Cramer-Rao bounds of SNR estimates for BPSK and QPSK modulated signals.
Nader Sheikholeslami AlaghaPublished in: IEEE Commun. Lett. (2001)
Keyphrases
- cramer rao
- modulation scheme
- lower bound
- error bounds
- bit error rate
- fisher information
- image registration
- signal to noise ratio
- ofdm system
- noise level
- upper bound
- parameter estimates
- computer simulation
- theoretical analysis
- multipath
- noise reduction
- np hard
- worst case
- optimal solution
- communication systems
- received signal
- maximum likelihood
- noisy images
- ds cdma
- code division multiple access
- analytical model
- estimation algorithm
- distance measure
- fading channels
- positive definite
- least squares
- free energy
- error rate
- estimation error