Exploiting Markov Random Field Sparsity for Wideband Channel Estimation in Massive MIMO Systems.
Xiaofeng LiuWenjin WangXinrui GongXiao FuXiqi GaoXiang-Gen XiaPublished in: WCSP (2022)
Keyphrases
- markov random field
- channel estimation
- fading channels
- multiple input multiple output
- bit error rate
- signal to noise ratio
- communication systems
- multipath
- wireless channels
- frequency selective
- ofdm system
- graph cuts
- wireless communication
- higher order
- belief propagation
- maximum a posteriori
- pairwise
- image segmentation
- random fields
- energy function
- computer simulation
- estimation algorithm
- code division multiple access
- video transmission
- sparse representation
- channel coding
- error correction
- non stationary
- physical layer
- computer systems
- edge detection
- computer vision