ATE275302T1 - Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungen - Google Patents
Signalangepasstes filter mit reduziertem leistungsverbrauch unter verwendung von vorberechnungenInfo
- 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
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)
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) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
1999
- 1999-06-30 US US09/343,468 patent/US6366938B1/en not_active Expired - Fee Related
-
2000
- 2000-06-09 AT AT00939760T patent/ATE275302T1/de not_active IP Right Cessation
- 2000-06-09 WO PCT/US2000/015964 patent/WO2001003294A1/en active IP Right Grant
- 2000-06-09 EP EP00939760A patent/EP1192714B1/de not_active Expired - Lifetime
- 2000-06-09 CN CN00812249A patent/CN1375126A/zh active Pending
- 2000-06-09 AU AU54794/00A patent/AU5479400A/en not_active Abandoned
- 2000-06-09 DE DE60013443T patent/DE60013443T2/de not_active Expired - Lifetime
- 2000-06-09 JP JP2001508593A patent/JP2003504909A/ja active Pending
- 2000-06-19 MY MYPI20002761 patent/MY124774A/en unknown
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |