| 自适应比特功率分配的V-BLASTOFDM系统性能 |
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| 引用本文： | 石钧,池连刚,孙松林,刘泽民.自适应比特功率分配的V-BLASTOFDM系统性能[J].计算机应用研究,2009,26(6). |
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| 作者姓名： | 石钧 池连刚 孙松林 刘泽民 |
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| 作者单位： | 1. 北京邮电大学,电信工程学院,北京,100876
2. 普天信息技术研究有限公司,北京,100800 |
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| 摘 要： | 提出了一种自适应的V-BLAST OFDM系统,并提出了一种有记忆的可变步长的自适应分配算法.与传统的算法相比,加快了算法的收敛速度.仿真结果表明,该系统与无自适应比特功率分配的系统相比,性能有显著提高.
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| 关 键 词： | 垂直分层空时 正交频分复用 多输入多输出 比特功率分配 |
Study on V-BLAST OFDM systems with adaptive bit and power allocation |
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| SHI Jun,CHI Lian-gang,SUN Song-lin,LIU Ze-min.Study on V-BLAST OFDM systems with adaptive bit and power allocation[J].Application Research of Computers,2009,26(6). |
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| Authors: | SHI Jun CHI Lian-gang SUN Song-lin LIU Ze-min |
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| Affiliation: | 1.School of Telecommunication Engineering;Beijing University of Posts & Telecommunications;Beijing 100876;China;2.Potevio Institute of Technology Co.;Ltd.;Beijing 100800;China |
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| Abstract: | This paper proposed an adaptive V-BLAST OFDM system and introduced a new adaptive algorithm with changed step size coefficient.Simulation results show the adaptive algorithm is efficient,and this system also outperforms the traditional one in BER performance. |
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| Keywords: | V-BLAST OFDM MIMO bits and power allocation |
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