Channel Estimation for Relay-Based M2M Two-Way Communications Using Expectation-Maximization.
Xiaoyan XuJianjun WuChen ChenWenyang GuanHaige XiangPublished in: Int. J. Distributed Sens. Networks (2013)
Keyphrases
- channel estimation
- communication systems
- expectation maximization
- em algorithm
- cdma systems
- maximum likelihood
- frequency selective
- multiple access
- multipath
- estimation algorithm
- computer systems
- probabilistic model
- k means
- bit error rate
- ofdm system
- image segmentation
- wireless channels
- communication networks
- high resolution
- base station
- wireless communication
- computer simulation
- image quality
- multiscale
- bayesian networks