论文标题
子速率线性网络编码
Sub-Rate Linear Network Coding
论文作者
论文摘要
不断增加的网络利用率通常被认为是通信的圣杯。在本文中，讨论了线性网络编码框架（LNC）中的子率编码和解码的概念，以用于单源多种源有限的无环网络。子结果编码为现有LNC提供了附加组件。它允许其最大流量小于源消息速率的水槽，称为\ emph {sub-rate接收器}，可以解码一部分传输消息的一部分，而不会降低最大最大lnc水槽的最大可实现速率，其最大流量等于（或更大）的速率比源节点的速率相等（或更大）。该文章通过制定节点（乃至网络）必须实现的条件来研究子率编码的理论方面，以使其符合合法的子结果水槽的资格。
Increasing network utilization is often considered as the holy grail of communications. In this article, the concept of sub-rate coding and decoding in the framework of linear network coding (LNC) is discussed for single-source multiple-sinks finite acyclic networks. Sub-rate coding offers an add-on to existing LNC. It allows sinks whose max-flow is smaller than the source message-rate, termed \emph{sub-rate sinks}, to decode a portion of the transmitted message without degrading the maximum achievable rate of LNC sinks whose max-flow is equal (or greater) than the rate of the source node. The article studies theoretical aspects of sub-rate coding by formulating the conditions a node (and indeed the network) must fulfill so as to qualify as a legitimate sub-rate sink.
