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CLC number: TN929.5

On-line Access: 2010-09-30

Received: 2009-12-01

Revision Accepted: 2010-02-01

Crosschecked: 2010-09-06

Cited: 4

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE C 2010 Vol.11 No.10 P.798-807

http://doi.org/10.1631/jzus.C0910735


A novel differential multiuser detection algorithm for multiuser MIMO-OFDM systems


Author(s):  Zheng-min Kong, Guang-xi Zhu, Qiao-ling Tong, Yan-chun Li

Affiliation(s):  Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China, Wuhan National Lab for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China, Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

Corresponding email(s):   kongzhengmin5@163.com

Key Words:  Multiuser detection (MUD), Orthogonal frequency division multiplexing (OFDM), Multiple-input multiple-output (MIMO), Decision feedback equalizer (DFE), Error feedback filter (EFF), Differential algorithm


Zheng-min Kong, Guang-xi Zhu, Qiao-ling Tong, Yan-chun Li. A novel differential multiuser detection algorithm for multiuser MIMO-OFDM systems[J]. Journal of Zhejiang University Science C, 2010, 11(10): 798-807.

@article{title="A novel differential multiuser detection algorithm for multiuser MIMO-OFDM systems",
author="Zheng-min Kong, Guang-xi Zhu, Qiao-ling Tong, Yan-chun Li",
journal="Journal of Zhejiang University Science C",
volume="11",
number="10",
pages="798-807",
year="2010",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.C0910735"
}

%0 Journal Article
%T A novel differential multiuser detection algorithm for multiuser MIMO-OFDM systems
%A Zheng-min Kong
%A Guang-xi Zhu
%A Qiao-ling Tong
%A Yan-chun Li
%J Journal of Zhejiang University SCIENCE C
%V 11
%N 10
%P 798-807
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%D 2010
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C0910735

TY - JOUR
T1 - A novel differential multiuser detection algorithm for multiuser MIMO-OFDM systems
A1 - Zheng-min Kong
A1 - Guang-xi Zhu
A1 - Qiao-ling Tong
A1 - Yan-chun Li
J0 - Journal of Zhejiang University Science C
VL - 11
IS - 10
SP - 798
EP - 807
%@ 1869-1951
Y1 - 2010
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.C0910735


Abstract: 
We propose an efficient low bit error rate (BER) and low complexity multiple-input multiple-output (MIMO) multiuser detection (MUD) method for use with multiuser MIMO orthogonal frequency division multiplexing (OFDM) systems. It is a hybrid method combining a multiuser-interference-cancellation-based decision feedback equalizer using error feedback filter (MIMO MIC DFE-EFF) and a differential algorithm. The proposed method, termed ‘MIMO MIC DFE-EFF with a differential algorithm’ for short, has a multiuser feedback structure. We describe the schemes of MIMO MIC DFE-EFF and MIMO MIC DFE-EFF with a differential algorithm, and compare their minimum mean square error (MMSE) performance and computational complexity. Simulation results show that a significant performance gain can be achieved by employing the MIMO MIC DFE-EFF detection algorithm in the context of a multiuser MIMO-OFDM system over frequency selective Rayleigh channel. MIMO MIC DFE-EFF with the differential algorithm improves both computational efficiency and BER performance in a multistage structure relative to conventional DFE-EFF, though there is a small reduction in system performance compared with MIMO MIC DFE-EFF without the differential algorithm.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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