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Binary codes for packet error and packet loss correction in store and forward

机译:用于存储和转发中的包错误和包丢失纠正的二进制代码

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In this paper, we introduce a novel approach to correct packet errors and packet losses in store and forward by using binary error-correcting codes. Using a framework similar to what has been proposed for error control in random linear network coding, we investigate error control under two scenarios. First, we show that the Hamming metric is suitable for error control in the case of errors intrinsic to the network. Second, we investigate the case of an adversary on the network who erases and injects packets in order to corrupt the communication. Under this setting, we show that error correction is performed using a new metric, referred to as the modified Hamming metric. We then investigate using constant-weight codes and linear codes for error correction in store and forward. We thus show that the traditional approach of indexing the packets in order to recover their original order is a suboptimal restriction of our approach.
机译:在本文中,我们介绍了一种通过使用二进制纠错码来纠正存储和转发中的包错误和包丢失的新颖方法。使用类似于已提出的用于随机线性网络编码中的错误控制的框架,我们研究了两种情况下的错误控制。首先,我们证明了在网络固有错误的情况下,汉明度量适用于错误控制。其次,我们调查了网络上一个攻击者清除并注入数据包以破坏通信的情况。在此设置下,我们显示了使用新的度量标准(称为修改后的汉明度量标准)执行纠错。然后,我们研究使用恒定权重代码和线性代码对存储和转发中的错误进行纠正。因此,我们表明,索引数据包以恢复其原始顺序的传统方法是我们方法的次优限制。

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