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中文摘要：
针对传统卫星广播重传策略、链路高丢包率下的基于网络编码的广播重传策略和最大团策略的问题,提出了一种改进的基于网络编码的广播重传策略。理论分析及模拟测试结果证明了改进的基于网络编码的广播重传策略较好地解决了传统卫星广播重传策略信道占用率较高、重传次数较多的问题,链路高丢包率下的基于网络编码的广播重传策略不能达到重传性能最优的问题,保证了卫星通信中的组播数据的快速、可靠的发布。
英文摘要：
Aiming at problems of traditional satellite broadcasting retransmission scheme,high loss broadcasting retransmission approach based on network coding and maximum weight clique algorithm,an improved network-coding-based broadcasting retransmission scheme is presented.Simulation results indicate that compared with the traditional high loss broadcasting retransmission approach based on network coding,the proposed scheme solves the problem that the encoded packets can＇t be decoded by all receivers and the problem of the lower performance when the number of receivers is large,besides,compared with the maximum weight clique algorithm,computational overhead of the proposed scheme is low.
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