Subspace-based noise variance and SNR estimation for OFDM systems [mobile radio applications].
Xiaodong XuYa JingXiaohu YouPublished in: WCNC (2005)
Keyphrases
- ofdm system
- estimation algorithm
- noise variance
- wireless communication
- wireless systems
- channel estimation
- noisy images
- signal to noise ratio
- wireless networks
- gaussian noise
- correlation coefficient
- noise level
- wiener filter
- regularization parameter
- computationally efficient
- multipath
- image noise
- bit error rate
- fading channels
- feature extraction
- computer simulation
- maximum likelihood
- wireless sensor networks
- dimensionality reduction
- wireless channels