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首页> 外文期刊>International Journal of Security and Networks >Enhanced source location privacy mechanism for WSNs
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Enhanced source location privacy mechanism for WSNs

机译：增强WSN的源位置隐私机制

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摘要

Source location privacy in wireless sensor networks is an important security issue when a wireless sensor network is used in monitoring valuable assets or the source is a sensitive object. However, the open nature of a sensor network makes relatively easy for an adversary to detect message flows and trace back the message hop-by-hop to it source by moving in the reverse direction of the flows. Many schemes have been proposed recently to provide source location privacy but all performs poorly, because either with insufficient safety period or high energy consumption or data delivery delay. In this paper, after analysing privacy weakness of the cyclic entrapment method (CEM), we propose an enhanced scheme by introducing two mechanisms to provide strong location privacy against skilled adversary. The proposed strategy is principally based on false paths instead of loops and ensures that the arrival angle formed between the real and the real path is minimal. We evaluate our scheme based on two criteria: safety period, and ratio delivery. The simulation results show that our scheme improve safety period while keeping packets delivery ratio similar as in CEM method.
机译：无线传感器网络中的源位置隐私是在监控有价值的资产中使用无线传感器网络或源是敏感对象时的重要安全问题。然而，传感器网络的开放性使对手相对容易地检测消息流程并通过沿流的反向移动来追溯消息逐跳对IT源。最近已经提出了许多方案来提供源地点隐私，但所有这些都表现不佳，因为安全时期不足或高能耗或数据传递延迟。在本文中，在分析循环夹带方法的隐私弱点（CEM）之后，我们通过引入两个机制来提出增强的方案，以便为熟练的对手提供强大的位置隐私。所提出的策略主要基于假路径而不是环路，并确保在真实和实路之间形成的到达角是最小的。我们根据两个标准评估我们的计划：安全期和比率交付。仿真结果表明，我们的方案改善了安全时期，同时保持与CEM方法类似的数据包交付比。

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