期刊文献+

一种基于动态TDMA时隙分配的攻击方法研究与实现

Study and Implementation of An Attack Method Based on Dynamic TDMA Slot Assignment
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摘要 基于时分多址(Time Division Multipie Access)的MAC层协议在应用于AdHoc网络时,具有较好的稳定性,但同时也存在一些安全漏洞。文中在已有研究的基础上,进一步分析了TDMA帧结构,提出一种针对TDMA时间帧的攻击方法,并在NS2仿真平台上实现。通过前后网络性能的分析比较,可以看出该攻击效果明显,论证了攻击方法的可行性。论文的最后,我们针对该攻击,对相应的防御机制进行了分析和探讨。 Dynamic TDMA protocol has shown its security weakness while some strength is emphasized when applied in Ad Hoc networks. Based on the present researches, the structure of TDMA time frame is analyzed. What' s more, an attack on time slots is described and implemented on NS2 platform. It is clearly proved that the related performance of AdHocnetworks are affected so longas the attack is put into practice. And corresponding defense mechanisms are discussed finally in this paper.
出处 《信息安全与通信保密》 2009年第8期232-235,共4页 Information Security and Communications Privacy
基金 国家自然科学基金资助项目(60773041) 江苏省自然科学基金资助项目(BK2008451) 国家高科技863基金资助项目(2007AA012404、2007AA012478) 现代通信国家重点实验室基金(9140C1105040805) 江苏省博士后基金(0801019C) 江苏高校科技创新计划项目(CXOSB-085Z、CX08B086Z)和江苏省六人高峰人才项目资助.
关键词 无线自组织网络 时分多址 时隙 攻击 Ad hoc networks TDMA time slot attack
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