通信学报2025，Vol.46Issue(2)：136-146,11.DOI:10.11959/j.issn.1000-436x.2025012
三维星座缩放加密的扩展加权分数傅里叶变换安全通信方法
Extended weighted fractional Fourier transform secure communication method based on 3D constellation scaling encryption
摘要
Abstract
To solve the security problems caused by the openness of wireless communication,an extended weighted frac-tional Fourier transform secure communication method based on 3D constellation scaling encryption was proposed from the signal level.A chaotic three-dimensional Brownian motion sequence was designed to control the scaling parameters and a random scaling matrix was generated,which was used to encrypt each constellation symbol.Then,the constellation-scaled encrypted symbols were combined into I/Q signals and subjected to extended weighted fractional Fourier transform processing.Furthermore,a probabilistic model of the three-dimensional constellation scaling encryp-tion was given,proving that it had complete confidentiality.Simulation results show that the proposed method encrypts the original constellation diagram,which is originally distributed in a regular manner,and that even a slight change in the key space cannot decrypt any valuable information.关键词
三维星座/缩放加密/扩展加权分数傅里叶变换/混沌三维布朗运动Key words
three-dimensional constellation/scaling encryption/extended weighted fractional Fourier transform/chaotic three-dimensional Brownian motion分类
电子信息工程引用本文复制引用
孟庆微,贠彦直,王晗..三维星座缩放加密的扩展加权分数傅里叶变换安全通信方法[J].通信学报,2025,46(2):136-146,11.基金项目
国家自然科学基金资助项目(No.62101591) The National Natural Science Foundation of China(No.62101591) （No.62101591）
