Self-organizing maps for rapidly fading nonlinear channel equalization

Author

Paquier, Williams ; Ibnkahla, Mohamed

Author_Institution

Nat. Polytech. Inst. of Toulouse, France

Volume

2

fYear

1998

fDate

4-9 May 1998

Firstpage

865

Abstract

Proposes a self-organizing map (SOM) approach to equalize time-varying nonlinear channels. The approach is applied to a satellite mobile communication (S-UMTS) channel composed of time invariant linear filters, a nonlinear memoryless amplifier and a time-varying multipath propagation channel. Multipath fading is represented by a periodic time-varying linear filter. The paper gives several simulation results in order to show the performance and convergence behavior of the SOM. The paper illustrates also the capability of the SOM to track the channel changes

Keywords

adaptive equalisers; convergence; fading; mobile satellite communication; multipath channels; self-organising feature maps; telecommunication computing; time-varying channels; time-varying filters; S-UMTS channel; convergence behavior; multipath fading; nonlinear memoryless amplifier; periodic time-varying linear filter; rapidly fading nonlinear channel equalization; satellite mobile communication channel; self-organizing maps; time-varying multipath propagation channel; time-varying nonlinear channels; 3G mobile communication; Additive noise; Fading; Neurons; Nonlinear distortion; Nonlinear filters; Quadrature phase shift keying; Satellite broadcasting; Self organizing feature maps; Topology;

fLanguage

English

Publisher

ieee

Conference_Titel

Neural Networks Proceedings, 1998. IEEE World Congress on Computational Intelligence. The 1998 IEEE International Joint Conference on

Conference_Location

Anchorage, AK

ISSN

1098-7576

Print_ISBN

0-7803-4859-1

Type

conf

DOI

10.1109/IJCNN.1998.685881

Filename

685881