Secrecy rate
Secrecy rate optimization for secure multicast communications
... and secrecy rate maximization problems are investigated for a multicasting secrecy ...the secrecy rate maximization problem is investigated with the help of private jammers to improve ...
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Robust Transmit Designs for Secrecy Rate Constrained MISO NOMA System
... From the perspective of both secure transmission and energy efficient design, in this paper, we study the power minimization problem of a downlink MISO NOMA system with and without a helper, where each user has a target ...
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Evaluation of Secrecy Rate in Cooperative Communication System
... work. Secrecy rate is the evaluation of the secure communication between the source to the ...positive secrecy capacity, the maximum secrecy rate is approached with an appropriate relay ...
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Effective Secrecy Rate for a Downlink NOMA Network
... Abstract—In this paper, a novel approach is introduced to study the achievable delay-guaranteed secrecy rate, by introduc- ing the concept of the effective secrecy rate (ESR). This study ...
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Secure transmission via beamforming optimization for NOMA Networks
... sum secrecy rate optimization problem is studied to combat the external eavesdropper through optimizing the precoding vectors, when the channel state information (CSI) is ...
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UAV relaying assisted secure transmission with caching
... the secrecy rate of the two caching users can be mainly guaranteed through transmitting the pre-cached files cooperatively to confuse the ...instantaneous secrecy rate of all the users in each ...
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Resource allocation and secure communication design in simultaneous wireless information and power transfer systems
... the secrecy rate maximization problem based on the assumption of perfect CSI and imperfect CSI at the ...a secrecy rate maximization problem under the source and the relay transmit power ...
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Can Bob enhance the security of the multiple antenna wiretap channel?
... the secrecy rate of the multiple-input multiple-output wiretap channel by transmitting artificial noise from some of its antennas to jam a multiple antenna ...in secrecy rate is possible by ...
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Secure communications with cooperative jamming : optimal power allocation and secrecy outage analysis
... the secrecy rate maximization problem of a secure wireless communication system, in the presence of multiple ...positive secrecy rate at the ...original secrecy rate maximization ...
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Secure Transmission of Underlay Cognitive Radio with Passive Eavesdropping
... the secrecy performance of the secondary user (SU) in the presence of passive eavesdropper, whose channel state information (CSI) is unknown at the transmitter ...the secrecy performance of the SU in ...
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Outage Constraint Robust Transmission Design for Secrecy MIMO SWIPT System with Time Switching
... outage secrecy rate by jointly optimizing the information signal covariance, energy signal covariance and TS ratio, subject to the transmit power constraint and the harvested energy threshold at the energy ...
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Secrecy Enhancement in Cooperative Relaying Systems
... The majority of initial studies in physical layer are related to point-to-point scenarios or the cases where the isolated cells are considered. However, in order to adopt physical layer se- curity in cellular networks, ...
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Performance Study of Untrusted Relay Network Utilizing Cooperative Jammer
... perform the analysis at high-SNR regime and then, for large N d . The high-SNR analysis is beneficial in the analytical approach. Because we will observe that the function ϕ(λ) is a quasiconcave function, and its optimal ...
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Directional Modulation Technique Using a Polarization Sensitive Array for Physical Layer Security Enhancement
... Abstract: Directional modulation (DM), as an emerging promising physical layer security (PLS) technique at the transmitter side with the help of an antenna array, has developed rapidly over decades. In this study, a DM ...
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Secure Communication for Two-way Relay Networks with Imperfect CSI
... the secrecy rate and to minimize the relay transmit power; the secrecy outage probability is analyzed for both half-duplex [20] and full-duplex relay networks [21]; in [22], the optimal relay ...
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User Pair Selection in Multiuser Cooperative Networks With an Untrusted Relay
... the secrecy performance as in ...The secrecy performance of the considered networks; 2) Whether the secrecy performance can be improved through the multiuser diversity? Our contribution can be ...
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Artificial-Noise Aided Secure Transmission in Large Scale Spectrum Sharing Networks
... the secrecy performance under the primary users’ quality of service ...average secrecy rate and the secrecy outage ...average secrecy rate and asymptotic secrecy outage ...
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Analysis of Group Key Management Scheme using One-way Function Tree
... Many real time network applications like teleconferences, online gaming, video-on-demand, Pay-per-view video streaming are based on group communications. These applications can be implemented by using secure multicast in ...
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International Journal of Computer Science and Mobile Computing
... Tor is an anonymizing network that hides a client's identity (actually, your computer's IP address) from the servers that it accesses. Tor keeps a client's IP-address secrecy by bouncing its data packets through a ...
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The Valuation of Secrecy and the Privacy Multiplier
... For the purpose of this paper, it’s almost immediate that secure computation techniques could be used to sell/rent access to secret data without revealing anything about it: this would remove the secrecy discount ...
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