Uplink-aided downlink channel estimation in FDD massive MIMO by variational Bayesian inference.
Wei LuYongliang WangXiaoqiang HuaWei ZhangShixin PengLiang ZhongPublished in: ICCIP (2018)
Keyphrases
- channel estimation
- code division multiple access
- variational bayesian inference
- fading channels
- cdma systems
- bit error rate
- multipath
- communication systems
- wireless channels
- latent dirichlet allocation
- bayesian analysis
- frequency selective
- ofdm system
- scheduling and resource allocation
- application layer
- topic models
- additive white gaussian noise
- multiple input multiple output
- physical layer
- long term evolution
- computer simulation
- wireless communication
- end to end
- signal to noise ratio
- data analysis
- base station
- channel coding
- analytical model
- cellular networks
- estimation algorithm
- routing algorithm
- single user
- data transmission
- orthogonal frequency division multiplexing
- resource allocation
- computer systems
- graph cuts
- text mining
- probabilistic model