自适应MIMO系统在反馈延时下的性能分析
为了提高无线通信系统的频谱利用率，提出一种简单而实用的开环自适应MIMO系统，利用最优贪婪调度算法，在多用户分集和多天线分集的作用下，有效地改善系统的性能。推导了在反馈存在延时的信道条件下频谱效率和中断概率的闭合表达式、分析了发射天线数、重传、用户数以及延时对系统整体性能的影响。...
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| Published in | 电子技术应用 Vol. 37; no. 10; pp. 91 - 93 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
大连海事大学信息科学技术学院,辽宁大连116026%深圳信息职业技术学院电子通信技术系,广东深圳,518029
2011
深圳信息职业技术学院电子通信技术系,广东深圳518029 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0258-7998 |
| DOI | 10.3969/j.issn.0258-7998.2011.10.034 |
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| Abstract | 为了提高无线通信系统的频谱利用率，提出一种简单而实用的开环自适应MIMO系统，利用最优贪婪调度算法，在多用户分集和多天线分集的作用下，有效地改善系统的性能。推导了在反馈存在延时的信道条件下频谱效率和中断概率的闭合表达式、分析了发射天线数、重传、用户数以及延时对系统整体性能的影响。 |
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| AbstractList | 为了提高无线通信系统的频谱利用率，提出一种简单而实用的开环自适应MIMO系统，利用最优贪婪调度算法，在多用户分集和多天线分集的作用下，有效地改善系统的性能。推导了在反馈存在延时的信道条件下频谱效率和中断概率的闭合表达式、分析了发射天线数、重传、用户数以及延时对系统整体性能的影响。 TN929; 为了提高无线通信系统的频谱利用率,提出一种简单而实用的开环自适应MIMO系统,利用最优贪婪调度算法,在多用户分集和多天线分集的作用下,有效地改善系统的性能.推导了在反馈存在延时的信道条件下频谱效率和中断概率的闭合表达式、分析了发射天线数、重传、用户数以及延时对系统整体性能的影响. |
| Author | 郭丽丽 汪洋 王瑞春 管明祥 |
| AuthorAffiliation | 深圳信息职业技术学院电子通信技术系,广东深圳518029 大连海事大学信息科学技术学院,辽宁大连116026 |
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| Author_FL | Guan Mingxiang Guo Lili Wang Ruichun Wang Yang |
| Author_FL_xml | – sequence: 1 fullname: Guo Lili – sequence: 2 fullname: Wang Yang – sequence: 3 fullname: Wang Ruichun – sequence: 4 fullname: Guan Mingxiang |
| Author_xml | – sequence: 1 fullname: 郭丽丽 汪洋 王瑞春 管明祥 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Performance analysis of adaptive MIMO system with delayed feedback |
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| EndPage | 93 |
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| Keywords | 多输入多输出技术 自适应调制 反馈延时 |
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| Notes | A simple and practical open looped adaptive MIMO scheme was proposed to improve spectral efficiency of wireless communication system. Using Greedy scheduling technology, the scheme enhanced the system performance with multi antenna diversity and multi user diversity. The paper derived the closed expressions of the spectral efficiency and outage probability under delayed feedback channel conditions, analyzed transmit antenna, ARQ, multi-user No. K and delay time, which affected the system performance. Guo Lili, Wang Yang, Wang Ruichun, Guan Mingxiang （1 .Department of Electronics Communication Engineering, Shenzhen Institute of Information Technology, Shenzhen 518029, China, 2.Department of Information Science and Technology ,Dalian Maritime University, Liaoning 116026 ,China） 11-2305/TN MIMO （multi input multi output）; adaptive modulation; delayed feedback |
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| PublicationTitle | 电子技术应用 |
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| PublicationYear | 2011 |
| Publisher | 大连海事大学信息科学技术学院,辽宁大连116026%深圳信息职业技术学院电子通信技术系,广东深圳,518029 深圳信息职业技术学院电子通信技术系,广东深圳518029 |
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| Snippet | 为了提高无线通信系统的频谱利用率，提出一种简单而实用的开环自适应MIMO系统，利用最优贪婪调度算法，在多用户分集和多天线分集的作用下，有效地改善系统的性能。推导了在... TN929; 为了提高无线通信系统的频谱利用率,提出一种简单而实用的开环自适应MIMO系统,利用最优贪婪调度算法,在多用户分集和多天线分集的作用下,有效地改善系统的性能.推导... |
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| SubjectTerms | 反馈延时 多输入多输出技术 自适应调制 |
| Title | 自适应MIMO系统在反馈延时下的性能分析 |
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