Recursive least-squares backpropagation algorithm for stop-and-go decision-directed blind equalization

Stop-and-go decision-directed (S&G-DD) equalization is the most primitive blind equalization (BE) method for the cancelling of intersymbol-interference in data communication systems. Recently, this scheme has been applied to complex-valued multilayer feedforward neural network, giving robust res...

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Vydáno v:IEEE transactions on neural networks Ročník 13; číslo 6; s. 1472 - 1481
Hlavní autoři: Abrar, S., Zerguine, A., Bettayeb, M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States IEEE 01.11.2002
Témata:
Algorithms
Backpropagation algorithms
Blind equalizers
Blinds
Computer simulation
Convergence
Data communication
Decision feedback equalizers
Equalization
Feedforward neural networks
Least squares method
Least squares methods
Multi-layer neural network
Neural networks
Recursive
Robustness
ISSN:1045-9227
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Shrnutí:Stop-and-go decision-directed (S&G-DD) equalization is the most primitive blind equalization (BE) method for the cancelling of intersymbol-interference in data communication systems. Recently, this scheme has been applied to complex-valued multilayer feedforward neural network, giving robust results with a lower mean-square error at the expense of slow convergence. To overcome this problem, in this work, a fast converging recursive least squares (RLS)-based complex-valued backpropagation learning algorithm is derived for S&G-DD blind equalization. Simulation results show the effectiveness of the proposed algorithm in terms of initial convergence.
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ISSN:1045-9227
DOI:10.1109/TNN.2002.804282