Securing Delay-Tolerant IoT Uplink Communications Against Eavesdropping

Abstract : We consider a network of Internet of Things devices transmitting to an IoT Gateway (IoT-GW). Such communications can potentially be overheard by one or multiple eavesdroppers. Our goal is to design an artificial noise (AN)-aided transmit strategy in order to enhance security against eavesdropping. We propose a communication design where the potential eavesdrop- pers are deactivated by means of jamming operations performed by 1) an In-Band Full Duplex (IBFD) IoT-GW and/or by 2) cooperative helpers featuring multiple antennas. We show that the solution where only the IBFD IoT-GW generates AN is feasible for small IoT networks and when a neutralization zone around each IoT-device is assumed. In the case with helpers instead, we show that the Average number of Secure Connections (ASC) increases at least exponentially with the density of the helpers.
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Conference papers
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https://hal.telecom-paristech.fr/hal-02287874
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Submitted on : Friday, September 13, 2019 - 5:27:11 PM
Last modification on : Thursday, October 17, 2019 - 12:37:02 PM

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Stefano Iellamo, Raoul Guiazon, Marceau Coupechoux, Kai-Kit Wong. Securing Delay-Tolerant IoT Uplink Communications Against Eavesdropping. 3rd Cloudification of the Internet of Things Conference (CIoT 2018), Jul 2018, Paris, France. pp.1-8, ⟨10.1109/CIOT.2018.8627099⟩. ⟨hal-02287874⟩

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