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On optimal state estimation with multiple packet dropouts

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2 Author(s)
Zhansheng Duan ; Department of Electrical Engineering, University of New Orleans, New Orleans, LA 70148, U.S.A. ; X. Rong Li

Due to unreliable communication between local sensors and the processing center, packet dropouts may happen during transmission. Two existing methods for linear minimum mean-squared error (LMMSE) estimation with multiple packet dropouts were obtained completely or partially based on a stochastic parameter system constructed by augmenting the original state and measurement. They have a high computational load, unclear measurement residual characterization and tough requirements on initialization. To overcome these, an alternative form of LMMSE estimation with multiple packet dropouts is derived. Under a Gaussian assumption, the minimum mean-squared error (MMSE) estimation with multiple packet dropouts is also derived. Numerical examples are provided to compare performance of the proposed estimators.

Published in:

Information Fusion (FUSION), 2010 13th Conference on

Date of Conference:

26-29 July 2010