| 一种联合迫零和独立信道预编码OFDM系统 |
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| 引用本文： | 李贞柯,张晓瀛,魏急波.一种联合迫零和独立信道预编码OFDM系统[J].现代电子技术,2011,34(1):4-6,10. |
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| 作者姓名： | 李贞柯 张晓瀛 魏急波 |
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| 作者单位： | 国防科学技术大学,电子科学与工程学院,湖南,长沙,410073 |
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| 摘 要： | 提出了一种联合迫零和独立信道预编码OFDM系统。该系统用发送端迫零顸编码和哈达玛矩阵预编码对发送数据进行联合预处理，简化了接收端，提高了系统的分集增益，仿真结果表明该方法提高了系统的误码率性能。
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| 关 键 词： | 正交频分复用 独立信道预编码 发送迫零预编码 联合迫零和独立信道预编码 |
A Combined Zero-forcing and Channel Independent Precoding OFDM System |
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| LI Zhen-ke,ZHANG Xiao-ying,WEI Ji-bo.A Combined Zero-forcing and Channel Independent Precoding OFDM System[J].Modern Electronic Technique,2011,34(1):4-6,10. |
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| Authors: | LI Zhen-ke ZHANG Xiao-ying WEI Ji-bo |
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| Affiliation: | LI Zhen-ke,ZHANG Xiao-ying,WEI Ji-bo(School of Electronic Science and Engineering,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | A combined zero-forcing and channel independent precoding OFDM system is introduced.The proposed system utilized a combined zero-forcing and Hadamard matrix precoding at the transmitter,simplified the receiver and increased the diversity gain of the system.The simulation results show that the proposed precoder improved the BER performance of OFDM system. |
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| Keywords: | OFDM channel independent precoding TXZF combined zero-forcing and channel independent precoding |
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