星地异构共生安全保密性能分析

赵璇; 尹志胜; 承楠; 刘永红; 王兆薇

doi:10.11959/j.issn.2096-3750.2025.00456

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星地异构共生安全保密性能分析

专题：卫星物联网 | 更新时间：2025-04-21

- 星地异构共生安全保密性能分析
- Secrecy performance analysis of satellite-terrestrial heterogeneous symbiotic security
- 物联网学报 2025年9卷第1期页码：82-88
- 作者机构：
  
  1.西安电子科技大学网络与信息安全学院，陕西西安 710126
  2.西安电子科技大学通信工程学院，陕西西安 710071
  3.空天地一体化综合业务网全国重点实验室，陕西西安 710071
- 作者简介：
  
  [ "赵璇（2002‒ ），女，西安电子科技大学网络与信息安全学院硕士生，主要研究方向为无线通信系统、网络空间安全、空天地一体化网络安全等。" ]
  [ "尹志胜（1990‒ ），男，西安电子科技大学通信工程学院副教授、硕士生导师，主要研究方向为空天地一体化网络、无线通信系统、面向6G的星地一体高效接入与传输技术、星地物理层安全通信方法、智能传输技术等。" ]
  [ "承楠（1987‒ ），男，西安电子科技大学通信工程学院教授、博士生导师，主要研究方向为智能车联网及先进交通系统、空天地一体化网络、人工智能与大数据技术在网络中的应用。" ]
  [ "刘永红（2002‒ ），男，西安电子科技大学网络与信息安全学院硕士生，主要研究方向为无线通信与系统、网络空间安全、空天地一体化网络安全等。" ]
  [ "王兆薇（2000‒ ），女，西安电子科技大学通信工程学院博士生，主要研究方向为空天地一体化网络、物理层安全、智能传输等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(62201432;62101429)
- DOI：10.11959/j.issn.2096-3750.2025.00456
  中图分类号： TN915.08;
- 收稿日期：2024-11-06，
  
  修回日期：2024-12-09，
  
  纸质出版日期：2025-03-30
- 稿件说明：
移动端阅览
赵璇,尹志胜,承楠等.星地异构共生安全保密性能分析[J].物联网学报,2025,09(01):82-88.

ZHAO Xuan,YIN Zhisheng,CHENG Nan,et al.Secrecy performance analysis of satellite-terrestrial heterogeneous symbiotic security[J].Chinese Journal on Internet of Things,2025,09(01):82-88.
赵璇,尹志胜,承楠等.星地异构共生安全保密性能分析[J].物联网学报,2025,09(01):82-88. DOI： 10.11959/j.issn.2096-3750.2025.00456.

ZHAO Xuan,YIN Zhisheng,CHENG Nan,et al.Secrecy performance analysis of satellite-terrestrial heterogeneous symbiotic security[J].Chinese Journal on Internet of Things,2025,09(01):82-88. DOI： 10.11959/j.issn.2096-3750.2025.00456.

摘要

星地融合网络中，卫星与地面异构网络采用频谱共享技术可以提升系统资源利用率。然而，这导致卫星与地面异构通信链路之间互相受到同频干扰，恶化了通信性能。星地异构共生安全通信可以将不利于通信的干扰变废为宝，使星地异构链路的安全传输形成互惠共生关系。对于窃听威胁场景下的星地安全传输需求，理论分析了星地共生安全通信的保密速率和保密中断概率，给出了保密速率的理论下界，且仿真结果验证了理论分析的正确性。研究结果表明，无需消耗额外资源，卫星和地面链路能够利用互惠干扰以共生的形式分别实现安全传输。

Abstract

In integrated satellite-terrestrial networks

satellite and terrestrial heterogeneous networks employ spectrum sharing technology to enhance system resource utilization. However

this approach results in mutual co-frequency interference between satellite and terrestrial communication links

degrading overall communication performance. The concept of satellite-terrestrial heterogeneous symbiotic secure communication is proposed to convert detrimental interference into a beneficial resource

making the safe transmission of satellite-terrestrial heterogeneous links form a mutually beneficial symbiotic relationship. The need for secure satellite-terrestrial transmission under eavesdropping threats was addressed by theoretically analyzing the secrecy rate and secrecy outage probability of the symbiotic secure communication system. A theoretical lower bound for the secrecy rate was derived

and simulation results validated the theoretical analysis. The findings indicate that the satellite and terrestrial links can be leveraged to achieve secure transmission through reciprocal interference

without the need for additional resource allocation.

关键词

Keywords

references

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