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Nested Sparse Approximation: Structured Estimation of V2V Channels Using Geometry-Based Stochastic Channel Model.
Sajjad Beygi
Urbashi Mitra
Erik G. Ström
Published in:
IEEE Trans. Signal Process. (2015)
Keyphrases
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probability distribution
sparse approximation
probabilistic model
higher order
parameter estimation
gaussian mixture model
bayesian framework
selection criterion
pursuit algorithm