ATE403884T1 - Signaldetektor sowie verfahren mit kohärentem akkumulationssystem zur korrelation von unterschiedlichen und disjunkten segmenten von abtastwerten - Google Patents
Signaldetektor sowie verfahren mit kohärentem akkumulationssystem zur korrelation von unterschiedlichen und disjunkten segmenten von abtastwertenInfo
- Publication number
- ATE403884T1 ATE403884T1 AT01919707T AT01919707T ATE403884T1 AT E403884 T1 ATE403884 T1 AT E403884T1 AT 01919707 T AT01919707 T AT 01919707T AT 01919707 T AT01919707 T AT 01919707T AT E403884 T1 ATE403884 T1 AT E403884T1
- Authority
- AT
- Austria
- Prior art keywords
- segments
- signal detector
- different
- samples
- coherent
- Prior art date
Links
- 230000001427 coherent effect Effects 0.000 title abstract 4
- 238000009825 accumulation Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
Classifications
-
- 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
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
-
- 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
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
-
- 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
-
- 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
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/254—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to Doppler shift of satellite signals
-
- 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
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0034—Correction of carrier offset using hypothesis testing
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/551,047 US6850557B1 (en) | 2000-04-18 | 2000-04-18 | Signal detector and method employing a coherent accumulation system to correlate non-uniform and disjoint sample segments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE403884T1 true ATE403884T1 (de) | 2008-08-15 |
Family
ID=24199621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01919707T ATE403884T1 (de) | 2000-04-18 | 2001-04-17 | Signaldetektor sowie verfahren mit kohärentem akkumulationssystem zur korrelation von unterschiedlichen und disjunkten segmenten von abtastwerten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6850557B1 (de) |
| EP (1) | EP1301803B1 (de) |
| JP (1) | JP3964681B2 (de) |
| AT (1) | ATE403884T1 (de) |
| DE (1) | DE60135226D1 (de) |
| WO (1) | WO2001079877A2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371460A (zh) * | 2022-01-24 | 2022-04-19 | 电子科技大学 | 一种机载雷达海面运动目标能量积累与海杂波抑制方法 |
Families Citing this family (86)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040143392A1 (en) | 1999-07-12 | 2004-07-22 | Skybitz, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
| US8255149B2 (en) | 1999-07-12 | 2012-08-28 | Skybitz, Inc. | System and method for dual-mode location determination |
| US6714158B1 (en) * | 2000-04-18 | 2004-03-30 | Sirf Technology, Inc. | Method and system for data detection in a global positioning system satellite receiver |
| KR100896824B1 (ko) * | 2001-02-06 | 2009-05-12 | 엔엑스피 비 브이 | Gps 신호 역확산 방법 및 gps 수신기와 이 수신기를 포함하는 이동 전화기 |
| US7925210B2 (en) * | 2001-05-21 | 2011-04-12 | Sirf Technology, Inc. | Synchronizing a radio network with end user radio terminals |
| CN1623286A (zh) | 2002-03-28 | 2005-06-01 | 诺基亚有限公司 | 用于确定接收信标信号与重建信号之间相关性的方法 |
| US7596190B2 (en) * | 2002-04-01 | 2009-09-29 | Qualcomm Incorporated | System, method, and apparatus for correction of code doppler shift |
| US7132980B2 (en) * | 2002-11-01 | 2006-11-07 | Sirf Technology, Inc. | Multi-function device with positioning system and shared processor |
| US7822105B2 (en) * | 2003-09-02 | 2010-10-26 | Sirf Technology, Inc. | Cross-correlation removal of carrier wave jamming signals |
| WO2005027353A2 (en) | 2003-09-12 | 2005-03-24 | Ems Technologies Canada, Ltd. | Hybrid frequency offset estimator |
| US7839916B1 (en) * | 2003-10-08 | 2010-11-23 | L-3 Communications Corporation | Systems and methods for communication in a global positioning system (GPS) device |
| KR100617786B1 (ko) * | 2004-07-13 | 2006-08-28 | 삼성전자주식회사 | 도플러 변화를 보상하는 고감도 전세계위치확인 시스템수신기 및 방법 |
| US8254512B2 (en) * | 2004-11-17 | 2012-08-28 | Qualcomm Incorporated | Method and apparatus for increasing coherent integration length while receiving a positioning signal |
| DE102005026093B4 (de) * | 2005-06-07 | 2007-07-05 | Atmel Germany Gmbh | Detektionseinheit |
| JP4777353B2 (ja) | 2005-08-18 | 2011-09-21 | 三菱電機株式会社 | Gps測位方法及びgps測位装置 |
| US7498981B2 (en) * | 2005-10-07 | 2009-03-03 | The Charles Stark Draper Laboratory, Inc. | Method and apparatus for real-time digital processing of satellite positional signals for fast acquisition and low SNR tracking |
| US7903719B2 (en) * | 2005-12-21 | 2011-03-08 | Qualcomm Incorporated | Optimal use of resources for signal processors |
| US7693211B2 (en) * | 2006-04-20 | 2010-04-06 | Sirf Technology Holdings, Inc. | Fast fourier transform based phase locked loop for navigational receivers |
| KR20080068102A (ko) | 2006-04-27 | 2008-07-22 | 세이코 엡슨 가부시키가이샤 | 측위 장치, 측위 제어 방법, 측위 제어 프로그램 및 기록매체 |
| JP5128585B2 (ja) * | 2006-05-24 | 2013-01-23 | ノキア コーポレイション | Cdma受信機において、捕捉、追跡およびホスティングにハードウェアおよびソフトウェアを使用する方法 |
| US8553808B2 (en) | 2006-12-13 | 2013-10-08 | Motorola Mobility Llc | Method and apparatus for detecting the presence of a signal in a frequency band using non-uniform sampling |
| US7602336B2 (en) * | 2007-06-11 | 2009-10-13 | The Aerospace Corporation | Coherently combining antennas |
| US7743177B2 (en) * | 2007-06-29 | 2010-06-22 | Sirf Technology Holdings, Inc. | High sensitivity global navigation satellite system (GNSS) receiver platform having DMA controller for transferring between internal and external memory |
| JP4766067B2 (ja) * | 2008-03-28 | 2011-09-07 | ソニー株式会社 | 情報処理装置、位置推定方法、プログラム、および人工衛星システム |
| JP2008233103A (ja) * | 2008-05-19 | 2008-10-02 | Seiko Epson Corp | 測位装置、測位装置の制御方法、その制御プログラム及び記録媒体 |
| JP2008261870A (ja) * | 2008-05-19 | 2008-10-30 | Seiko Epson Corp | 測位装置、測位装置の制御方法、その制御プログラム及び記録媒体 |
| JP2008233102A (ja) * | 2008-05-19 | 2008-10-02 | Seiko Epson Corp | 測位装置、測位装置の制御方法、その制御プログラム及び記録媒体 |
| ATE482408T1 (de) * | 2008-05-26 | 2010-10-15 | Ublox Ag | Verfahren zur bearbeitung eines von einem analogen eingangssignal eines gnss-empfängers abgeleiteten digitalen signals, basisbandschaltung eines gnss-empfängers zur durchführung des verfahrens und gnss-empfänger |
| US8442095B2 (en) * | 2008-06-14 | 2013-05-14 | Qualcomm Incorporated | Multiple correlation processing in code space search |
| US7924224B2 (en) * | 2008-08-15 | 2011-04-12 | Trueposition, Inc. | Variable coherence integration for the location of weak signals |
| FR2936669B1 (fr) * | 2008-09-26 | 2011-11-25 | Thales Sa | Procede pour optimiser une acquisition d'un signal a spectre etale provenant d'un satellite par un recepteur mobile |
| FR2942576B1 (fr) * | 2009-02-23 | 2011-02-18 | Commissariat Energie Atomique | Procede d'estimation d'un decalage de frequence porteuse dans un recepteur de signaux de telecommunication, notamment un dispositif mobile. |
| US20110050496A1 (en) * | 2009-09-02 | 2011-03-03 | Qualcomm Incorporated | Energy Domain Based Peak Reconstruction Methods And Apparatuses |
| JP5652049B2 (ja) * | 2010-08-16 | 2015-01-14 | セイコーエプソン株式会社 | 位置算出方法及び受信装置 |
| US8559413B2 (en) | 2010-09-30 | 2013-10-15 | Qualcomm Incorporated | System and method for detecting packet synchronization |
| JP2014529729A (ja) * | 2011-08-02 | 2014-11-13 | ネクストナヴ,エルエルシー | 広域測位システム(waps)におけるセル編成および送信方式 |
| US8922430B2 (en) | 2011-12-22 | 2014-12-30 | Trueposition, Inc. | Optimization of variable coherence integration for the location of weak signals |
| US8849715B2 (en) | 2012-10-24 | 2014-09-30 | Causam Energy, Inc. | System, method, and apparatus for settlement for participation in an electric power grid |
| US9513648B2 (en) | 2012-07-31 | 2016-12-06 | Causam Energy, Inc. | System, method, and apparatus for electric power grid and network management of grid elements |
| US10861112B2 (en) | 2012-07-31 | 2020-12-08 | Causam Energy, Inc. | Systems and methods for advanced energy settlements, network-based messaging, and applications supporting the same on a blockchain platform |
| US8983669B2 (en) | 2012-07-31 | 2015-03-17 | Causam Energy, Inc. | System, method, and data packets for messaging for electric power grid elements over a secure internet protocol network |
| US10475138B2 (en) | 2015-09-23 | 2019-11-12 | Causam Energy, Inc. | Systems and methods for advanced energy network |
| US9307334B2 (en) * | 2013-01-31 | 2016-04-05 | Google Inc. | Method for calculating audio latency in real-time audio processing system |
| US10219163B2 (en) | 2013-03-15 | 2019-02-26 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management |
| US10244504B2 (en) | 2013-03-15 | 2019-03-26 | DGS Global Systems, Inc. | Systems, methods, and devices for geolocation with deployable large scale arrays |
| US10257728B2 (en) | 2013-03-15 | 2019-04-09 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management |
| US9537586B2 (en) | 2013-03-15 | 2017-01-03 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management with remote access to data in a virtual computing network |
| US12356206B2 (en) | 2013-03-15 | 2025-07-08 | Digital Global Systems, Inc. | Systems and methods for automated financial settlements for dynamic spectrum sharing |
| US9078162B2 (en) | 2013-03-15 | 2015-07-07 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management |
| US10237770B2 (en) | 2013-03-15 | 2019-03-19 | DGS Global Systems, Inc. | Systems, methods, and devices having databases and automated reports for electronic spectrum management |
| US10299149B2 (en) | 2013-03-15 | 2019-05-21 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management |
| US8787836B1 (en) | 2013-03-15 | 2014-07-22 | DGS Global Systems, Inc. | Systems, methods, and devices having databases and automated reports for electronic spectrum management |
| US8805292B1 (en) | 2013-03-15 | 2014-08-12 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices |
| US8750156B1 (en) | 2013-03-15 | 2014-06-10 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying open space |
| US11646918B2 (en) | 2013-03-15 | 2023-05-09 | Digital Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying open space |
| US10122479B2 (en) | 2017-01-23 | 2018-11-06 | DGS Global Systems, Inc. | Systems, methods, and devices for automatic signal detection with temporal feature extraction within a spectrum |
| US8798548B1 (en) | 2013-03-15 | 2014-08-05 | DGS Global Systems, Inc. | Systems, methods, and devices having databases for electronic spectrum management |
| US10257729B2 (en) | 2013-03-15 | 2019-04-09 | DGS Global Systems, Inc. | Systems, methods, and devices having databases for electronic spectrum management |
| US10271233B2 (en) | 2013-03-15 | 2019-04-23 | DGS Global Systems, Inc. | Systems, methods, and devices for automatic signal detection with temporal feature extraction within a spectrum |
| US12256233B2 (en) | 2013-03-15 | 2025-03-18 | Digital Global Systems, Inc. | Systems and methods for automated financial settlements for dynamic spectrum sharing |
| US10231206B2 (en) | 2013-03-15 | 2019-03-12 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices |
| US8977212B2 (en) | 2013-03-15 | 2015-03-10 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management with remote access to data in a virtual computing network |
| US10257727B2 (en) | 2013-03-15 | 2019-04-09 | DGS Global Systems, Inc. | Systems methods, and devices having databases and automated reports for electronic spectrum management |
| US9612338B2 (en) * | 2013-07-12 | 2017-04-04 | Texas Instruments Incorporated | Method to improve satellite signal detection |
| CN104090282B (zh) * | 2014-06-18 | 2016-10-05 | 北京邮电大学 | 一种捕获卫星信号的多普勒频移和伪码相位的方法及装置 |
| US10139473B2 (en) * | 2015-02-02 | 2018-11-27 | Panasonic Intellectual Property Management Co., Ltd. | Radar apparatus including transmitting antenna and receiving antenna |
| US11808865B2 (en) | 2016-03-24 | 2023-11-07 | Focal Point Positioning Limited | Method and system for calibrating a system parameter |
| GB2566748B (en) * | 2017-09-26 | 2022-08-17 | Focal Point Positioning Ltd | A method and system for calibrating a system parameter |
| US10222480B2 (en) * | 2016-09-30 | 2019-03-05 | Intel Corporation | Methods and devices for compensating misadjustment of a GNSS device |
| US12183213B1 (en) | 2017-01-23 | 2024-12-31 | Digital Global Systems, Inc. | Unmanned vehicle recognition and threat management |
| US10700794B2 (en) | 2017-01-23 | 2020-06-30 | Digital Global Systems, Inc. | Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time within an electromagnetic spectrum |
| US10459020B2 (en) | 2017-01-23 | 2019-10-29 | DGS Global Systems, Inc. | Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time within a spectrum |
| US10529241B2 (en) | 2017-01-23 | 2020-01-07 | Digital Global Systems, Inc. | Unmanned vehicle recognition and threat management |
| US12205477B2 (en) | 2017-01-23 | 2025-01-21 | Digital Global Systems, Inc. | Unmanned vehicle recognition and threat management |
| US10498951B2 (en) | 2017-01-23 | 2019-12-03 | Digital Global Systems, Inc. | Systems, methods, and devices for unmanned vehicle detection |
| US10594406B2 (en) * | 2018-03-09 | 2020-03-17 | Nokia Solutions And Networks Oy | Pilot-aided digital signal processing for reception of coherent optical communication |
| US11159258B2 (en) | 2018-07-09 | 2021-10-26 | University Of Iowa Research Foundation | Pattern and delay recovery with higher-order spectra |
| US10943461B2 (en) | 2018-08-24 | 2021-03-09 | Digital Global Systems, Inc. | Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time |
| CN110703202B (zh) * | 2019-10-22 | 2022-06-21 | 哈尔滨工程大学 | 基于多声学波浪滑翔机和水面无人艇的水下脉冲声定位系统 |
| CN110907958B (zh) * | 2019-10-23 | 2022-04-01 | 深圳华大北斗科技股份有限公司 | 信号捕获方法、装置、计算机设备和存储介质 |
| US11265076B2 (en) * | 2020-04-10 | 2022-03-01 | Totum Labs, Inc. | System and method for forward error correcting across multiple satellites |
| US10951357B1 (en) * | 2020-04-10 | 2021-03-16 | Totum Labs, Inc. | System and method for detecting a satellite |
| JP7752912B2 (ja) * | 2021-07-30 | 2025-10-14 | 日本無線株式会社 | 受信信号の到来方向偏りの検出方法および検出装置ならびに受信機 |
| CN114545459B (zh) * | 2021-12-22 | 2024-04-05 | 中国西安卫星测控中心 | 基于统一逻辑表征的低轨卫星例行测控任务预处理方法 |
| EP4542261A1 (de) * | 2023-10-17 | 2025-04-23 | u-blox AG | Verarbeitung eines gnss-signals auf basis von dopplerschätzungen |
| US12542576B2 (en) * | 2024-05-15 | 2026-02-03 | Airoha Technology Corp. | Method and apparatus for generating combination output for acquisition by coherently combining correlation outputs of multiple channels |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592173A (en) * | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
| US5841396A (en) * | 1996-03-08 | 1998-11-24 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
| US5831574A (en) * | 1996-03-08 | 1998-11-03 | Snaptrack, Inc. | Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
| US5884214A (en) * | 1996-09-06 | 1999-03-16 | Snaptrack, Inc. | GPS receiver and method for processing GPS signals |
| WO1997014055A1 (en) * | 1995-10-09 | 1997-04-17 | Snaptrack, Inc. | Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
| US6002363A (en) * | 1996-03-08 | 1999-12-14 | Snaptrack, Inc. | Combined GPS positioning system and communications system utilizing shared circuitry |
| US5874914A (en) * | 1995-10-09 | 1999-02-23 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
| US5825327A (en) * | 1996-03-08 | 1998-10-20 | Snaptrack, Inc. | GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
| US5945944A (en) * | 1996-03-08 | 1999-08-31 | Snaptrack, Inc. | Method and apparatus for determining time for GPS receivers |
| US6118808A (en) * | 1996-07-12 | 2000-09-12 | General Electric Company | GPS receiver with efficient signal acquisition |
| US5852630A (en) * | 1997-07-17 | 1998-12-22 | Globespan Semiconductor, Inc. | Method and apparatus for a RADSL transceiver warm start activation procedure with precoding |
| US5999124A (en) * | 1998-04-22 | 1999-12-07 | Snaptrack, Inc, | Satellite positioning system augmentation with wireless communication signals |
| US6236359B1 (en) * | 1998-05-14 | 2001-05-22 | Nortel Networks Limited | Cellular terminal location using GPS signals in the cellular band |
| US6044105A (en) * | 1998-09-01 | 2000-03-28 | Conexant Systems, Inc. | Doppler corrected spread spectrum matched filter |
| US6327473B1 (en) * | 1998-09-08 | 2001-12-04 | Qualcomm Incorporated | Method and apparatus for increasing the sensitivity of a global positioning satellite receiver |
| US6181911B1 (en) * | 1998-09-09 | 2001-01-30 | Qualcomm Incorporated | Simplified receiver with rotator for performing position location |
-
2000
- 2000-04-18 US US09/551,047 patent/US6850557B1/en not_active Expired - Lifetime
-
2001
- 2001-04-17 JP JP2001576488A patent/JP3964681B2/ja not_active Expired - Fee Related
- 2001-04-17 WO PCT/IB2001/000636 patent/WO2001079877A2/en not_active Ceased
- 2001-04-17 DE DE60135226T patent/DE60135226D1/de not_active Expired - Lifetime
- 2001-04-17 AT AT01919707T patent/ATE403884T1/de not_active IP Right Cessation
- 2001-04-17 EP EP01919707A patent/EP1301803B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371460A (zh) * | 2022-01-24 | 2022-04-19 | 电子科技大学 | 一种机载雷达海面运动目标能量积累与海杂波抑制方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1301803B1 (de) | 2008-08-06 |
| JP3964681B2 (ja) | 2007-08-22 |
| US6850557B1 (en) | 2005-02-01 |
| WO2001079877A2 (en) | 2001-10-25 |
| JP2004501352A (ja) | 2004-01-15 |
| WO2001079877A3 (en) | 2002-05-16 |
| DE60135226D1 (de) | 2008-09-18 |
| EP1301803A2 (de) | 2003-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE403884T1 (de) | Signaldetektor sowie verfahren mit kohärentem akkumulationssystem zur korrelation von unterschiedlichen und disjunkten segmenten von abtastwerten | |
| KR100676780B1 (ko) | 약한 확산 스팩트럼 신호의 처리를 개선하기 위한 강한 신호의 소거 | |
| US7522100B2 (en) | Method and device for acquiring weak global navigation satellite system (GNSS) signals | |
| KR100754559B1 (ko) | Gps 시스템의 신호 처리 방법 및 서버와 무선 터미널 | |
| ID30099A (id) | Metoda dan peralatan untuk memperoleh sinyal-sinyal sistem penempatan satelit | |
| US6990140B2 (en) | Signal receiver using coherent integration in interleaved time periods for signal acquisition at low signal strength | |
| WO2000010030A8 (en) | Fast acquisition, high sensitivity gps receiver | |
| DE69729736D1 (de) | Signalkorrelationsverfahren für spreizspektrumempfänger zur reduzierung von mehrwegfehlern | |
| TR200100409T2 (tr) | Bir küresel konumlama sistemi alıcısında sinyal elde edilmesinin geliştirilmesine mahsus metod | |
| DE60036010D1 (de) | System zur signalerfassung für einen spreizspektrumempfänger | |
| ATE418079T1 (de) | Signaldetektor mit korrelationsanalyse von nichteinheitlichen und getrennten abtastsegmenten | |
| WO2007107445A3 (fr) | Procede et dispositif de calcul de correlation rapide | |
| ATE435530T1 (de) | Verfahren un vorrichtung zur kodephasennachführung | |
| CN1455876A (zh) | 解扩gps信号的方法 | |
| FI109311B (fi) | Menetelmä informaatioelementin reunan määrittämiseksi, järjestelmä ja elektroniikkalaite | |
| Soloviev et al. | Decoding navigation data messages from weak GPS signals | |
| US7480325B1 (en) | Signal receiver for integrating and combining integrations in alternating time segments for signal acquisition at low signal strength | |
| US8238411B2 (en) | Acquisition of a code modulated signal | |
| JP5101281B2 (ja) | Gps受信器および関連する方法並びに装置 | |
| US20020077751A1 (en) | Global positioning system (GPS) and GPS receiver | |
| US7359429B2 (en) | Support of the determination of a correlation | |
| US20080232514A1 (en) | GPS signal acquisition circuit | |
| EP1426782A3 (de) | Parallelkorrelator für einen Spreizband-Empfänger | |
| WO2004063761A3 (en) | Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates | |
| Deshpande et al. | Analysis of the effects of GPS receiver acquisition parameters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |