CN101331479B - 快速傅里叶变换级电路、处理器和方法及正交频分复用接收器 - Google Patents
快速傅里叶变换级电路、处理器和方法及正交频分复用接收器 Download PDFInfo
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- CN101331479B CN101331479B CN2006800472468A CN200680047246A CN101331479B CN 101331479 B CN101331479 B CN 101331479B CN 2006800472468 A CN2006800472468 A CN 2006800472468A CN 200680047246 A CN200680047246 A CN 200680047246A CN 101331479 B CN101331479 B CN 101331479B
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- CN
- China
- Prior art keywords
- output port
- logic circuit
- exchange logic
- sample
- fft
- 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.)
- Expired - Fee Related
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
- H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Discrete Mathematics (AREA)
- Mathematical Analysis (AREA)
- Signal Processing (AREA)
- Computational Mathematics (AREA)
- Computer Networks & Wireless Communication (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)
- Complex Calculations (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/302,243 US7685220B2 (en) | 2005-12-14 | 2005-12-14 | Circular fast fourier transform |
US11/302,243 | 2005-12-14 | ||
PCT/EP2006/011935 WO2007068438A2 (en) | 2005-12-14 | 2006-12-12 | Circular fast fourier transform |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101331479A CN101331479A (zh) | 2008-12-24 |
CN101331479B true CN101331479B (zh) | 2012-01-11 |
Family
ID=38051780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800472468A Expired - Fee Related CN101331479B (zh) | 2005-12-14 | 2006-12-12 | 快速傅里叶变换级电路、处理器和方法及正交频分复用接收器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7685220B2 (zh) |
EP (1) | EP1960905A2 (zh) |
JP (1) | JP4903810B2 (zh) |
KR (1) | KR101229648B1 (zh) |
CN (1) | CN101331479B (zh) |
BR (1) | BRPI0619920A2 (zh) |
TW (1) | TW200741487A (zh) |
WO (1) | WO2007068438A2 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005045519A1 (de) * | 2005-09-23 | 2007-03-29 | Newlogic Technologies Ag | Verfahren und Vorrichtung zur FFT Berechnung |
DE602006013964D1 (de) * | 2006-07-18 | 2010-06-10 | Ericsson Telefon Ab L M | Faltung von Eingabedatenwerten für eine Transformation |
CN101930425B (zh) * | 2009-06-24 | 2015-09-30 | 华为技术有限公司 | 信号处理方法、数据处理方法及装置 |
CN102592601B (zh) * | 2011-01-10 | 2014-09-17 | 华为技术有限公司 | 一种信号处理方法和装置 |
CN102152910B (zh) * | 2011-04-27 | 2013-04-10 | 山东电力研究院 | 滤膜存放箱 |
CN102955760A (zh) * | 2011-08-23 | 2013-03-06 | 上海华魏光纤传感技术有限公司 | 基于dif的基-2并行fft处理器及其处理方法 |
US11129596B2 (en) * | 2016-10-06 | 2021-09-28 | General Electric Company | Systems and methods for ultrasound multiplexing |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0880101A2 (en) * | 1997-05-23 | 1998-11-25 | Sony Corporation | Apparatus and method for Fast Fourier Transform |
US6058409A (en) * | 1996-08-06 | 2000-05-02 | Sony Corporation | Computation apparatus and method |
CN1449166A (zh) * | 2002-04-01 | 2003-10-15 | 北京六合万通微电子技术有限公司 | 快速傅立叶变换和反变换的模拟数字混合电路及其在通信系统中的应用 |
Family Cites Families (31)
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US3638004A (en) | 1968-10-28 | 1972-01-25 | Time Data Corp | Fourier transform computer |
US3767905A (en) | 1971-05-12 | 1973-10-23 | Solartron Electronic Group | Addressable memory fft processor with exponential term generation |
US3927312A (en) | 1974-10-31 | 1975-12-16 | Us Army | Vector rotator |
US4327367A (en) * | 1978-04-24 | 1982-04-27 | Electric Power Research Institute, Inc. | Thyristor with even turn-on line potential and method with 1-micron to 5-mil wide alignment region band |
US4231102A (en) | 1978-12-21 | 1980-10-28 | Raytheon Company | Cordic FFT processor |
US4563750A (en) | 1983-03-04 | 1986-01-07 | Clarke William L | Fast Fourier transform apparatus with data timing schedule decoupling |
FR2584213B1 (fr) | 1985-06-28 | 1994-03-11 | Thomson Csf | Dispositif de calcul d'une transformee de fourier discrete, glissante, et son application a un systeme radar. |
FR2587819B1 (fr) | 1985-09-24 | 1989-10-06 | Thomson Csf | Dispositif de calcul d'une transformee de fourier discrete, glissante et non recursive, et son application a un systeme radar |
FR2588680B1 (fr) | 1985-10-16 | 1989-08-25 | Thomson Csf | Dispositif de calcul d'une transformee de fourier discrete, et son application a la compression d'impulsion dans un systeme radar |
US5034910A (en) | 1988-03-14 | 1991-07-23 | E-Systems, Inc. | Systolic fast Fourier transform method and apparatus |
JPH05158967A (ja) | 1991-12-05 | 1993-06-25 | Nec Corp | 計算機システム |
US5371696A (en) | 1992-12-24 | 1994-12-06 | Sundararajan; Duraisamy | Computational structures for the fast Fourier transform analyzers |
US5577072A (en) | 1994-03-07 | 1996-11-19 | Hyundai Electronics Industries Co., Ltd. | Timing phase detector and timing recovery using the same |
JP3541526B2 (ja) * | 1995-10-24 | 2004-07-14 | 日本ビクター株式会社 | 周波数分割多重信号生成方法及び復号方法 |
US5717620A (en) | 1995-10-24 | 1998-02-10 | Airnet Communications Corporation | Improved-accuracy fast-Fourier-transform butterfly circuit |
US6370188B1 (en) | 1999-03-31 | 2002-04-09 | Texas Instruments Incorporated | Phase and frequency offset compensation in a telecommunications receiver |
FR2794921B1 (fr) * | 1999-06-14 | 2001-09-14 | St Microelectronics Sa | Procede et dispositif de transformation de donnees reelles en symboles complexes, notamment pour la reception de porteuses modulees en phase et en amplitude et transmises sur une ligne telephonique |
US6658441B1 (en) | 1999-08-02 | 2003-12-02 | Seung Pil Kim | Apparatus and method for recursive parallel and pipelined fast fourier transform |
US6772181B1 (en) | 1999-10-29 | 2004-08-03 | Pentomics, Inc. | Apparatus and method for trigonometric interpolation |
US6567042B2 (en) | 2000-12-04 | 2003-05-20 | The United States Of America As Represented By The Secretary Of The Air Force | Acquisition through circular correlation by partition for GPS C/A code and P(Y) code |
US6633616B2 (en) | 2001-02-21 | 2003-10-14 | Magis Networks, Inc. | OFDM pilot tone tracking for wireless LAN |
US7020218B2 (en) | 2001-06-18 | 2006-03-28 | Arnesen David M | Sliding-window transform with integrated windowing |
US7020222B2 (en) | 2001-10-24 | 2006-03-28 | Texas Instruments Incorporated | Efficient method and system for offset phasor determination |
US20030182342A1 (en) | 2002-03-25 | 2003-09-25 | Murphy Charles Douglas | Low-cost multiplication in small DFT butterflies |
CN100563226C (zh) * | 2002-06-27 | 2009-11-25 | 三星电子株式会社 | 利用混合基数快速付里叶变换的调制设备 |
JP2004032568A (ja) * | 2002-06-28 | 2004-01-29 | Hitachi Kokusai Electric Inc | 相関検出装置およびフーリエ変換装置 |
US7082451B2 (en) | 2002-09-09 | 2006-07-25 | Freescale Semiconductor, Inc. | Reconfigurable vector-FFT/IFFT, vector-multiplier/divider |
US20050015420A1 (en) | 2003-07-18 | 2005-01-20 | Gibb Sean G. | Recoded radix-2 pipeline FFT processor |
US8266196B2 (en) * | 2005-03-11 | 2012-09-11 | Qualcomm Incorporated | Fast Fourier transform twiddle multiplication |
US8229014B2 (en) * | 2005-03-11 | 2012-07-24 | Qualcomm Incorporated | Fast fourier transform processing in an OFDM system |
JP4698394B2 (ja) * | 2005-11-25 | 2011-06-08 | パナソニック株式会社 | 高速フーリエ変換回路 |
-
2005
- 2005-12-14 US US11/302,243 patent/US7685220B2/en not_active Expired - Fee Related
-
2006
- 2006-11-30 TW TW095144476A patent/TW200741487A/zh unknown
- 2006-12-12 BR BRPI0619920-8A patent/BRPI0619920A2/pt not_active IP Right Cessation
- 2006-12-12 KR KR1020087017045A patent/KR101229648B1/ko not_active IP Right Cessation
- 2006-12-12 CN CN2006800472468A patent/CN101331479B/zh not_active Expired - Fee Related
- 2006-12-12 JP JP2008544853A patent/JP4903810B2/ja not_active Expired - Fee Related
- 2006-12-12 EP EP06829521A patent/EP1960905A2/en not_active Withdrawn
- 2006-12-12 WO PCT/EP2006/011935 patent/WO2007068438A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6058409A (en) * | 1996-08-06 | 2000-05-02 | Sony Corporation | Computation apparatus and method |
EP0880101A2 (en) * | 1997-05-23 | 1998-11-25 | Sony Corporation | Apparatus and method for Fast Fourier Transform |
CN1449166A (zh) * | 2002-04-01 | 2003-10-15 | 北京六合万通微电子技术有限公司 | 快速傅立叶变换和反变换的模拟数字混合电路及其在通信系统中的应用 |
Also Published As
Publication number | Publication date |
---|---|
US20070133389A1 (en) | 2007-06-14 |
TW200741487A (en) | 2007-11-01 |
JP2009519637A (ja) | 2009-05-14 |
US7685220B2 (en) | 2010-03-23 |
WO2007068438A3 (en) | 2008-06-05 |
JP4903810B2 (ja) | 2012-03-28 |
WO2007068438A2 (en) | 2007-06-21 |
EP1960905A2 (en) | 2008-08-27 |
BRPI0619920A2 (pt) | 2011-10-25 |
CN101331479A (zh) | 2008-12-24 |
KR20080078062A (ko) | 2008-08-26 |
KR101229648B1 (ko) | 2013-02-04 |
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Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: LM ERICSSON TELEPHONE CO., LTD. Effective date: 20150420 Owner name: OPTIS WIRELESS TECHNOLOGY LLC Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20150420 |
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Effective date of registration: 20150420 Address after: Texas, USA Patentee after: Telefonaktiebolaget LM Ericsson (publ) Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20150420 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson (publ) |
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