CA2563450A1 - A method of and apparatus for implementing fast orthogonal transforms of variable size - Google Patents

A method of and apparatus for implementing fast orthogonal transforms of variable size Download PDF

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Publication number
CA2563450A1
CA2563450A1 CA002563450A CA2563450A CA2563450A1 CA 2563450 A1 CA2563450 A1 CA 2563450A1 CA 002563450 A CA002563450 A CA 002563450A CA 2563450 A CA2563450 A CA 2563450A CA 2563450 A1 CA2563450 A1 CA 2563450A1
Authority
CA
Canada
Prior art keywords
butterfly
unit
reconfigurable
stage
architecture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002563450A
Other languages
English (en)
French (fr)
Inventor
Doron Solomon
Gilad Garon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASOCS Ltd
Original Assignee
Asocs Ltd.
Doron Solomon
Gilad Garon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/071,340 external-priority patent/US7568059B2/en
Application filed by Asocs Ltd., Doron Solomon, Gilad Garon filed Critical Asocs Ltd.
Publication of CA2563450A1 publication Critical patent/CA2563450A1/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Discrete Mathematics (AREA)
  • Complex Calculations (AREA)
CA002563450A 2004-07-08 2005-07-08 A method of and apparatus for implementing fast orthogonal transforms of variable size Abandoned CA2563450A1 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US58639104P 2004-07-08 2004-07-08
US58635304P 2004-07-08 2004-07-08
US58639004P 2004-07-08 2004-07-08
US58638904P 2004-07-08 2004-07-08
US60/586,390 2004-07-08
US60/586,389 2004-07-08
US60/586,353 2004-07-08
US60/586,391 2004-07-08
US60425804P 2004-08-25 2004-08-25
US60/604,258 2004-08-25
US11/071,340 US7568059B2 (en) 2004-07-08 2005-03-03 Low-power reconfigurable architecture for simultaneous implementation of distinct communication standards
US11/071,340 2005-03-03
PCT/US2005/024063 WO2006014528A1 (en) 2004-07-08 2005-07-08 A method of and apparatus for implementing fast orthogonal transforms of variable size

Publications (1)

Publication Number Publication Date
CA2563450A1 true CA2563450A1 (en) 2006-02-09

Family

ID=35787416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002563450A Abandoned CA2563450A1 (en) 2004-07-08 2005-07-08 A method of and apparatus for implementing fast orthogonal transforms of variable size

Country Status (6)

Country Link
EP (1) EP1769391A1 (ja)
JP (1) JP2008506191A (ja)
KR (1) KR101162649B1 (ja)
AU (1) AU2005269896A1 (ja)
CA (1) CA2563450A1 (ja)
WO (1) WO2006014528A1 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009110022A1 (ja) * 2008-03-03 2009-09-11 富士通株式会社 無線通信装置
FR2935819B1 (fr) * 2008-09-05 2010-09-10 Commissariat Energie Atomique Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie
CN102737007B (zh) * 2011-04-07 2015-01-28 中兴通讯股份有限公司 一种支持多个数据单元任意置换的方法和装置
WO2013042249A1 (ja) * 2011-09-22 2013-03-28 富士通株式会社 高速フーリエ変換回路
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
KR101275087B1 (ko) 2011-10-28 2013-06-17 (주)에프씨아이 오에프디엠 수신기
WO2014013726A1 (ja) * 2012-07-18 2014-01-23 日本電気株式会社 Ｆｆｔ回路
US9934199B2 (en) 2013-07-23 2018-04-03 Nec Corporation Digital filter device, digital filtering method, and storage medium having digital filter program stored thereon
US9880975B2 (en) 2013-12-13 2018-01-30 Nec Corporation Digital filter device, digital filter processing method, and storage medium having digital filter program stored thereon
GB2548908B (en) * 2016-04-01 2019-01-30 Advanced Risc Mach Ltd Complex multiply instruction
KR102155770B1 (ko) * 2018-11-27 2020-09-14 한국항공대학교산학협력단 레이다 응용을 위한 이중 완전 셔플 네트워크 기반 가변 푸리에 변환 장치 및 방법
CN113111300B (zh) * 2020-01-13 2022-06-03 上海大学 具有优化资源消耗的定点fft实现系统
WO2021157172A1 (ja) * 2020-02-06 2021-08-12 三菱電機株式会社 複素乗算回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE131948T1 (de) * 1987-08-21 1996-01-15 Commw Scient Ind Res Org Transformationsverarbeitungsschaltung
US5293330A (en) * 1991-11-08 1994-03-08 Communications Satellite Corporation Pipeline processor for mixed-size FFTs
WO1997019412A1 (en) * 1995-11-17 1997-05-29 Teracom Svensk Rundradio Improvements in or relating to real-time pipeline fast fourier transform processors
US6003056A (en) * 1997-01-06 1999-12-14 Auslander; Lewis Dimensionless fast fourier transform method and apparatus
JPH11143860A (ja) 1997-11-07 1999-05-28 Matsushita Electric Ind Co Ltd 直交変換装置
US6061705A (en) * 1998-01-21 2000-05-09 Telefonaktiebolaget Lm Ericsson Power and area efficient fast fourier transform processor
JP2001156644A (ja) * 1999-11-29 2001-06-08 Fujitsu Ltd 直交変換装置
JP3846197B2 (ja) * 2001-01-19 2006-11-15 ソニー株式会社 演算システム
US20030055861A1 (en) * 2001-09-18 2003-03-20 Lai Gary N. Multipler unit in reconfigurable chip
JP4546711B2 (ja) * 2002-10-07 2010-09-15 パナソニック株式会社 通信装置

Also Published As

Publication number Publication date
KR101162649B1 (ko) 2012-07-06
WO2006014528A1 (en) 2006-02-09
AU2005269896A1 (en) 2006-02-09
EP1769391A1 (en) 2007-04-04
JP2008506191A (ja) 2008-02-28
KR20070060074A (ko) 2007-06-12

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Legal Events

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FZDE Discontinued