Sparsity-Based Channel Estimators

RKHSChannelEstimator(resource_grid, *, ...)	Channel estimator that leverages sparsity through RKHS regularization.
SparseDiffuseChannelEstimator(resource_grid, *)	Channel estimator that leverages sparsity through hyyrid diffuse/sparse atomic-norm minimization.
SBLChannelEstimator(resource_grid[, ...])	Channel estimator that leverages sparsity in the delay domain through Sparse Bayesian Learning (SBL).