Physical layer security performance analysis of full-duplex CR-NOMA system based on SWIPT

PENG Yi; MA Xiaolin; YANG Qingqing

doi:10.13471/j.cnki.acta.snus.2023B051

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Physical layer security performance analysis of full-duplex CR-NOMA system based on SWIPT

Research articles | 更新时间：2023-12-08

- Physical layer security performance analysis of full-duplex CR-NOMA system based on SWIPT
- Acta Scientiarum Naturalium Universitatis Sunyatseni Vol. 62, Issue 6, Pages: 116-126(2023)
- 作者机构：
  
  1.昆明理工大学信息工程与自动化学院，云南昆明 650500
  2.云南省计算机技术应用重点实验室，云南昆明 650500
- 作者简介：
- 基金信息：
- DOI：10.13471/j.cnki.acta.snus.2023B051
  CLC： TN929.5
- Published：25 November 2023，
  
  Published Online：24 October 2023，
  
  Received：27 July 2023，
  
  Accepted：05 September 2023
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彭艺,马晓霖,杨青青.基于无线携能的全双工CR-NOMA系统物理层安全性能分析[J].中山大学学报(自然科学版),2023,62(06):116-126.

PENG Yi,MA Xiaolin,YANG Qingqing.Physical layer security performance analysis of full-duplex CR-NOMA system based on SWIPT[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(06):116-126.
彭艺,马晓霖,杨青青.基于无线携能的全双工CR-NOMA系统物理层安全性能分析[J].中山大学学报(自然科学版),2023,62(06):116-126. DOI： 10.13471/j.cnki.acta.snus.2023B051.

PENG Yi,MA Xiaolin,YANG Qingqing.Physical layer security performance analysis of full-duplex CR-NOMA system based on SWIPT[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(06):116-126. DOI： 10.13471/j.cnki.acta.snus.2023B051.

摘要

针对认知非正交多址（CR-NOMA，cognitive radio non-orthogonal multiple access）系统在信息传输过程中存在能量受限和物理层安全问题，构建基于无线携能的全双工多中继协作CR-NOMA系统模型。首先，在多中继的基础上提出了一种最优中继选择策略。其次，推导了系统安全中断概率和安全吞吐量的近似表达式。最后，通过仿真验证了理论分析的正确性，分析了中继个数、目标安全速率、干扰功率阈值以及自干扰信道系数和功率分割系数等因素对系统安全性能的影响，为CR-NOMA网络安全通信提供了可行的传输策略。

Abstract

Aiming at the problems of energy limitation and physical layer security in the process of information transmission in CR-NOMA systems， a full-duplex multi-relay cooperative CR-NOMA system model based on wireless power transfer is constructed. Firstly， an optimal relay selection strategy is proposed based on multi-relay. Secondly，the approximate expressions of system security outage probability and security throughput are derived. Finally， the correctness of the theoretical analysis is verified by simulation. The effects of relay number， target security rate， interference power threshold， self-interference channel coefficient， and power splitting coefficient on system security performance are analyzed， which provides a feasible transmission strategy for CR-NOMA network security communication.

关键词

物理层安全认知无线电非正交多址接入无线携能通信全双工人工噪声

Keywords

physical layer securitycognitive radionon-orthogonal multiple accesssimultaneous wireless information and power transferfull duplexartificial noise

references

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