L0-Optimization for Channel and DOA Sparse Estimation
- Chinatto, Adilson
- Soubies, Emmanuel
- Junqueira, Cynthia
- Romano, Joâo M. T.
- Larzabal, Pascal
- Barbot, Jean-Pierre
- Blanc-Féraud, Laure
Publication date
December 2015
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
International audienceThis paper is devoted to two classical sparse problems in array processing: Channel estimation and DOA estimation. It is shown after some background and some recent results in l0 optimization how this latter can be used, at the same computational cost, in order to obtain improvement in comparison with l1 optimization for sparse estimation
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