NDLI: Block-iterative GDFE (BI-GDFE) for CP-CDMA and MC-CDMA

Content Provider	IEEE Xplore Digital Library
Author	Ying-Chang Liang
Copyright Year	2005
Description	Author affiliation: Institute for Infocomm Res., Singapore (Ying-Chang Liang)
Abstract	A low-complexity block-iterative generalized decision feedback equalizer (BI-GDFE) receiver is proposed for CP-CDMA and MC-CDMA to iteratively and simultaneously (but not jointly) detect the multiuser signals. It utilizes the previously-made decisions to cancel out both multiple access interference (MAI) and inter-symbol interference (ISI) and to estimate the transmitted symbols by maximizing the output signal-to-interference-plus-noise ratio (SINR). We decouple the long spreading codes from the channel matrix, thus the key components of the equalizers are two one-tap filters, which are determined by the physical channel knowledge. Computer simulations have shown that single user near-MFB performance is attainable for rich multipath environment using the proposed receiver within several iterations.
Starting Page	3033
Ending Page	3037
File Size	135540
Page Count	5
File Format	PDF
ISBN	0780388879
ISSN	15502252
DOI	10.1109/VETECS.2005.1543904
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-30
Publisher Place	Sweden
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multicarrier code division multiple access Multiple access interference Intersymbol interference Multiaccess communication MIMO Decision feedback equalizers Signal detection Interference cancellation Filters Computer simulation
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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