计算机科学 ›› 2019, Vol. 46 ›› Issue (11A): 387-392.
袁培燕, 张豪
YUAN Pei-yan, ZHANG Hao
摘要: 在数据传输时,间歇性连接的移动机会网络一般不存在从源到目的地的完整路径。为了加快数据在网络中的传输速度,大量的多副本路由协议相继被提出,但是这些路由协议很少考虑能量问题。由于机会网络中移动设备能量受限,过多的消耗能量必将导致设备停止工作。基于上述情况,提出了一种移动机会网络节点不相交的路由方案,尽可能延长节点的存活时长。此外,利用二维连续时间马尔可夫链(CTMC)模型,分析了节点状态之间的变换,最后进行性能仿真与评价。实验结果表明,提出的方案相比于经典的工作,在投递率、平均传输延时、平均网络开销、能量以及平均跳数等方面有较大的改善。
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