Approximate Message Passing for Downlink Sparse Channel Estimation in FDD Massive MIMO.
Nikolay DandanovKrasimir TonchevVladimir PoulkovPavlina KolevaPublished in: TSP (2019)
Keyphrases
- message passing
- channel estimation
- inference in graphical models
- fading channels
- cdma systems
- communication systems
- wireless channels
- multipath
- code division multiple access
- ofdm system
- belief propagation
- distributed systems
- bit error rate
- frequency selective
- estimation algorithm
- wireless communication
- markov random field
- resource allocation
- computer simulation
- physical layer
- end to end
- application layer
- graphical models
- graph cuts
- post processing
- computational complexity
- signal to noise ratio