随机位置窃听场景下SWIPT系统的物理层安全性能

钱辉; 李光球; 丁一凡

doi:10.11959/j.issn.1000-0801.2020147

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随机位置窃听场景下SWIPT系统的物理层安全性能

研究与开发 | 更新时间：2024-06-05

- 随机位置窃听场景下SWIPT系统的物理层安全性能
- Physical layer security performance of SWIPT system in the presence of randomly located eavesdroppers
- 电信科学 2020年36卷第5期页码：65-72
- 作者机构：
- 作者简介：
  
  [ "钱辉（1994- ），男，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、信息论与编码等" ]
  [ "丁一凡（1996- ），男，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" ]
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2020147
  中图分类号： TN918.1
- 网络出版日期：2020-05，
  
  纸质出版日期：2020-05-20
- 稿件说明：
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钱辉, 李光球, 丁一凡. 随机位置窃听场景下SWIPT系统的物理层安全性能[J]. 电信科学, 2020,36(5):65-72.

Hui QIAN, Guangqiu LI, Yifan DING. Physical layer security performance of SWIPT system in the presence of randomly located eavesdroppers[J]. Telecommunications science, 2020, 36(5): 65-72.
钱辉, 李光球, 丁一凡. 随机位置窃听场景下SWIPT系统的物理层安全性能[J]. 电信科学, 2020,36(5):65-72. DOI： 10.11959/j.issn.1000-0801.2020147.

Hui QIAN, Guangqiu LI, Yifan DING. Physical layer security performance of SWIPT system in the presence of randomly located eavesdroppers[J]. Telecommunications science, 2020, 36(5): 65-72. DOI： 10.11959/j.issn.1000-0801.2020147.

摘要

鉴于窃听者的位置会对采用发射天线选择（TAS）和功率分割（PS）策略的无线携能通信（SWIPT）系统的物理层安全性能产生严重影响，考虑将其建模为泊松点过程（PPP）。利用PPP的概率生成函数分别推导了采用TAS和PS策略的SWIPT系统在非合谋（独立）与合谋两种窃听场景下的安全中断概率（SOP）闭合表达式。数值计算和仿真结果均表明，发射天线数越大，发射端与信息接收者之间的距离越小，PS因子越小，SWIPT系统在非合谋与合谋两种窃听场景下的SOP均越小；合谋窃听会进一步恶化SWIPT系统的物理层安全性能。

Abstract

The locations of the eavesdroppers have serious impact on the physical layer security performance of simultaneous wireless information and power transfer (SWIPT) systems with transmit antenna selection (TAS) and power split (PS) strategy

which can be considered to be modeled as Poisson point process (PPP).The closed-form expressions for secrecy outage probability (SOP) of SWIPT system with TAS and PS strategy under non-colluding and colluding eavesdropping scenarios were derived by using probability generation function of PPP

respectively.Numerical and simulation results show that

the larger the number of transmit antennas

the smaller the distance between the transmitter and the information receiver

and the smaller the PS factor

the smaller SOP of SWIPT system under non-colluding and colluding eavesdropping scenarios.Colluding eavesdropping will further deteriorate the physical layer security performance of SWIPT systems.

关键词

Keywords

references

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