NDLI: Linear multiuser receivers in random spreading with RAKE combining: turbo-coded system performance

Content Provider	IEEE Xplore Digital Library
Author	Seokhyun Yoon Bar-Ness, Y.
Copyright Year	2001
Description	Author affiliation: Center for Commun. & Signal Process. Res., New Jersey Inst. of Technol., Newark, NJ, USA (Seokhyun Yoon)
Abstract	We analyze the performance of linear CDMA multiuser receivers with RAKE combining in multipath fading channel and compare their BER performances in turbo-coded system. To simplify the analysis, we used similar approach to the standard Gaussian approximation. We assume the use of long spreading sequences for the conventional matched filter detector while short spreading sequences for linear multiuser receivers. To obtain the PDF of the combiner output SNIR, a simplified SNIR expression is derived by averaging over all possible combination of time and phase delays but conditioned on the channel gain and the random cross-correlations of spreading waveforms. Then, we evaluate their BER performances in a turbo-coded system by taking the average over the output SNIR. The approach shown can provide helpful insight for system design and planning in 3G wireless systems.
Starting Page	1748
Ending Page	1752
File Size	456782
Page Count	5
File Format	PDF
ISBN	078037147X
ISSN	10586393
DOI	10.1109/ACSSC.2001.987784
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-11-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	RAKE receivers Bit error rate Turbo codes Performance analysis Multiaccess communication Fading Gaussian approximation Matched filters Detectors Delay effects
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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