ATE275302T1 - Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungen - Google Patents

Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungen

Info

Publication number
ATE275302T1
ATE275302T1 AT00939760T AT00939760T ATE275302T1 AT E275302 T1 ATE275302 T1 AT E275302T1 AT 00939760 T AT00939760 T AT 00939760T AT 00939760 T AT00939760 T AT 00939760T AT E275302 T1 ATE275302 T1 AT E275302T1
Authority
AT
Austria
Prior art keywords
precombinations
sequence
calculations
power consumption
signal sample
Prior art date
Application number
AT00939760T
Other languages
English (en)
Inventor
Jacob Levison
Paul W Dent
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE275302T1 publication Critical patent/ATE275302T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • 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
    • G06F17/15—Correlation function computation including computation of convolution operations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0254—Matched filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H04B1/7095—Sliding correlator type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Analysis (AREA)
  • Signal Processing (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Databases & Information Systems (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Systems (AREA)
  • Color Television Systems (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Dc-Dc Converters (AREA)
AT00939760T 1999-06-30 2000-06-09 Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungen ATE275302T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/343,468 US6366938B1 (en) 1997-11-11 1999-06-30 Reduced power matched filter using precomputation
PCT/US2000/015964 WO2001003294A1 (en) 1999-06-30 2000-06-09 Reduced power matched filter using precomputation

Publications (1)

Publication Number Publication Date
ATE275302T1 true ATE275302T1 (de) 2004-09-15

Family

ID=23346248

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00939760T ATE275302T1 (de) 1999-06-30 2000-06-09 Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungen

Country Status (9)

Country Link
US (1) US6366938B1 (de)
EP (1) EP1192714B1 (de)
JP (1) JP2003504909A (de)
CN (1) CN1375126A (de)
AT (1) ATE275302T1 (de)
AU (1) AU5479400A (de)
DE (1) DE60013443T2 (de)
MY (1) MY124774A (de)
WO (1) WO2001003294A1 (de)

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JP2000307477A (ja) * 1999-04-21 2000-11-02 Matsushita Electric Ind Co Ltd 符号発生装置、その装置を用いた通信装置、通信システム及び符号発生方法
JP4245227B2 (ja) * 1999-06-03 2009-03-25 シャープ株式会社 デジタルマッチドフィルタ
US6671292B1 (en) * 1999-06-25 2003-12-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for adaptive voice buffering
FI119011B (fi) * 1999-10-13 2008-06-13 U Nav Microelectronics Corp Sovitettu suodatin ja hajaspektrivastaanotin
US6601078B1 (en) * 2000-01-27 2003-07-29 Lucent Technologies Inc. Time-efficient real-time correlator
US7035354B2 (en) * 2000-12-08 2006-04-25 International Business Machine Corporation CDMA multi-user detection with a real symbol constellation
US6928105B2 (en) * 2001-05-03 2005-08-09 Agere Systems Inc. Vector tree correlator for variable spreading rates
US6970895B2 (en) * 2001-10-01 2005-11-29 Koninklijke Philips Electronics N.V. Programmable delay indexed data path register file for array processing
US7203253B2 (en) * 2002-09-26 2007-04-10 Marvell World Trade Ltd. Method and apparatus of cross-correlation
SE0203047D0 (sv) * 2002-10-15 2002-10-15 Nordnav Technologies Ab Spread spectrum signal processing
AU2002339586A1 (en) * 2002-10-24 2004-05-13 Nokia Corporation Determination of the correlation phase between a signal and a replica sequence
US7161975B2 (en) * 2002-11-27 2007-01-09 International Business Machines Corporation Enhancing CDMA multiuser detection by constraining soft decisions
US20040249474A1 (en) * 2003-03-31 2004-12-09 Lee Ruby B. Compare-plus-tally instructions
US7272168B2 (en) * 2003-04-01 2007-09-18 Nokia Siemens Networks Oy Determining the correlation between received samples and available replica samples
US7277476B2 (en) * 2003-04-01 2007-10-02 Nokia Siemens Network Oy Determining the correlation between received samples and available replica samples
US7124352B2 (en) * 2003-12-12 2006-10-17 Nokia Corporation Tracking a code modulated signal
US7876738B2 (en) * 2004-03-02 2011-01-25 Nokia Corporation Preventing an incorrect synchronization between a received code-modulated signal and a replica code
ATE447262T1 (de) * 2005-01-31 2009-11-15 Nxp Bv Verfahren und v orrichtung zum implementieren angepasster filter in ein drahtloses kommunikationssystem
CN1330089C (zh) * 2005-04-19 2007-08-01 展讯通信（上海）有限公司 有限脉冲响应滤波与欠采样相结合的方法
US7706427B2 (en) * 2005-08-18 2010-04-27 Agere Systems Inc. Method and apparatus for compact OVSF despreading
US8107443B2 (en) * 2009-02-10 2012-01-31 Mediatek Inc. Method of performing cell search for a wireless communications system
US8638888B2 (en) * 2011-07-21 2014-01-28 Infineon Technologies Ag Analog correlation technique for ultra low power receivers
JP6060483B2 (ja) * 2012-01-11 2017-01-18 セイコーエプソン株式会社 衛星信号捕捉方法及び衛星信号捕捉装置
JP5974487B2 (ja) * 2012-01-11 2016-08-23 セイコーエプソン株式会社 衛星信号捕捉方法及び衛星信号捕捉装置
JP5982991B2 (ja) 2012-04-25 2016-08-31 セイコーエプソン株式会社 受信部駆動制御方法及び受信装置
KR101491651B1 (ko) * 2013-08-14 2015-02-09 (주)에프씨아이 고속 전송다중제어 데이터 획득 방법 및 장치
JP2015090277A (ja) 2013-11-05 2015-05-11 セイコーエプソン株式会社 衛星信号受信機
JP6318565B2 (ja) 2013-11-13 2018-05-09 セイコーエプソン株式会社 半導体装置および電子機器
US20150143076A1 (en) * 2013-11-15 2015-05-21 Qualcomm Incorporated VECTOR PROCESSING ENGINES (VPEs) EMPLOYING DESPREADING CIRCUITRY IN DATA FLOW PATHS BETWEEN EXECUTION UNITS AND VECTOR DATA MEMORY TO PROVIDE IN-FLIGHT DESPREADING OF SPREAD-SPECTRUM SEQUENCES, AND RELATED VECTOR PROCESSING INSTRUCTIONS, SYSTEMS, AND METHODS
US9684509B2 (en) 2013-11-15 2017-06-20 Qualcomm Incorporated Vector processing engines (VPEs) employing merging circuitry in data flow paths between execution units and vector data memory to provide in-flight merging of output vector data stored to vector data memory, and related vector processing instructions, systems, and methods
JP2015108565A (ja) 2013-12-05 2015-06-11 セイコーエプソン株式会社 衛星信号受信用集積回路
CN107911099B (zh) * 2017-12-27 2024-05-10 南京天际易达通信技术有限公司 一种数字成形滤波方法及滤波装置
US11483026B1 (en) * 2021-05-14 2022-10-25 Samsung Electronics Co., Ltd Method and apparatus for TMBOC transmission with narrowband receivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660164A (en) 1983-12-05 1987-04-21 The United States Of America As Represented By The Secretary Of The Navy Multiplexed digital correlator
US4862402A (en) * 1986-07-24 1989-08-29 North American Philips Corporation Fast multiplierless architecture for general purpose VLSI FIR digital filters with minimized hardware
US6005903A (en) * 1996-07-08 1999-12-21 Mendelovicz; Ephraim Digital correlator
US6005899A (en) * 1997-09-29 1999-12-21 Ericsson, Inc. Method for efficiently computing sequence correlations
US6330292B1 (en) 1997-11-11 2001-12-11 Telefonaktiebolaget Lm Ericsson Reduced power matched filter
SE514794C2 (sv) 1998-09-10 2001-04-23 Naf Ab Pneumatiskt eller hydrauliskt manöverdon
US6157684A (en) * 1998-10-14 2000-12-05 Cadence Design Systems, Inc. One bit matched filter with low complexity and high speed

Also Published As

Publication number Publication date
JP2003504909A (ja) 2003-02-04
DE60013443D1 (de) 2004-10-07
EP1192714A1 (de) 2002-04-03
AU5479400A (en) 2001-01-22
MY124774A (en) 2006-07-31
US6366938B1 (en) 2002-04-02
EP1192714B1 (de) 2004-09-01
WO2001003294A1 (en) 2001-01-11
DE60013443T2 (de) 2005-09-01
CN1375126A (zh) 2002-10-16

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