基于PARALIND模型的MIMO-CDMA盲多用户检测算法

doi:10.3969/j.issn.1001-506X.2011.02.35

Journal of Systems Engineering and Electronics ›› 2011, Vol. 33 ›› Issue (2): 404-410.doi: 10.3969/j.issn.1001-506X.2011.02.35

基于PARALIND模型的MIMO-CDMA盲多用户检测算法

刘旭1, 许宗泽2

1. 南京邮电大学通信与信息工程学院江苏省无线通信重点实验室，江苏南京 210003; 2. 南京航空航天大学信息科学与技术学院，江苏南京 210016

出版日期:2011-02-28 发布日期:2010-01-03

PARALIND based blind multiuser detection algorithm in MIMO-CDMA system

LIU Xu1, XU Zong-ze2

1. Jiangsu Key Laboratory of Wireless Communication, College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. College of Information of Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Online:2011-02-28 Published:2010-01-03

摘要/Abstract

摘要：

提出了一种新的基于线性相关平行剖面模型（parallel profiles with linear dependencies, PARALIND）的MIMO-CDMA盲多用户检测算法。PARALIND模型的分解唯一性并结合通信信号的结构特征，算法在信道衰落和用户扩频码未知的情况下实现MIMO-CDMA信号的盲多用户检测。对恒模约束PARALIND模型的分解唯一性进行了讨论，并给出了唯一性定理。仿真结果表明，基于PARALIND模型的多用户检测算法具有良好的误符号率性能。算法在处理小数据块时同样有效。

Abstract:

A new parallel profiles with linear dependencies (PARALIND)based blind multiuser detection algorithm in MIMO-CDMA system is proposed. Based on the uniqueness of PARALIND decomposition and the structure property of communication signals, this algorithm can detect MIMO-CDMA signals without any knowledge of the channel coefficients and users’ spreading codes. The uniqueness property of the PARALIND model with constant modulus (CM) structure is discussed, and the related uniqueness theorem is presented. Simulation results show that the algorithm has good symbol error rate performance and works well in small data block condition.

中图分类号:

TN 911.7

刘旭, 许宗泽. 基于PARALIND模型的MIMO-CDMA盲多用户检测算法[J]. Journal of Systems Engineering and Electronics, 2011, 33(2): 404-410.

LIU Xu, XU Zong-ze. PARALIND based blind multiuser detection algorithm in MIMO-CDMA system[J]. Journal of Systems Engineering and Electronics, 2011, 33(2): 404-410.

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基于PARALIND模型的MIMO-CDMA盲多用户检测算法

PARALIND based blind multiuser detection algorithm in MIMO-CDMA system

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