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聯(lián)合發(fā)端天線選擇和收端人工噪聲的物理層安全傳輸方法

張亞軍 梁濤 柳永祥 孫愛偉

張亞軍, 梁濤, 柳永祥, 孫愛偉. 聯(lián)合發(fā)端天線選擇和收端人工噪聲的物理層安全傳輸方法[J]. 電子與信息學(xué)報, 2015, 37(9): 2183-2190. doi: 10.11999/JEIT141580
引用本文: 張亞軍, 梁濤, 柳永祥, 孫愛偉. 聯(lián)合發(fā)端天線選擇和收端人工噪聲的物理層安全傳輸方法[J]. 電子與信息學(xué)報, 2015, 37(9): 2183-2190. doi: 10.11999/JEIT141580
Zhang Ya-jun, Liang Tao, Liu Yong-xiang, Sun Ai-wei. Hybrid Transmit Antenna Selection and Full-duplex Artificial-noise-added Receiver Scheme for Physical Layer Security Enhancement[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2183-2190. doi: 10.11999/JEIT141580
Citation: Zhang Ya-jun, Liang Tao, Liu Yong-xiang, Sun Ai-wei. Hybrid Transmit Antenna Selection and Full-duplex Artificial-noise-added Receiver Scheme for Physical Layer Security Enhancement[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2183-2190. doi: 10.11999/JEIT141580

聯(lián)合發(fā)端天線選擇和收端人工噪聲的物理層安全傳輸方法

doi: 10.11999/JEIT141580
基金項(xiàng)目: 

國家自然科學(xué)基金(61471392)

Hybrid Transmit Antenna Selection and Full-duplex Artificial-noise-added Receiver Scheme for Physical Layer Security Enhancement

  • 摘要: 該文在同頻全雙工技術(shù)快速發(fā)展的背景下,針對物理層安全研究中波束成形技術(shù)的高復(fù)雜度和發(fā)端天線選擇(TAS)技術(shù)的低性能,提出一種聯(lián)合發(fā)端天線選擇和收端人工噪聲(AN)的物理層安全傳輸方法TAS-rAN。首先,有多根天線的發(fā)端,利用天線選擇技術(shù),選取能使合法接收方接收信噪比最大的天線發(fā)送保密消息;其次,有同頻全雙工能力的收端,在接收到消息的同時,發(fā)送人工噪聲來擾亂竊聽方對保密消息的竊聽。在Nakagami-m信道下,推導(dǎo)了安全中斷概率的閉合表達(dá)式,并基于此,得到非零安全容量的概率表達(dá)式;通過漸進(jìn)安全中斷概率的推導(dǎo),得到TAS-rAN方法的安全分集度。仿真結(jié)果表明,與已有的TAS-single和TAS-Alamouti方法相比,TAS-rAN安全方法具有較強(qiáng)的穩(wěn)定性,且能提供更優(yōu)的安全性能。
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出版歷程
  • 收稿日期:  2014-12-10
  • 修回日期:  2015-04-30
  • 刊出日期:  2015-09-19

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