【摘要】 介绍网络编码在无线中继网络中应用的研究进展,指出其2个典型应用场景是双向对传网络和组播重传网络。阐述研究中需要解决的关键问题:(1)设计具体的实现协议;(2)在实际网络条件下,采用网络编码后的网络容量及可达该容量的传输策略;(3)针对物理层网络编码,从混合信号中分离出需要的信号。此外,展望该应用的发展趋势。更多还原

【Abstract】 This paper introduces an overview of the applications of network coding in wireless relaying networks.Two typical scenarios of wireless network coding are two-way relay networks and multicast retransmission networks.Some key problems of network coding in wireless relaying networks are as follows:(1)Design implementations of wireless network coding;(2)Analyze the capacity of network coding and the corresponding transmission schemes in actual network environments;(3)Investigate how to separate the required signal from the mixed signal for physical layer network coding.Future work on network coding is also summarized.更多还原