Results 21 to 30 of about 104,178 (180)
Physical Layer Security in Cognitive Untrusted Relay Networks
IEEE Access, 2018 In this paper, we consider the secure communications in a cognitive untrusted relay network, where the secondary source intends to communicate with a secondary destination through an untrusted relay in the presence of the direct source-destination link ...
Dechuan Chen +4 more
doaj +3 more sources
Physical layer security: Friendly jamming in an untrusted relay scenario [PDF]
2016 24th European Signal Processing Conference (EUSIPCO), 2016 This paper investigates the achievable secrecy regions when employing a friendly jammer in a cooperative scenario employing an untrusted relay. The untrusted relay which helps to forward the source signal towards the destination, could also be regarded as a potential eavesdropper.
Bakhtiar Ali +4 more
openaire +3 more sources
High-Rate Cross-Channel Entanglement Swapping Between Independent On-Chip Sources. [PDF]
Adv Sci (Weinh)To interconnect individual chip‐based quantum sources, high‐performance entanglement swapping is indispensable. Here, using low‐loss silicon chips with waveguide structure and frequency‐offset pumps, this work demonstrates high‐rate cross‐channel entanglement swapping.
Wang H +5 more
europepmc +2 more sources
Secure Physical Layer Network Coding versus Secure Network Coding [PDF]
Entropy, 2021 When a network has relay nodes, there is a risk that a part of the information is leaked to an untrusted relay. Secure network coding (secure NC) is known as a method to resolve this problem, which enables the secrecy of the message when the message is ...
Masahito Hayashi
doaj +2 more sources
Study of Free-Space Optical Quantum Network: Review and Prospectives. [PDF]
Adv Sci (Weinh)Free from the constraints of fiber connections, free‐space quantum network enables longer and more flexible quantum network connections. This review summarizes and comparatively analyzes free‐space quantum network experiments based on ground stations, satellites, and mobile platforms.
Liu HY, Xie Z, Zhu S.
europepmc +2 more sources
The Symmetric Two-Hop Channel with an Untrusted Relay
2018 International Symposium on Information Theory and Its Applications (ISITA), 2018 We study, using information-theoretic security methods, the so-called symmetric two-hop channel with an untrusted relay. In this model, a source wants to send its message reliably and securely to the destination through an honest but curious relay. The relay acts as a passive eavesdropper.
Shahab Ghasemi-Goojani +1 more
openaire +3 more sources
Cooperative Secure Transmission in the Presence of Untrusted Relay [PDF]
International Journal of Distributed Sensor Networks, 2016 Considering a nonregenerative untrusted relay network, we investigate three different secure transmission strategies, for example, noncooperative strategy, conventional amplify-and-forward (AF) strategy, and cooperative jamming (CJ) strategy.
Dechuan Chen +4 more
doaj +3 more sources
Cooperative Jamming-Based Physical-Layer Group Secret and Private Key Generation [PDF]
EntropyThis paper explores physical layer group key generation in wireless relay networks with a star topology. In this setup, the relay node plays the role of either a trusted or untrusted central node, while one legitimate node (Alice) acts as the reference ...
Shiming Fu, Tong Ling, Jun Yang, Yong Li
doaj +2 more sources
Secure Communications in CIoT Networks with a Wireless Energy Harvesting Untrusted Relay [PDF]
Sensors, 2017 Zhenzhen Gao +2 more
exaly +2 more sources
Security–reliability tradeoff analysis of untrusted energy harvesting relay networks
International Journal of Distributed Sensor Networks, 2018 We investigate secure communications in untrusted energy harvesting relay networks, where the amplify-and-forward relay is an energy constrained node powered by the received radio frequency signals, and try to unauthorizedly decode the confidential ...
Dechuan Chen +4 more
doaj +2 more sources