FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)

针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行...

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Main Authors: ZHOULianfang(周连方), XIAYinshui(夏银水), WANGLunyao(王伦耀)
Format: Article
Language:zho
Published: Zhejiang University Press 2014-11-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/10.3785/j.issn.1008-9497.2014.06.011
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author ZHOULianfang(周连方)
XIAYinshui(夏银水)
WANGLunyao(王伦耀)
author_facet ZHOULianfang(周连方)
XIAYinshui(夏银水)
WANGLunyao(王伦耀)
author_sort ZHOULianfang(周连方)
collection DOAJ
description 针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行综合改进,结果显示,改进后的LUT实现的FIR数字滤波器,其ADP节省达60%,功耗节省达58%.
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spelling doaj.art-a5d8769baef241e9b9d3b0a24de76cf52024-03-29T01:58:34ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972014-11-0141667067510.3785/j.issn.1008-9497.2014.06.011FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)ZHOULianfang(周连方)0XIAYinshui(夏银水)1WANGLunyao(王伦耀)2College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行综合改进,结果显示,改进后的LUT实现的FIR数字滤波器,其ADP节省达60%,功耗节省达58%.https://doi.org/10.3785/j.issn.1008-9497.2014.06.011fir数字滤波器查找表功耗和面积
spellingShingle ZHOULianfang(周连方)
XIAYinshui(夏银水)
WANGLunyao(王伦耀)
FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
Zhejiang Daxue xuebao. Lixue ban
fir数字滤波器
查找表
功耗和面积
title FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
title_full FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
title_fullStr FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
title_full_unstemmed FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
title_short FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
title_sort fir digital filter design based on an improved lut multiplier 基于改进的lut乘法器的fir滤波器设计
topic fir数字滤波器
查找表
功耗和面积
url https://doi.org/10.3785/j.issn.1008-9497.2014.06.011
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