Suboptimum search algorithm in conjunction with iterative linear multiuser detector for uplink

Author

Mozaffaripour, M. ; Tafazolli, R.

Author_Institution

Mobile Commun. Res. Group, Surrey Univ., Guildford, UK

Volume

1

fYear

2003

fDate

7-10 Sept. 2003

Firstpage

973

Abstract

A suboptimum search algorithm to suppress the interference level in conjunction with a primary stage of iterative linear multiuser detector for the mobile uplink is proposed. The initial stage is improved through analytical analysis. The structure of the iterative method and the suboptimum search algorithm are well suited together and makes them collaboratively work without encountering a high level of complexity. Considering the power profile of the users in the suboptimum search algorithm leaded to even less complexity, yet keeping the performance almost the same. The performance of the structure is obtained by simulations and has been compared to parallel interference cancellation method.

Keywords

code division multiple access; interference suppression; iterative methods; mobile communication; multiuser detection; radio links; radiofrequency interference; search problems; iterative linear multiuser detector; iterative method; mobile uplink; parallel interference cancellation; suboptimum search algorithm; Decorrelation; Detectors; Iterative algorithms; Iterative methods; Matched filters; Mobile communication; Multiaccess communication; Multiple access interference; Polynomials; Power system modeling;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on

Print_ISBN

0-7803-7822-9

Type

conf

DOI

10.1109/PIMRC.2003.1264419

Filename

1264419