采用S-MAC协议的无线传感器网络可用带宽估计算法 |
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引用本文: | 陈晨;高新波;裴庆祺.采用S-MAC协议的无线传感器网络可用带宽估计算法[J].华南理工大学学报(自然科学版),2010,38(1). |
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作者姓名: | 陈晨;高新波;裴庆祺 |
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作者单位: | 西安电子科技大学 |
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摘 要: | 提出一种利用串扰来估计采用了S-MAC的无线传感器网络中可用带宽的方法。传感器节点在使能串扰避免机制后,将收集到邻居节点的RTS/CTS/DATA/ACK分组中的网络分配矢量以表的形式记录在自己的缓存中,经过计算得到节点的可用带宽。仿真数值结果表明,所使用的可用带宽估计方法能够较为准确的预测S-MAC中节点周围的负载情况,竞争程度,为路由选择、负载均衡、多sink布置、优先级传输等策略提供参考。
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关 键 词: | 无线传感器网络 可用带宽 串扰 |
收稿时间: | 2009-4-7 |
修稿时间: | 2009-8-22 |
An Available Bandwidth Estimation Scheme In Wireless Sensor Network Employing S-MAC Protocol |
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Abstract: | An available bandwidth estimation scheme is proposed in wireless sensor networks which employ S-MAC as their MAC protocol.When overhearing mechanism is enable in S-MAC,we can estimate the sensor nodes’ available bandwith by stroing and handling the network allocation vector from RTS/CTS/DATA/ACK packets.Simulation results show that the introduced method can accurately reflect the information of load,contention round the investigated node and provide references for routing,load balance,muti-sink distribution and priority transmission. |
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Keywords: | wireless sensor network available bandwidth overhearing |
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