期刊文献+

数字预失真技术及其在WCDMA功放中的应用

Digital Pre-distortion Technology and Its Application in WCDMA Power Amplifier
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摘要 利用内嵌系统生成(System Generator)的Matlab/Simulink完成数字预失真(DPD)系统的主体功能及较为复杂的矩阵运算,基于现场可编程门阵列(FPGA)的数字信号处理(DSP)设计流程大大简化了硬件实现过程,缩短了开发周期.软件仿真表明,宽带码分多址(WCDMA)信号邻道功率有15~25dB的改进,实测为19dB.硬件测试表明,此方案在资源和开发周期方面占很大的优势. The use of embedded System Generator for Matlab/Simulink can help to complete the main DPD(Digital Pre-Distortion) system functions and more complex matrix operations. FPGA-based(Field Programmable Gate Array, FPGA) DSP design flow greatly simplified the hardware implementation process and shortened the development cycle. Results show that there is 15 dB to 25 dB improvement in simulation and 19 dB improvement in actual measurement for the WCDMA(Wideband Code Division Multiple Access) adjacent channel power. The method represent a significant advantage in terms of resources and the development cycle in a real platform.
出处 《上海工程技术大学学报》 CAS 2011年第4期337-341,共5页 Journal of Shanghai University of Engineering Science
基金 福建省科技厅重大专项基金资助项目(2009HZ0008-1) 国务院侨务办公室资助项目(10QZR02) 泉州市科技计划资助项目(2011G6)
关键词 数字预失真 现场可编程门阵列 宽带码分多址 DPD(Digital Pre-distortion) FPGA(Field Programmable Gate Array) WCDMA(Wideband Code Division Multiple Access)
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参考文献9

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