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Deep Learning-Based SNR Estimation
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DOI：10.1109/OJCOMS.2024.3436640.png)
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摘要
En 中文
The signal-to-noise ratio (SNR) is an important metric for measuring signal quality and its estimation has received widespread attention in various application scenarios. In this paper, we propose an SNR estimation framework based on deep learning classification. Power spectrum input is proposed to reduce the computational complexity. We also propose an SNR estimation method based on deep learning regression to overcome the inevitable estimation error problem of classification-based methods in dealing with signals with SNR not within the training label set. We conduct a large number of simulation experiments considering various scenarios. Results show that the proposed methods have better estimation accuracy than two existing deep learning-based SNR estimation methods in different noises and multipath channels. Furthermore, the proposed methods only need to be trained under one modulation signals to adapt to SNR estimation of other modulation signals, with superior transfer performance. Finally, the method using the average periodogram as input has stronger adaptability in few-shot scenario and requires lower computational complexity compared to the method with in-phase and quadrature (IQ) input.
Keyword:
Signal to noise ratio
Estimation
Deep learning
Modulation
Accuracy
Maximum likelihood estimation
Convolutional neural networks
Signal-to-noise ratio
deep learning
convolutional neural network
classification
regression
期刊
I
IF:
4.3
论文数:
1.7K
被引数:
991
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