| 摘要: |
| 将无线传感器网络寿命定义为?及?的函数,即LT=f(μ ,?),其中,?是传输一个单位数据至基站(base station,简称BS)或接收点(sink)的平均能耗,?代表在二维WSN区域内的流量分布.基于上述模型,详尽地分析了3个著名路由协议的网络寿命.使用文中提出的方法,可以计算无线传感器网络中任意位置、任意时间的平均能耗率.所提出的方法已由仿真结果验证. |
| 关键词: 寿命分析 无线传感器网络 路由协议 流量函数 失效模型 边界效应 |
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| 基金项目:Supported by the National Natural Science Foundation of China under Grant No.60473090 (国家自然科学基金); the National 11th Five-Year-Supproting-Plan of China under Grant No.2006BAH02A0407 (国家“十一五”支撑计划); the Trustworth-iSpace Project in University of Electronic Science and Technology of China (电子科技大学可信智能空间项目) |
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| Lifetime Analysis on Routing Protocols of Wireless Sensor Networks |
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LU Gang,ZHOU Ming-Tian,SHE Kun,NIU Xin-Zheng,LIU Heng,ZHENG Fang-Wei
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| Abstract: |
| In this paper, the lifetime of wireless sensor networks (WSNs) is modeled as a function of μ and , i.e. LT=f(μ,?), where ? is the mean value of energy dissipation when transmit one unit data to a base station or sink, and ? denotes the flow distribution in a 2D WSN area. The lifetime analysis for three famous routing protocols is presented in detail based on the model mentioned above. With the methods proposed in this paper, the average energy dissipation rate of anywhere and anytime in WSNs can be calculated. The metrics presented in this paper has been validated by simulation results. |
| Key words: lifetime analysis WSNs routing protocol flow function failuremodel boundary effect |
