DocumentCode :
431701
Title :
Particle filter algorithms for joint blind equalization/decoding of convolutionally coded signals
Author :
Bordin, Claudio J., Jr. ; Baccalá, Luiz A.
Author_Institution :
Escola Politecnica, Sao Paulo Univ., Brazil
Volume :
3
fYear :
2005
fDate :
18-23 March 2005
Abstract :
This work introduces the use of particle filters for joint blind equalization/decoding of convolutionally coded signals transmitted over frequency selective channels. As in the equalization-only case, we show how to evaluate the optimal importance function recursively via a bank of Kalman filters. Numerical simulation investigations using both stochastic and deterministic particle selection strategies show the outstanding superiority of the deterministic joint equalization/decoding method over approaches that perform blind equalization using particle filters prior to optimal decoding.
Keywords :
Kalman filters; blind equalisers; convolutional codes; decoding; importance sampling; optimisation; recursive estimation; Kalman filter bank; convolutionally coded signals; deterministic particle selection strategies; frequency selective channels; importance function recursive optimization; importance sampling; joint blind equalization/decoding; particle filter algorithms; sequential Monte-Carlo methods; stochastic particle selection strategies; Additive noise; Bayesian methods; Binary phase shift keying; Blind equalizers; Convolution; Convolutional codes; Decoding; Electronic mail; Frequency; Particle filters;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
ISSN :
1520-6149
Print_ISBN :
0-7803-8874-7
Type :
conf
DOI :
10.1109/ICASSP.2005.1415755
Filename :
1415755
Link To Document :
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