DE69435034D1 - Verfahren ind vorrichtung zur durchfuehrung einer schnellen hadamard transform - Google Patents

Verfahren ind vorrichtung zur durchfuehrung einer schnellen hadamard transform

Info

Publication number
DE69435034D1
DE69435034D1 DE69435034T DE69435034T DE69435034D1 DE 69435034 D1 DE69435034 D1 DE 69435034D1 DE 69435034 T DE69435034 T DE 69435034T DE 69435034 T DE69435034 T DE 69435034T DE 69435034 D1 DE69435034 D1 DE 69435034D1
Authority
DE
Germany
Prior art keywords
symbol
delayed processed
input
hadamard transform
processed symbol
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 - Lifetime
Application number
DE69435034T
Other languages
English (en)
Other versions
DE69435034T2 (de
Inventor
Houtan Dehesh
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE69435034D1 publication Critical patent/DE69435034D1/de
Application granted granted Critical
Publication of DE69435034T2 publication Critical patent/DE69435034T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G06F17/145—Square transforms, e.g. Hadamard, Walsh, Haar, Hough, Slant transforms
DE69435034T 1993-12-22 1994-12-20 Verfahren ind vorrichtung zur durchfuehrung einer schnellen hadamard transform Expired - Lifetime DE69435034T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US173460 1993-12-22
US08/173,460 US5561618A (en) 1993-12-22 1993-12-22 Method and apparatus for performing a fast Hadamard transform
PCT/US1994/014802 WO1995017727A1 (en) 1993-12-22 1994-12-20 Method and apparatus for performing a fast hadamard transform

Publications (2)

Publication Number Publication Date
DE69435034D1 true DE69435034D1 (de) 2007-11-15
DE69435034T2 DE69435034T2 (de) 2008-07-03

Family

ID=22632139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69435034T Expired - Lifetime DE69435034T2 (de) 1993-12-22 1994-12-20 Verfahren ind vorrichtung zur durchfuehrung einer schnellen hadamard transform

Country Status (19)

Country Link
US (1) US5561618A (de)
EP (1) EP0736205B1 (de)
JP (1) JP3245171B2 (de)
KR (1) KR100253987B1 (de)
CN (1) CN1103084C (de)
AT (1) ATE374974T1 (de)
AU (1) AU683526B2 (de)
BR (1) BR9408414A (de)
CA (1) CA2179758C (de)
DE (1) DE69435034T2 (de)
FI (1) FI120017B (de)
HK (1) HK1011100A1 (de)
IL (1) IL112056A0 (de)
MY (1) MY113296A (de)
RU (1) RU2150141C1 (de)
SG (1) SG47106A1 (de)
TW (1) TW255076B (de)
WO (1) WO1995017727A1 (de)
ZA (1) ZA948425B (de)

Families Citing this family (28)

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Publication number Priority date Publication date Assignee Title
US5920549A (en) * 1996-12-19 1999-07-06 Motorola, Inc. Method of handing off and a wireless communication device
US5987012A (en) * 1996-12-19 1999-11-16 Motorola, Inc. Method of handing off and a wireless communication device
US6148195A (en) * 1997-02-18 2000-11-14 Itt Manufacturing Enterprises, Inc. Phase agile antenna for use in position determination
US6148219A (en) * 1997-02-18 2000-11-14 Itt Manufacturing Enterprises, Inc. Positioning system for CDMA/PCS communications system
US5938787A (en) * 1997-03-27 1999-08-17 Ericsson Inc. Communications systems and methods employing code rate partitioning with nonorthogonal modulation
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
EP0917070B1 (de) * 1997-11-17 2010-07-14 Sony Electronics Inc. Verfahren und Gerät zur Durchführung der Diskreten-Cosinus-Transformation und inversen Diskreten-Cosinus-Transformation
US6639906B1 (en) 1997-12-09 2003-10-28 Jeffrey A. Levin Multichannel demodulator
US6028889A (en) * 1998-02-25 2000-02-22 Lucent Technologies, Inc. Pipelined fast hadamard transform
US6201827B1 (en) 1998-09-09 2001-03-13 Qualcomm Incorporated System and method for probability based lock detection
US6130923A (en) * 1998-12-11 2000-10-10 Qualcomm Incorporated Lock detection for multipath wireless receiver
US6229841B1 (en) 1998-12-11 2001-05-08 Qualcomm Incorporated Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
US6311202B1 (en) * 1999-03-12 2001-10-30 Lucent Technologies Inc. Hardware efficient fast hadamard transform engine
US6735610B1 (en) * 1999-04-29 2004-05-11 Walter E. Pelton Apparatus, methods, and computer program products for determining the coefficients of a function with decreased latency
US7035892B2 (en) * 1999-12-10 2006-04-25 Broadcom Corporation Apparatus and method for reducing precision of data
JP3716695B2 (ja) * 1999-12-24 2005-11-16 日本電気株式会社 高速アダマール変換器
US6895421B1 (en) 2000-10-06 2005-05-17 Intel Corporation Method and apparatus for effectively performing linear transformations
US7340558B2 (en) * 2000-11-22 2008-03-04 Silicon Image, Inc. Multisection memory bank system
US6985516B1 (en) 2000-11-27 2006-01-10 Qualcomm Incorporated Method and apparatus for processing a received signal in a communications system
US7068638B2 (en) * 2001-02-27 2006-06-27 Samsung Electronics Co., Ltd. Apparatus and method for coding/decoding TFCI bits in an asynchronous CDMA communication system
US6996292B1 (en) * 2002-04-18 2006-02-07 Sandia Corporation Staring 2-D hadamard transform spectral imager
US7003536B2 (en) * 2002-08-15 2006-02-21 Comsys Communications & Signal Processing Ltd. Reduced complexity fast hadamard transform
US6996163B2 (en) * 2003-03-27 2006-02-07 Arraycomm, Inc. Walsh-Hadamard decoder
KR100577005B1 (ko) * 2003-12-27 2006-05-10 한국전자통신연구원 고속 하다마드 변환 및 고속 푸리에 변환의 선택적 수행장치 및 방법
KR100711088B1 (ko) * 2005-04-13 2007-04-24 광주과학기술원 동화상 인코더를 위한 정수 변환 장치
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US20080109507A1 (en) * 2006-10-23 2008-05-08 L3 Communications Integrated Systems, L.P. System and method for performing an optimized discrete walsh transform
US11037069B1 (en) 2020-01-17 2021-06-15 Tegze P. Haraszti Method for creating gates and circuits for greatly improved computing apparatus by using symbol transformer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792355A (en) * 1970-12-11 1974-02-12 Hitachi Ltd Orthogonal transformation circuit using hadamard matrices
US3899667A (en) * 1972-12-26 1975-08-12 Raytheon Co Serial three point discrete fourier transform apparatus
US3956619A (en) * 1975-03-31 1976-05-11 General Electric Company Pipeline walsh-hadamard transformations
US4210931A (en) * 1978-12-28 1980-07-01 Discovision Associates Video player and/or recorder with Hadamard transform
JPS5737925A (en) * 1980-08-14 1982-03-02 Matsushita Electric Ind Co Ltd High-speed hadamard converter
US4621337A (en) * 1983-08-11 1986-11-04 Eastman Kodak Company Transformation circuit for implementing a collapsed Walsh-Hadamard transform
JP2574312B2 (ja) * 1987-07-24 1997-01-22 松下電器産業株式会社 高速アダマ−ル変換装置
US5097331A (en) * 1990-08-24 1992-03-17 Bell Communications Research, Inc. Multiple block-size transform video coding using an asymmetric sub-band structure
DE69517647T2 (de) * 1994-04-25 2001-02-22 Sony Corp Videosignalwiedergabeeinrichtung

Also Published As

Publication number Publication date
CA2179758A1 (en) 1995-06-29
US5561618A (en) 1996-10-01
ATE374974T1 (de) 2007-10-15
ZA948425B (en) 1995-06-29
SG47106A1 (en) 1998-03-20
CA2179758C (en) 2001-04-03
AU1375295A (en) 1995-07-10
CN1138382A (zh) 1996-12-18
MY113296A (en) 2002-01-31
EP0736205A1 (de) 1996-10-09
JPH09510805A (ja) 1997-10-28
CN1103084C (zh) 2003-03-12
WO1995017727A1 (en) 1995-06-29
TW255076B (de) 1995-08-21
EP0736205B1 (de) 2007-10-03
KR100253987B1 (ko) 2000-04-15
IL112056A0 (en) 1995-03-15
FI962573A (fi) 1996-08-20
RU2150141C1 (ru) 2000-05-27
AU683526B2 (en) 1997-11-13
DE69435034T2 (de) 2008-07-03
FI962573A0 (fi) 1996-06-20
HK1011100A1 (en) 1999-07-02
JP3245171B2 (ja) 2002-01-07
FI120017B (fi) 2009-05-29
BR9408414A (pt) 1997-08-05

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