Results 271 to 280 of about 12,804,341 (306)

Secrecy Rate Pair Constraints for Secure Throughput

2014 IEEE Military Communications Conference, 2014
Physical layer security, which is an alternative to traditional cryptographic methods, has emerged as a promising candidate to protect wireless transmissions from an eavesdropper. An important measure of physical layer security is the secrecy outage: the event when the instantaneous secrecy capacity, which for the considered scenario is the difference ...
Kyle Morrison, Dennis Goeckel
openaire   +1 more source

Joint Users’ Secrecy Rate and Target’s Sensing SNR Maximization for a Secure Cell-Free ISAC System

IEEE Communications Letters
This letter considers a secure cell-free integrated sensing and communication (ISAC) system, where distributed access points collaboratively serve communication users (UEs) and sense the target in the presence of multiple eavesdroppers (EVs).
A. A. Nasir
semanticscholar   +1 more source

Secrecy Rate Analysis Against Aerial Eavesdropper

IEEE Transactions on Communications, 2019
This paper studies the threat that an aerial eavesdropper can pose to terrestrial wireless communications, from an information-theoretic point of view. The achievable ergodic and the average $\epsilon $ -outage secrecy rates with no channel state information at the transmitter (i.e., with no CSIT) are analyzed for a transmitter–receiver pair on ...
Xin Yuan 0004, Zhiyong Feng 0001, Wei Ni 0001, Zhiqing Wei, Ren Ping Liu 0001, J. Andrew Zhang   +5 more
openaire   +1 more source

Secrecy Rate Maximization for Active RIS-Aided Robust Uplink NOMA Communications

IEEE Wireless Communications Letters
In this letter, we investigate the performance of an active reconfigurable intelligent surface (RIS)-aided uplink non-orthogonal multiple access (NOMA) network in the presence of an eavesdropper (Eve).
S. Singh, Allu Raviteja, Keshav Singh, S. Singh, Aryan Kaushik, Meng-Lin Ku   +5 more
semanticscholar   +1 more source

The achievable secrecy rate of MISO wiretap channels

2011 International Conference on Wireless Communications and Signal Processing (WCSP), 2011
In this paper, we study the achievable secrecy rate of the multiple input single output (MISO) wiretap channel, which consists of a transmitter, a legitimate receiver and multiple eavesdroppers. The transmitter is equipped with multiple antennas, while the receiver and all the eavesdroppers each have a single antenna. We assume that the transmitter has
Haiyang Zhang 0001, Bao-Yun Wang
openaire   +1 more source

The Meta Distributions of Secrecy Rate for the Downlink NOMA Systems

IEEE Wireless Communications Letters, 2021
In this letter, the Meta distributions (MDs) of the secrecy rate in downlink non-orthogonal multiple access (NOMA) systems with randomly located eavesdroppers are investigated. Due to the complexity of calculation, the MDs for NOMA users are approximated by Beta approximation and the analytical expressions for the first two moments of conditional ...
Hongjiang Lei, Rui Gao, Zhi Ren 0001, Ki-Hong Park, Gaofeng Pan, Mohamed-Slim Alouini   +5 more
openaire   +2 more sources

Ergodic Secrecy Rates of Secure Wireless Communications

2014 IEEE Military Communications Conference, 2014
Two unified analytical frameworks that facilitate the evaluation of the ergodic secrecy rates of Wyner wiretap channel in generalized fading environments without/with diversity receivers are developed. In contrast to prior work that is limited to only the Rayleigh fading environment, our new formulas expressed in terms of only the moment generating ...
Oluwatobi Olabiyi, Annamalai Annamalai
openaire   +1 more source

Secrecy Rate Maximization for Reconfigurable Intelligent Surface Aided Millimeter Wave System With Low-Resolution DACs

IEEE Communications Letters, 2020
In this letter, we investigate the secrecy rate of a reconfigurable intelligent surface (RIS)-aided millimeter-wave (mmWave) system with low-resolution digital-to-analog converters (LDACs).
Yue Xiu, Jun Zhao, Zhong-pei Zhang
semanticscholar   +1 more source

MIMO multi-user secrecy rate analysis

2014 IEEE International Conference on Communications (ICC), 2014
In this paper, we consider the broadcast channel with confidential messages and eavesdroppers (BCCE), where a multi-antenna base station simultaneously communicates to multiple potentially malicious users, in the presence of external eavesdroppers randomly located according to a Poisson point process (PPP).
Giovanni Geraci, Sarabjot Singh, Jeffrey G. Andrews, Jinhong Yuan, Iain B. Collings   +4 more
openaire   +1 more source

Secrecy Rate Analysis of Satellite Communications With Frequency Domain NOMA

IEEE Transactions on Vehicular Technology, 2019
Due to the inherent broadcasting nature and broad coverage of satellite, satellite communications are well known to be vulnerable to security threats. Since the distance difference from satellite to terrestrial terminals is negligible, the channels of ...
Zhisheng Yin, Min Jia, Wei Wang, Nan Cheng, Feng Lyu, Qing Guo, Xuemin Shen   +6 more
semanticscholar   +1 more source