| 一种上行MIMO-OFDM系统的载波和功率分配算法 |
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| 引用本文： | 周猛,张灿.一种上行MIMO-OFDM系统的载波和功率分配算法[J].东南大学学报(自然科学版),2009,39(5). |
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| 作者姓名： | 周猛 张灿 |
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| 作者单位： | 1. 中国科学院研究生院信息科学与工程学院,北京,100049;中国移动通信集团公司,北京,100032
2. 中国科学院研究生院信息科学与工程学院,北京,100049 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目 |
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| 摘 要： | 针对上行空分多址MIMO-OFDM系统的无线资源分配问题,建立了更加符合实际情况的整数优化模型,并提出一种同时分配子载波和发射功率的算法.仿真结果表明,所提的算法比传统算法能够获得更大的系统吞吐量.此外,所提算法获得的系统吞吐量随着天线数的增加而增加,而且基站接收天线数的增加比移动台天线数的增加带来更明显的空间分集增益.所以,为了提高系统吞吐量,可以为基站配置较多的接收天线,而为移动台配置较少的发射天线.
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| 关 键 词： | 空分多址 载波分配 功率分配 |
Subcarrier and power allocation algorithm for uplink MIMO-OFDM systems |
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| Zhou Meng,Zhang Can.Subcarrier and power allocation algorithm for uplink MIMO-OFDM systems[J].Journal of Southeast University(Natural Science Edition),2009,39(5). |
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| Authors: | Zhou Meng Zhang Can |
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| Institution: | Zhou Meng1,2 Zhang Can1(1School of Information Science , Engineering,Graduate University of Chinese Academy of Science,Beijing 100049,China)(2China Mobile Communications Corporation,Beijing 100032,China) |
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| Abstract: | An integer optimization model which more accords to the fact is established and an algorithm allocating subcarrier and power simultaneously is proposed for uplink MIMO-OFDM(multiple-input multiple-output orthogonal frequency division multiple) systems.Simulation results show that the algorithm proposed can give larger throughput than previous algorithms.Furthermore,the throughput increases with the number of antennas,and when using the proposed algorithm the space diversity gain gotten by enlarging the ante... |
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| Keywords: | MIMO-OFDM |
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