A New Digital Predistortion Based On B spline Function With Compressive Sampling Pruning

被引：0
|
作者：
Liu, Cen [1 ]
Luo, Laiwei [1 ]
Wang, Jun [1 ]
Zhang, Chao [1 ]
Pan, Changyong [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
来源：
2022 INTERNATIONAL WIRELESS COMMUNICATIONS AND MOBILE COMPUTING, IWCMC | 2022年
关键词：
power amplifier; digital predistortion; spline; Volterra series; compressive sampling; VOLTERRA;
D O I：
10.1109/IWCMC55113.2022.9825005
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A power amplifier(PA) is inherently nonlinear device and is used in a communication system widely. Due to the nonlinearity of PA, the communication system is hard to work well. Digital predistortion (DPD) is the way to solve this problem. Using Volterra function to fit the PA is what most DPD solutions do. However, when it comes to wideband signal, there is a deduction on the performance of the Volterra function. In this paper, we replace the Volterra function with B-spline function which performs better on fitting PA at wideband signal. And the other benefit is that the orthogonality of coding matrix A could be improved, enhancing the stability of computation. Additionally, we use compressive sampling to reduce the complexity of the function model.
引用
下载
收藏
页码：1200 / 1205
页数：6
相关论文
共 50 条
  • [1] A Low Complexity LUT-Based Digital Predistortion Block With New Pruning Method
    Sun, Linlin
    Hu, Xin
    Liu, Zhijun
    Han, Kang
    Zhang, Sun
    Wang, Weidong
    Ghannouchi, Fadhel M.
    IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2022, 32 (09) : 1131 - 1134
  • [2] Digital Predistortion Based on B-Spline CPWL Models in a RoF LTE Mobile Fronthaul
    Mateo, Carlos
    Carro, Pedro L.
    Garcia-Ducar, Paloma
    de Mingo, Jesus
    Salinas, Inigo
    2017 12TH EUROPEAN MICROWAVE INTEGRATED CIRCUITS CONFERENCE (EUMIC), 2017, : 396 - 399
  • [3] A Neural Network Pruning Approach based on Compressive Sampling
    Yang, Jie
    Bouzerdoum, Abdesselam
    Phung, Son Lam
    IJCNN: 2009 INTERNATIONAL JOINT CONFERENCE ON NEURAL NETWORKS, VOLS 1- 6, 2009, : 3213 - 3220
  • [4] Digital Predistortion Based on B-Spline CPWL Models in a RoF LTE Mobile Fronthaul
    Mateo, Carlos
    Carro, Pedro L.
    Garcia-Ducar, Paloma
    de Mingo, Jesus
    Salinas, Inigo
    2017 47TH EUROPEAN MICROWAVE CONFERENCE (EUMC), 2017, : 1136 - 1139
  • [5] Digital Predistortion of LTE-A Power Amplifiers Using Compressed-Sampling-Based Unstructured Pruning of Volterra Series
    Abdelhafiz, Abubaker
    Kwan, Andrew
    Hammi, Oualid
    Ghannouchi, Fadhel M.
    IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2014, 62 (11) : 2583 - 2593
  • [6] Digital predistortion of Power Amplifiers based on spline approximations of the amplifier characteristics
    Safari, Nima
    Holte, Nils
    Roste, Terje
    2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, 2007, : 2075 - 2080
  • [7] Digital Predistortion of Nonlinear Power Amplifier Based on Improved Spline Adaptive Filtering Method
    Hu, Xiaoxi
    Wang, Xuguang
    Qin, Kaiyu
    Li, Mingyu
    IEEE ACCESS, 2022, 10 : 122870 - 122881
  • [8] An Iterative Pruning of 2-D Digital Predistortion Model Based on Normalized Polynomial Terms
    Zhang, Silong
    Chen, Wenhua
    Ghannouchi, Fadhel M.
    Chen, Yaqin
    2013 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST (IMS), 2013,
  • [9] A Random Demodulation Based Reduced Sampling Rate Method for Wideband Digital Predistortion
    Tao, Wei
    Wang, Haoyu
    Zhou, Chongbin
    Li, Gang
    Liu, Falin
    2015 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC), VOLS 1-3, 2015,
  • [10] Forward Modeling Assisted Digital Predistortion Based on Frequency-Sliced Sampling
    Qiao, Wen
    Jiang, Chengye
    Yang, Guichen
    Su, Lei
    Han, Renlong
    Tan, Jingchao
    Liu, Falin
    2022 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT), 2022,
12345