Intelligent Reflecting Surface Assisted Secret Key Generation Under Spatially Correlated Channels in Quasi-Static Environments

no code implementations • 3 Dec 2022 • Vahid Shahiri, Hamid Behroozi, Ali Kuhestani

However, the impact of spatial correlation between the IRS elements is rarely studied.

Joint Information Theoretic Secrecy and Covert Communication in the Presence of an Untrusted User and Warden

no code implementations • 10 Jul 2020 • Moslem Forouzesh, Paeiz Azmi, Ali Kuhestani, Phee Lep Yeoh

We formulate an optimization problem with the aim of maximizing the average rate subject to a covert communication requirement and a secure communications constraint.

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.