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利用人工噪聲提高合法接收者性能的物理層安全方案

雷維嘉,  林秀珍,  楊小燕,  謝顯中

雷維嘉, 林秀珍, 楊小燕, 謝顯中. 利用人工噪聲提高合法接收者性能的物理層安全方案[J]. 電子與信息學(xué)報, 2016, 38(11): 2887-2892. doi: 10.11999/JEIT160054
引用本文: 雷維嘉, 林秀珍, 楊小燕, 謝顯中. 利用人工噪聲提高合法接收者性能的物理層安全方案[J]. 電子與信息學(xué)報, 2016, 38(11): 2887-2892. doi: 10.11999/JEIT160054
LEI Weijia, LIN Xiuzhen, YANG Xiaoyan, XIE Xianzhong. Physical Layer Security Scheme Exploiting Artificial Noise to Improve the Performance of Legitimate User[J]. Journal of Electronics & Information Technology, 2016, 38(11): 2887-2892. doi: 10.11999/JEIT160054
Citation: LEI Weijia, LIN Xiuzhen, YANG Xiaoyan, XIE Xianzhong. Physical Layer Security Scheme Exploiting Artificial Noise to Improve the Performance of Legitimate User[J]. Journal of Electronics & Information Technology, 2016, 38(11): 2887-2892. doi: 10.11999/JEIT160054

利用人工噪聲提高合法接收者性能的物理層安全方案

doi: 10.11999/JEIT160054
基金項目: 

國家自然科學(xué)基金(61471076, 61301123)，重慶市基礎(chǔ)與前沿研究計劃（cstc2015jcyjA40047），長江學(xué)者和創(chuàng)新團隊發(fā)展計劃(IRT1299)，重慶市科委重點實驗室專項經(jīng)費

Physical Layer Security Scheme Exploiting Artificial Noise to Improve the Performance of Legitimate User

Funds: 

The National Natural Science Foundation of China (61471076, 61301123), The Chongqing Research Program of Basic Research and Frontier Technology (cstc2015jcyjA40047), The Program for Changjiang Scholars and Innovative Research Team in University (IRT1299), The Special Fund of Chongqing Key Laboratory (CSTC)

  • 摘要: 該文研究在采用波束賦形和人工噪聲的物理層安全方案中利用人工噪聲提高合法接收端性能。發(fā)送端根據(jù)發(fā)送符號和信道系數(shù)，判斷人工噪聲是否對合法接收端的信號檢測有益，并針對有益噪聲和無益噪聲分別設(shè)計不同的噪聲波束賦形矢量。通過利用有益噪聲，在不改變竊聽端接收信噪比的條件下，合法接收端的信噪比有較明顯的提高。對誤比特率和保密容量進行理論分析和仿真，結(jié)果顯示，與傳統(tǒng)的人工噪聲方案相比，所提方案可提高合法接收端的性能，改善保密容量。
    Abstract: A physical layer security scheme is studied, which employs the advantage of artificial noise to improve the performance of legitimate user for multiple antenna systems using beamforming technology and artificial noise. Based on the transmitted symbols and channel coefficients, the sender determines whether or not the artificial noises are beneficial to the signal detection at the legitimate receiver. Then, beamforming vectors are designed accordingly. By taking advantage of useful noise, the signal to noise ratio at the legitimate receiver is improved effectively while that at the illegal receiver will remain the same. The bit error rate and the secrecy capacity are analyzed and simulated. The results demonstrate that the proposed scheme can improve the performance of the legal receiver and enhance secrecy capacity.
    • HTML全文
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    YANG Y, SUN C, ZHAO H, et al. Algorithms for secrecy guarantee with null space beamforming in two-way relay networks[J]. IEEE Transactions on Signal Processing, 2014, 62(8): 2111-2126. doi: 10.1109/TSP.2014.2303942.
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  • 文章訪問數(shù):  2017
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出版歷程
  • 收稿日期:  2016-01-13
  • 修回日期:  2016-05-12
  • 刊出日期:  2016-11-19

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