| 自适应调制的MIMO OFDM系统的性能分析 |
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| 引用本文： | 张文强,张皓,赵陆文,温艳荣.自适应调制的MIMO OFDM系统的性能分析[J].军事通信技术,2008(4). |
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| 作者姓名： | 张文强 张皓 赵陆文 温艳荣 |
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| 作者单位： | 解放军理工大学通信工程学院电信工程系;解放军理工大学通信工程学院研究生4队;总参谋部61655部队; |
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| 摘 要： | 分析了MIMO OFDM的系统模型,研究了MIMO OFDM系统的自适应调制技术,给出了完整的自适应算法,探讨了自适应MIMO OFDM系统的频谱效率。仿真结果表明,自适应调制提高了MIMO OFDM的误比特率性能。
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| 关 键 词： | 多输入多输出正交频分复用 自适应调制 比特和功率分配 频谱效率 |
Performance Analysis of MIMO OFDM Systems with Adaptive Modulation |
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| ZHANG Wen-qiang,ZHANG Hao,ZHAO Lu-wen,WEN Yan-rong.Performance Analysis of MIMO OFDM Systems with Adaptive Modulation[J].Journal of Military Communications Technology,2008(4). |
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| Authors: | ZHANG Wen-qiang ZHANG Hao ZHAO Lu-wen WEN Yan-rong |
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| Institution: | ZHANG Wen-qiang1,ZHANG Hao2,ZHAO Lu-wen2,WEN Yan-rong3(1.Department of Telecommunications Engineering ICE,PLAUST,Nanjing 210007,China,2.Postgraduate Team 4 ICE,3.Unit 61655 of PLA General Staff Headquarters,Chongqing 400035,China) |
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| Abstract: | The multiple-input multiple-output Orthogonal Frequency Division Multiplexing(OFDM) system model was analyzed.The adaptive modulation for MIMO OFDM system was studied,and an integrated adaptive algorithm presented.The spectral efficiency of the adaptive MIMO OFDM system was discussed.The analysis and simulation results show that the proposed adaptive MIMO OFDM improves bit error rate performance of the system. |
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| Keywords: | MIMO OFDM adaptive modulation bit and power allocation spectral efficiency |
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