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- 2015
传感网中基于时间帧的信息场变速率模型
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Abstract:
该文在构造传感器网中的信息位势场时,出于实际应用考虑,提出一种基于时限调度方案的新可变速率方法,可以进一步减少碰撞和提高节能效果。该方法结合CSMA和TDMA功能的同时克服了原有缺点。时隙0作为前一个时隙通知附近节点通信的标志时刻,在前一个时隙发通知信息的时刻,每个节点都精确地知道临近节点的调度信息。此过程采用了多速率和能量调整方法,同时使用可接受速率而非最高速率传输数据来进一步达到节能目的。实验中在一个能量有效数据比率下,数据比率用于动态校正交通负荷类节约能量。实验证明,与Z-MAC相比该文的局部帧预调度和多速率的特点能达到更好的节能效果,在传感器网络中有很好的应用前景。
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