CN100351642C - 展频接收机的相关器 - Google Patents
展频接收机的相关器 Download PDFInfo
- Publication number
- CN100351642C CN100351642C CNB2004100855294A CN200410085529A CN100351642C CN 100351642 C CN100351642 C CN 100351642C CN B2004100855294 A CNB2004100855294 A CN B2004100855294A CN 200410085529 A CN200410085529 A CN 200410085529A CN 100351642 C CN100351642 C CN 100351642C
- Authority
- CN
- China
- Prior art keywords
- circuit
- correlator
- bit parallel
- correlation
- data
- 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
Links
- 238000001228 spectrum Methods 0.000 title claims description 20
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- NIXVMBBZNVOBHS-ASRKUVFVSA-N [(8r,9s,10r,13s,14s,17r)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1h-cyclopenta[a]phenanthren-17-yl] acetate;(8r,9s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.C1=C(C)C2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(C)=O)(OC(=O)C)[C@@]1(C)CC2 NIXVMBBZNVOBHS-ASRKUVFVSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013404 process transfer Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
-
- 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
-
- 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
- H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52848903P | 2003-12-11 | 2003-12-11 | |
US60/528,489 | 2003-12-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1627096A CN1627096A (zh) | 2005-06-15 |
CN100351642C true CN100351642C (zh) | 2007-11-28 |
Family
ID=34794209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100855294A Expired - Fee Related CN100351642C (zh) | 2003-12-11 | 2004-10-10 | 展频接收机的相关器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7526014B2 (zh) |
CN (1) | CN100351642C (zh) |
TW (1) | TWI248727B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4283170B2 (ja) * | 2003-12-17 | 2009-06-24 | 株式会社デンソー | 物体検出装置 |
US7702002B2 (en) * | 2004-01-28 | 2010-04-20 | Qualcomm Incorporated | Rapid acquisition methods and apparatus for GPS signals |
US7860145B2 (en) * | 2006-05-03 | 2010-12-28 | Navcom Technology, Inc. | Adaptive code generator for satellite navigation receivers |
US7782252B2 (en) * | 2007-06-02 | 2010-08-24 | Inchul Kang | System and method for GPS signal acquisition |
US8049665B1 (en) * | 2007-06-02 | 2011-11-01 | Inchul Kang | System and method for selecting a local C/A code for GPS signal processing |
CN101109801B (zh) * | 2007-07-06 | 2010-10-27 | 东南大学 | 全球定位系统相关器电路 |
CN101251591B (zh) * | 2007-12-20 | 2011-06-01 | 上海伽利略导航有限公司 | 室内定位全球定位系统接收机及其相关器通道设计方法 |
JP5104295B2 (ja) * | 2007-12-26 | 2012-12-19 | セイコーエプソン株式会社 | コード位相算出方法、プログラム及びコード位相算出装置 |
US8111735B2 (en) * | 2008-01-28 | 2012-02-07 | Mediatek Inc. | GNSS data/pilot correlator and code generator thereof |
TW201310953A (zh) * | 2011-08-19 | 2013-03-01 | Realtek Semiconductor Corp | 無線接收裝置及其處理方法 |
JP5382083B2 (ja) * | 2011-10-06 | 2014-01-08 | カシオ計算機株式会社 | 衛星電波受信装置 |
US9445454B2 (en) * | 2012-05-29 | 2016-09-13 | Atmel Corporation | System and method for hardware sharing |
US10475072B2 (en) * | 2014-04-22 | 2019-11-12 | Transform Sr Brands Llc | System and method for providing dynamic product offerings |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07143028A (ja) * | 1993-11-12 | 1995-06-02 | Nippondenso Co Ltd | スペクトラム拡散信号復調装置 |
CN1223723A (zh) * | 1996-04-25 | 1999-07-21 | SiRF技术公司 | 具有多比特相关器的扩频接收机 |
JPH11331039A (ja) * | 1998-05-19 | 1999-11-30 | Sokkia Co Ltd | スペクトラム拡散受信装置 |
EP1426782A2 (en) * | 1996-07-12 | 2004-06-09 | General Electric Company | Parallel correlator for a spread spectrum receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6393046B1 (en) | 1996-04-25 | 2002-05-21 | Sirf Technology, Inc. | Spread spectrum receiver with multi-bit correlator |
US6009118A (en) | 1996-07-12 | 1999-12-28 | General Electric Company | Parallel correlator for a spread spectrum receiver |
US5896304A (en) | 1996-07-12 | 1999-04-20 | General Electric Company | Low power parallel correlator for measuring correlation between digital signal segments |
US6532251B1 (en) * | 2001-08-16 | 2003-03-11 | Motorola, Inc. | Data message bit synchronization and local time correction methods and architectures |
US20030174681A1 (en) * | 2002-03-18 | 2003-09-18 | Philippe Gilberton | Method and apparatus for indicating the presence of a wireless local area network by detecting energy fluctuations |
US7068708B2 (en) * | 2002-12-13 | 2006-06-27 | Motorola, Inc. | Method and receiving unit for demodulating a multi-path signal |
US7099623B2 (en) * | 2002-12-20 | 2006-08-29 | Qualcomm Incorporated | Managing searcher and tracker resources in a wireless communication device |
-
2004
- 2004-10-10 CN CNB2004100855294A patent/CN100351642C/zh not_active Expired - Fee Related
- 2004-10-27 TW TW093132585A patent/TWI248727B/zh not_active IP Right Cessation
- 2004-12-09 US US11/007,163 patent/US7526014B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07143028A (ja) * | 1993-11-12 | 1995-06-02 | Nippondenso Co Ltd | スペクトラム拡散信号復調装置 |
CN1223723A (zh) * | 1996-04-25 | 1999-07-21 | SiRF技术公司 | 具有多比特相关器的扩频接收机 |
EP1426782A2 (en) * | 1996-07-12 | 2004-06-09 | General Electric Company | Parallel correlator for a spread spectrum receiver |
EP1467221A2 (en) * | 1996-07-12 | 2004-10-13 | General Electric Company | GPS receiver with signal memories and parallel correlators |
JPH11331039A (ja) * | 1998-05-19 | 1999-11-30 | Sokkia Co Ltd | スペクトラム拡散受信装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060023776A1 (en) | 2006-02-02 |
TW200520417A (en) | 2005-06-16 |
CN1627096A (zh) | 2005-06-15 |
US7526014B2 (en) | 2009-04-28 |
TWI248727B (en) | 2006-02-01 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RALINK TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANGJIU TECHNOLOGY CO., LTD. Effective date: 20100412 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 7/F, NO.48, SECTION 3, NANGANG ROAD, NANGANG DISTRICT, TAIBEI CITY, TAIWAN PROVINCE TO: 5/F, NO.36, TAIYUAN STREET, ZHUBEI CITY, HSINCHU COUNTY, TAIWAN PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20100412 Address after: Taiwan Yuan Jie Taiwan jhubei City, county of Hsinchu province No. 36 5 floor Patentee after: Ralink Technology Inc. Address before: Nangang Road, Nangang District of Taiwan city in Taipei province 3 No. 48 7 floor Patentee before: Wangjiu Science & Technology Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: LIANFA SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: RALINK TECHNOLOGY INC. Effective date: 20140709 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140709 Address after: Hsinchu Science Park, Taiwan, China Patentee after: MediaTek.Inc Address before: Taiwan Hsinchu County Tai Yuan Street Chinese jhubei City, No. 36 5 floor Patentee before: Ralink Technology Inc. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071128 Termination date: 20191010 |
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CF01 | Termination of patent right due to non-payment of annual fee |