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Information 2016, 7(4), 70; doi:10.3390/info7040070

Joint Modulation Classification and User Number Detection for Multiuser MIMO-STBC Systems

1
College of Electronic and Information Engineering, Southwest University, Chongqing 400715, China
2
Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, Chongqing 400715, China
3
School of Electronic Engineering, University of Electronics Science and Technology of China, Chengdu 611731, China
*
Author to whom correspondence should be addressed.
Academic Editor: Willy Susilo
Received: 23 September 2016 / Revised: 14 November 2016 / Accepted: 16 November 2016 / Published: 22 November 2016
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Abstract

The research on non-cooperative multiuser multiple-input multiple-output with space-time block code (MIMO-STBC) communication systems is a challenging and important task. However, to our knowledge, there is little report of this topic. Being two key research issues in this area, modulation classification and user number detection are studied in this paper. We consider both problems jointly as a multiple hypothesis testing problem. Based on this idea, we propose a joint modulation classification and user number detection algorithm for the multiuser MIMO-STBC systems. The proposed method does not require prior knowledge of the propagation channel or noise power, and thus might be suitable for the non-cooperative scenario. Simulations validate the effectiveness of the proposed method. View Full-Text
Keywords: joint; modulation classification; user number detection; multiuser; multiple-input multiple-output (MIMO); space-time block code (STBC) joint; modulation classification; user number detection; multiuser; multiple-input multiple-output (MIMO); space-time block code (STBC)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Qian, G.; Ruan, Z.; Lu, J. Joint Modulation Classification and User Number Detection for Multiuser MIMO-STBC Systems. Information 2016, 7, 70.

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