Reduced-state sequence estimation of digital sequencesin dispersive channelsusing state partitioning

6 January 1994

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 30 (1) , 14-16
https://doi.org/10.1049/el:19940068

Abstract

A reduced-state sequence estimator for linear dispersive channels is described. The estimator is based on partitioning the set of all possible channel states in a way that defines a trellis with fewer states, and thus reduces complexity. Such a set partitioning approach provides a good performance/complexity tradeoff. The new technique is a generalisation of that described by Duel-Hallen and Heegard . The Viterbi algorithm (VA) is used to search for the best path through the reduced state trellis.

Keywords

DIGITAL SEQUENCES
STATE PARTITIONING
REDUCED-STATE SEQUENCE ESTIMATION
TELECOM CHANNELS
LINEAR DISPERSIVE CHANNELS
INTERSYMBOL INTERFERENCE
SET PARTITIONING APPROACH
PERFORMANCE/COMPLEXITY TRADEOFF
VITERBI ALGORITHM
REDUCED STATE TRELLIS

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