ES2167527T3 - Procedimiento y circuito de recepcion de señales de posicionamiento por satelites con eliminacion de errores de multitrayectorias. - Google Patents
Procedimiento y circuito de recepcion de señales de posicionamiento por satelites con eliminacion de errores de multitrayectorias.Info
- Publication number
- ES2167527T3 ES2167527T3 ES96402653T ES96402653T ES2167527T3 ES 2167527 T3 ES2167527 T3 ES 2167527T3 ES 96402653 T ES96402653 T ES 96402653T ES 96402653 T ES96402653 T ES 96402653T ES 2167527 T3 ES2167527 T3 ES 2167527T3
- Authority
- ES
- Spain
- Prior art keywords
- codes
- procedure
- measurements
- satellite positioning
- multitrayectoral
- 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
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
- G01S19/22—Multipath-related issues
-
- 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
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
- H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
-
- 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
- H04B1/70757—Synchronisation aspects with code phase acquisition with increased resolution, i.e. higher than half a chip
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Abstract
LA INVENCION SE REFIERE A LOS RECEPTORES DE POSICIONAMIENTO POR SATELITE. PARA REDUCIR EL EFECTO NEFASTO DE LOS TRAYECTOS REFLEJADOS EN LA MEDIDA DE POSICION GPS QUE NO DEBERIA TENER EN CUENTA MAS QUE EL TRAYECTO DE LAS SEÑALES DE RADIOFRECUENCIA EN LINEA RECTA, SE PROPONE SEGUN LA INVENCION UN PROCEDIMIENTO QUE PERMITE POR SIMPLE CALCULO DE EXTRAPOLACION ELIMINAR LA INFLUENCIA DE LOS MULTITRAYECTOS. SE EFECTUAN MEDICIONES POR CORRELACION CON CUATRO CODIGOS SEUDOALEATORIOS E1, E2, L1, L2 REPLICAS DE UN CODIGO RECIBIDO DE UN SATELITE. SE EFECTUA UN PRIMER CONJUNTO DE MEDICIONES DE ENERGIAS DE CORRELACION Y DE TIEMPO RECIBIDO CON CODIGOS E1, L1 QUE CORRESPONDEN A UN AVANCE Y A UN RETARDO D RESPECTO A UN CODIGO PUNTUAL, Y UN SEGUNDO CONJUNTO DE MEDICIONES CON LOS CODIGOS E2, L2 QUE CORRESPONDEN A UN AVANCE Y A UN RETARDO K.D (K DIFERENTE DE 1 Y DE 0). POR EXTRAPOLACION LINEAL, SE DEDUCEN LAS MEDIDAS PARA K=0, QUE CORRESPONDE EN EL CASO DE QUE LOS MULTITRAYECTOS NO TENGAN EFECTO. LA INVENCION PUEDE APLICARSE CON UN SOLO BUCLE DE REALIMENTACION DE CODIGO ALEATORIO O DOS BUCLES INDEPENDIENTES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9514917A FR2742612B1 (fr) | 1995-12-15 | 1995-12-15 | Procede et circuit de reception de signaux de positionnement par satellites avec elimination des erreurs de multitrajets |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2167527T3 true ES2167527T3 (es) | 2002-05-16 |
Family
ID=9485564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96402653T Expired - Lifetime ES2167527T3 (es) | 1995-12-15 | 1996-12-06 | Procedimiento y circuito de recepcion de señales de posicionamiento por satelites con eliminacion de errores de multitrayectorias. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5781152A (es) |
EP (1) | EP0779518B1 (es) |
CN (1) | CN1117990C (es) |
CA (1) | CA2192751C (es) |
DE (1) | DE69616950T2 (es) |
ES (1) | ES2167527T3 (es) |
FR (1) | FR2742612B1 (es) |
RU (1) | RU2178953C2 (es) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6917644B2 (en) * | 1996-04-25 | 2005-07-12 | Sirf Technology, Inc. | Spread spectrum receiver with multi-path correction |
US6198765B1 (en) * | 1996-04-25 | 2001-03-06 | Sirf Technologies, Inc. | Spread spectrum receiver with multi-path correction |
US5918161A (en) * | 1997-01-16 | 1999-06-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for reducing multipath signal error using deconvolution |
FR2759220B1 (fr) * | 1997-01-31 | 1999-04-23 | Sextant Avionique | Circuit de traitement analogique de signal pour recepteur de positionnement par satellite |
US6215442B1 (en) * | 1997-02-03 | 2001-04-10 | Snaptrack, Inc. | Method and apparatus for determining time in a satellite positioning system |
US5903654A (en) * | 1997-08-06 | 1999-05-11 | Rockwell Science Center, Inc. | Method and apparatus for eliminating ionospheric delay error in global positioning system signals |
US6493378B1 (en) * | 1998-01-06 | 2002-12-10 | Topcon Gps Llc | Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signals |
EP1031848A4 (en) * | 1998-09-15 | 2006-05-03 | Samsung Electronics Co Ltd | METHOD FOR INCREASING INSENSITIVITY TO INTERFERENCE WHEN RECEIVING SIGNALS FROM SATELLITE NAVIGATION SYSTEMS, AND DEVICE FOR IMPLEMENTING SAID METHOD |
FR2783929B1 (fr) | 1998-09-25 | 2000-12-08 | Sextant Avionique | Procede et dispositif de traitement en reception d'un signal l2 de satellite gps |
US6236355B1 (en) * | 1999-01-23 | 2001-05-22 | Trimble Navigation Ltd | Fast recovery of lock point information for GPS RTK receiver |
US6239743B1 (en) * | 1999-07-28 | 2001-05-29 | Trimble Navigation Limited | Integrated split spectrum positioning system receiver |
US6282231B1 (en) * | 1999-12-14 | 2001-08-28 | Sirf Technology, Inc. | Strong signal cancellation to enhance processing of weak spread spectrum signal |
US6541950B2 (en) * | 2000-01-26 | 2003-04-01 | Novatel, Inc. | Multipath meter |
US6987820B1 (en) * | 2000-10-18 | 2006-01-17 | Honeywell International, Inc. | Apparatus for navigation satellite signal quality monitoring |
FR2818840B1 (fr) * | 2000-12-22 | 2004-06-04 | Thomson Csf | Procede et dispositif pour le traitement des interferences dans des signaux recus par un reseau de capteurs |
FI111300B (fi) * | 2001-05-25 | 2003-06-30 | Nokia Corp | Menetelmä sijainninmääritysvastaanottimen toiminnan ohjaamiseksi ja elektroniikkalaite |
EP1288672A1 (en) * | 2001-08-08 | 2003-03-05 | Septentrio N.V. | Method and apparatus for processing signals for ranging applications |
FR2829638B1 (fr) * | 2001-09-07 | 2003-12-12 | Thales Sa | Procede et dispositif d'antiparasitage, en reception, d'un signal radioelectrique a large bande |
KR100438396B1 (ko) * | 2001-11-06 | 2004-07-02 | 지규인 | 위성을 이용한 위치결정수신기의 실시간 다중경로오차검출방법 및 그 방법을 이용한 위치결정 장치 |
FR2832878B1 (fr) * | 2001-11-27 | 2004-02-13 | Thales Sa | Procede de detection et de traitement de signaux pulses dans un signal radioelectrique |
US6775341B2 (en) * | 2001-11-30 | 2004-08-10 | Motorola, Inc. | Time recovery circuit and method for synchronizing timing of a signal in a receiver to timing of the signal in a transmitter |
FR2833784B1 (fr) * | 2001-12-18 | 2004-02-13 | Thales Sa | Procede d'antibrouillage pour recepteur de signaux radioelectriques a spectre etale |
FR2833714B1 (fr) * | 2001-12-18 | 2004-04-02 | Thales Sa | Procede de traitement d'un signal de navigation contenant des donnees |
US7471754B2 (en) * | 2002-11-15 | 2008-12-30 | Telecom Italia S.P.A. | Method and device for fine synchronization of a digital telecommunication receiver |
FR2857101B1 (fr) * | 2003-07-01 | 2007-01-05 | Thales Sa | Procede de rejection d'interferences perturbant la reception d'un signal de transmission et dispositif |
US7702002B2 (en) * | 2004-01-28 | 2010-04-20 | Qualcomm Incorporated | Rapid acquisition methods and apparatus for GPS signals |
FR2867619B1 (fr) * | 2004-03-12 | 2006-06-23 | Thales Sa | Dispositif de decalage de frequence dans un chemin optique a source laser pulsee |
US9246728B2 (en) | 2004-07-29 | 2016-01-26 | Qualcomm Incorporated | System and method for frequency diversity |
CA2575529A1 (en) | 2004-07-29 | 2006-02-09 | Qualcomm Incorporated | System and method for interleaving |
US8391410B2 (en) | 2004-07-29 | 2013-03-05 | Qualcomm Incorporated | Methods and apparatus for configuring a pilot symbol in a wireless communication system |
US9042212B2 (en) | 2005-07-29 | 2015-05-26 | Qualcomm Incorporated | Method and apparatus for communicating network identifiers in a communication system |
US9391751B2 (en) | 2005-07-29 | 2016-07-12 | Qualcomm Incorporated | System and method for frequency diversity |
JP4274173B2 (ja) * | 2005-12-15 | 2009-06-03 | セイコーエプソン株式会社 | 測位装置、測位方法及びプログラム |
US8396013B2 (en) | 2006-09-11 | 2013-03-12 | Qualcomm Incorporated | Method and apparatus for supporting half-duplex terminals in an asynchronous mode |
TWI470957B (zh) | 2006-10-30 | 2015-01-21 | Interdigital Tech Corp | 無線通信系統中處理反饋方法及裝置 |
US7982861B2 (en) * | 2008-07-31 | 2011-07-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Time delay and distance measurement |
US8233516B2 (en) | 2009-06-24 | 2012-07-31 | Qualcomm Incorporated | Wideband correlation mode switching methods and apparatuses |
JP2011237386A (ja) | 2010-05-13 | 2011-11-24 | Gnss Technologies Inc | ナビゲーション信号送信装置、ナビゲーション信号送信方法および位置情報提供装置 |
GB2493161B (en) * | 2011-07-26 | 2017-05-10 | Stmicroelectronics (Research & Development) Ltd | Multi-path detection |
FR2992070B1 (fr) | 2012-06-15 | 2019-05-10 | Thales | Recepteur de signaux satellitaires servant a la localisation |
US9897701B2 (en) | 2013-10-08 | 2018-02-20 | Samsung Electronics Co., Ltd | Method for efficiently detecting impairments in a multi-constellation GNSS receiver |
DE102015203616A1 (de) | 2015-02-27 | 2016-09-01 | Continental Teves Ag & Co. Ohg | Multipath Erkennung mittels Vergleich zweier unterschiedlicher GNSS Signalen |
RU2696558C1 (ru) * | 2018-05-29 | 2019-08-05 | АО "Научно-технический центр радиоэлектронной борьбы" | Способ радиоэлектронного подавления приемных устройств потребителей глобальных навигационных спутниковых систем |
CN112684479B (zh) * | 2020-11-23 | 2023-06-16 | 中国人民解放军国防科技大学 | 导航接收机的二次捕获方法及其导航接收机 |
FR3131389A1 (fr) * | 2021-12-29 | 2023-06-30 | Thales | Dispositif et procede de positionnement autonome de vehicules |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3706933A (en) * | 1963-09-17 | 1972-12-19 | Sylvania Electric Prod | Synchronizing systems in the presence of noise |
DE3743731C2 (de) * | 1987-12-23 | 1994-11-24 | Ant Nachrichtentech | Verfahren und Schaltungsanordnung zur Regelung der Phasenlage zwischen einem erzeugten Code und einem in einem empfangenen spektral gespreizten Signal enthaltenen empfangenen Code |
FR2631193B1 (fr) * | 1988-05-06 | 1994-09-16 | Europ Rech Electr Lab | Procede d'embrouillage et de desembrouillage de signaux video composites, et dispositif de mise en oeuvre |
US5208856A (en) * | 1988-12-23 | 1993-05-04 | Laboratoire Europeen De Recherches Electroniques Avancees | Scrambling and unscrambling method for composite video signals and implementing device |
US5101416A (en) * | 1990-11-28 | 1992-03-31 | Novatel Comunications Ltd. | Multi-channel digital receiver for global positioning system |
US5414729A (en) * | 1992-01-24 | 1995-05-09 | Novatel Communications Ltd. | Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing |
US5347536A (en) * | 1993-03-17 | 1994-09-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multipath noise reduction for spread spectrum signals |
US5615232A (en) * | 1993-11-24 | 1997-03-25 | Novatel Communications Ltd. | Method of estimating a line of sight signal propagation time using a reduced-multipath correlation function |
CN1033549C (zh) * | 1994-04-22 | 1996-12-11 | 北京市赛达科贸公司 | Gps导航仪 |
-
1995
- 1995-12-15 FR FR9514917A patent/FR2742612B1/fr not_active Expired - Fee Related
-
1996
- 1996-12-06 DE DE69616950T patent/DE69616950T2/de not_active Expired - Fee Related
- 1996-12-06 EP EP96402653A patent/EP0779518B1/fr not_active Expired - Lifetime
- 1996-12-06 ES ES96402653T patent/ES2167527T3/es not_active Expired - Lifetime
- 1996-12-12 CA CA002192751A patent/CA2192751C/fr not_active Expired - Fee Related
- 1996-12-14 RU RU96123845/09A patent/RU2178953C2/ru not_active IP Right Cessation
- 1996-12-16 CN CN96114006A patent/CN1117990C/zh not_active Expired - Fee Related
- 1996-12-16 US US08/767,428 patent/US5781152A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
RU2178953C2 (ru) | 2002-01-27 |
CA2192751C (fr) | 2008-04-01 |
EP0779518B1 (fr) | 2001-11-14 |
DE69616950D1 (de) | 2001-12-20 |
EP0779518A1 (fr) | 1997-06-18 |
FR2742612B1 (fr) | 1998-02-06 |
CN1117990C (zh) | 2003-08-13 |
DE69616950T2 (de) | 2002-07-04 |
CN1157416A (zh) | 1997-08-20 |
CA2192751A1 (fr) | 1997-06-16 |
FR2742612A1 (fr) | 1997-06-20 |
US5781152A (en) | 1998-07-14 |
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