MAI-suppression with fractional T-equalizer for CDMA

Authors:
Klaus Knoche;Jäurgen Rinas;Karl-Dirk Kammeyer
Affiliations:
University of Bremen, Bremen, Germany;University of Bremen, Bremen, Germany;University of Bremen, Bremen, Germany
Venue:
ISICT '03 Proceedings of the 1st international symposium on Information and communication technologies
Year:
2003

Citing 2
Cited 0

Adaptive filter theory (3rd ed.)

Adaptive filter theory (3rd ed.)
Adaptive Interference Suppression for the Downlink of a Direct Sequence CDMA System with Long Spreading Sequences

Journal of VLSI Signal Processing Systems

Quantified Score

Hi-index	0.00

Visualization

Abstract

Wideband CDMA systems with orthogonal spreading codes suffer severely due to the loss of orthogonality by multipath propagation. This yields Multiple Access Interference (MAI) which gravely reduces the performance of classical systems with Rake-receivers.In our approach we attempt to restore orthogonality again by using a fractional T-equalizer. The results are compared with a system using the tapped delay line equalizer that works in chip duration and the classical solution for wideband CDMA systems, the Rake-receiver.