Elements of information theory
Elements of information theory
On the necessary density for spectrum-blind nonuniform sampling subject to quantization
ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 01
Shannon-theoretic limits on noisy compressive sampling
IEEE Transactions on Information Theory
A single-letter characterization of optimal noisy compressed sensing
Allerton'09 Proceedings of the 47th annual Allerton conference on Communication, control, and computing
Remote sampler: central brain architecture
RWS'10 Proceedings of the 2010 IEEE conference on Radio and wireless symposium
Channel estimation and user selection in the MIMO broadcast channel
Digital Signal Processing
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We analyze the asymptotic performance of sparse signal recovery from noisy measurements. In particular, we generalize some of the existing results for the Gaussian case to subgaussian and other ensembles. An achievable result is presented for the linear sparsity regime. A converse on the number of required measurements in the sub-linear regime is also presented, which cover many of the widely used measurement ensembles. Our converse idea makes use of a correspondence between compressed sensing ideas and compound channels in information theory.