Results 31 to 40 of about 18,041 (194)
On Secrecy Rate Analysis of MIMO Wiretap Channels Driven by Finite-Alphabet Input [PDF]
, 2012 This work investigates the effect of finite-alphabet source input on the secrecy rate of a multi-antenna wiretap system. Existing works have characterized maximum achievable secrecy rate or secrecy capacity for single and multiple antenna systems based ...
Bashar, Shafi +2 more
core +3 more sources
Secure Cooperative Single Carrier Systems Under Unreliable Backhaul and Dense Networks Impact
IEEE Access, 2017 In this paper, the impacts of unreliable backhaul links on the secrecy performance of cooperative single carrier heterogeneous networks in the presence of eavesdroppers are investigated.
Huy T. Nguyen +4 more
doaj +1 more source
Secure Energy Harvesting Relay Networks With Unreliable Backhaul Connections
IEEE Access, 2018 Wireless backhaul is a cost-effective and flexible alternative to wired backhaul, yet it suffers from unreliability. This paper studies the secrecy performance of a relay network with such unreliable wireless backhaul.
Cheng Yin +5 more
doaj +1 more source
Transmitter selection for secrecy against colluding eavesdroppers with backhaul uncertainty
IET Communications, 2023 Due to the exponential growth of interconnected devices and reduced cell coverage, beyond fifth‐generation networks will be dense. Thus, instead of wired backhaul, wireless backhaul will be cost‐effective and flexible.
Burhan Wafai, Ankit Dubey, Chinmoy Kundu
doaj +1 more source
UAV Swarm-Enabled Aerial CoMP: A Physical Layer Security Perspective [PDF]
, 2019 Unlike aerial base station enabled by a single unmanned aerial vehicle (UAV), aerial coordinated multiple points (CoMP) can be enabled by a UAV swarm. In this case, the management of multiple UAVs is important.
Chen, Yunfei +3 more
core +2 more sources
Jamming Games in the MIMO Wiretap Channel With an Active Eavesdropper [PDF]
, 2012 This paper investigates reliable and covert transmission strategies in a multiple-input multiple-output (MIMO) wiretap channel with a transmitter, receiver and an adversarial wiretapper, each equipped with multiple antennas.
Mukherjee, Amitav, Swindlehurst, A. Lee
core +1 more source
Physical Layer Security in Random NOMA-Enabled Heterogeneous Networks
IEEE Open Journal of the Communications SocietyThe performance of physical layer secrecy approach in non-orthogonal multiple access (NOMA)-enabled heterogeneous networks (HetNets) is analyzed in this paper. A K-tier multi-cell HetNet is considered, comprising NOMA adopted in all tiers.
Elmira Shahraki +2 more
doaj +1 more source
IEEE Access, 2019 In this paper, we investigate the secure transmission in multigroup multicasting cell-free massive MIMO system in the presence of pilot spoofing attack.
Xianyu Zhang +4 more
doaj +1 more source
Securing Downlink Massive MIMO-NOMA Networks with Artificial Noise
, 2019 In this paper, we focus on securing the confidential information of massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks by exploiting artificial noise (AN). An uplink training scheme is first proposed with minimum
Dobre, Octavia A. +3 more
core +1 more source
Performance Study of Untrusted Relay Network Utilizing Cooperative Jammer [PDF]
AUT Journal of Electrical Engineering, 2016 —In this paper, the problem of secure transmission in two-hop amplify-and-forward (AF) systems with an untrusted relay is investigated. To prevent the untrusted relay from intercepting the source message and to achieve positive secrecy rate, the ...
Ali kuhestani +2 more
doaj +1 more source