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Distributed binary event detection under data-falsification and energy-bandwidth limitation

机译:数据篡改和能量带宽限制下的分布式二进制事件检测

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摘要

We address the problem of centralized detection of a binary event in the presence of falsifiable sensor nodes (SNs) (i.e., controlled by an attacker) for a bandwidth-constrained under-attack spatially uncorrelated distributed wireless sensor network (WSN). The SNs send their quantized test statistics over orthogonal channels to the fusion center (FC), which linearly combines them to reach a final decision. First (considering that the FC and the attacker do not act strategically), we derive (i) the FC optimal weight combining; (ii) the optimal SN to FC transmit power, and (iii) the test statistic quantization bits that maximize the probability of detection (Pd). We also derive an expression for the attacker strategy that causes the maximum possible FC degradation. But in these expressions, both the optimum FC strategy and the attacker strategy require a
机译:我们解决了在存在带宽受限的攻击下空间不相关的分布式无线传感器网络(WSN)的伪造传感器节点(SN)(即由攻击者控制)的情况下对二进制事件进行集中检测的问题。 SN通过正交信道将其量化的测试统计信息发送到融合中心(FC),融合中心将它们进行线性组合以得出最终决策。首先(考虑到FC和攻击者没有采取战略行动),我们得出(i)FC最佳权重组合; (ii)最佳SN到FC的发射功率,以及(iii)使检测概率(Pd)最大化的测试统计量化位。我们还为导致最大可能FC降级的攻击者策略导出了一个表达式。但是在这些表达式中,最佳FC策略和攻击者策略都需要一个

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