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一种用于自适应跳频无线信道质量预测算法

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摘要 分析了2.4G频段无线信道增加节点的存储开销、滞后现象、质量丢包现象等缺点以及产生的原因,最大限度解决这些问题,提出了适合无线传感器网络实现的无线信道质量预测算法。算法综合利用RSSI(接收信号强度指示)和LQI(信道质量指示)构造出两个信道质量指标Sm和delta,分析它们的分布特征,通过符号化近似聚合方法把数据包的这两个数据映射到不同的符号,总结信道质量变差之前的符号作为模式,根据样本与模式之间的距离来确定信道质量变化的概率,达到信道质量预测的目的。
作者 邹斌
出处 《时代经贸》 2013年第12期161-161,共1页 TIMES OF ECONOMY & TRADE
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参考文献7

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