单跳无线传感器网络能量分析计算

该文研究单跳无线传感器网络系统能量消耗的理论模型及其分析计算.采用电磁场能量扩散理论、电路能量消耗理论和技术,得到传感器网络中用于感知的普通节点、数据汇聚和簇头节点的能量模型,以此为基础,获得单跳传感器网络的系统能量模型.将这些模型应用到以Motorola芯片所构成的传感器网络系统分析中,所计算的网络节点能量消耗同Motorola产品性能指标一致,并计算出单跳网络中最优簇头数目与节点总数目的关系,以及网络系统总能量和总节点数目的关系,两者都近似成线性缓慢变化的特征.该文研究结果对于无线传感器网络节点设计和系统设计都具有直接的参考价值.

Energy Analysis and Computation of Single-hop Wireless Sensor Networks

This paper studies the theoretical model and the analysis computation of energy consumption for single-hop wireless sensor networks. The energy diffusion theory of electromagnetic field and the circuit energy consumption theory are adopted to obtain the energy models of common sensing nodes, data aggregation and cluster head nodes in sensor networks. Based on this, a system energy model is further obtained for single-hop sensor networks. These models are applied to the system analysis of sensor networks composed of chips from Motorola company, and the energy consumption computation value is the same as that of the relative product performance parameters from Motorola. Moreover, the relationship between the number of optimum cluster head nodes and that of overall networks nodes, and the relationship between overall energy consumption and all the node numbers in sensor networks are computed. These two kinds of relationship are likely to change linearly and slowly. These analysis and computation results have direct reference value for nodes and system design of wireless sensor networks.