Convergence and stability analysis of the adaptive “Bootstrap” CDMA multi-user detector

Author

Lee, Cheng-Chou ; Bar-Ness, Yeheskel

Author_Institution

Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ, USA

fYear

1999

fDate

6-10 Jun 1999

Firstpage

168

Lastpage

171

Abstract

The “Bootstrap” algorithm provides an efficient adaptive mult-user detection approach to solve the near-far problem in CDMA communication systems. The weight vectors are controlled by a simple decorrelation scheme which minimizes the correlation between their outputs and the hard limited version of the other outputs, respectively. It has been shown that the “Bootstrap” algorithm provides performance similar to that of MMSE with low complexity. In this article, the convergence and stability of the “Bootstrap” algorithm is considered. Sufficient conditions for the code cross-correlation and the step size are provided

Keywords

adaptive signal detection; code division multiple access; convergence of numerical methods; correlation methods; decorrelation; filtering theory; matched filters; matrix algebra; numerical stability; Bootstrap algorithm; CDMA communication systems; MMSE; adaptive Bootstrap CDMA multi-user detector; code cross-correlation; convergence analysis; correlation minimization; decorrelation; low complexity; matched filter; matrix; near-far problem; performance; stability analysis; step size; sufficient conditions; weight vectors; Adaptive signal detection; Convergence; Decorrelation; Detectors; Matched filters; Multiaccess communication; Multiuser detection; Propagation delay; Signal processing algorithms; Stability analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Theory Mini-Conference, 1999

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-5653-5

Type

conf

DOI

10.1109/CTMC.1999.790258

Filename

790258