Results 151 to 160 of about 104,496 (164)

Partial Relay Selection for Secure Outdated-CSI AF in Untrusted-Relay Networks

2019 15th International Wireless Communications & Mobile Computing Conference (IWCMC), 2019
In this paper, we study secure outdated-channelstate-information amplify-and-forward (SO-CSI-AF) relaying network using partial relay selection method. The best relay node is chosen based on the maximum instantaneous signal-tonoise ratio (SNR) of the first hop.
openaire   +1 more source

Secure transmission of cognitive untrusted relay networks with selection diversity

2017 9th International Conference on Wireless Communications and Signal Processing (WCSP), 2017
In this paper, we investigate the secrecy performance of a cognitive untrusted relay network with a direct link using selection combining (SC) scheme, where a secondary source communicates with a secondary destination through an untrusted relay. We first examine the connection outage probability (COP) and secrecy outage probability (SOP) to investigate
Dechuan Chen, Yunpeng Cheng, Weiwei Yang 0001, Jianwei Hu 0001, Yueming Cai, Yingbo Hu   +5 more
openaire   +1 more source

Secure Transmit Beamforming in the RF Powered Untrusted Relay networks

2019 Computing, Communications and IoT Applications (ComComAp), 2019
This paper investigates secure transmission in the radio-frequency (RF) powered untrusted relay networks. The relay conducts amplify-and-forward (AF) protocol and may intercept information passively. Based on the physical-layer security technique, a two-phase communication protocol is proposed for transmit security. We aim to minimize the average total
Xiaochen Liu, Yuanyuan Gao, Nan Sha, Sheng Huang   +3 more
openaire   +1 more source

Physical Layer Security with Untrusted Relays in Wireless Cooperative Networks

2017 IEEE Wireless Communications and Networking Conference (WCNC), 2017
We investigate the problem of physical layer security in a wireless cooperative network, where communication is assisted by the untrusted relay. It is impossible for the amplify-and-forward protocol to convey a confidential message from the source to the destination without the help of other nodes, where only an untrusted relay is available ...
Guiyang Luo, Jinglin Li, Zhihan Liu 0001, Xiaofeng Tao 0001, Fangchun Yang   +4 more
openaire   +1 more source

Secure Relay Selection for Two-Way Untrusted Relaying Networks

SSRN Electronic Journal, 2022
Kan Yu, Zhiyong Feng, Shanchao Zheng, Xiao Zhao   +3 more
openaire   +1 more source

Joint Power Allocation and Relay Selection Scheme in Multiple Untrusted Relay Networks

2022 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2022
Wanying Su, Rugui Yao, Ye Fan 0006, Yi Xie, Nan Qi 0001, Xiaoya Zuo   +5 more
openaire   +1 more source

Physical layer security based on NOMA and AJ for MISOSE channels with an untrusted relay

Future Generation Computer Systems, 2020
Heejung Yu, Il-Gu Lee
exaly  

Physical Layer Security in Untrusted Diamond Relay Networks With Imperfect Source-Relay Links

2022 International Symposium on Networks, Computers and Communications (ISNCC), 2022
Shen Qian, Xin He 0017, Xiaobo Zhou 0003
openaire   +1 more source

Secrecy-Enhancing Design for Cooperative Downlink and Uplink NOMA With an Untrusted Relay

IEEE Transactions on Communications, 2020
Zhiguo Ding, Lu Lv
exaly  

Destination-based cooperative jamming in untrusted amplify-and-forward relay networks: resource allocation and performance study

IET Communications, 2016
Ali Kuhestani, Abbas Mohammadi
exaly