Results 71 to 80 of about 451,706 (170)
A comprehensive survey on 6G-security: physical connection and service layers
Discover Internet of ThingsAfter adopting 5G technology, businesses and academia have started working on sixth-generation wireless networking (6G) technologies. Mobile communications options are expected to expand in areas where previous generations could not do so.
Mamoon M. Saeed +7 more
doaj +1 more source
Optimal Relay Selection for Physical-Layer Security in Cooperative Wireless Networks
, 2013 In this paper, we explore the physical-layer security in cooperative wireless networks with multiple relays where both amplify-and-forward (AF) and decode-and-forward (DF) protocols are considered.
Shen, Weiming +2 more
core +1 more source
This deliverable discloses closed form expressions for secrecy capacity analysis and the design of PLS techniques to achieve secure MTC transmission by utilising NOMA techniques. It provides inputs to Task 4.3 in WP4 for integrated link level and system level security measures; code implementation (e.g., in C) for WP5 system prototyping.
Phuong T. Tran +2 more
+5 more sources
Physical Layer Security for Massive MIMO Systems Impaired by Phase Noise
, 2016 In this paper, we investigate the impact of phase noise on the secrecy performance of downlink massive MIMO systems in the presence of a passive multiple-antenna eavesdropper.
Bhargava, Vijay K. +2 more
core +1 more source
Enhancing physical layer security via channel feedback: a survey
EURASIP Journal on Wireless Communications and Networking, 2020 Physical layer security (PLS), which is based on information-theoretic principles of message confidentiality, has attracted considerable attention in recent years.
Bin Dai +4 more
doaj +1 more source
, 2013 Due to the broadcast nature of wireless medium, wireless communication is extremely vulnerable to eavesdropping attack. Physical-layer security is emerging as a new paradigm to prevent the eavesdropper from interception by exploiting the physical ...
Shen, Weiming +2 more
core +1 more source
Physical-Layer Security in Free-Space Optical Communications
IEEE Photonics Journal, 2015 The communication between two legitimate peers in the presence of an external eavesdropper is studied from a physical-layer security perspective in the context of free-space optical (FSO) communications.
F. Javier Lopez-Martinez +2 more
doaj +1 more source
Analysis of short blocklength codes for secrecy
EURASIP Journal on Wireless Communications and Networking, 2018 In this paper, we provide secrecy metrics applicable to physical-layer coding techniques with finite blocklengths over Gaussian and fading wiretap channel models and analyze their secrecy performance over several cases of concatenated code designs.
Willie K. Harrison +3 more
doaj +1 more source
Enhancing Physical Layer Security in AF Relay Assisted Multi-Carrier Wireless Transmission
, 2018 In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system.
Ali, Zain +3 more
core +1 more source
Physical Layer Security in 5G Based Large Scale Social Networks: Opportunities and Challenges
IEEE Access, 2018 The increasing demand in 5G wireless systems has brought significant improvement in transmission speed with lower latency, especially in ultra-dense networks.
Yuan Gao +7 more
doaj +1 more source