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[ "任婷洁(1994- ),女,杭州电子科技大学通信工程学院硕士生,主要研究方向为无线通信。" ]
[ "李光球(1966- ),男,博士,杭州电子科技大学通信工程学院教授,主要研究方向为无线通信、信息论与编码。" ]
[ "程英(1995- ),女,杭州电子科技大学通信工程学院硕士生,主要研究方向为无线通信。" ]
网络出版日期:2019-08,
纸质出版日期:2019-08-20
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任婷洁, 李光球, 程英. 多中继与多用户选择的中继系统安全性能分析[J]. 电信科学, 2019,35(8):111-119.
Tingjie REN, Guangqiu LI, Ying CHENG. Secure performance analysis of relay systems with multi-relay and multi-user selection[J]. Telecommunications science, 2019, 35(8): 111-119.
任婷洁, 李光球, 程英. 多中继与多用户选择的中继系统安全性能分析[J]. 电信科学, 2019,35(8):111-119. DOI: 10.11959/j.issn.1000-0801.2019153.
Tingjie REN, Guangqiu LI, Ying CHENG. Secure performance analysis of relay systems with multi-relay and multi-user selection[J]. Telecommunications science, 2019, 35(8): 111-119. DOI: 10.11959/j.issn.1000-0801.2019153.
为了考察使用多中继选择与多用户选择的放大转发(AF)中继系统的物理层安全性能,推导了其在瑞利衰落信道上和联合发送天线选择/接收最大比合并天线分集下的非零安全容量概率和安全中断概率的精确表达式以及在高信噪比下的渐近安全中断概率解析表达式。AF中继系统的非零安全容量概率和安全中断概率的数值计算和仿真结果相吻合,验证了以上理论分析的正确性;分析结果表明,其安全分集增益为源节点发射天线数、最优中继节点接收天线数、中继节点数的三者乘积与最优中继节点发射天线数、最优用户接收天线数、用户数三者乘积之间的最小值,且与窃听信道无关。
The exact expressions for the non-zero secrecy capacity probability
secrecy outage probability of AF relay systems with transmit antenna selection and receive maximal ratio combining and its asymptotic secrecy outage probability at high signal to noise ratios over Rayleigh fading channel were derived respectively.The numerical results of the non-zero secrecy capacity probability and secrecy outage probability of AF relay systems with multi-relay and multi-user selection match well with their corresponding simulations
which proves the correctness of the above theoretical analysis.The analysis result of the asymptotic secrecy outage probability of AF relay systems with multi-relay and multi-user selection indicates that its secrecy diversity gain is the minimum value between the product of the number of transmit antennas at source
the number of receive antennas at the optimal relay node
and the number of relay nodes
and the product of the number of transmit antennas at the optimal relay node
the number of receive antennas at the optimal destination node
and the number of destination nodes
which is independent of the eavesdropper channel.
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