Location Verification Systems Based on Received Signal Strength With Unknown Transmit Power
Date
2018
Authors
Yan, Shihao
Peters, Gareth W.
Nevat, Ido
Malaney, Robert
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Volume Title
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Abstract
—In the context of location verification systems
(LVSs), this work proves that knowledge of a legitimate user’s
transmit power has no effect on the optimal performance of
an RSS-based LVS. Specifically, we prove that the detection
performance of a generalized likelihood ratio test (GLRT), where
the unknown transmit power is estimated, is identical to that of a
differential likelihood ratio test (D-LRT). Our analysis also proves
the asymptotic optimality of D-LRT for an RSS-based LVS with
unknown transmit power. These results are important for realworld
deployments of LVSs, since D-LRT incurs a significantly
lower implementation cost relative to GLRT.
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IEEE Communications Letters
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Journal article
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Open Access
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