Abstract
Exponential stability of the nonlinear filtering equation is revisited, when the signal is a finite state Markov chain. An asymptotic upper bound for the filtering error due to an incorrect initial condition is derived in the case of a slowly switching signal.
| Original language | English |
|---|---|
| Pages (from-to) | 1185-1194 |
| Number of pages | 10 |
| Journal | Stochastic Processes and their Applications |
| Volume | 116 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2006 |
| Externally published | Yes |
Bibliographical note
Funding Information:The author is grateful to Rami Atar for elaborations on [1] and useful comments regarding the results of this paper. The research was supported by a grant from the Israel Science Foundation.
Keywords
- Hidden Markov models
- Kullback-Leibler relative entropy
- Lyapunov exponents
- Nonlinear filtering
- Stability