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中繼網(wǎng)絡(luò)中不準(zhǔn)確信道狀態(tài)信息下抗多竊聽者的物理層安全方案

雷維嘉,  左莉杰,  江雪,  謝顯中

雷維嘉, 左莉杰, 江雪, 謝顯中. 中繼網(wǎng)絡(luò)中不準(zhǔn)確信道狀態(tài)信息下抗多竊聽者的物理層安全方案[J]. 電子與信息學(xué)報(bào), 2015, 37(9): 2191-2197. doi: 10.11999/JEIT141579
引用本文: 雷維嘉, 左莉杰, 江雪, 謝顯中. 中繼網(wǎng)絡(luò)中不準(zhǔn)確信道狀態(tài)信息下抗多竊聽者的物理層安全方案[J]. 電子與信息學(xué)報(bào), 2015, 37(9): 2191-2197. doi: 10.11999/JEIT141579
Lei Wei-jia, Zuo Li-jie, Jiang Xue, Xie Xian-zhong. Physical Layer Security Scheme Resistant to Multi-eavesdroppers with Inaccurate Channel State Information in Relay Network[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2191-2197. doi: 10.11999/JEIT141579
Citation: Lei Wei-jia, Zuo Li-jie, Jiang Xue, Xie Xian-zhong. Physical Layer Security Scheme Resistant to Multi-eavesdroppers with Inaccurate Channel State Information in Relay Network[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2191-2197. doi: 10.11999/JEIT141579

中繼網(wǎng)絡(luò)中不準(zhǔn)確信道狀態(tài)信息下抗多竊聽者的物理層安全方案

doi: 10.11999/JEIT141579
基金項(xiàng)目: 

國家自然科學(xué)基金(61471076, 61271259, 61301123)，長江學(xué)者和創(chuàng)新團(tuán)隊(duì)發(fā)展計(jì)劃(IRT1299)以及重慶市科委重點(diǎn)實(shí)驗(yàn)室專項(xiàng)經(jīng)費(fèi)

Physical Layer Security Scheme Resistant to Multi-eavesdroppers with Inaccurate Channel State Information in Relay Network

  • 摘要: 該文研究存在多個(gè)相互勾結(jié)的單天線竊聽者的多中繼傳輸系統(tǒng)中，采用零空間人工噪聲和放大轉(zhuǎn)發(fā)的中繼波束賦形的物理層安全傳輸方案。在中繼竊聽端的信道狀態(tài)信息不準(zhǔn)確的情況下，基于半定規(guī)劃理論，對中繼的波束賦形加權(quán)矩陣和人工噪聲協(xié)方差矩陣進(jìn)行聯(lián)合優(yōu)化，有效減少相互勾結(jié)的多個(gè)竊聽者所獲得的信息量，顯著提高系統(tǒng)保密容量，是一種具有良好魯棒性的物理層安全傳輸方案。仿真結(jié)果顯示方案具有良好的性能。
    Abstract: This paper investigates the relay transmission system in the presence of multiple collusion single-antenna eavesdroppers. A physical layer security scheme employing nullspace Artificial Noise (AN) and Amplify-and-Forward (AF) relay beamforming is designed. In the case that channel state information can not be accurately obtained, the weighted matrice of relay beamforming and the nullspace AN covariance are jointed optimized based on the Semi-Definite Programs (SDP), which can effectively reduce the amount of the information likely to be obtained by the multiple collusion eavesdroppers and significantly improve the security capacity of the system. It is an effective physical security transmission scheme with good robustness. Simulation results verify that the scheme has good performance.
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出版歷程
  • 收稿日期:  2014-12-10
  • 修回日期:  2015-05-04
  • 刊出日期:  2015-09-19

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