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Pilot Contamination for Active Eavesdropping

Zhou, Xiangyun, Maham, Behrouz, Hjorungnes, Are·2012·IEEE Transactions on Wireless Communications

Abstract

Existing studies on physical layer security often assume the availability of perfect channel state information (CSI) and overlook the importance of channel training needed for obtaining the CSI. In this letter, we discuss how an active eavesdropper can attack the training phase in wireless communication to improve its eavesdropping performance. We derive a new security attack from the pilot contamination phenomenon, which targets at systems using reverse training to obtain the CSI at the transmitter for precoder design. This attack changes the precoder used by the legitimate transmitter in a controlled manner to strengthen the signal reception at the eavesdropper during data transmission. Furthermore, we discuss an efficient use of the transmission energy of an advanced full-duplex eavesdropper to simultaneously achieve a satisfactory eavesdropping performance whilst degrading the detection performance of the legitimate receiver.

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Metadata

Authors
Zhou, X., Maham, B., & Hjorungnes, A.
Venue
IEEE Transactions on Wireless Communications
Published
2012-03
Volume
11
Issue
3
Pages
903-907
ISSN
1536-1276 (ISSN-L)
OpenAlex
W2035769579
Cited by
300
References
0
FWCI
7.73
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Pilot Contamination for Active Eavesdropping. https://app.cochat.ai/papers/10.1109/twc.2012.020712.111298
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Zhou, X., Maham, B., & Hjorungnes, A. (2012). Pilot Contamination for Active Eavesdropping. IEEE Transactions on Wireless Communications. https://doi.org/10.1109/twc.2012.020712.111298

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.