Combined linear-decision feedback sequence estimation: an improved system design

Author

Aldosari, Saeed A. ; Alshebeili, Saleh A. ; Al-Sanie, Abdulhameed M.

Author_Institution

Dept. of Electr. Eng., King Saud Univ., Riyadh, Saudi Arabia

Volume

2

fYear

2001

fDate

6-9 May 2001

Firstpage

261

Abstract

Decision feedback sequence estimation (DFSE) is a reduced state alternative to maximum likelihood sequence estimation (MLSE). In this paper, we examine the performance of a system composed of a linear pre-filter in conjunction with a DFSE. In addition, we present a new optimization approach for the linear pre-filter. This approach has an advantage over MSE-based approaches in that it takes into account the effects of noise correlation and error distance variations. The performance of the proposed optimization approach is evaluated and compared with several existing optimization techniques

Keywords

automatic repeat request; computational complexity; filtering theory; DFSE; combined linear-decision feedback sequence estimation; error distance variations; linear pre-filter; noise correlation; optimization approach; optimization techniques; reduced state alternative; Additive white noise; Bit error rate; Decision feedback equalizers; Feeds; Intersymbol interference; Maximum likelihood detection; Maximum likelihood estimation; State estimation; State feedback; Viterbi algorithm;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on

Conference_Location

Sydney, NSW

Print_ISBN

0-7803-6685-9

Type

conf

DOI

10.1109/ISCAS.2001.921057

Filename

921057