A comparison of two adaptive equalizers: DFE and ACE

Author

Lee, Inseop ; Jenkins, W. Kenneth

Author_Institution

Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA

Volume

4

fYear

1999

fDate

36342

Firstpage

435

Abstract

As mobile computing increases in popularity, inter-symbol interference (ISI) becomes more significant as one of the fundamental performance limitations in wireless communications. In this paper, we compare a modified structure for a decision feedback equalizer (DFE), called the adaptive canceler-equalizer (ACE), with the original DFE using finite-length filters. These two structures have different filter characteristics during training with finite-length filters. The performance of the ACE is shown to be better than either linear equalizers or decision-feedback equalizers for some channel environments

Keywords

adaptive equalisers; adaptive filters; decision feedback equalisers; filtering theory; intersymbol interference; ISI cancellation; adaptive canceler-equalizer; adaptive equalizers; decision feedback equalizer; filter characteristics; finite-length filters; intersymbol interference; modified structure; wireless communications; Adaptive equalizers; Decision feedback equalizers; Digital communication; Filters; Intersymbol interference; Inverse problems; Mobile communication; Mobile computing; Modems; Performance analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1999. ISCAS '99. Proceedings of the 1999 IEEE International Symposium on

Conference_Location

Orlando, FL

Print_ISBN

0-7803-5471-0

Type

conf

DOI

10.1109/ISCAS.1999.780035

Filename

780035