【摘要】 目前对于AdHoc网的研究主要集中在仿真与分析上,而缺乏理论上的计算与分析。本文在基于网络节点均匀分布的情况下,对AdHoc传感器网络的连接性进行了理论计算,在无干扰和有干扰环境下分别得出了通信路由中端到端平均误比特率(BER)和平均连接跳数(Hop)的精确表达式。结果表明:网络中节点分布密度存在门限值;如果低于此门限值,则网络中节点之间不能进行通信。更多还原

【Abstract】 Most current researches on ad hoc networks derive their conclusions from simulation results and empiric analysis, lacking theoretical calculation and analysis. On the assumption of nodes to be uniformly distributed, the connectivity of the ad hoc sensor networks is analyzed. Exact formulae for the end-to-end average bit error rate and average number of connected hops in the communication route are deduced separately for the interfering and noninterfering environments. It is shown that there exists the threshold in terms of the node spatial density value, and if below this threshold, communication between nodes canno’t be supported.更多还原