CN1109991C - 流水线式快速傅里叶变换处理器 - Google Patents

流水线式快速傅里叶变换处理器 Download PDF

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Publication number
CN1109991C
CN1109991C CN98813921A CN98813921A CN1109991C CN 1109991 C CN1109991 C CN 1109991C CN 98813921 A CN98813921 A CN 98813921A CN 98813921 A CN98813921 A CN 98813921A CN 1109991 C CN1109991 C CN 1109991C
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fft
multiplier
multiplication
processor
output
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CN1290369A (zh
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R·B·赫尔贝里
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Clastres LLC
Wi Fi Networks LLC
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Telefonaktiebolaget LM Ericsson AB
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm

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  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Complex Calculations (AREA)
CN98813921A 1998-01-21 1998-12-18 流水线式快速傅里叶变换处理器 Expired - Lifetime CN1109991C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/010130 1998-01-21
US09/010,130 1998-01-21
US09/010,130 US6061705A (en) 1998-01-21 1998-01-21 Power and area efficient fast fourier transform processor

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CN1290369A CN1290369A (zh) 2001-04-04
CN1109991C true CN1109991C (zh) 2003-05-28

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US (1) US6061705A (enExample)
EP (1) EP1051680A1 (enExample)
JP (1) JP2002501253A (enExample)
KR (1) KR100551111B1 (enExample)
CN (1) CN1109991C (enExample)
AU (1) AU753685B2 (enExample)
CA (1) CA2318449C (enExample)
TW (1) TW409212B (enExample)
WO (1) WO1999038089A1 (enExample)

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CN104969215A (zh) * 2013-03-13 2015-10-07 高通股份有限公司 具有用于提供多模基-2x蝶形向量处理电路的可编程数据路径的向量处理引擎以及相关的向量处理器、系统和方法

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CN100553245C (zh) * 2006-03-28 2009-10-21 威盛电子股份有限公司 快速傅里叶转换处理器以及正交载波分频多任务解调器
CN101154215B (zh) * 2006-09-27 2011-08-24 昆山杰得微电子有限公司 基23频域取样快速傅立叶变换的硬件结构
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US7675847B2 (en) 2007-07-10 2010-03-09 Wipro Limited Hardware implementation of a programmable FFT based on a half length FFT core
KR101359033B1 (ko) * 2007-09-21 2014-02-11 삼성전자주식회사 이산 푸리에 변환 장치 및 방법
EP2250581B1 (en) * 2008-01-31 2015-09-02 Qualcomm Incorporated Device for dft calculation
JP5131346B2 (ja) * 2008-03-03 2013-01-30 富士通株式会社 無線通信装置
US20100082722A1 (en) * 2008-09-26 2010-04-01 Sinnokrot Mohanned O Methods and Apparatuses for Detection and Estimation with Fast Fourier Transform (FFT) in Orthogonal Frequency Division Multiplexing (OFDM) Communication Systems
TWI402695B (zh) * 2010-07-12 2013-07-21 Novatek Microelectronics Corp 分裂基數－２／８快速傅立葉轉換裝置及方法
KR20120070746A (ko) * 2010-12-22 2012-07-02 한국전자통신연구원 고속 푸리에 변환 수행 방법 및 장치
KR20120072226A (ko) * 2010-12-23 2012-07-03 한국전자통신연구원 고속 퓨리에 변환기
FR2972091A1 (fr) * 2011-02-28 2012-08-31 France Telecom Procede de modulation d'un signal multiporteuse de type oqam, programme d'ordinateur et modulateur correspondants
JP5724739B2 (ja) * 2011-08-09 2015-05-27 富士通株式会社 離散フーリエ演算装置、無線通信装置及び離散フーリエ演算方法
JPWO2013042249A1 (ja) * 2011-09-22 2015-03-26 富士通株式会社 高速フーリエ変換回路
US9525579B2 (en) * 2012-07-18 2016-12-20 Nec Corporation FFT circuit
TWI506457B (zh) * 2014-09-26 2015-11-01 Univ Nat Chiao Tung 折疊式蝶形模組、管線式快速傅利葉轉換處理器及控制方法
CN106549882B (zh) * 2015-09-16 2020-01-31 北京展讯高科通信技术有限公司 等效信道矩阵计算方法及装置
CN105701036B (zh) * 2016-01-19 2019-03-05 中国人民解放军国防科学技术大学 一种支持变形基16fft算法并行访存的地址转换单元
US10140250B2 (en) * 2016-01-28 2018-11-27 Cavium Methods and apparatus for providing an FFT engine using a reconfigurable single delay feedback architecture
CN107544942B (zh) * 2017-07-13 2020-10-02 天津大学 一种快速傅里叶变换的vlsi设计方法
CN111868682B (zh) * 2018-02-27 2024-05-28 泽腾系统有限公司 用于异构数据的可扩展变换处理单元
CN109359267B (zh) * 2018-10-18 2022-11-01 哈尔滨工程大学 一种基于动态截位的低复杂度无乘法器定点fft优化方法
US11221397B2 (en) * 2019-04-05 2022-01-11 Texas Instruments Incorporated Two-dimensional FFT computation
CN111210806B (zh) * 2020-01-10 2022-06-17 东南大学 一种基于串行fft的低功耗mfcc语音特征提取电路
CN112822139B (zh) * 2021-02-04 2023-01-31 展讯半导体(成都)有限公司 数据输入、数据转换方法及装置
CN114186183B (zh) * 2021-12-01 2024-04-16 中国电子科技集团公司第二十研究所 一种轻量化的fft运算方法及其实现装置
JP2025093445A (ja) * 2023-12-12 2025-06-24 国立大学法人京都大学 フーリエ変換装置および無線通信装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104969215A (zh) * 2013-03-13 2015-10-07 高通股份有限公司 具有用于提供多模基-2x蝶形向量处理电路的可编程数据路径的向量处理引擎以及相关的向量处理器、系统和方法
CN104969215B (zh) * 2013-03-13 2017-12-01 高通股份有限公司 具有用于提供蝶形向量处理电路的可编程数据路径的向量处理引擎以及相关的向量处理器、系统和方法

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CA2318449A1 (en) 1999-07-29
CN1290369A (zh) 2001-04-04
JP2002501253A (ja) 2002-01-15
KR100551111B1 (ko) 2006-02-09
TW409212B (en) 2000-10-21
US6061705A (en) 2000-05-09
AU2193599A (en) 1999-08-09
WO1999038089A1 (en) 1999-07-29
CA2318449C (en) 2006-03-28
EP1051680A1 (en) 2000-11-15
KR20010034300A (ko) 2001-04-25
AU753685B2 (en) 2002-10-24

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