DE60139124D1 - - Google Patents
Info
- Publication number
- DE60139124D1 DE60139124D1 DE60139124T DE60139124T DE60139124D1 DE 60139124 D1 DE60139124 D1 DE 60139124D1 DE 60139124 T DE60139124 T DE 60139124T DE 60139124 T DE60139124 T DE 60139124T DE 60139124 D1 DE60139124 D1 DE 60139124D1
- Authority
- DE
- Germany
- Prior art keywords
- early
- modified
- minus
- modifying
- function
- 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
Links
- 238000005314 correlation function Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 238000009795 derivation Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
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
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0011493.4A GB0011493D0 (en) | 2000-05-13 | 2000-05-13 | Method and apparatus for code phase tracking |
| PCT/EP2001/004594 WO2001089108A1 (en) | 2000-05-13 | 2001-04-24 | Method and apparatus for code phase tracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60139124D1 true DE60139124D1 (enExample) | 2009-08-13 |
Family
ID=9891481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60139124T Expired - Lifetime DE60139124D1 (enExample) | 2000-05-13 | 2001-04-24 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6931056B2 (enExample) |
| EP (1) | EP1284050B1 (enExample) |
| JP (1) | JP4757425B2 (enExample) |
| AT (1) | ATE435530T1 (enExample) |
| DE (1) | DE60139124D1 (enExample) |
| GB (1) | GB0011493D0 (enExample) |
| WO (1) | WO2001089108A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828634A (zh) * | 2018-04-26 | 2018-11-16 | 北京理工雷科雷达技术研究院有限公司 | 一种克服窄带抗干扰引起的码环跟踪错误的方法 |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0011493D0 (en) * | 2000-05-13 | 2000-06-28 | Koninkl Philips Electronics Nv | Method and apparatus for code phase tracking |
| US7948769B2 (en) | 2007-09-27 | 2011-05-24 | Hemisphere Gps Llc | Tightly-coupled PCB GNSS circuit and manufacturing method |
| US7885745B2 (en) | 2002-12-11 | 2011-02-08 | Hemisphere Gps Llc | GNSS control system and method |
| US8140223B2 (en) | 2003-03-20 | 2012-03-20 | Hemisphere Gps Llc | Multiple-antenna GNSS control system and method |
| US9002565B2 (en) | 2003-03-20 | 2015-04-07 | Agjunction Llc | GNSS and optical guidance and machine control |
| US8271194B2 (en) | 2004-03-19 | 2012-09-18 | Hemisphere Gps Llc | Method and system using GNSS phase measurements for relative positioning |
| US8190337B2 (en) | 2003-03-20 | 2012-05-29 | Hemisphere GPS, LLC | Satellite based vehicle guidance control in straight and contour modes |
| US8594879B2 (en) | 2003-03-20 | 2013-11-26 | Agjunction Llc | GNSS guidance and machine control |
| US8265826B2 (en) | 2003-03-20 | 2012-09-11 | Hemisphere GPS, LLC | Combined GNSS gyroscope control system and method |
| US8686900B2 (en) | 2003-03-20 | 2014-04-01 | Hemisphere GNSS, Inc. | Multi-antenna GNSS positioning method and system |
| US8138970B2 (en) | 2003-03-20 | 2012-03-20 | Hemisphere Gps Llc | GNSS-based tracking of fixed or slow-moving structures |
| US8634993B2 (en) | 2003-03-20 | 2014-01-21 | Agjunction Llc | GNSS based control for dispensing material from vehicle |
| US7876738B2 (en) * | 2004-03-02 | 2011-01-25 | Nokia Corporation | Preventing an incorrect synchronization between a received code-modulated signal and a replica code |
| US8583315B2 (en) | 2004-03-19 | 2013-11-12 | Agjunction Llc | Multi-antenna GNSS control system and method |
| US6876325B1 (en) | 2004-04-01 | 2005-04-05 | Itt Manufacturing Enterprises, Inc. | System and method for location-finding using communication signals |
| US8391339B2 (en) * | 2006-07-05 | 2013-03-05 | CSR Technology Holdings Inc. | Correlator sum method for spread spectrum signal receivers |
| US8442020B1 (en) | 2006-09-12 | 2013-05-14 | Rockwell Collins, Inc. | Phase compensation system and method to correct M-code dual sideband distortion |
| US8311696B2 (en) | 2009-07-17 | 2012-11-13 | Hemisphere Gps Llc | Optical tracking vehicle control system and method |
| US7835832B2 (en) | 2007-01-05 | 2010-11-16 | Hemisphere Gps Llc | Vehicle control system |
| USRE48527E1 (en) | 2007-01-05 | 2021-04-20 | Agjunction Llc | Optical tracking vehicle control system and method |
| US8000381B2 (en) | 2007-02-27 | 2011-08-16 | Hemisphere Gps Llc | Unbiased code phase discriminator |
| US7808428B2 (en) | 2007-10-08 | 2010-10-05 | Hemisphere Gps Llc | GNSS receiver and external storage device system and GNSS data processing method |
| US7995683B2 (en) | 2007-10-24 | 2011-08-09 | Sirf Technology Inc. | Noise floor independent delay-locked loop discriminator |
| US9002566B2 (en) | 2008-02-10 | 2015-04-07 | AgJunction, LLC | Visual, GNSS and gyro autosteering control |
| US8018376B2 (en) | 2008-04-08 | 2011-09-13 | Hemisphere Gps Llc | GNSS-based mobile communication system and method |
| US8217833B2 (en) | 2008-12-11 | 2012-07-10 | Hemisphere Gps Llc | GNSS superband ASIC with simultaneous multi-frequency down conversion |
| US8386129B2 (en) | 2009-01-17 | 2013-02-26 | Hemipshere GPS, LLC | Raster-based contour swathing for guidance and variable-rate chemical application |
| US8085196B2 (en) * | 2009-03-11 | 2011-12-27 | Hemisphere Gps Llc | Removing biases in dual frequency GNSS receivers using SBAS |
| US8373593B2 (en) * | 2009-07-15 | 2013-02-12 | Topcon Gps, Llc | Navigation receiver for processing signals from a set of antenna units |
| US8401704B2 (en) | 2009-07-22 | 2013-03-19 | Hemisphere GPS, LLC | GNSS control system and method for irrigation and related applications |
| US8174437B2 (en) | 2009-07-29 | 2012-05-08 | Hemisphere Gps Llc | System and method for augmenting DGNSS with internally-generated differential correction |
| US8334804B2 (en) | 2009-09-04 | 2012-12-18 | Hemisphere Gps Llc | Multi-frequency GNSS receiver baseband DSP |
| US8649930B2 (en) | 2009-09-17 | 2014-02-11 | Agjunction Llc | GNSS integrated multi-sensor control system and method |
| US8548649B2 (en) | 2009-10-19 | 2013-10-01 | Agjunction Llc | GNSS optimized aircraft control system and method |
| US20110188618A1 (en) * | 2010-02-02 | 2011-08-04 | Feller Walter J | Rf/digital signal-separating gnss receiver and manufacturing method |
| US8583326B2 (en) | 2010-02-09 | 2013-11-12 | Agjunction Llc | GNSS contour guidance path selection |
| US20120326926A1 (en) * | 2011-06-24 | 2012-12-27 | Mayflower Communications Company, Inc. | High sensitivity gps/gnss receiver |
| CN102338878B (zh) * | 2011-07-19 | 2013-11-06 | 电子科技大学 | 一种多径抑制boc码跟踪方法以及码跟踪环 |
| US9891323B2 (en) * | 2011-12-14 | 2018-02-13 | Furuno Electric Co., Ltd. | GNSS signal processing method, positioning method, GNSS signal processing program, positioning program, GNSS signal processing device, positioning apparatus and mobile terminal |
| CN108957492B (zh) * | 2018-07-24 | 2021-07-02 | 桂林电子科技大学 | 一种gps的l1c/a和l1c联合捕获方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754259A (en) * | 1987-03-11 | 1988-06-28 | Honeywell Inc. | Angle digitizer with enhanced harmonic rejection |
| US5390207A (en) * | 1990-11-28 | 1995-02-14 | Novatel Communications Ltd. | Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators |
| US5101416A (en) * | 1990-11-28 | 1992-03-31 | Novatel Comunications Ltd. | Multi-channel digital receiver for global positioning system |
| US5493588A (en) * | 1992-01-22 | 1996-02-20 | Trimble Navigation Limited | Multipath compensation for code phase signals |
| US5677927A (en) * | 1994-09-20 | 1997-10-14 | Pulson Communications Corporation | Ultrawide-band communication system and method |
| US5854815A (en) * | 1994-12-09 | 1998-12-29 | Trimble Navigation Limited | Code phase signal multipath compensation |
| US6023489A (en) * | 1995-05-24 | 2000-02-08 | Leica Geosystems Inc. | Method and apparatus for code synchronization in a global positioning system receiver |
| US5640416A (en) * | 1995-06-07 | 1997-06-17 | Comsat Corporation | Digital downconverter/despreader for direct sequence spread spectrum communications system |
| US6160841A (en) * | 1996-05-24 | 2000-12-12 | Leica Geosystems Inc. | Mitigation of multipath effects in global positioning system receivers |
| US5805108A (en) * | 1996-09-16 | 1998-09-08 | Trimble Navigation Limited | Apparatus and method for processing multiple frequencies in satellite navigation systems |
| JP3282518B2 (ja) * | 1996-09-25 | 2002-05-13 | ケイディーディーアイ株式会社 | スペクトラム拡散通信方式 |
| US6658048B1 (en) * | 2000-04-07 | 2003-12-02 | Nokia Mobile Phones, Ltd. | Global positioning system code phase detector with multipath compensation and method for reducing multipath components associated with a received signal |
| GB0011493D0 (en) * | 2000-05-13 | 2000-06-28 | Koninkl Philips Electronics Nv | Method and apparatus for code phase tracking |
-
2000
- 2000-05-13 GB GBGB0011493.4A patent/GB0011493D0/en not_active Ceased
-
2001
- 2001-04-24 JP JP2001585420A patent/JP4757425B2/ja not_active Expired - Fee Related
- 2001-04-24 AT AT01947237T patent/ATE435530T1/de not_active IP Right Cessation
- 2001-04-24 DE DE60139124T patent/DE60139124D1/de not_active Expired - Lifetime
- 2001-04-24 EP EP01947237A patent/EP1284050B1/en not_active Expired - Lifetime
- 2001-04-24 WO PCT/EP2001/004594 patent/WO2001089108A1/en not_active Ceased
- 2001-05-11 US US09/854,402 patent/US6931056B2/en not_active Expired - Lifetime
-
2005
- 2005-07-08 US US11/177,851 patent/US20050265494A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828634A (zh) * | 2018-04-26 | 2018-11-16 | 北京理工雷科雷达技术研究院有限公司 | 一种克服窄带抗干扰引起的码环跟踪错误的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003533937A (ja) | 2003-11-11 |
| US6931056B2 (en) | 2005-08-16 |
| US20050265494A1 (en) | 2005-12-01 |
| WO2001089108A1 (en) | 2001-11-22 |
| ATE435530T1 (de) | 2009-07-15 |
| EP1284050B1 (en) | 2009-07-01 |
| EP1284050A1 (en) | 2003-02-19 |
| JP4757425B2 (ja) | 2011-08-24 |
| US20010055330A1 (en) | 2001-12-27 |
| GB0011493D0 (en) | 2000-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60139124D1 (enExample) | ||
| Dedes et al. | Indoor GPS positioning-challenges and opportunities | |
| CA2343059A1 (en) | Method and apparatus for increasing the sensitivity of a global positioning satellite receiver | |
| JP4562348B2 (ja) | 信号を分割する方法並びにそのような方法を利用する信号処理回路及び装置 | |
| GB0220914D0 (en) | Lidar apparatus and method | |
| SE9702890D0 (sv) | CDMA synchronous acquisitiion circuit | |
| IL203410A0 (en) | Cdma system which uses pre-rotation before transmission | |
| CN101212234A (zh) | 双相偏置载频信号获取和追踪的方法及装置 | |
| AU7056500A (en) | Apparatus and methods for receiving information using variable length accumulation searchers | |
| KR100805394B1 (ko) | 타겟 확산 스펙트럼 신호 디스프레딩 방법, 이동 유닛 및 기지국 | |
| EP1215824A3 (en) | System and method for fine acquisition of a spread spectrum signal | |
| FI113425B (fi) | Menetelmä vastaanottimen tahdistamiseksi, järjestelmä ja elektroniikkalaite | |
| JP2008541585A (ja) | ソフトウェアベースのスペクトル拡散信号処理 | |
| US9977131B2 (en) | Fast fix using perfect reference in a satellite-based positioning system | |
| JP2005513510A (ja) | 信号の受信と捕捉のための方法及び装置 | |
| NO994404L (no) | Estimering av kanalimpulsrespons ved bruk av korrelasjon med linjefjerning | |
| AU2002223559A1 (en) | Searching for signals in a communications system | |
| US20040141574A1 (en) | Determination of the code phase between a code modulated signal and a replica code sequence | |
| WO2003001400A3 (en) | Synthesizing coherent correlation sums at one or multiple carrier frequencies using correlation sums calculated at a coarse set of frequencies | |
| TW200501620A (en) | Slot synchronization for a CDMA system | |
| US20070076786A1 (en) | Methods and apparatuses for processing spread spectrum signals | |
| Seals et al. | Using both GPS L1 C/A and L1C: Strategies to improve acquisition sensitivity | |
| WO2004038944A1 (en) | Determination of the correlation phase between a signal and a replica sequence | |
| JP4642759B2 (ja) | サンプル直接シーケンス拡散スペクトル信号と局所供給レプリカとの相関をとる方法 | |
| JP2001320301A (ja) | 信号処理回路 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |