Results 61 to 70 of about 359 (162)
Secrecy Performance of a Multi-NOMA-MIMO System in the UEH Relaying Network Using the PSO Algorithm
IEEE Access, 2021 In this paper, we investigate the secrecy performance of the nonorthogonal multiple access (NOMA) system in an untrusted relaying energy harvesting (UEH) network with the multiple-input multiple-output (MIMO) architecture using the maximum ratio ...
Thi Le Anh, Ic Pyo Hong
doaj +1 more source
Decentralised Ledger Solutions for Scalable and Trustworthy Resource Management During Disasters
IET Blockchain, Volume 6, Issue 1, January/December 2026.We propose a decentralized blockchain‐based framework for disaster resource management integrating smart contracts, IoT oracles and role‐based access control to enhance efficiency, transparency and trust. A hybrid public–permissioned architecture enables secure stakeholder coordination, real‐time tracking and automated allocation while addressing ...
Talluri Lakshmi Siva Rama Krishna +2 more
wiley +1 more source
Weak Secrecy in the Multiway Untrusted Relay Channel With Compute-and-Forward [PDF]
IEEE Transactions on Information Forensics and Security, 2015 We investigate the problem of secure communications in a Gaussian multi-way relay channel applying the compute-and-forward scheme using nested lattice codes. All nodes employ half-duplex operation and can exchange confidential messages only via an untrusted relay. The relay is assumed to be honest but curious, i.e., an eavesdropper that conforms to the
Johannes Richter +3 more
openaire +2 more sources
A Review of Offline Blockchain Transaction Systems
IET Blockchain, Volume 6, Issue 1, January/December 2026.Blockchain systems currently rely on constant network connectivity, which limits their utility in remote areas, during network outages or cyber attacks. This paper presents the first systematic study on offline blockchain implementations, analyzing their security and privacy challenges.
Srivatsav Chenna, Christian Prehofer
wiley +1 more source
Secure transmission in an unfriendly environment
ICT Express, 2020 This work investigates and show the performance of destination assisted node in ensuring secure communication in a dual-hop broadcast system. The information transmission occurs between the transmitters which are assumed to be equipped with single ...
Lukman A. Olawoyin +6 more
doaj +1 more source
Dual IRS‐Assisted Secure Communication for Untrusted Two‐Way AF Relay Network
IET Communications, Volume 20, Issue 1, January/December 2026.To address the performance loss caused by the difficulty of balancing phase configuration requirements in single‐IRS‐assisted asymmetric bidirectional secure relay communication, this paper proposes a dual‐IRS collaborative optimization framework. Specifically, each user is configured with a dedicated IRS to enable personalized signal reflection, and ...
Yibo Wang, An Li, Lisu Yu, Kaijun Peng
wiley +1 more source
A Lightweight, Secure and Reliable Geographic Routing Protocol for Urban VANETs
IET Communications, Volume 20, Issue 1, January/December 2026.This paper proposes a Lightweight Secure and Reliable Geographic Routing (LSRGR) protocol. The protocol operates in two phases: (i) a greedy forwarding strategy with location verification, which leverages key urban routing parameters to select the most reliable forwarder and employs a recovery mechanism against routing failures, and (ii) reliable route
Ahmed N. Hassan +3 more
wiley +1 more source
Quantum Key Distribution Networks Design: Overview and Challenges
IET Quantum Communication, Volume 7, Issue 1, January/December 2026.This paper explores the potential of using established QKD network design techniques in the context of quantum key distribution, which is based on the principles of quantum mechanics. ABSTRACT Quantum cryptography has increasingly attracted interest from both industry and academia for its potential in real‐world applications.
Pankaj Kumar +2 more
wiley +1 more source
Secure communications with untrusted relays: a multi‐pair two‐way relaying approach
IET Communications, 2018 Physical‐layer security is usually ensured by the injection of artificial noise (AN) at the legitimate source or destination when relays are cooperative but untrusted. In this work, in order to avoid the power‐consuming AN at the legitimate user pairs, the authors investigate multi‐pair two‐way relaying as a solution for secure transmission in wireless
Tantan Zhao +3 more
openaire +1 more source
Device‐Independent Quantum Key Distribution: Protocols, Quantum Games and Security
IET Quantum Communication, Volume 7, Issue 1, January/December 2026.Device‐independent quantum key distribution (DIQKD) removes the need to trust internal device behaviour by certifying security through Bell‐inequality violations, thereby closing practical loopholes in conventional QKD. This paper systematically reviews DIQKD foundations (Bell tests and security definitions), protocol frameworks (CHSH‐based and ...
Syed M. Arslan +3 more
wiley +1 more source