This paper appears in: Proceedings of the IEEE
Publication Date: March 1973
Volume: 61,
Issue: 3
On page(s): 268- 278
ISSN: 0018-9219
Current Version Published: 2005-06-28
Abstract
The Viterbi algorithm (VA) is a recursive optimal solution to the problem of estimating the state sequence of a discrete-time finite-state Markov process observed in memoryless noise. Many problems in areas such as digital communications can be cast in this form. This paper gives a tutorial exposition of the algorithm and of how it is implemented and analyzed. Applications to date are reviewed. Increasing use of the algorithm in a widening variety of areas is foreseen.
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