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On Linear Network Coding

机译:关于线性网络编码

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Many recent papers study methods, bounds and limitations for linear network coding. We examine prior definitions of linearity in network coding and show their implications in terms of code design and performance. We demonstrate how codes with one notion of linearity can be used to build, in a distributed manner, codes with another notion of linearity. One such reduction provides a simple construction for convolutional multicast network codes. We also provide examples of networks for which convolutional network code design is significantly less complex than for any block code. Finally, we introduce the new class of filter-bank network codes of which all previous definitions of linear network codes are special cases. This work is motivated by discussions with Dr. Ralf Koetter.
机译:最近的许多论文研究线性网络编码的方法,界限和局限性。我们检查了网络编码中线性的先前定义,并从代码设计和性能方面展示了它们的含义。我们演示了如何使用一种线性概念的代码以分布式方式构建具有另一种线性概念的代码。一种这样的简化提供了卷积多播网络代码的简单构造。我们还提供了网络示例,对于这些示例,卷积网络代码设计的复杂度远低于任何块代码。最后,我们介绍一类新的滤波器组网络代码,其中所有以前的线性网络代码定义都是特殊情况。与Ralf Koetter博士的讨论激发了这项工作。

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