Low-complexity variable step-size adaptive equalizers for digital communications

Author

Hadei, Sayed A. ; Azmi, Paeiz

Author_Institution

Fac. of Electr. & Comput. Eng., Tarbiat Modares Univ., Tehran, Iran

fYear

2011

fDate

17-19 May 2011

Firstpage

1

Lastpage

6

Abstract

In this paper, we propose new low-complexity variable step-size version of the family of affine projection algorithms for adaptive channel equalization. Computational complexity of presented algorithms are reduced through selective partial update of the filter coefficient vector. Simulation results demonstrate the usefulness of the proposed algorithms in attenuating noise and intersymbol interference (ISI) with low-complexity and fast convergence rate.

Keywords

adaptive equalisers; adaptive filters; computational complexity; digital communication; interference suppression; intersymbol interference; ISI; adaptive channel equalization; afflne projection algorithm; computational complexity; digital communication; filter coefficient vector; intersymbol interference; low-complexity variable step-size version; noise attenuation; Adaptive equalizers; Equations; Least squares approximation; Noise; Projection algorithms; Training; Adaptive Filter; channel equalizer; intersymbol interference; low-complexity; variable step-size;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Engineering (ICEE), 2011 19th Iranian Conference on

Conference_Location

Tehran

Print_ISBN

978-1-4577-0730-8

Electronic_ISBN

978-964-463-428-4

Type

conf

Filename

5955689