Exploiting Channel Sparsity in Massive MIMO Blind Signal Detection via ℓ2-ℓ1 Optimization Over the Stiefel Manifold.
Yuchen FengYing ZhangFan FeiJin WuYixin WuSongyan XueJinyan FanPublished in: SPAWC (2023)
Keyphrases
- signal detection
- channel estimation
- euclidean space
- high dimensional
- fading channels
- mimo systems
- communication systems
- weak signal
- ofdm system
- optimization algorithm
- wireless channels
- multiple input
- cdma systems
- multipath
- mimo ofdm
- optimization method
- optimization problems
- low signal to noise ratio
- feature space
- multi channel
- orthogonal frequency division multiplexing
- transmission scheme
- frequency selective
- multi input multi output
- dimensionality reduction