| 基于LTE下行链路的MIMO优化算法研究 |
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| 引用本文： | 刘可文,刘泉,马哲锐. 基于LTE下行链路的MIMO优化算法研究[J]. 武汉理工大学学报, 2011, 0(3) |
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| 作者姓名： | 刘可文 刘泉 马哲锐 |
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| 作者单位： | 武汉理工大学信息工程学院;广东省电信规划设计院有限公司; |
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| 基金项目： | 国家自然科学基金(50775167); 国家科技重大专项课题(2009zx03002-009) |
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| 摘 要： | 为了改善LTE系统在中高速场景反馈信道信息具有高误码率的问题,结合LTE现有的MIMO技术,提出以最小错误概率为准则预测反馈的信道信息的优化算法并对其实现复杂度进行了分析。仿真结果显示,该优化算法不仅达到系统容量和传输质量的良好折中,而且避免了额外的复杂度开销。
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| 关 键 词： | LTE 自适应MIMO 容量最大化 最小错误概率 |
Optimized MIMO Algorithm for LTE Downlink Transmission |
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| LIU Ke-wen,LIU Quan,MA Zhe-rui. Optimized MIMO Algorithm for LTE Downlink Transmission[J]. Journal of Wuhan University of Technology, 2011, 0(3) |
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| Authors: | LIU Ke-wen LIU Quan MA Zhe-rui |
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| Affiliation: | LIU Ke-wen1,LIU Quan1,MA Zhe-rui2(1.School of Information Engineering,Wuhan University of Technology,Wuhan 430070,China,2.Guangdong Planning and Designing Institute of Telecommunication Co Ltd,Guangzhou 510630,China) |
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| Abstract: | This work deals with the existed problems in medium and high-speed scenes,based on the present LTE MIMO technology,an optimized MIMO scheme is presented in this paper.It uses the minimum error probability as the criteria to predict the feedback channel information.The performances of the optimized algorithm and implementation complexity have been analyzed.The results show that it not only achieves the good tradeoff between the system capacity and coverage quality,but also can avoid excess complexity overhea... |
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| Keywords: | long time evolution adaptive MIMO maximum capacity minimum error probability |
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