| MQAM 功放器件非线性失真均衡器 |
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| 引用本文： | 傅海阳,刘文杰,杨龙祥.MQAM 功放器件非线性失真均衡器[J].电子器件,2001,24(1):20-27. |
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| 作者姓名： | 傅海阳 刘文杰 杨龙祥 |
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| 作者单位： | 南京邮电学院通信工程系, |
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| 摘 要： | 本文给出了一种具有记忆能力的自适应非线性失真预均衡器，用于补偿MQAM高功率放大器在非线性区域工作时引入的具有记忆的3阶非线性失真，采用Volterra级数模型分析并补偿这种非线性失真，系统模拟证明这种结构简单的预均衡器对系统的非线性失真具有较好的校正作用。
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| 关 键 词： | MQAM 非线性失真均衡器 多进制正交幅度调制 功率放大器 |
| 文章编号： | 1005-9490(2001)01-0020-08 |
| 修稿时间： | 2000年7月3日 |
Equal izer for Non l inear D istortion of MQAM
Power Ampl ify ing Dev ice |
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| FU H a iy ang,L IU W enj ie,YA N G L ong x iang.Equal izer for Non l inear D istortion of MQAM
Power Ampl ify ing Dev ice[J].Journal of Electron Devices,2001,24(1):20-27. |
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| Authors: | FU H a iy ang L IU W enj ie YA N G L ong x iang |
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| Affiliation: | D ep artm ent of Comm unication E ng ineering |
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| Abstract: | This paper presents a kind of adaptive pre equalizer for nonlinear distortion with memory, which is used to cancel the third order nonlinear distortion with memory caused by high power amplifier(HPA) working in nonlinear area. This third order nonlinear distortion is analyzed and compensated by the volterra series model. The numerous simulation results demonstrate the effectiveness of the system by the performance comparison between systems with and without pre equalizer. |
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| Keywords: | Adaptive equalizer Nonlinear channel MQAM Volterra series |
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