Results 161 to 170 of about 18,041 (194)
Achievable ergodic secrecy rate for MIMO SWIPT wiretap channels
2015 IEEE International Conference on Communication Workshop (ICCW), 2015 In this paper, we study the multiple-input multiple-output (MIMO) wiretap channel performing simultaneous wireless information and power transfer (SWIPT), where there are a multiple-antenna base station (BS), a multiple-antenna information decoding (ID) user, and a multiple-antenna energy harvesting (EH) user.
Jun Zhang +5 more
semanticscholar +3 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 ...
O Olabiyi
exaly +3 more sources
Ergodic Secrecy Rate for Multiple-Antenna Wiretap Channels With Rician Fading
IEEE Transactions on Information Forensics and Security, 2011 A Gaussian multiple-antenna wiretap channel model is considered, where there exists a transmitter equipped with multiple antennas, a legitimate receiver equipped with a single antenna, and an eavesdropper equipped with multiple antennas. We study the problem of finding the optimal input covariance that maximizes the ergodic secrecy rate subject to a ...
Jiangyuan Li, Athina P. Petropulu
semanticscholar +3 more sources
Ergodic Secrecy Sum Rate Analysis of a Two-Way Relay NOMA System
IEEE Systems Journal, 2020 In this letter, we investigate the ergodic secrecy sum rate of a two-way relay NOMA system. In particular, by considering decode-and-forward signal processing at the relay and selection combining at the eavesdropper, we derive a tight closed-form ergodic secrecy sum rate expression for the considered system.
Mahendra K. Shukla, Ha H. Nguyen
semanticscholar +3 more sources
Ergodic Achievable Secrecy Rate of Multiple-Antenna Relay Systems With Cooperative Jamming
IEEE Transactions on Wireless Communications, 2015 This paper investigates the ergodic achievable secrecy rate (EASR) of multiple-antenna amplify-and-forward relay systems, where one eavesdropper can wiretap the relay. To reveal the capability of the multiple-antenna relay in improving the secrecy performance, we derive new tight closed-form expressions of the EASR for three secure transmission schemes:
Rui Zhao +3 more
semanticscholar +4 more sources
Ergodic secrecy sum rate for multiuser MIMO downlink systems using block diagonalization
2016 IEEE Conference on Communications and Network Security (CNS), 2016 To date, the achievable ergodic secrecy sum rate has been studied for multiuser MIMO downlink systems with single-antenna receivers only. In this paper, we study multiuser MIMO downlink systems with multiple-antenna receivers and an external single-antenna eavesdropper to be kept ignorant of the transmitted messages.
Xuanxuan Wang +4 more
semanticscholar +3 more sources
On ergodic secrecy rate of multiuser MISO downlink wiretap channel
2014 12th International Conference on Signal Processing (ICSP), 2014 In this paper, we consider the problem of secure communication in multiuser downlink wiretap networks where there exist a base-station (BS) equipped with multiple antennas, multiple legitimate receivers and a passive eavesdropper. The transmitter simultaneously transmits an information signal and artificial noise (AN) separately to the intended ...
Hongbai Dong, Shenghui Wang
semanticscholar +3 more sources
2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, 2011 We consider the problem of secure communication in wireless fading channels in the presence of quantized version of the receivers channel sate information at transmit side. The transmitter has multiple antennas and is able to simultaneously transmits an information bearing signal and artificial noise.
Liang Sun, Shi Jin
semanticscholar +3 more sources
Ergodic secrecy sum rate maximization in downlink sparse code multiple access network
2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC), 2017 Sparse code multiple access (SCMA) has been recognized as a promising candidate technique for fifth generation (5G) cellular network to improve spectral efficiency (SE). In this paper, physical layer security (PLS) in a downlink single-input single-output (SISO) SCMA system is investigated, which includes one base station (BS), multiple legitimate ...
Dan Huo +4 more
semanticscholar +3 more sources
Ergodic Secrecy Rate for Gaussian MISO Wiretap Channels with Non-Trivial Covariance
2010 IEEE Global Telecommunications Conference GLOBECOM 2010, 2010 A Gaussian multiple-input single-output (MISO) wiretap channel model is considered, where there exists a transmitter equipped with multiple antennas, a legitimate receiver and an eavesdropper each equipped with a single antenna. We study the problem of finding the optimal input covariance that achieves ergodic secrecy rate subject to a power constraint
Jiangyuan Li, Athina P. Petropulu
semanticscholar +3 more sources