计算机科学 ›› 2018, Vol. 45 ›› Issue (6): 96-99.doi: 10.11896/j.issn.1002-137X.2018.06.016
吴伟男, 刘建明
WU Wei-nan, LIU Jian-ming
摘要: 由于信道通信质量具有时变性,为了保障数据传送具备高可靠性,需要在低功耗传输网络中加入能量利用率更高的重传机制。低功耗无线传感器网络对数据实时性的要求不高,但整体能量有限,因此重传的时机及重传的有效性显得额外重要。在静态发送队列的基础上,提出一种可靠且稳定的动态重传算法。随机出现丢包的节点利用自身产生的随机数作为序列,将其添加到重传队列中。该算法利用随机生成发送时机的方式避免随机出现的通信不佳的情况。实践表明,动态重传算法在降低能耗的同时,能够提高数据传送的成功率。
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