一种改进的基于FG-Turbo多用户检测的软干扰消除算法
基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方法。仿真结果表明,改进后的软干扰消除算法在复杂度不变的情况下,有效地改善了系统性能。...
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| Published in | 电信科学 Vol. 28; no. 2; pp. 95 - 98 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国通信学会
01.02.2012
人民邮电出版社有限公司 郑州大学信息工程学院 郑州450001%郑州大学信息工程学院 郑州450001 解放军信息工程大学 郑州450001 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-0801 |
| DOI | 10.3969/j.issn.1000-0801.2012.02.018 |
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| Abstract | 基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方法。仿真结果表明,改进后的软干扰消除算法在复杂度不变的情况下,有效地改善了系统性能。 |
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| AbstractList | 基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方法。仿真结果表明,改进后的软干扰消除算法在复杂度不变的情况下,有效地改善了系统性能。 TN911.4; 基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方法.仿真结果表明,改进后的软干扰消除算法在复杂度不变的情况下,有效地改善了系统性能. |
| Author | 王忠勇 任晓敏 段琳琳 肖岩 |
| AuthorAffiliation | 郑州大学信息工程学院,郑州450001 解放军信息工程大学,郑州450001 |
| AuthorAffiliation_xml | – name: 郑州大学信息工程学院 郑州450001%郑州大学信息工程学院 郑州450001;解放军信息工程大学 郑州450001 |
| Author_FL | Duan Linlin Xiao Yan Ren Xiaomin Wang Zhongyong |
| Author_FL_xml | – sequence: 1 fullname: Wang Zhongyong – sequence: 2 fullname: Ren Xiaomin – sequence: 3 fullname: Duan Linlin – sequence: 4 fullname: Xiao Yan |
| Author_xml | – sequence: 1 fullname: 王忠勇 任晓敏 段琳琳 肖岩 |
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| ClassificationCodes | TN911.4 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | A Modified Soft Interference Cancellation Algorithm Based on FG-Turbo Multiuser Detection |
| DocumentTitle_FL | A Modified Soft Interference Cancellation Algorithm Based on FG-Turbo Multiuser Detection |
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| Keywords | 软干扰消除 敏感比特 FG-Turbo多用户检测 和积算法 因子图 |
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| Notes | factor graph; sum-product algorithm; FG-Turbo multiuser detection; soft interference cancellation; sensitive bit In this paper,based on the factor graph and sum-product algorithm,we get the extend model of FG-Turbo multiuser detection with LDPC coded,simulate and compare the performances of MAP algorithm and soft interference cancellation algorithm,and propose a new method to estimate interference symbols,that is based on sensitive bits algorithm.Simulation results show that in the case of the computational complexity unchanged,the soft interference cancellation algorithm modified can improve the performance of system effectively. Wang Zhongyong,Ren Xiaomin,Duan Linlin,Xiao Yan（1.College of Information Engineering,Zhengzhou University,Zhengzhou 450001,China;2.The PLA Information and Engineering University,Zhengzhou 450001,China） 11-2103/TN |
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| PublicationTitle | 电信科学 |
| PublicationTitleAlternate | Telecommunications Science |
| PublicationTitle_FL | Telecommunications Science |
| PublicationYear | 2012 |
| Publisher | 中国通信学会 人民邮电出版社有限公司 郑州大学信息工程学院 郑州450001%郑州大学信息工程学院 郑州450001 解放军信息工程大学 郑州450001 |
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| Snippet | 基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方法。仿真结果... TN911.4; 基于因子图与和积算法,给出了基于LDPC的FG-Turbo多用户检测扩展模型,仿真比较了最优MAP算法和软干扰消除算法的性能,并提出了一种基于敏感比特的软干扰估计新方... |
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| StartPage | 95 |
| SubjectTerms | FG-Turbo多用户检测 和积算法 因子图 敏感比特 软干扰消除 |
| Title | 一种改进的基于FG-Turbo多用户检测的软干扰消除算法 |
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