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基于安全保護域的增強型多點協(xié)作傳輸機制

黃開枝,  王兵,  許曉明,  康小磊,  張波

黃開枝, 王兵, 許曉明, 康小磊, 張波. 基于安全保護域的增強型多點協(xié)作傳輸機制[J]. 電子與信息學報, 2018, 40(1): 108-115. doi: 10.11999/JEIT170478
引用本文: 黃開枝, 王兵, 許曉明, 康小磊, 張波. 基于安全保護域的增強型多點協(xié)作傳輸機制[J]. 電子與信息學報, 2018, 40(1): 108-115. doi: 10.11999/JEIT170478
HUANG Kaizhi, WANG Bing, XU Xiaoming, KANG Xiaolei, ZHANG Bo. An Enhanced Coordinated Multipoint Transmission Policy Based on Secrecy Guard Zone[J]. Journal of Electronics & Information Technology, 2018, 40(1): 108-115. doi: 10.11999/JEIT170478
Citation: HUANG Kaizhi, WANG Bing, XU Xiaoming, KANG Xiaolei, ZHANG Bo. An Enhanced Coordinated Multipoint Transmission Policy Based on Secrecy Guard Zone[J]. Journal of Electronics & Information Technology, 2018, 40(1): 108-115. doi: 10.11999/JEIT170478

基于安全保護域的增強型多點協(xié)作傳輸機制

doi: 10.11999/JEIT170478
  • 1.

    (國家數(shù)字交換系統(tǒng)工程技術(shù)研究中心 鄭州 450002)

基金項目: 

河南省科技攻關(guān)計劃(152102210013)，國家 863 計劃項目(2015AA01A708)，國家自然科學基金(61701538, 61171108, 61471396)

An Enhanced Coordinated Multipoint Transmission Policy Based on Secrecy Guard Zone

  • 1.

    (National Digital Switching System Engineering &

Funds: 

The Program for Science and Technology Development of Henan Province (152102210013), The National 863 Program of China (2015AA01A708), The National Natural Science Foundation of China (61701538, 61171108, 61471396)

  • 摘要: 現(xiàn)有針對異構(gòu)蜂窩網(wǎng)多點協(xié)作安全傳輸?shù)难芯考杏谠鰪娭餍诺蕾|(zhì)量以提升安全性，然而多基站協(xié)作又使基站和竊聽者之間的平均距離變近，網(wǎng)絡(luò)的安全性受限于距離協(xié)作基站較近的竊聽者。針對該問題，該文提出一種基于安全保護域的增強型多點協(xié)作傳輸機制。然后，理論分析了用戶的連接中斷概率、安全中斷概率以及安全吞吐量。進一步，以最大化安全吞吐量為目標，優(yōu)化協(xié)作微基站的發(fā)射功率以及有用信息功率分配比例系數(shù)。仿真結(jié)果表明，相比于傳統(tǒng)的多點協(xié)作安全傳輸機制，在存在嚴重安全威脅(竊聽者密度較大)的場景下，所提機制可以實現(xiàn)非零系統(tǒng)安全吞吐量；在存在較小安全威脅(竊聽者密度較小)的場景下，系統(tǒng)安全吞吐量最大可提升76.1%。
    Abstract: The existing researches on Coordinated Multi-Point transmission (CoMP) secure transmission in heterogeneous cellular networks mainly focus on improving the quality of the main channel to enhance security. However, CoMP also makes the average distance between base station and eavesdropper close which makes the security threat more severe. Based on secrecy guard zone, an enhanced CoMP policy is proposed in this paper. Then, the connection outage probability, secrecy outage probability and secrecy throughput are analyzed. Furthermore, the transmission power and power allocation factor are designed very carefully to maximize the secrecy throughput. Simulation results show that compared with conventional CoMP policy, the proposed policy can not only achieve non-zero secrecy throughput when faced with severe security threats (i.e. for larger eavesdropper density), but also improve the secrecy throughput of 76.1% at most when faced with small security threats (i.e. for smaller eavesdropper density).
    • HTML全文
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出版歷程
  • 收稿日期:  2017-05-17
  • 修回日期:  2017-08-23
  • 刊出日期:  2018-01-19

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