Message Passing Based Joint Channel and User Activity Estimation for Uplink Grant-Free Massive MIMO Systems With Low-Precision ADCs.
Qiuyun ZouHaochuan ZhangDonghong CaiHongwen YangPublished in: IEEE Signal Process. Lett. (2020)
Keyphrases
- message passing
- mimo systems
- user activity
- wireless channels
- low complexity
- belief propagation
- fading channels
- distributed systems
- video transmission
- user behavior
- online social networks
- markov random field
- code division multiple access
- multipath
- multiple input multiple output
- video quality
- wireless communication
- estimation algorithm
- graphical models
- bit error rate
- data transmission
- channel coding
- application layer
- computational complexity
- social media
- channel estimation
- ofdm system
- user preferences
- end to end
- video content
- error propagation
- bitstream
- communication systems
- computer vision