Finite multi-coset sampling and sparse arrays
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Wornell_Finite multi-coset.pdf
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106.18 KB
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Author(s)
Kochman, Yuval
Wornell, Gregory W.
Date Issued
April 2011
Journal
Proceedings of the Information Theory and Applications Workshop (ITA), 2011
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Kochman, Yuval, and Gregory W. Wornell. “Finite Multi-coset Sampling and Sparse Arrays.” Information Theory and Applications Workshop (ITA), 2011. 1–7.
Version
Author's final manuscript
Abstract
Signals with sparse but otherwise unknown frequency content are well-represented by multi-coset samples, and efficient algorithms can be used to recover the underlying sparsity structure. While such sampling is usually analyzed over a sampling interval sufficiently large that edge effects can be ignored, in this work we develop how to take into account finite-window effects in system design. Such considerations are particularly important in the context of antenna arrays, and we analyze the associated redundancy. Additionally, we describe an efficient MIMO radar implementation of multi-coset arrays. As an example application of our results, we develop a natural two-stage architecture for direction-of-arrival estimation in sparse environments using a multi-coset array over the available aperture.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Terms of Use
Creative Commons Attribution-Noncommercial-Share Alike 3.0
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1109/ITA.2011.5743619
