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Apr 26, 2010 · A new approach to estimating sparse (or effectively sparse) multipath channels that is based on some of the recent advances in the theory of compressed sensing.
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BS-IRS-user (cascade) channel. Channel estimation can then be cast as a sparse signal recovery problem and existing compressed-sensing methods can be employed.
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The notion of multipath sparsity is formalized and a new approach to estimating sparse multipath channels is presented that is based on some of the recent ...