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Adaptive Algorithms Performance Analysis for Adaptive Multiuser Detection over Time Varying Communications Channels

Krusevac, Zarko; Rapajic, Predrag; Kennedy, Rodney

Description

This paper analyzes the theoretical limits of the Least Mean Square (LMS) and Recursive Least Square (RLS) adaptive algorithms performance for the adaptive CDMA receivers in slowly time varying communication channels in the presence of multi-path. We show that since the RLS involves memory and does not explicitly recognize time varying nature of the channel (time varying "true" weights), it has worse tracking performance then the LMS adaptive algorithm. Thus, the implementation of the RLS...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Conference paper
URI: http://hdl.handle.net/1885/81489
Source: Proceedings of the 6th Australian Communications Theory Workshop 2005
DOI: 10.1109/AUSCTW.2005.1624252

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