率。

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