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Optimal update with out-of-sequence measurements

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3 Author(s)
Keshu Zhang ; Dept. of Electr. Eng., Univ. of New Orleans, LA, USA ; Li, X.R. ; Yunmin Zhu

This paper is concerned with optimal filtering in a distributed multiple sensor system with the so-called out-of-sequence measurements (OOSM). Based on best linear unbiased estimation (BLUE) fusion, we present two algorithms for updating with OOSM that are optimal for the information available at the time of update. Different minimum storages of information concerning the occurrence time of OOSMs are given for both algorithms. It is shown by analysis and simulation results that the two proposed algorithms are flexible and simple.

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Signal Processing, IEEE Transactions on  (Volume:53 ,  Issue: 6 )