Exact Cramer-Rao Bounds for Semi-blind Channel Estimation in Amplify-and-Forward Two-Way Relay Networks
Saeed AbdallahIoannis N. PsaromiligkosPublished in: CoRR (2012)
Keyphrases
- channel estimation
- cramer rao
- lower bound
- communication systems
- multipath
- cdma systems
- fading channels
- image registration
- upper bound
- ofdm system
- estimation algorithm
- bit error rate
- noise level
- fisher information
- parameter estimates
- worst case
- objective function
- end to end
- signal to noise ratio
- error bounds
- network structure
- computer simulation
- optimal solution
- routing algorithm
- computer networks
- physical layer