公开(公告)号：KR20120070059A

公开(公告)日：2012-06-29

申请号：KR20100131458

申请日：2010-12-21

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： JO GWEON DO ,  KIM YOUNG HOON ,  KIM JOON HYUNG ,  OH JUNG HOON ,  YU CHANG WAHN ,  JUNG JAE HO

IPC: H04B1/62 ,  H03F1/32

CPC classification number: H04B1/62 ,  H03F1/3241 ,  H03F1/3258 ,  H03F2201/3212

Abstract: PURPOSE: A pre-distortion method based on polynomial expressions is provided to overcome discontinuity appeared at the boundary of regions by extracting the coefficients of the polynomial expressions. CONSTITUTION: Inputting signals which are the targets of pre-distortion are divided into polynomial expression regions(S210). A plurality of coefficient extracting regions are obtained(S220). The coefficient extracting regions correspond to the polynomial expression regions and include overlapped regions and the corresponding polynomial expression regions. Polynomial expression coefficients, which model the non-linear characteristic of the outputting signals, are extracted(S231). The coefficients of the extracted coefficients corresponding to the polynomial regions pre-distort the inputting signals by each polynomial region(S232).

Abstract translation: 目的：提出一种基于多项式表达式的预失真方法，通过提取多项式表达式的系数来克服出现在区域边界处的不连续性。 构成：作为预失真的目标的输入信号被划分为多项式表达区域（S210）。 获得多个系数提取区域（S220）。 系数提取区域对应于多项式表达区域，并且包括重叠区域和对应的多项式表达区域。 提取了对输出信号的非线性特性进行建模的多项式表达式（S231）。 对应于多项式区域的提取系数的系数通过各个多项式区域预失真输入信号（S232）。