基于观测矩阵优化的自适应压缩频谱感知
TN92; 推导了自适应压缩感知中的重构估算误差,研究了如何降低观测矩阵列向量之间的自相关性,分析了观测矩阵优化对压缩感知重构算法的影响.将观测矩阵优化与压缩感知自适应过程相结合,提出了基于观测矩阵优化的自适应压缩频谱感知算法.仿真结果证实,所提算法比传统算法重构时产生的均方误差(MSE)更低,在同一观测次数下检测概率更高,在达到同等接收操作性能(ROC)时所需观测次数更少....
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Published in | 通信学报 Vol. 35; no. 8; pp. 33 - 39 |
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Main Authors | , , , |
Format | Journal Article |
Language | Chinese |
Published |
南京邮电大学电子科学与工程学院,江苏南京210003%南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京,210003%南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京210003
2014
东南大学移动通信国家重点实验室,江苏南京210008 南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京210003 |
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Abstract | TN92; 推导了自适应压缩感知中的重构估算误差,研究了如何降低观测矩阵列向量之间的自相关性,分析了观测矩阵优化对压缩感知重构算法的影响.将观测矩阵优化与压缩感知自适应过程相结合,提出了基于观测矩阵优化的自适应压缩频谱感知算法.仿真结果证实,所提算法比传统算法重构时产生的均方误差(MSE)更低,在同一观测次数下检测概率更高,在达到同等接收操作性能(ROC)时所需观测次数更少. |
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AbstractList | TN92; 推导了自适应压缩感知中的重构估算误差,研究了如何降低观测矩阵列向量之间的自相关性,分析了观测矩阵优化对压缩感知重构算法的影响.将观测矩阵优化与压缩感知自适应过程相结合,提出了基于观测矩阵优化的自适应压缩频谱感知算法.仿真结果证实,所提算法比传统算法重构时产生的均方误差(MSE)更低,在同一观测次数下检测概率更高,在达到同等接收操作性能(ROC)时所需观测次数更少. |
Author | 杨震 王韦刚 胡海峰 顾彬 |
AuthorAffiliation | 南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京210003;南京邮电大学电子科学与工程学院,江苏南京210003%南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京,210003%南京邮电大学教育部宽带无线通信和传感网技术重点实验室,江苏南京210003;东南大学移动通信国家重点实验室,江苏南京210008 |
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Author_FL | GU Bin HU Hai-feng YANG Zhen WANG Wei-gang |
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Keywords | cognitive radio compressed sensing 压缩感知 measurement matrix spectrum detection 认知无线电 观测矩阵 频谱检测 |
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Title | 基于观测矩阵优化的自适应压缩频谱感知 |
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