物联网学报2025，Vol.9Issue(1)：82-88,7.DOI:10.11959/j.issn.2096-3750.2025.00456
星地异构共生安全保密性能分析
Secrecy performance analysis of satellite-terrestrial heterogeneous symbiotic security
摘要
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
星地异构融合网络/共生安全/安全传输/保密性能分析Key words
satellite-terrestrial heterogeneous network/symbiotic security/secure transmission/secrecy performance analysis分类
电子信息工程引用本文复制引用
赵璇,尹志胜,承楠,刘永红,王兆薇..星地异构共生安全保密性能分析[J].物联网学报,2025,9(1):82-88,7.基金项目
国家自然科学基金资助项目(No.62201432,No.62101429)The National Natural Science Foundation of China(No.62201432,No.62101429) （No.62201432,No.62101429）
