Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/98869
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Type: Journal article
Title: A cross-layer defense mechanism against GPS spoofing attacks on PMUs in smart grids
Author: Fan, Y.
Zhang, Z.
Trinkle, M.
Dimitrovski, A.
Song, J.
Li, H.
Citation: IEEE Transactions on Smart Grid, 2014; 6(6):2659-2668
Publisher: Institute of Electrical and Electronics Engineers
Issue Date: 2014
ISSN: 1949-3053
1949-3061
Statement of
Responsibility: 
Yawen Fan, Zhenghao Zhang, Matthew Trinkle, Aleksandar D. Dimitrovski, Ju Bin Song, Husheng Li
Abstract: Recent investigations have revealed the susceptibility of phasor measurement units (PMUs) to the time synchronization attack by spoofing its global positioning system (GPS). This paper proposes a cross-layer detection mechanism to fight against simul- taneous attacks toward multiple PMUs. In the physical layer, we propose a GPS carrier-to-noise ratio (C/No) based spoofing detec- tion technique. We apply the patch-monopole hybrid antenna to two GPS receivers and compute the difference between the stan- dard deviation of each receiver’s C/No. The priori probability of spoofing is calculated from the distributions of the difference. A counter is embedded in the physical layer to identify the most suspicious PMU. In the upper layer, the spoofing attack is consid- ered similarly to the bad data injection toward the power system. A trustworthiness evaluation, which is based on both the phys- ical layer information and power grid measurements, is applied to identify the PMU being attacked. An experiment has been carried to validate the proposed algorithm.
Keywords: Antenna radiation patterns; Global positioning System; Phasor measurement units; Physical layer; Power system security
Rights: © 2014 Institute of Electrical and Electronics Engineers
DOI: 10.1109/TSG.2014.2346088
Appears in Collections:Aurora harvest 3
Electrical and Electronic Engineering publications

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