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国家数字交换系统工程技术研究中心,河南 郑州 450002
[ "马克明(1985- ),男,甘肃庆阳人,国家数字交换系统工程技术研究中心助理研究员,主要研究方向为无线通信、移动通信网络、信息安全等。" ]
[ "陈亚军(1988- ),男,河南商丘人,博士,国家数字交换系统工程技术研究中心助理研究员,主要研究方向为物理层安全、D2D 通信技术、无线定位技术等。" ]
[ "胡鑫(1993- ),男,陕西西安人,国家数字交换系统工程技术中心硕士生,主要研究方向为无线携能通信技术、物理层安全等。" ]
[ "黄开枝(1973- ),女,安徽滁州人,博士,国家数字交换系统工程技术中心教授、博士生导师,主要研究方向为移动通信网络、物理层安全等。" ]
[ "季新生(1968- ),男,江苏南通人,博士,国家数字交换系统工程技术中心教授、博士生导师,主要研究方向为移动通信网络、拟态安全等。" ]
网络出版日期:2019-02,
纸质出版日期:2019-02-25
移动端阅览
马克明, 陈亚军, 胡鑫, 等. 面向物联网无线携能通信系统的机会安全传输方案[J]. 通信学报, 2019,40(2):70-81.
Keming MA, Yajun CHEN, Xin HU, et al. Opportunistic secure transmission scheme for simultaneous wireless information and power transfer[J]. Journal on communications, 2019, 40(2): 70-81.
马克明, 陈亚军, 胡鑫, 等. 面向物联网无线携能通信系统的机会安全传输方案[J]. 通信学报, 2019,40(2):70-81. DOI: 10.11959/j.issn.1000-436x.2019036.
Keming MA, Yajun CHEN, Xin HU, et al. Opportunistic secure transmission scheme for simultaneous wireless information and power transfer[J]. Journal on communications, 2019, 40(2): 70-81. DOI: 10.11959/j.issn.1000-436x.2019036.
针对物联网无线携能通信系统中能量输送和信息传输的差异性需求,提出了一种“信息-能量”动态切换的机会安全传输方案。首先,考虑多小区、多用户、多窃听者的时域切换型携能通信网络模型,发送端根据信道状态在能量输送与信息传输之间动态切换,改变了传统能量输送与信息传输的固定分配方案,从而满足能量输送和信息传输的差异性需求。在此基础上,综合分析了能量传输和信息传输的性能,包括能量传输的稳定性和效率以及在窃听者独立窃听、联合窃听场景下信息传输的可靠性和安全性。然后,分析了切换门限对系统性能的影响,并在能量约束条件下,为兼顾系统安全性和可靠性,设计了最大化保密吞吐量的切换门限优化算法。最后,仿真证明了所提方案的有效性。
Aiming at the different requirements of energy transmission and information transmission in simultaneous wireless information and power transfer (SWIPT)
an opportunistic transmission scheme was proposed for enhancing physical layer security.Firstly
a SWIPT network with multi-cells was considered where multi-users
multi-eavesdroppers and the users were assumed to adopt time-switching based receivers and employ non-linear conversion model to harvest energy.The transmitter could dynamically switch between information transmission and power transfer according to the channel state
breaking the traditional fixed slot allocation scheme of energy transmission and information transmission.On this basis
the performances of energy transmission and information transmission were analyzed comprehensively
including the stability and efficiency of energy transmission
and the reliability and security of information transmission in the scenario of independent eavesdropping and joint eavesdropping.Next
a switching threshold optimization model was given to maximize its secrecy throughput under the constraint of the energy transmission
the reliability and secrecy performance requirements of information transmission.Finally
simulation results verify the validity of the proposed scheme.
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