CAJ | 학술논문

可测量性是对Ad Hoc网络进行性能评价和网络管理的基础.文章提出了一种基于端到端多源测量的Ad Hoc网络内部链路丢失率的推测方法,基本思路是:首先利用链路拓扑快照捕获算法获得Ad Hoc网络端到端测量的窗口时间;建立Ad Hoc网络测量模型和链路丢失分析模型;然后在测量窗口时间内,采用多源测量方法实施端到端测量;最后根据采集到的测量样本、网络拓扑中节点间的相关性、链路丢失率分析模型以及数理统计理论推测Ad Hoc网络内部链路丢失率.仿真结果表明:采用基于多源测量的推测方法优于基于单源测量的推测方法,比较适合Ad Hoc网络内部链路性能推测.
가측량성시대Ad Hoc망락진행성능평개화망락관리적기출.문장제출료일충기우단도단다원측량적Ad Hoc망락내부련로주실솔적추측방법,기본사로시:수선이용련로탁복쾌조포획산법획득Ad Hoc망락단도단측량적창구시간;건립Ad Hoc망락측량모형화련로주실분석모형;연후재측량창구시간내,채용다원측량방법실시단도단측량;최후근거채집도적측량양본、망락탁복중절점간적상관성、련로주실솔분석모형이급수리통계이론추측Ad Hoc망락내부련로주실솔.방진결과표명:채용기우다원측량적추측방법우우기우단원측량적추측방법,비교괄합Ad Hoc망락내부련로성능추측.
The measurability is the basis for performance evaluation and management of Ad Hoc networks. We present an interior link loss rate inference algorithm for Ad Hoc networks on the basis of multi-source & multi-destination measurement method. The four steps of this algorithm are as follows: (1) obtain the measurement time window through a link topology snapshot algorithm; (2) build up a measurement model and link loss analysis model for Ad Hoc networks; (3) complete end-to-end multi-source & multi-destination measurement; (4) infer interior link loss rate of Ad Hoc networks according to measurement data sample, correlation among mobile nodes in Ad Hoc network topology, link loss analysis model and statistics theory. Results of simulation indicate that the loss rate inference algorithm based on multi-source & multi-destination measurement is better than that based on one-source & multi-destination measurement. In addition, because of its short computing time, the algorithm is adaptable to interior link performance inference for Ad Hoc networks.