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
Clicked: 8886
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
%@ 1869-1951
%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.
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