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中文摘要：
网络编码在无线网络中的应用可以显著提高无线网络的吞吐量和容量。然而,当前大多数的无线网络编码机制在进行编码操作时,都没有考虑将不同长度的报文编码在一起时的效率问题。该文研究了在进行网络编码操作时如何获得最优的每字节编码效率,并设计了编码效率感知的无线网络编码机制（coDing Efficiency awarE Networkcoding,DEEN）,以提升每字节的编码效率。模拟结果表明,DEEN协议能够有效地提升无线网络的容量。
英文摘要：
Localized network coding is a promising technique to improve the performance of a wireless multihop network when multiple concurrent unicast sessions are present in the network.However,most existing mechanisms in this field do not consider the issue that the potential diversity in packet size has a big impact on the coding efficiency.In this paper,the issue of achieving optimal per-byte coding efficiency via localized network coding is studied.An efficient localized network coding mechanism is designed to provide high per-byte coding efficiency.Simulation results show that the designed mechanism can greatly improve the network throughput as compared with existing mechanisms.
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