Message Passing-Based Structured Sparse Signal Recovery for Estimation of OTFS Channels With Fractional Doppler Shifts.
Fei LiuZhengdao YuanQinghua GuoZhongyong WangPeng SunPublished in: IEEE Trans. Wirel. Commun. (2021)
Keyphrases
- signal recovery
- message passing
- belief propagation
- distributed systems
- probabilistic inference
- approximate inference
- compressed sensing
- markov random field
- orthogonal matching pursuit
- sum product algorithm
- parameter estimation
- dictionary learning
- graphical models
- signal processing
- random projections
- projections onto convex sets
- high dimensional