Joint Channel, Carrier-Frequency-Offset and Noise-Variance Estimation for OFDM Systems Based on Expectation Maximization.
Jiankang ZhangXiaomin MuLajos HanzoPublished in: VTC Spring (2010)
Keyphrases
- carrier frequency offset
- ofdm system
- noise variance
- expectation maximization
- estimation algorithm
- channel estimation
- em algorithm
- noisy images
- orthogonal frequency division multiplexing
- wireless communication
- maximum likelihood
- noise level
- mimo ofdm systems
- multipath
- bit error rate
- fading channels
- additive white gaussian noise
- probabilistic model
- computer simulation
- image segmentation
- recursive least squares
- gaussian noise
- multiresolution