Abstract
This paper focuses on the problem of Received Signal Strength (RSS) based secure node localization in cooperative scenarios, where there exist malicious nodes randomly varying their transmit powers. We first theoretically prove that isolating the malicious node cannot always reduce the localization error. Then a double-detection based secure localization mechanism is proposed. Different from traditional detection-and-isolation methods, in addition to the RSS variance-based attack detection, we add a range variance-based detection mechanism to determine whether to isolate the detected malicious node. Both simulation and experimental results show that the proposed method outperforms the detection-and-isolation method.
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