DE69023596T2 - P-Kode unterstützter GPS-Empfänger. - Google Patents

P-Kode unterstützter GPS-Empfänger.

Info

Publication number
DE69023596T2
DE69023596T2 DE69023596T DE69023596T DE69023596T2 DE 69023596 T2 DE69023596 T2 DE 69023596T2 DE 69023596 T DE69023596 T DE 69023596T DE 69023596 T DE69023596 T DE 69023596T DE 69023596 T2 DE69023596 T2 DE 69023596T2
Authority
DE
Germany
Prior art keywords
gps receiver
code supported
supported gps
code
receiver
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
Application number
DE69023596T
Other languages
English (en)
Other versions
DE69023596D1 (de
Inventor
Richard Keegan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DirecTV Group Inc
Original Assignee
Magnavox Electronic Systems Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Magnavox Electronic Systems Co filed Critical Magnavox Electronic Systems Co
Publication of DE69023596D1 publication Critical patent/DE69023596D1/de
Application granted granted Critical
Publication of DE69023596T2 publication Critical patent/DE69023596T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01S19/24—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
DE69023596T 1989-09-25 1990-09-21 P-Kode unterstützter GPS-Empfänger. Expired - Lifetime DE69023596T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/412,049 US4972431A (en) 1989-09-25 1989-09-25 P-code-aided global positioning system receiver

Publications (2)

Publication Number Publication Date
DE69023596D1 DE69023596D1 (de) 1995-12-21
DE69023596T2 true DE69023596T2 (de) 1996-06-13

Family

ID=23631377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023596T Expired - Lifetime DE69023596T2 (de) 1989-09-25 1990-09-21 P-Kode unterstützter GPS-Empfänger.

Country Status (8)

Country Link
US (1) US4972431A (de)
EP (1) EP0420329B1 (de)
JP (1) JP2851693B2 (de)
AU (1) AU637747B2 (de)
CA (1) CA2025964C (de)
DE (1) DE69023596T2 (de)
DK (1) DK0420329T3 (de)
ES (1) ES2081915T3 (de)

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US5736961A (en) * 1995-10-06 1998-04-07 Novatel, Inc. Dual Frequency global positioning system
US5708439A (en) * 1995-10-30 1998-01-13 Trimble Navigation Limited Method and apparatus for observing unknown codes on satellite positioning system
US5610984A (en) * 1995-11-22 1997-03-11 Trimble Navigation Limited Optimal L2 tracking in a SPS receiver under encryption without knowledge of encryption timing characteristics
US5986603A (en) * 1996-02-14 1999-11-16 Trimble Navigation Limited Geometric utilization of exact solutions of the pseudorange equations
US6014101A (en) * 1996-02-26 2000-01-11 Trimble Navigation Limited Post-processing of inverse DGPS corrections
US5689271A (en) * 1996-05-03 1997-11-18 Trimble Navigation Limited Method and apparatus for civilian receiver operation with P(Y) code in satellite positioning system receiver
US6061388A (en) * 1996-06-07 2000-05-09 General Electric Company Spread spectrum communication system with frequency-separated message and reference signals
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US5822429A (en) * 1996-09-17 1998-10-13 Electro-Radiation Incorporated System for preventing global positioning satellite signal reception to unauthorized personnel
DE19639119A1 (de) * 1996-09-24 1998-03-26 Philips Patentverwaltung Elektronisches Gerät mit einem bidirektionalen Drehschalter
US6057876A (en) * 1996-12-18 2000-05-02 General Instrument Corporation Dual conversion settop terminal including a system for avoiding oscillator difference beats
US5995042A (en) * 1997-01-02 1999-11-30 Motorola, Inc. Spoofer detection power management for GPS receivers
US5914686A (en) * 1997-01-11 1999-06-22 Trimble Navigation Limited Utilization of exact solutions of the pseudorange equations
US5768319A (en) * 1997-02-18 1998-06-16 Motorola, Inc. GPS data collection in high noise-to-signal ratio environments
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
US7268700B1 (en) 1998-01-27 2007-09-11 Hoffberg Steven M Mobile communication device
US6816710B2 (en) * 1998-05-06 2004-11-09 Snaptrack, Inc. Method and apparatus for signal processing in a satellite positioning system
DE19824100A1 (de) 1998-05-29 1999-12-23 Mannesmann Vdo Ag Elektronisches Gerät mit einem Drehschalter und einem Anzeigebildschirm
US6125135A (en) * 1998-11-25 2000-09-26 Navcom Technology, Inc. System and method for demodulating global positioning system signals
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
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US6868108B1 (en) * 1999-11-12 2005-03-15 Itt Manufacturing Enterprises, Inc. Method and apparatus for generating and transmitting a stationary dither code
US7177426B1 (en) 2000-10-11 2007-02-13 Digital Authentication Technologies, Inc. Electronic file protection using location
DE60134565D1 (de) * 2000-11-03 2008-08-07 Digital Authentication Technol Schutz einer elektronischen datei unter verwendung des standorts
US7239707B2 (en) * 2000-11-28 2007-07-03 Itt Manufacturing Enterprises, Inc. Staggered pulse acquisition method and apparatus
US6759983B2 (en) 2001-03-28 2004-07-06 Strategic Analysis, Inc. Method and device for precise geolocation of low-power, broadband, amplitude-modulated signals
US7068704B1 (en) * 2001-09-26 2006-06-27 Itt Manufacturing Enterpprises, Inc. Embedded chirp signal for position determination in cellular communication systems
FR2833714B1 (fr) * 2001-12-18 2004-04-02 Thales Sa Procede de traitement d'un signal de navigation contenant des donnees
USH2155H1 (en) 2002-01-28 2006-05-02 The United States Of America As Represented By The Secretary Of The Air Force Downconvert and average identification of biphase coded signal carrier
WO2004034077A2 (en) 2002-10-04 2004-04-22 Sigtec Navigation Pty Ltd Satellite-based positioning system improvement
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
EP1815267B1 (de) 2004-11-15 2015-06-10 Nanotron Technologies GmbH Symmetrisches mehrwegverfahren zur bestimmung des abstandes zweier senderempfänger
JP4778277B2 (ja) * 2005-07-29 2011-09-21 Ｎｅｃ東芝スペースシステム株式会社 測位信号受信装置及び測位信号受信方法
GB0516096D0 (en) 2005-08-04 2005-09-14 British Broadcasting Corp Exclusive addressing of groups of broadcast satallite receivers within a portion of the satellite footprint
US8044853B2 (en) * 2007-12-20 2011-10-25 Qualcomm Incorporated Navigation receiver
US8300813B1 (en) * 2008-02-02 2012-10-30 The Boeing Company Secure information transfer based on global position
TWI390234B (zh) * 2008-12-26 2013-03-21 Altek Corp Satellite information operation method of global positioning system device
US8712051B2 (en) 2009-03-13 2014-04-29 Cornell University Spoofing detection for civilian GNSS signals
US7978130B1 (en) * 2009-05-01 2011-07-12 Coherent Navigation, Inc. Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capability
US8395545B2 (en) * 2010-02-09 2013-03-12 Broadcom Corporation Method and system for utilizing reduced functionality processing channels in a GNSS receiver
US9813094B2 (en) * 2012-03-01 2017-11-07 Keysight Technologies, Inc. Wideband receiver
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CN103675855B (zh) * 2013-11-29 2015-11-04 航天恒星科技有限公司 一种基于码周末尾时刻l1ca引导的gps-p码生成方法
US9923741B2 (en) * 2016-03-24 2018-03-20 The United States Of America As Represented By Secretary Of The Navy Method for detecting presence or absence of phase shift keying modulations

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US4870422A (en) * 1982-03-01 1989-09-26 Western Atlas International, Inc. Method and system for determining position from signals from satellites
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Also Published As

Publication number Publication date
AU637747B2 (en) 1993-06-03
AU6307390A (en) 1991-03-28
DE69023596D1 (de) 1995-12-21
EP0420329B1 (de) 1995-11-15
EP0420329A3 (en) 1992-07-01
CA2025964A1 (en) 1991-03-26
JPH03183979A (ja) 1991-08-09
US4972431A (en) 1990-11-20
ES2081915T3 (es) 1996-03-16
DK0420329T3 (da) 1996-03-25
EP0420329A2 (de) 1991-04-03
JP2851693B2 (ja) 1999-01-27
CA2025964C (en) 2000-04-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HUGHES ELECTRONICS CORP., EL SEGUNDO, CALIF., US