activity
20172022
most citedSecure Two-Way Transmission via Wireless-Powered Untrusted Relay and External Jammer

72 citations · 124 across the 10 of their papers we have counts for

collaborators

10 papers

eess.SP2022★ 2 cited

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

Vahid Shahiri, Hamid Behroozi, Ali Kuhestani

Physical layer key generation (PLKG) can significantly enhance the security of classic encryption schemes by enabling them to change their secret keys significantly faster and more…

eess.SP2020

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

Moslem Forouzesh, Paeiz Azmi, Ali Kuhestani +1

In this paper, we investigate joint information theoretic secrecy and covert communication in a single-input multi-output (SIMO) system where a transmitter (Alice) is communicating…

eess.SP2019★ 19 cited

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

Milad Tatar Mamaghani, Ali Kuhestani, Hamid Behroozi

Cooperative relaying is utilized as an efficient method for data communication in wireless sensor networks and the Internet of Things (IoT). However, sometimes due to the necessity…

eess.SP2018

Covert Transmission with Antenna Selection and Using an External Jammer

Morteza Sarkheil, Paeiz Azmi, Moslem Forouzesh +1

This paper adopts the antenna selection technique to enhance the covert rate in a wireless communication network comprised of a source, a destination , an external jammer and an ea…

cs.CR2018

Secure transmission with covert requirement in untrusted relaying networks

Moslem Forouzesh, Paeiz Azmi, Ali Kuhestani

In this paper, we study the problem of secure transmission with covert requirement in untrusted relaying networks. Our considered system model consists of one source, one destinati…

cs.IT2017★ 1 cited

Joint Relay Selection and Power Allocation in Large-Scale MIMO Systems with Untrusted Relays and Passive Eavesdroppers

Ali Kuhestani, Abbas Mohammadi, Mohammadali Mohammadi

In this paper, a joint relay selection and power allocation (JRP) scheme is proposed to enhance the physical layer security of a cooperative network, where a multiple antennas sour…

cs.CR2017

Optimal Power Allocation by Imperfect Hardware Analysis in Untrusted Relaying Networks

Ali Kuhestani, Abbas Mohammadi, Kai-Kit Wong +3

By taking a variety of realistic hardware imperfections into consideration, we propose an optimal power allocation (OPA) strategy to maximize the instantaneous secrecy rate of a co…

cs.CR2017

Optimal Power Allocation and Secrecy Sum Rate in Two-Way Untrusted Relaying

Ali Kuhestani, Phee Lep Yeoh, Abbas Mohammadi

In this paper, we examine the secrecy performance of two-way relaying between a multiple antenna base station (BS) and a single antenna mobile user (MU) in the presence of a multip…

cs.CR2017★ 30 cited

Secure two-way communication via a wireless powered untrusted relay and friendly jammer

Milad Tatar Mamaghani, Abbas Mohammadi, Phee Lep Yeoh +1

In this paper, we propose a self-dependent two-way secure communication where two sources exchange confidential messages via a wireless powered untrusted amplify-and-forward (AF) r…

cs.CR2017★ 72 cited

Secure Two-Way Transmission via Wireless-Powered Untrusted Relay and External Jammer

Milad Tatar Mamaghani, Ali Kuhestani, Kai-Kit Wong

In this paper, we propose a two-way secure communication scheme where two transceivers exchange confidential messages via a wireless powered untrusted amplify-and-forward (AF) rela…