An investigation into the noise variance and the SNR estimators in imperfectly-synchronized OFDM systems.
Wei-Chieh HuangChih-Peng LiHsueh-Jyh LiPublished in: IEEE Trans. Wirel. Commun. (2010)
Keyphrases
- ofdm system
- noise variance
- minimum mean squared error
- channel estimation
- bit error rate
- signal to noise ratio
- noisy images
- estimation algorithm
- multipath
- wireless communication
- regularization parameter
- correlation coefficient
- noise level
- gaussian noise
- wiener filter
- computer simulation
- fading channels
- image noise
- channel coding
- denoising
- image processing
- image restoration
- noise reduction
- high resolution
- high frequency
- wireless sensor networks
- probabilistic model
- noise free
- denoising algorithm