Robust sequential detection in distributed sensor networks
MR Leonard, AM Zoubir - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
IEEE Transactions on Signal Processing, 2018•ieeexplore.ieee.org
We consider the problem of sequential binary hypothesis testing with a distributed sensor
network in a non-Gaussian noise environment. To this end, we present a general
formulation of the Consensus+ Innovations Sequential Probability Ratio Test (SPRT).
Furthermore, we introduce two different concepts for robustifying the SPRT and propose four
different algorithms, namely the Least-Favorable-Density-SPRT, the Median-SPRT, the M-
SPRT, and the Myriad-SPRT. Subsequently, we analyze their suitability for different binary …
network in a non-Gaussian noise environment. To this end, we present a general
formulation of the Consensus+ Innovations Sequential Probability Ratio Test (SPRT).
Furthermore, we introduce two different concepts for robustifying the SPRT and propose four
different algorithms, namely the Least-Favorable-Density-SPRT, the Median-SPRT, the M-
SPRT, and the Myriad-SPRT. Subsequently, we analyze their suitability for different binary …
We consider the problem of sequential binary hypothesis testing with a distributed sensor network in a non-Gaussian noise environment. To this end, we present a general formulation of the Consensus + Innovations Sequential Probability Ratio Test (SPRT). Furthermore, we introduce two different concepts for robustifying the SPRT and propose four different algorithms, namely the Least-Favorable-Density- SPRT, the Median-SPRT, the M-SPRT, and the Myriad-SPRT. Subsequently, we analyze their suitability for different binary hypothesis tests before verifying and evaluating their performance in a shift-in-mean and a shift-in-variance scenario for different network connectivities and amounts of noise contamination.
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