一个混合组合和自动编码方案,用于提高认知无线电网络的传感可靠性
Noor Gul1, Jehad Ali2, Sana Ul Haq1
1Department of Electronics, University of Peshawar, Peshawar, Khyber Pakhtunkhwa, Pakistan.
PloS one
|December 30, 2025
概括
本研究引入了一种带有无声自编码器 (ECDAE) 的混合组合分类器,用于在认知无线电网络 (CRN) 中可靠的合作频谱传感 (CSS). ECDAE框架显著降低了错误概率,并提高了对错误传感攻击的稳定性.
科学领域:
- 无线通信无线通信
- 信号处理 信号处理
- 机器学习 机器学习
背景情况:
- 在认知无线电网络 (CRN) 中的合作频谱传感 (CSS) 在可靠性和稳定性方面面临挑战.
- 错误检测用户 (FSU) 和变化的通道条件降低了传统CSS方案的性能.
研究的目的:
- 为提高CSS性能提出一个新的混合组合分类器与Denoising自编码器 (ECDAE) 框架.
- 提高频谱传感的准确性和稳定性,防止错误传感攻击和道不确定性.
主要方法:
- 集成分类器 (EC) 根据检测概率,错误报警率和通道条件动态优化传感时间.
- 在软核聚变之前,Denoising自编码器 (DAE) 预处理软组合能量,以减轻FSU的影响.
- 在不同的信号噪声比 (SNR) 和错误检测场景下,ECDAE框架与各种传统和先进的方法进行了评估.
主要成果:
- 欧洲共同体组件的表现优于其他分类器,如RFC,NN,DT,KNN,GNB,RUSBoost和XGBoost,获得高F1评分 (99.23%),准确性 (99.78%) 和MCC (99.6%).
- 根据ECDAE框架,错误概率显著降低:与IGS/HGS相比降低了99.4%,与IGS/HGS相比降低了98.1%,与PSO/DE-ML/CNN相比降低了92.7%-97.2%.
- 该框架在四种不同的错误检测场景 (NFS,YFS,OFS,YNFS) 中保持了稳定性,确保了最小的全球决策错误概率.
结论:
- 拟议的ECDAE框架为CRN中的CSS提供了卓越的可靠性和稳定性.
- 优化的传感时间和基于DAE的降噪有效地提高了聚变中心的传感性能.
- 与现有方法相比,ECDAE提供了显著的进步,特别是在具有挑战性的SNR和错误传感条件下.
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