PREDISTORTION

作品数：14被引量：20H指数：3
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相关领域：电子电信更多>>
相关作者：刘元安黎淑兰南敬昌于翠屏更多>>
相关机构：北京邮电大学辽宁工程技术大学更多>>
相关期刊：《China Communications》《Science China(Information Sciences)》《Journal of Systems Engineering and Electronics》《The Journal of China Universities of Posts and Telecommunications》更多>>
相关基金：国家高技术研究发展计划国家自然科学基金国家重点基础研究发展计划中国博士后科学基金更多>>
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Beyond 200-Gb/s O-band intensity modulation and direct detection optics with joint look-uptable- based predistortion and digital resolution enhancement for low-cost data center interconnects
《Advanced Photonics Nexus》2024年第3期58-67,共10页Qi Wu Zhaopeng Xu Yixiao Zhu Tonghui Ji Honglin Ji Yu Yang Junpeng Liang Chen Cheng Gang Qiao Zhixue He Jinlong Wei Qunbi Zhuge Weisheng Hu 
supported by the National Key R&D Program of China(Grant No.2020YFB1806400);the China Scholarship Council(Grant No.202306230183);the National Natural Science Foundation of China(Grant Nos.62271305 and 62001287).
We propose a joint look-up-table(LUT)-based nonlinear predistortion and digital resolution enhancement scheme to achieve high-speed and low-cost optical interconnects using low-resolution digital-to-analog converters(...
关键词：look-up-table digital resolution enhancer quantization noise semiconductor optical amplifier pattern-dependent effect pulse-amplitude modulation. 
An enhanced digital predistortion algorithm based on polynomial model identification
《Science China(Information Sciences)》2019年第2期156-164,共9页Wanzhi MA Xin QUAN Bo ZHAO Ying LIU Wensheng PAN Shihai SHAO Youxi TANG 
supported in part by National Natural Science Foundation of China (Grant Nos. 61771107, 61701075, 61771115, 61531009, 61471108);National Major Projects (Grant No. 2016ZX03001009);the Project Funded by China Postdoctoral Science Foundation;the Fundamental Research Funds for the Central Universities
To improve the accuracy of the nonlinear distortion correction for the radio frequency(RF)power amplifier(PA), it is necessary to precisely obtain the reverse function of the PA nonlinear model.However, the direct inv...
关键词：digital PREDISTORTION power AMPLIFIER nonlinear DISTORTION MEMORY effects RADIO FREQUENCY 
Non-Overlapping Conditions to Enable Multi- Dimensional Behavioral Models/DPDs for Multi-Band or Non-Continuous Carrier Aggregation Systems
《China Communications》2017年第2期30-39,共10页Cuiping Yu Ziyuan Zhang 
supported by National Key Basic Research Program of China (973 Program) (No.2014CB339900);the National High Technology Research and Development Program of China (863 Program) (No. 2015AA016801);National Natural Science Foundations of China (No.61327806)
To linearize the multi.band PAs/transmitters, a serial of multi.band predistortion models based on multi.dimensional architecture have been proposed. However, most of these models work properly only for the signals wh...
关键词：PREDISTORTION multiband power amplifiers behavioral model carrier aggregation 
Spurious-free dynamic range improvement in a photonic time-stretched analog-to-digital converter based on third-order predistortion被引量：1
《Photonics Research》2014年第5期97-101,共5页Boyu Xu Wulue Lv Jiamu Ye Jinhai Zhou Xiaofeng Jin Xianmin Zhang Hao Chi Shilie Zheng 
the National Basic Research Program of China(973 Program)(Grant No.2012CB315703);the Natural Science Foundation of China(Grant Nos.61371029 and 60971060).
Spurious-free dynamic range(SFDR)limited by intermodulation distortions is a usually accepted measure for dynamic performance of a photonic time-stretched analog-to-digital converter(ADC).In this paper,SFDR improvemen...
关键词：CONVERTER MODULATOR SFDR 
New predistorter using triangular memory polynomial for power amplifier of OFDM-based wireless broadband communication system被引量：2
《The Journal of China Universities of Posts and Telecommunications》2012年第2期43-47,共5页YU Cui-ping LIU Yuan-an DU Tian-jiao LI Shu-lan 
supported by the National Science and Technology Major Project (2010ZX03007-003-04)
A triangular memory polynomial （TMP） predistorter is presented in this paper to linearize a power amplifier＇s nonlinear with memory effects. Compared with the traditional memory polynomial （MP） predistorter, the ...
关键词：power amplifier PREDISTORTION memory effects memory polynomial 
Predistortion of high speed optical OFDM signal for aliasing-free receiving in multiple low-bandwidth receiver system被引量：4
《Chinese Optics Letters》2010年第4期377-380,共4页程林 闻和 郑小平 张汉一 郭奕理 
supported in part by the National"863"Project of China under Grant No.2009AA01Z222
A cost-effective method of multi-receiver optical orthogonal frequency-division multiplexing（OOFDM） system is proposed to reduce the requirement for the speed of the receiver and the size of fast Fourier transform（...
关键词：Cost reduction Fast Fourier transforms Orthogonal frequency division multiplexing 
Step memory polynomial predistorter for power amplifiers with memory被引量：3
《Journal of Southeast University(English Edition)》2009年第3期303-308,共6页于翠屏 刘元安 黎淑兰 南敬昌 
The National High Technology Research and Development Program of China (863 Program) (No.2008AA01Z211);the Project of Industry-Academia-Research Demonstration Base of Education Ministry of Guangdong Province (No.2007B090200012)
To reduce the number of digital predistortion coefficients, a step memory polynomial （SMP）predistorter is presented. The number of predistortion coefficients is decreased by adjusting the maximum nonlinear order for...
关键词：power amplifier PREDISTORTION memory effects memory polynomial 
Robust power amplifier predistorter by using memory polynomials被引量：4
《Journal of Systems Engineering and Electronics》2009年第4期700-705,共6页Li Bo Ge Jianhua Ai Bo 
supported by the National High Technology Research and Development Program of China(2006AA01Z270).
In memory polynomial predistorter design, the coefficient estimation algorithm based on normalized least mean square is sensitive to initialization parameters. A predistorter based on generalized normalized gradient d...
关键词：power amplifier predistortion memory polynomial generalized normalized gradient descent orthogonal frequency division multiplexing. 
Volterra series based predistortion for broadband RF power amplifiers with memory effects
《Journal of Systems Engineering and Electronics》2008年第4期666-671,共6页Jin Zhe Song Zhihuan He Jiaming 
the National Natural Science Foundation of China (60671037).
RF power amplifiers （PAs） are usually considered as memoryless devices in most existing predistortion techniques. However, in broadband communication systems, such as WCDMA, the PA memory effects are significant, an...
关键词：power amplifiers PREDISTORTION memory effects Volterra series 
A dynamic coefficient polynomial predistorter based on direct learning architecture
《High Technology Letters》2008年第2期118-122,共5页李波 Ge Jianhua Ai Bo 
the National High Technology Research and Development Programme of China(No2006AA01Z270);Beijing Jiaotong University Talent Foundation(No2007RC022)
A dynamic coefficient polynomial predistorter based on direct learning architecture is proposed.Compared to the existing polynomial predistorter,on the one hand,the proposed predistorter based on thedirect learning ar...
关键词：orthogonal frequency division multiplexing （OFDM） PREDISTORTION POLYNOMIAL recur-sive least-squares （RLS） 
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