Cramer-Rao Bound for SNR Estimation of Hyper-Cubic Signals Over Gaussian Channel.
Muhammad Ahmad RazaArshad HussainPublished in: IEEE Commun. Lett. (2014)
Keyphrases
- cramer rao
- lower bound
- upper bound
- image registration
- noise level
- modulation scheme
- received signal
- signal to noise ratio
- noise reduction
- single channel
- np hard
- objective function
- worst case
- optimal solution
- gaussian mixture model
- estimation error
- parameter estimates
- graphical models
- experimental data
- maximum likelihood
- ofdm system
- image processing