A Pipelined RLS Algorithm Based on Square  Root  Free QR Decomposition

LI Chun  ting; CHEN Yong  en

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A Pipelined RLS Algorithm Based on Square Root Free QR Decomposition

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- A Pipelined RLS Algorithm Based on Square Root Free QR Decomposition
- Acta Electronica Sinica Issue 10, Pages: 140-142(1999)
- 作者机构：
  
  同济大学电气工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP301.6
- Published：1999
- 稿件说明：
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[1]李春亭,陈泳恩.一种基于无平方根QR分解的流水RLS算法[J].电子学报,1999(10):140-142+144.

LI Chun ting, CHEN Yong en. A Pipelined RLS Algorithm Based on Square Root Free QR Decomposition[J]. Acta Electronica Sinica, 1999, (10): 140-142.
[1]李春亭,陈泳恩.一种基于无平方根QR分解的流水RLS算法[J].电子学报,1999(10):140-142+144. DOI：

LI Chun ting, CHEN Yong en. A Pipelined RLS Algorithm Based on Square Root Free QR Decomposition[J]. Acta Electronica Sinica, 1999, (10): 140-142. DOI：

摘要

传统ＱＲ分解（ＧＩＶＥＮＳ旋转）中存在着平方根运算，在用数字电路实现时，会在时间和面积上花费较大的代价．因此，已有无平方根的ＱＲ分解算法出现．这些算法虽然避免了平方根运算，但映射为Ｓｙｓｔｏｌｉｃ阵列以实现ＲＬＳ算法时，却不能实现单元内部的流水．本文提出了一种新的无平方根ＱＲ分解，能够实现单元内部的流水，进一步提高了速度

Abstract

There are square root computations in conventional QR decomposition.When realized with digital circuits

it takes much area and long period.Hence

there have been some square root free QRD algorithms.These algorithms can avoid square root computations

but when mapped to systolic array to realize RLS algorithm

they can not pipeline the computations within a cell.This paper presents a novel squarre root free QRD algorithm that can pipeline operations within a cell and further increase the speed of the algorithm.

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