计算机科学 ›› 2015, Vol. 42 ›› Issue (Z6): 290-293.
张龙妹,陆 伟
ZHANG Long-mei and LU Wei
摘要: 提出一种无线传感器网络流量预报自适应占空比算法AdcbTP,该算法通过预报的流量值实现对SMAC协议中占空比的自适应控制。在宏观的工作周期尺度上采用流量预报获得理论占空比实现“粗略预估调控”,在微观的休眠/侦听周期尺度上执行对占空比的“精微增量调控”。经过NS2仿真实验采集流量数据后进行预报并和原始流量对比,发现该模型预报的流量与原始值偏差很小。能耗及时延分析结果表明,该算法在不损失传输时延的同时最大程度地降低了能耗。
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