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- W2513869610 abstract "Distributed compressive sensing is a framework considering jointly sparsity within signal ensembles along with multiple measurement vectors (MMVs). The current theoretical bound of performance for MMVs, however, is derived to be the same with that for single MV (SMV) because no assumption about signal ensembles is made. In this work, we propose a new concept of inducing the factor called Euclidean distances between signals for the performance analysis of MMVs. The novelty is that the size of signal ensembles will be taken into consideration in our analysis to theoretically show that MMVs indeed exhibit better performance than SMV. Although our concept can be broadly applied to CS algorithms with MMVs, the case study conducted on a well-known greedy solver called simultaneous orthogonal matching pursuit (SOMP) will be explored in this paper. We show that the performance of SOMP, when incorporated with our concept by modifying the steps of support detection and signal estimations, will be improved remarkably, especially when the Euclidean distances between signals are short. The performance of modified SOMP is verified to meet our theoretical prediction." @default.
- W2513869610 created "2016-09-16" @default.
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- W2513869610 date "2016-09-07" @default.
- W2513869610 modified "2023-09-27" @default.
- W2513869610 title "Distributed Compressive Sensing: Performance Analysis with Diverse Signal Ensembles" @default.
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- W2513869610 doi "https://doi.org/10.48550/arxiv.1609.01899" @default.
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