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Physical integrity check in wireless relay networks

机译:无线中继网络中的物理完整性检查

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We propose a physical-layer technique for checking the integrity of information provided by the relay in wireless relay networks. The proposed approach, built on the theory of likelihood ratio test, exploits the physical-layer signal in detecting the data modification (false data injection) conducted by the relay. We show that the proposed approach can provide almost the same performance that can be provided by the ideal cryptographic technique that perfectly detects the data modification at the expense of significant computational complexity and protocol overhead.
机译:我们提出了一种物理层技术,用于检查无线中继网络中中继提供的信息的完整性。所提出的方法基于似然比测试的理论,利用物理层信号来检测中继器执行的数据修改(错误数据注入)。我们表明,所提出的方法可以提供与理想的加密技术可以提供的几乎相同的性能,该技术可以以显着的计算复杂性和协议开销为代价来完美地检测数据修改。

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