Joint Trajectory and Power Allocation Design for Secure Artificial Noise Aided UAV Communications

no code implementations • journals 2021 • Milad Tatar Mamaghani, Graduate Student Member, and Yi Hong, Senior Member, IEEE

This paper investigates an average secrecy rate (ASR) maximization problem for an unmanned aerial vehicle (UAV) enabled wireless communication system, wherein a UAV is employed to deliver confidential information to a ground destination in the presence of a terrestrial passive eavesdropper.

On the Performance of Low-Altitude UAV-Enabled Secure AF Relaying with Cooperative Jamming and SWIPT

no code implementations • 17 Jun 2019 • Milad Tatar Mamaghani, Yi Hong

This paper proposes a novel cooperative secure unmanned aerial vehicle (UAV) aided transmission protocol, where a source (Alice) sends confidential information to a destination (Bob) via an energy-constrained UAV-mounted amplify-and-forward (AF) relay in the presence of a ground eavesdropper (Eve).

Information Theory Signal Processing Information Theory

Can a Multi-Hop Link Relying on Untrusted Amplify-and-Forward Relays Render Security?

no code implementations • 17 May 2019 • Milad Tatar Mamaghani, Ali Kuhestani, Hamid Behroozi

In our proposed secure transmission scheme, all the legitimate nodes contribute to providing secure communication by intelligently injecting artificial noises to the network in different communication phases.