Improved maximum a posteriori signal detection for amplify-and-forward relay networks with imperfect channel state information.
Yi ZhangMohammad Ali KhalighiSajad SadoughSalah BourennanePublished in: IET Commun. (2014)
Keyphrases
- maximum a posteriori
- signal detection
- markov random field
- map estimation
- maximum likelihood
- image reconstruction
- energy function
- em algorithm
- posterior distribution
- expectation maximization
- prior model
- generalized gaussian
- prior distribution
- low signal to noise ratio
- higher order
- shortest path
- high quality
- super resolution