| 基于MATLAB和ADS的数字预失真系统仿真 |
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| 引用本文： | 沈甦,夏红娟,吕海飞. 基于MATLAB和ADS的数字预失真系统仿真[J]. 系统仿真技术, 2011, 7(4): 279-283 |
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| 作者姓名： | 沈甦 夏红娟 吕海飞 |
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| 作者单位： | 1. 上海网程通信科技发展有限公司,上海,200030
2. 上海航天技术研究院第八O二研究所,上海,200090 |
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| 摘 要： | 介绍了数字预失真的基本原理,设计了1个预失真系统,并进行了MATLAB和ADS联合仿真,验证了系统的线性化程度.根据软件仿真,预失真系统改善输出信号的ACPR达20dB以上,设计的数字预失真模块对功放的线性度改善效果明显.
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| 关 键 词： | 数字预失真 线性化 系统仿真 |
Simulation of Digital Pre-distortion System Based on MATLAB and ADS |
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| SHEN Su,XIA Hongjuan,LV Haifei. Simulation of Digital Pre-distortion System Based on MATLAB and ADS[J]. System Simulation Technology, 2011, 7(4): 279-283 |
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| Authors: | SHEN Su XIA Hongjuan LV Haifei |
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| Affiliation: | SHEN Su1,XIA Hongjuan2,LV Haifei2(1.Shanghai Wangcheng Telecommunication S & T Development Co.,Ltd,Shanghai 200030,China,2.No.802 Institute,Shanghai Astronautic Technologic Institute,Shanghai 200090,China) |
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| Abstract: | Introduced digital pre-distortion(DPD) principle,designed a digital pre-distortion system,simulated with MATLAB and ADS,validated the linearization of the system.Based on the simulation,the output signal ACPR improved morn than 20 dB,the digital pre-distortion module had an obvious improvement to the PA linearization. |
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| Keywords: | digital pre-distortion linearization system simulation |
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