NDLI: Low complexity iterative receiver for multiuser STBC block transmission systems

Content Provider	IEEE Xplore Digital Library
Author	Dongming Wang Jingyu Hua Xiqi Gao Xiaohu You Woogoo Park
Copyright Year	2004
Description	Author affiliation: Nat. Comm. Res. Lab., Southeast Univ., Nanjing, China (Dongming Wang; Jingyu Hua; Xiqi Gao; Xiaohu You)
Abstract	In this paper, a low complexity space-frequency iterative detection and decoding scheme is developed for multiuser space-time block-coded (STBC) block transmission systems, such as the cyclic prefix based single-carrier block transmission (CP-SCBT) system and OFDM system. Using the algebraic properties of such systems, the MMSE-based turbo detection algorithm can be implemented in the frequency domain and then the complexity of the matrix inversion can be reduced greatly. The performance of the iterative receiver for multiuser STBC block transmission systems with bit-interleaved coded modulation (BICM) is evaluated in mobile multipath frequency selective channels through computer simulations. It has been shown that the proposed receiver significantly outperforms the conventional noniterative receiver. Moreover, at high signal-to-noise ratio, the detrimental effects of multiple-access interference (MAI) and intersymbol interference (ISI) in the channel can almost be completely overcome by the turbo processing, and the performance is very close to that of BICM in a Gaussian channel.
Starting Page	1086
Ending Page	1090
File Size	560201
Page Count	5
File Format	PDF
ISBN	0780387945
DOI	10.1109/GLOCOM.2004.1378125
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intersymbol interference Multiple access interference Iterative decoding Detection algorithms Frequency domain analysis Interleaved codes Modulation coding OFDM modulation Mobile computing Computer simulation
Content Type	Text
Resource Type	Article

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