IET Communications, 2022 In this paper, a cooperative orthogonal frequency division multiplexing system with multiple untrusted amplify‐and‐forward relays is considered. Since there exists no direct link between source and user because of the shadowing effect, a positive system ...
Yifeng Jin +4 more
doaj +1 more source
Measurement-device-independent quantum key distribution over untrustful metropolitan network [PDF]
, 2015 Quantum cryptography holds the promise to establish an information-theoretically secure global network. All field tests of metropolitan-scale quantum networks to date are based on trusted relays.
Chen, Si-Jing +17 more
core +3 more sources
Secure communication via untrusted switchable decode-and-forward relay
2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC), 2017 In this paper, a practical power efficient technique is proposed for an untrusted decode-and-forward (DAF) based cooperative communication system to provide secure communication between the source and the destination. More specifically, a DAF relay, called switchable DAF (sDAF), is designed in such a way that it can be switched to amplify-and-forward ...
Furqan, Haji M. +2 more
openaire +3 more sources
Securing Relay Networks with Artificial Noise: An Error Performance-Based Approach
Entropy, 2017 We apply the concept of artificial and controlled interference in a two-hop relay network with an untrusted relay, aiming at enhancing the wireless communication secrecy between the source and the destination node.
Ying Liu +3 more
doaj +1 more source
Secure Two-Way Transmission via Wireless-Powered Untrusted Relay and External Jammer [PDF]
, 2018 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) relay in the presence of an external jammer.
Kuhestani, Ali +2 more
core +2 more sources
Successive relaying secure transmission scheme based on inter-relay interference cancellation
Tongxin xuebao, 2017 A secure scheme based on inter-relay interference cancellation was proposed to solve untrusted relay eavesdropping problem in successive relaying systems.First inter-relay interference between trusted relay and untrusted relay was exploited as artificial
Yi ZOU, Kai-zhi HUANG, Xiao-lei KANG
doaj +2 more sources
Joint Power Splitting and Secure Beamforming Design in the Wireless-powered Untrusted Relay Networks
, 2015 In this work, we maximize the secrecy rate of the wireless-powered untrusted relay network by jointly designing power splitting (PS) ratio and relay beamforming with the proposed global optimal algorithm (GOA) and local optimal algorithm (LOA). Different
Feng, Suili +5 more
core +1 more source
Side-channel-free quantum key distribution [PDF]
, 2012 Quantum key distribution (QKD) offers the promise of absolutely secure communications. However, proofs of absolute security often assume perfect implementation from theory to experiment.
A. S. Holevo +5 more
core +2 more sources
Secure two-way communication via a wireless powered untrusted relay and friendly jammer
, 2017 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) relay and friendly jammer (FJ).
Kuhestani, Ali +3 more
core +1 more source
Weak Secrecy in the Multi-Way Untrusted Relay Channel with Compute-and-Forward [PDF]
, 2014 We investigate the problem of secure communications in a Gaussian multi-way relay channel applying the compute-and-forward scheme using nested lattice codes.
Engelmann, Sabrina +3 more
core +1 more source