| 基于MIMO-OFDM系统的自适应调制算法研究 |
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| 引用本文： | 宁宁,刘玉珍.基于MIMO-OFDM系统的自适应调制算法研究[J].河南师范大学学报(自然科学版),2010,38(2). |
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| 作者姓名： | 宁宁 刘玉珍 |
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| 作者单位： | 辽宁工程技术大学,电子与信息工程学院,辽宁,葫芦岛,125105 |
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| 摘 要： | 为了提高MIMO-OFDM系统的数据传输率和频谱利用率,提出一种新的自适应调制算法.该算法在信道传输质量满足一定系统误码率下,根据信道状态信息自适应地调整每个子载波的调制方式,使系统的发射总功率尽量最小.理论分析得出,该算法降低了MIMO-OFDM系统的运算复杂度,并使系统的整体性能得到了优化.
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| 关 键 词： | MIMO-OFDM 自适应调制 功率分配 比特分配 |
Adaptive Modulation Algorithm Analysis of MIMO-OFDM Systems |
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| NING Ning,LIU Yu-zhen.Adaptive Modulation Algorithm Analysis of MIMO-OFDM Systems[J].Journal of Henan Normal University(Natural Science),2010,38(2). |
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| Authors: | NING Ning LIU Yu-zhen |
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| Abstract: | In order to improve data transmission rates and spectrum efficiency of MIMO-OFDM systems,a new adaptive modulation algorithm is proposed. The channel transmission quality is to meet the requirements of a certain target BER(bit error rate),according to the channel state information to adjust each sub-carrier modulation method freely,and tries to minimize the total power emission of system. Theory analysis shows the algorithm optimized MIMO-OFDM system and improved overall performance of the system. |
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| Keywords: | MIMO-OFDM |
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