Title :
Equalizer for an IR-wireless LAN using RBF neural networks
Author :
Perez-Jimenez, R. ; Martin-Bernardo, J. ; Melian, V.M. ; Alzola, J. Ruiz ; Betancor, M.J.
Author_Institution :
Dpt. Electron. y Telecomunicacion, Univ. de Las Palmas de G.C., Las Palmas, Spain
Abstract :
The application of a RBF (radial basis function) neural network to an adaptive equalizer at the receiver of a wireless IR-LAN is considered. Fixing the decision threshold and classifying the received binary signals are the main functions of the RBF. The general problem of equalization binary signals, passed through a dispersive channel and corrupted with noise, is briefly described. The characterization of the receiver and the effects of both Gaussian and shot noise over the signals are studied. A possible architecture for the equalizer and a comparison with other classical structures (multilayer perceptron and linear transversal equalizer), as well as simulation results are given. Considerations about the way of reducing computational complexity are proposed
Keywords :
adaptive equalisers; computational complexity; feedforward neural nets; local area networks; wireless LAN; IR-wireless LAN; RBF neural networks; adaptive equaliser; binary signals; computational complexity; decision threshold; dispersive channel; radial basis function neural net; Adaptive equalizers; Computational complexity; Dispersion; Intersymbol interference; Local area networks; Multilayer perceptrons; Neural networks; Noise cancellation; Telecommunications; Working environment noise;
Conference_Titel :
Local Computer Networks, 1993., Proceedings., 18th Conference on
Conference_Location :
Minneapolis, MN
Print_ISBN :
0-8186-4510-5
DOI :
10.1109/LCN.1993.591261