Title :
Per-survivor processing and tentative decisions: what is in between?
Author :
Raheli, Riccardo ; Marino, Giovanni ; Castoldi, Piero
Author_Institution :
Dept. di Ingegneria dell´´Inf., Parma Univ., Italy
fDate :
2/1/1996 12:00:00 AM
Abstract :
In per-survivor processing (PSP), the number of parameter estimators equals the number of retained hypothetical data sequences (survivors). The authors propose an algorithm which uses an arbitrary number of parameter estimators and compromises between the two extremes of tentative decisions (one parameter estimator) and PSP. Specific applications to reduced state sequence estimation (RSSE) and maximum likelihood sequence estimation (MLSE) with adaptive tracking of a fading channel are considered
Keywords :
adaptive estimation; adaptive signal detection; decision theory; estimation theory; fading; maximum likelihood estimation; reduced order systems; time-varying channels; tracking; adaptive tracking; fading channel; hypothetical data sequences; maximum likelihood sequence estimation; parameter estimators; per-survivor processing; reduced state sequence estimation; tentative decisions; Delay estimation; Fading; Interference cancellation; Intersymbol interference; Maximum likelihood detection; Maximum likelihood estimation; Parameter estimation; State estimation; Uncertainty; Viterbi algorithm;
Journal_Title :
Communications, IEEE Transactions on
