| 基于JUMMSE准则的前向分数间隔判决反馈均衡器 |
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| 引用本文： | 刘锋,葛临东.基于JUMMSE准则的前向分数间隔判决反馈均衡器[J].电讯技术,2004,44(3):95-98. |
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| 作者姓名： | 刘锋 葛临东 |
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| 作者单位： | 解放军信息工程大学,河南,郑州,450002 |
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| 摘 要： | 研究了前向分数间隔判决反馈均衡器的原理与结构，并推导了基于联合无偏差MMSE(JUMMSE)准则设计的最优解。文中讨论了均衡器长度对误符号率(SER)性能的影响。仿真结果表明，在较高的信噪比、选择恰当的均衡器长度时，这种均衡器对于高频信道的均衡效果是显著的。
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| 关 键 词： | 无线通信系统 前向分数间隔滤波器 判决反馈均衡器 JUMMSE准则 |
| 文章编号： | 1001-893X(2004)03-0095-04 |
Decision Feedback Equalizers with Forward Fractionally-spaced Filters Based on the Joint Unbiased MMSE Criterion |
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| LIU Feng,GE Lin-dong.Decision Feedback Equalizers with Forward Fractionally-spaced Filters Based on the Joint Unbiased MMSE Criterion[J].Telecommunication Engineering,2004,44(3):95-98. |
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| Authors: | LIU Feng GE Lin-dong |
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| Abstract: | The principle and structure of decision feedback equalizers with forward fractionally-spaced filters are introduced, and the optimal solution based on the joint unbiased minimum mean square error (JUMMSE) criteria is derived. The effects of equalizer length on Symbol Eerror Rate(SER) performance are also discussed. The simulation results show that for HF channels, with appropriate equalizer length, this kind of equalizers is effective under the higher SNR. |
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| Keywords: | Wireless communication system Forward fractionally-spaced filter (FFSF) Decision feedback equalizer JUMMSE criterion |
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