DHW Power Amplifier Model Applied to Broadband Communication System

NAN Jingchang; LI Houru; ZHANG Zhidong; DU Xuekun

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DHW Power Amplifier Model Applied to Broadband Communication System

更新时间：2026-09-04

- DHW Power Amplifier Model Applied to Broadband Communication System
- Vol. 30, Issue 7, Pages: 149-153(2013)
- 作者机构：
  
  辽宁工程技术大学机构电子与信息工程学院,辽宁,葫芦岛,125105
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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南敬昌, 李厚儒, 张智栋, 杜学坤. 适用于宽带通信系统的DHW功放模型[J]. 微电子学与计算机, 2013, 30(7): 149-153.

NAN Jingchang, LI Houru, ZHANG Zhidong, et al. DHW Power Amplifier Model Applied to Broadband Communication System[J]. 2013, 30(7): 149-153.
南敬昌, 李厚儒, 张智栋, 杜学坤. 适用于宽带通信系统的DHW功放模型[J]. 微电子学与计算机, 2013, 30(7): 149-153. DOI：

NAN Jingchang, LI Houru, ZHANG Zhidong, et al. DHW Power Amplifier Model Applied to Broadband Communication System[J]. 2013, 30(7): 149-153. DOI：

摘要

为有效模拟宽带通信系统中功放的非线性行为，研究了一种双路 Hammerstein-Wiener(DHW)功放模型。分别施加相同的激励信号于该模型的Hammerstein分支和Wiener分支，并将两分支输出信号累加作为最终的响应。利用NXP功放管进行Doherty电路设计并加入多载波WCDMA信号驱动，从ADS中导出强非线性输入输出数据进行模型实验测试。结果显示阶数相同条件下，与 Hammerstein和Wiener模型相比，此双路 Hammerstein -Wiener功放模型能够获得更好的RMSE。另外，该功放模型可在减少整个记忆多项式参数数量30%~40%的前提下，获得与记忆多项式模型近似相同的性能，对功放系统行为模型的研究具有重要的参考价值。

Abstract

In order to simulate the PA nonlinear behavior of a wideband communication system effectively.In this paper

a two -way Hammerstein-Wiener PA model is investigated.Applying the same excitation signal to double branch model with Hammerstein in one branch and Wiener in the other

then regards the addition of two branch modelsoutput as the final response.Model test is conducted by the strong nonlinear input and output data exported from the DPA circuit which is designed by NXP PA models and driven by multi -carrier wave WCDMA signal in ADS circumstance.As a result

the DHW model can acquire better RMSE compared with the Hammerstein and Wiener model.In addition

the performances of the double Hammerstein -Wiener model is similar to that of the memory polynomial model with a 30% to 40% reduction in the number of parameters

which has great reference value for research of PA behavior model.

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