NDLI: Multi-user OFDM employing parallel interference cancellation assisted decision-directed channel estimation

Content Provider	IEEE Xplore Digital Library
Author	Munster, M. Hanzo, L.
Copyright Year	2002
Description	Author affiliation: Dept. of ECS, Southampton Univ., UK (Munster, M.; Hanzo, L.)
Abstract	Multiple reception antenna assisted space division multiple access (SDMA) techniques designed for wireless orthogonal frequency division multiplexing (OFDM) systems have drawn wide interest. These techniques facilitate the implementation of effective multi-user detection algorithms at the receiver. A prerequisite of their operation is the availability of an estimate of the channels' frequency domain transfer functions. This contribution analyses a recursive decision-directed channel estimator (DDCE). Our simulation results demonstrate that this channel transfer function estimator is capable of outperforming state-of-the-art transversal filter based DDCEs in terms of the mean-square estimation error in scenarios, where the product of the number of transmit antennas and the number of CIR taps to be estimated per transmit antenna approaches the number of subcarriers hosted by an OFDM symbol.
Starting Page	1413
Ending Page	1417
File Size	245399
Page Count	5
File Format	PDF
ISBN	0780374673
ISSN	10903038
DOI	10.1109/VETECF.2002.1040448
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Interference cancellation Channel estimation Transfer functions State estimation Transmitting antennas Multiaccess communication Multiuser detection Frequency estimation Frequency domain analysis
Content Type	Text
Resource Type	Article

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