WO1998025157A3 - An improved gps receiver utilizing a communication link - Google Patents
An improved gps receiver utilizing a communication link Download PDFInfo
- Publication number
- WO1998025157A3 WO1998025157A3 PCT/US1997/021260 US9721260W WO9825157A3 WO 1998025157 A3 WO1998025157 A3 WO 1998025157A3 US 9721260 W US9721260 W US 9721260W WO 9825157 A3 WO9825157 A3 WO 9825157A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sps
- receiver
- approximate
- location
- satellites
- Prior art date
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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
-
- 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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
- G01S19/06—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding data
-
- 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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
- G01S19/071—DGPS corrections
-
- 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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/09—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
- G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/009—Transmission of differential positioning data to mobile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3805—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
-
- 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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/11—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters
-
- 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
- G01S19/252—Employing an initial estimate of location in generating assistance data
-
- 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
-
- 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
- G01S19/258—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 the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
-
- 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
- G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S2205/001—Transmission of position information to remote stations
- G01S2205/008—Transmission of position information to remote stations using a mobile telephone network
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2111—Location-sensitive, e.g. geographical location, GPS
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/11—Cellular receiver, e.g. GSM, combined with a GPS receiver
-
- 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
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU55876/98A AU5587698A (en) | 1996-12-04 | 1997-11-20 | An improved gps receiver utilizing a communication link |
DE69739724T DE69739724D1 (en) | 1996-12-04 | 1997-11-20 | IMPROVED GPS RECEIVER USING A MESSAGE LINK |
EP97952207A EP0950194B1 (en) | 1996-12-04 | 1997-11-20 | An improved gps receiver utilizing a communication link |
JP52561898A JP2001505309A (en) | 1996-12-04 | 1997-11-20 | Improved GPS receiver using communication link |
HK00102354.6A HK1024530A1 (en) | 1996-12-04 | 2000-04-19 | An improved gps receiver utilizing a communication link |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/759,523 US5841396A (en) | 1996-03-08 | 1996-12-04 | GPS receiver utilizing a communication link |
US08/759,523 | 1996-12-04 | ||
US08/842,559 | 1997-04-15 | ||
US08/842,559 US6208290B1 (en) | 1996-03-08 | 1997-04-15 | GPS receiver utilizing a communication link |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998025157A2 WO1998025157A2 (en) | 1998-06-11 |
WO1998025157A3 true WO1998025157A3 (en) | 1998-08-13 |
Family
ID=27116694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/021260 WO1998025157A2 (en) | 1996-12-04 | 1997-11-20 | An improved gps receiver utilizing a communication link |
Country Status (8)
Country | Link |
---|---|
US (2) | US6208290B1 (en) |
EP (3) | EP2169848B1 (en) |
JP (1) | JP2001505309A (en) |
AU (1) | AU5587698A (en) |
DE (1) | DE69739724D1 (en) |
ES (1) | ES2336979T3 (en) |
HK (2) | HK1024530A1 (en) |
WO (1) | WO1998025157A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8890746B2 (en) | 2010-11-03 | 2014-11-18 | Skyhook Wireless, Inc. | Method of and system for increasing the reliability and accuracy of location estimation in a hybrid positioning system |
US8989236B2 (en) | 2003-10-22 | 2015-03-24 | Global Locate, Inc. | Method and apparatus for performing frequency synchronization |
US8994591B2 (en) | 1996-09-09 | 2015-03-31 | Tracbeam Llc | Locating a mobile station and applications therefor |
US9134398B2 (en) | 1996-09-09 | 2015-09-15 | Tracbeam Llc | Wireless location using network centric location estimators |
US9237543B2 (en) | 1996-09-09 | 2016-01-12 | Tracbeam, Llc | Wireless location using signal fingerprinting and other location estimators |
US9538493B2 (en) | 2010-08-23 | 2017-01-03 | Finetrak, Llc | Locating a mobile station and applications therefor |
Families Citing this family (276)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
US6208290B1 (en) | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
US6133874A (en) * | 1996-03-08 | 2000-10-17 | Snaptrack, Inc. | Method and apparatus for acquiring satellite positioning system signals |
US6075987A (en) * | 1998-02-27 | 2000-06-13 | Ericsson Inc. | Stand alone global positioning system (GPS) and method with high sensitivity |
US6313786B1 (en) * | 1998-07-02 | 2001-11-06 | Snaptrack, Inc. | Method and apparatus for measurement processing of satellite positioning system (SPS) signals |
US6204808B1 (en) * | 1998-08-13 | 2001-03-20 | Ericsson Inc. | Method and system for aiding GPS receivers via a cellular or PCS network |
IL131446A0 (en) * | 1998-09-01 | 2001-01-28 | Hughes Electronics Corp | Communication network initialization apparatus and method for fast gps-based positioning |
US7711038B1 (en) | 1998-09-01 | 2010-05-04 | Sirf Technology, Inc. | System and method for despreading in a spread spectrum matched filter |
US6515617B1 (en) * | 1998-09-01 | 2003-02-04 | Hughes Electronics Corporation | Method and system for position determination using geostationary earth orbit satellite |
US6067045A (en) | 1998-09-01 | 2000-05-23 | Hughes Electronics Corporation | Communication network initialization apparatus and method for fast GPS-based positioning |
US7545854B1 (en) * | 1998-09-01 | 2009-06-09 | Sirf Technology, Inc. | Doppler corrected spread spectrum matched filter |
US6211820B1 (en) * | 1998-09-09 | 2001-04-03 | Qualcomm Incorporated | Call maintainance during position location |
US6222483B1 (en) | 1998-09-29 | 2001-04-24 | Nokia Mobile Phones Limited | GPS location for mobile phones using the internet |
GB9928356D0 (en) * | 1999-12-01 | 2000-01-26 | Koninkl Philips Electronics Nv | Method and apparatus for code phase correlation |
US7966078B2 (en) | 1999-02-01 | 2011-06-21 | Steven Hoffberg | Network media appliance system and method |
US20020026321A1 (en) * | 1999-02-26 | 2002-02-28 | Sadeg M. Faris | Internet-based system and method for fairly and securely enabling timed-constrained competition using globally time-sychronized client subsystems and information servers having microsecond client-event resolution |
US6625209B1 (en) * | 1999-03-29 | 2003-09-23 | Csi-Wireless, Inc. | Short synchronization time data modem |
US6411892B1 (en) | 2000-07-13 | 2002-06-25 | Global Locate, Inc. | Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris |
US7053824B2 (en) * | 2001-11-06 | 2006-05-30 | Global Locate, Inc. | Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal |
US6397074B1 (en) * | 1999-05-07 | 2002-05-28 | Nokia Mobile Phones Limited | GPS assistance data delivery method and system |
US8255149B2 (en) | 1999-07-12 | 2012-08-28 | Skybitz, Inc. | System and method for dual-mode location determination |
US20040143392A1 (en) * | 1999-07-12 | 2004-07-22 | Skybitz, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
US6480788B2 (en) | 1999-07-12 | 2002-11-12 | Eagle-Eye, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
US6560536B1 (en) * | 1999-07-12 | 2003-05-06 | Eagle-Eye, Inc. | System and method for rapid telepositioning |
US6323803B1 (en) * | 1999-08-10 | 2001-11-27 | Ericsson Inc. | System and method for incremental broadcast of GPS navigation data in a cellular network |
US6594302B1 (en) * | 1999-08-13 | 2003-07-15 | Intel Corporation | Fixed frequency transceiver for use in a frequency hopping system |
US6965760B1 (en) * | 1999-09-07 | 2005-11-15 | Lucent Technologies Inc. | Satellite-based location system employing dynamic integration techniques |
EP1094619A2 (en) * | 1999-10-20 | 2001-04-25 | Sony Corporation | Signal receiving apparatus for global positioning system and mobile communication system |
WO2001059601A1 (en) * | 2000-02-11 | 2001-08-16 | Grounds Thomas L | Device and method for transmitting vehicle position |
CN101950022B (en) | 2000-03-20 | 2012-10-17 | 高通股份有限公司 | Methods and apparatuses for using assistance data relating to satellite position systems |
US6839547B2 (en) * | 2000-03-30 | 2005-01-04 | Cellguide Ltd. | Enhanced GPS receiver utilizing wireless infrastructure |
US6922546B1 (en) * | 2000-05-03 | 2005-07-26 | Lucent Technologies Inc. | GPS signal acquisition based on frequency-domain and time-domain processing |
US6928275B1 (en) | 2000-05-08 | 2005-08-09 | Qualcomm Incorporated | Method and apparatus for compensating local oscillator frequency error |
US7546395B2 (en) * | 2002-10-10 | 2009-06-09 | Sirf Technology, Inc. | Navagation processing between a tracker hardware device and a computer host based on a satellite positioning solution system |
US7970411B2 (en) * | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US7813875B2 (en) * | 2002-10-10 | 2010-10-12 | Sirf Technology, Inc. | Layered host based satellite positioning solutions |
US6389291B1 (en) * | 2000-08-14 | 2002-05-14 | Sirf Technology | Multi-mode global positioning system for use with wireless networks |
US7929928B2 (en) * | 2000-05-18 | 2011-04-19 | Sirf Technology Inc. | Frequency phase correction system |
US8116976B2 (en) | 2000-05-18 | 2012-02-14 | Csr Technology Inc. | Satellite based positioning method and system for coarse location positioning |
US8078189B2 (en) * | 2000-08-14 | 2011-12-13 | Sirf Technology, Inc. | System and method for providing location based services over a network |
US7970412B2 (en) * | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US6671620B1 (en) * | 2000-05-18 | 2003-12-30 | Sirf Technology, Inc. | Method and apparatus for determining global position using almanac information |
US7043363B2 (en) * | 2002-10-10 | 2006-05-09 | Sirf Technology, Inc. | Host based satellite positioning systems |
US6778136B2 (en) * | 2001-12-13 | 2004-08-17 | Sirf Technology, Inc. | Fast acquisition of GPS signal |
US6804290B1 (en) | 2000-05-26 | 2004-10-12 | Motorola, Inc. | Method of acquiring signal code phases and geographic positioning receiver |
GB0013148D0 (en) * | 2000-05-31 | 2000-07-19 | Koninkl Philips Electronics Nv | A method of despreading GPS stread spectrum signals |
US10684350B2 (en) | 2000-06-02 | 2020-06-16 | Tracbeam Llc | Services and applications for a communications network |
US9875492B2 (en) | 2001-05-22 | 2018-01-23 | Dennis J. Dupray | Real estate transaction system |
US10641861B2 (en) | 2000-06-02 | 2020-05-05 | Dennis J. Dupray | Services and applications for a communications network |
US6559620B2 (en) | 2001-03-21 | 2003-05-06 | Digital Angel Corporation | System and method for remote monitoring utilizing a rechargeable battery |
US6847892B2 (en) * | 2001-10-29 | 2005-01-25 | Digital Angel Corporation | System for localizing and sensing objects and providing alerts |
US7616705B1 (en) | 2000-07-27 | 2009-11-10 | Sirf Technology Holdings, Inc. | Monolithic GPS RF front end integrated circuit |
US6856794B1 (en) * | 2000-07-27 | 2005-02-15 | Sirf Technology, Inc. | Monolithic GPS RF front end integrated circuit |
CA2419063A1 (en) * | 2000-08-09 | 2002-02-14 | Skybitz, Inc. | Frequency translator using a cordic phase rotator |
CA2418855A1 (en) | 2000-08-09 | 2002-02-14 | Skybitz, Inc. | System and method for fast code phase and carrier frequency acquisition in gps receiver |
US6961019B1 (en) * | 2000-08-10 | 2005-11-01 | Sirf Technology, Inc. | Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiver |
US7197305B2 (en) * | 2000-08-24 | 2007-03-27 | Sirf Technology, Inc. | Apparatus for reducing auto-correlation or cross-correlation in weak CDMA signals |
US7545850B1 (en) | 2000-08-24 | 2009-06-09 | Sirf Technology, Inc. | Analog compression of GPS C/A signal to audio bandwidth |
EP1914562A3 (en) | 2000-08-25 | 2008-07-02 | QUALCOMM Incorporated | Method and apparatus for using satellite status information in satellite positioning systems |
US6665612B1 (en) * | 2000-08-29 | 2003-12-16 | Sirf Technology, Inc. | Navigation processing for a satellite positioning system receiver |
US6750814B1 (en) | 2000-09-18 | 2004-06-15 | Cellguide Ltd. | Efficient algorithm for processing GPS signals |
AU2001288963A1 (en) * | 2000-09-18 | 2002-04-02 | Skybitz, Inc | System and method for fast code phase and carrier frequency acquisition in gps receiver |
US7463893B1 (en) | 2000-09-22 | 2008-12-09 | Sirf Technology, Inc. | Method and apparatus for implementing a GPS receiver on a single integrated circuit |
US6831911B1 (en) * | 2000-11-18 | 2004-12-14 | Ashvattha Semiconductor Inc. | System and method for receiving and processing GPS and wireless signals |
JP2002159743A (en) * | 2000-11-24 | 2002-06-04 | Jatco Transtechnology Ltd | Gps receiver |
US6724807B1 (en) * | 2000-12-04 | 2004-04-20 | Snaptrack Inc. | Methods and apparatuses for processing of global positioning system signals with a matched filter |
US7671489B1 (en) | 2001-01-26 | 2010-03-02 | Sirf Technology, Inc. | Method and apparatus for selectively maintaining circuit power when higher voltages are present |
US6678510B2 (en) * | 2001-02-05 | 2004-01-13 | Nokia Mobile Phones Ltd. | Method, apparatus and system for GPS time synchronization using cellular signal bursts |
US6891499B2 (en) * | 2001-02-06 | 2005-05-10 | Koninklijke Philips Electronics N.V. | Receiver, apparatus, and method of despreading GPS signals |
US6703971B2 (en) * | 2001-02-21 | 2004-03-09 | Sirf Technologies, Inc. | Mode determination for mobile GPS terminals |
DE10118795A1 (en) * | 2001-04-05 | 2002-10-17 | Deutsche Telekom Ag | System for position data determination has service platform forming external independent server application linked into network infrastructure or internal component of network |
US7006556B2 (en) * | 2001-05-18 | 2006-02-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference |
US7567636B2 (en) * | 2001-05-18 | 2009-07-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation using historical correlation data |
US8244271B2 (en) * | 2001-05-21 | 2012-08-14 | Csr Technology Inc. | Distributed data collection of satellite data |
US8212719B2 (en) | 2001-06-06 | 2012-07-03 | Global Locate, Inc. | Method and apparatus for background decoding of a satellite navigation message to maintain integrity of long term orbit information in a remote receiver |
US6535163B1 (en) | 2001-06-22 | 2003-03-18 | Enuvis, Inc. | Determining location information using sampled data containing location-determining signals and noise |
US6542116B1 (en) | 2001-06-22 | 2003-04-01 | Enuvis, Inc. | Determining the spatio-temporal and kinematic parameters of a signal receiver and its clock by information fusion |
US6651000B2 (en) | 2001-07-25 | 2003-11-18 | Global Locate, Inc. | Method and apparatus for generating and distributing satellite tracking information in a compact format |
US6532251B1 (en) | 2001-08-16 | 2003-03-11 | Motorola, Inc. | Data message bit synchronization and local time correction methods and architectures |
US6775319B2 (en) | 2001-08-16 | 2004-08-10 | Motorola, Inc. | Spread spectrum receiver architectures and methods therefor |
US7069019B2 (en) * | 2001-09-08 | 2006-06-27 | Sirf Technology, Inc. | System and method to estimate the location of a receiver |
WO2003024131A1 (en) * | 2001-09-10 | 2003-03-20 | Sirf Technology, Inc. | System for utilizing cell information to locate a wireless device |
US6785543B2 (en) | 2001-09-14 | 2004-08-31 | Mobile Satellite Ventures, Lp | Filters for combined radiotelephone/GPS terminals |
US6965754B2 (en) * | 2001-10-09 | 2005-11-15 | Motorola, Inc. | Satellite positioning system receiver with reference oscillator circuit and methods therefor |
US6756938B2 (en) | 2001-11-06 | 2004-06-29 | Motorola, Inc. | Satellite positioning system receivers and methods therefor |
US20030125045A1 (en) * | 2001-12-27 | 2003-07-03 | Riley Wyatt Thomas | Creating and using base station almanac information in a wireless communication system having a position location capability |
US8126889B2 (en) * | 2002-03-28 | 2012-02-28 | Telecommunication Systems, Inc. | Location fidelity adjustment based on mobile subscriber privacy profile |
US8918073B2 (en) * | 2002-03-28 | 2014-12-23 | Telecommunication Systems, Inc. | Wireless telecommunications location based services scheme selection |
US8027697B2 (en) | 2007-09-28 | 2011-09-27 | Telecommunication Systems, Inc. | Public safety access point (PSAP) selection for E911 wireless callers in a GSM type system |
US20030186699A1 (en) * | 2002-03-28 | 2003-10-02 | Arlene Havlark | Wireless telecommunications location based services scheme selection |
US7426380B2 (en) | 2002-03-28 | 2008-09-16 | Telecommunication Systems, Inc. | Location derived presence information |
US8290505B2 (en) | 2006-08-29 | 2012-10-16 | Telecommunications Systems, Inc. | Consequential location derived information |
US9154906B2 (en) | 2002-03-28 | 2015-10-06 | Telecommunication Systems, Inc. | Area watcher for wireless network |
US6944540B2 (en) | 2002-03-28 | 2005-09-13 | Motorola, Inc. | Time determination in satellite positioning system receivers and methods therefor |
US6661371B2 (en) | 2002-04-30 | 2003-12-09 | Motorola, Inc. | Oscillator frequency correction in GPS signal acquisition |
JP4003169B2 (en) * | 2002-05-09 | 2007-11-07 | 日本電気株式会社 | Mobile communication terminal with GPS function |
KR100729164B1 (en) * | 2002-05-17 | 2007-06-19 | 모토로라 인코포레이티드 | System and method for frequency management in a communications positioning device |
ATE377200T1 (en) | 2002-05-22 | 2007-11-15 | Sirf Tech Inc | HELP IN A SATELLITE POSITIONING SYSTEM |
US6738013B2 (en) * | 2002-06-20 | 2004-05-18 | Sirf Technology, Inc. | Generic satellite positioning system receivers with selective inputs and outputs |
US7545319B2 (en) * | 2002-06-20 | 2009-06-09 | Sirf Technology, Inc. | Configurable satellite positioning system receivers with programmable inputs |
US6747596B2 (en) * | 2002-06-20 | 2004-06-08 | Sirf Technology, Inc. | Generic satellite positioning system receivers with programmable inputs |
US7239271B1 (en) | 2002-08-15 | 2007-07-03 | Sirf Technology, Inc. | Partial almanac collection system |
JP4255441B2 (en) | 2002-08-15 | 2009-04-15 | サーフ テクノロジー インコーポレイテッド | GPS system interface |
CN100403052C (en) * | 2002-09-06 | 2008-07-16 | 诺基亚公司 | Method and system for estimating position of mobile device |
US7233798B2 (en) * | 2002-09-30 | 2007-06-19 | Motorola, Inc. | Method and apparatus for determining location of a remote unit using GPS |
US8948785B1 (en) | 2002-10-03 | 2015-02-03 | Sprint Spectrum L.P. | Method and system for managing mobile station location information |
US20040073361A1 (en) | 2002-10-15 | 2004-04-15 | Assimakis Tzamaloukas | Enhanced mobile communication device, and transportation application thereof |
US7660588B2 (en) | 2002-10-17 | 2010-02-09 | Qualcomm Incorporated | Method and apparatus for improving radio location accuracy with measurements |
UA84002C2 (en) * | 2002-12-11 | 2008-09-10 | Квелкомм Инкорпорейтед | Method and apparatus for communication with sps sattelites of global position finding |
US20070238455A1 (en) * | 2006-04-07 | 2007-10-11 | Yinjun Zhu | Mobile based area event handling when currently visited network doe not cover area |
US8666397B2 (en) | 2002-12-13 | 2014-03-04 | Telecommunication Systems, Inc. | Area event handling when current network does not cover target area |
BRPI0317181B1 (en) * | 2002-12-13 | 2016-10-18 | Qualcomm Inc | calibration and correction system for satellite position tracking systems |
US6816111B2 (en) * | 2002-12-13 | 2004-11-09 | Qualcomm Incorporated | Calibration and correction system for satellite position location systems |
US6768452B2 (en) * | 2002-12-19 | 2004-07-27 | Texas Instrucments Incorporated | System and method for providing time to a satellite positioning system (SPS) receiver from a networked time server |
US20040121747A1 (en) * | 2002-12-24 | 2004-06-24 | Sy-Kang Shen | Kit of a local oscillator of an airborne VHF multimode communication transceiver |
US7130646B2 (en) | 2003-02-14 | 2006-10-31 | Atheros Communications, Inc. | Positioning with wireless local area networks and WLAN-aided global positioning systems |
US7170447B2 (en) * | 2003-02-14 | 2007-01-30 | Qualcomm Incorporated | Method and apparatus for processing navigation data in position determination |
CN1301411C (en) * | 2003-04-25 | 2007-02-21 | 清华大学 | Global positioning monitoring device for mobile object |
US7076365B2 (en) * | 2003-05-12 | 2006-07-11 | Circumnav Networks, Inc. | Enhanced dead reckoning method |
US6862500B2 (en) * | 2003-05-12 | 2005-03-01 | Circumnav Networks, Inc. | Methods for communicating between elements in a hierarchical floating car data network |
US7188026B2 (en) | 2003-05-12 | 2007-03-06 | Dash Navigation, Inc. | Hierarchical floating car data network |
US6925378B2 (en) | 2003-05-12 | 2005-08-02 | Circumnav Networks, Inc. | Enhanced mobile communication device with extended radio, and applications |
US20040263386A1 (en) * | 2003-06-26 | 2004-12-30 | King Thomas M. | Satellite positioning system receivers and methods |
US8971913B2 (en) * | 2003-06-27 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for wireless network hybrid positioning |
US8483717B2 (en) | 2003-06-27 | 2013-07-09 | Qualcomm Incorporated | Local area network assisted positioning |
CA2530892C (en) | 2003-06-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for wireless network hybrid positioning |
US7123928B2 (en) | 2003-07-21 | 2006-10-17 | Qualcomm Incorporated | Method and apparatus for creating and using a base station almanac for position determination |
US7224950B2 (en) * | 2003-08-27 | 2007-05-29 | Seiko Epson Corporation | Estimating GPS reference frequency drift from PDC-handset VCO-bursts |
US7463979B2 (en) * | 2003-08-28 | 2008-12-09 | Motorola, Inc. | Method and apparatus for initializing an approximate position in a GPS receiver |
US7822105B2 (en) | 2003-09-02 | 2010-10-26 | Sirf Technology, Inc. | Cross-correlation removal of carrier wave jamming signals |
WO2005047923A2 (en) | 2003-09-02 | 2005-05-26 | Sirf Technology, Inc. | Signal processing system for satellite positioning signals |
US20050052317A1 (en) * | 2003-09-04 | 2005-03-10 | Eride, Inc. | Combination navigation satellite receivers and communications devices |
US7424293B2 (en) | 2003-12-02 | 2008-09-09 | Telecommunication Systems, Inc. | User plane location based service using message tunneling to support roaming |
FR2863714B1 (en) * | 2003-12-16 | 2006-04-21 | Cit Alcatel | POSITION DETERMINING DEVICE BY FILTERING INTEGRITY DATA OF AN INCREASE SYSTEM FOR A MOBILE TERMINAL |
US7260186B2 (en) * | 2004-03-23 | 2007-08-21 | Telecommunication Systems, Inc. | Solutions for voice over internet protocol (VoIP) 911 location services |
US20080126535A1 (en) | 2006-11-28 | 2008-05-29 | Yinjun Zhu | User plane location services over session initiation protocol (SIP) |
US20080090546A1 (en) | 2006-10-17 | 2008-04-17 | Richard Dickinson | Enhanced E911 network access for a call center using session initiation protocol (SIP) messaging |
US7365680B2 (en) * | 2004-02-10 | 2008-04-29 | Sirf Technology, Inc. | Location services system that reduces auto-correlation or cross-correlation in weak signals |
US7941164B2 (en) * | 2004-03-01 | 2011-05-10 | Texas Instruments Incorporated | Satellite positioning system receiver utilizing broadcast doppler information |
US20050202829A1 (en) * | 2004-03-01 | 2005-09-15 | Texas Instruments Incorporated | Satellite positioning system receiver utilizing time-aiding information from an independent source |
BRPI0418696A (en) * | 2004-04-02 | 2007-06-12 | Qualcomm Inc | methods and equipment for signaling assisted position determination systems |
US7319878B2 (en) | 2004-06-18 | 2008-01-15 | Qualcomm Incorporated | Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network |
KR100617786B1 (en) * | 2004-07-13 | 2006-08-28 | 삼성전자주식회사 | High sensitivity gps receiver for compensating doppler error and therefor method |
JP2006038734A (en) * | 2004-07-29 | 2006-02-09 | Seiko Epson Corp | Positioning system, terminal device, control method for terminal device, control program for terminal device, and computer-readable recording medium for recording control program on terminal device |
US7411546B2 (en) | 2004-10-15 | 2008-08-12 | Telecommunication Systems, Inc. | Other cell sites used as reference point to cull satellite ephemeris information for quick, accurate assisted locating satellite location determination |
US6985105B1 (en) * | 2004-10-15 | 2006-01-10 | Telecommunication Systems, Inc. | Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations |
US7629926B2 (en) * | 2004-10-15 | 2009-12-08 | Telecommunication Systems, Inc. | Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas |
US7113128B1 (en) * | 2004-10-15 | 2006-09-26 | Telecommunication Systems, Inc. | Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas |
US8254512B2 (en) * | 2004-11-17 | 2012-08-28 | Qualcomm Incorporated | Method and apparatus for increasing coherent integration length while receiving a positioning signal |
JP4179287B2 (en) * | 2005-01-25 | 2008-11-12 | セイコーエプソン株式会社 | POSITIONING SYSTEM, TERMINAL DEVICE, TERMINAL DEVICE CONTROL METHOD, AND TERMINAL DEVICE CONTROL PROGRAM |
US7353034B2 (en) | 2005-04-04 | 2008-04-01 | X One, Inc. | Location sharing and tracking using mobile phones or other wireless devices |
US7961717B2 (en) * | 2005-05-12 | 2011-06-14 | Iposi, Inc. | System and methods for IP and VoIP device location determination |
US8045998B2 (en) * | 2005-06-08 | 2011-10-25 | Cisco Technology, Inc. | Method and system for communicating using position information |
US8660573B2 (en) | 2005-07-19 | 2014-02-25 | Telecommunications Systems, Inc. | Location service requests throttling |
US7277049B2 (en) * | 2005-07-29 | 2007-10-02 | Motorola, Inc. | Method for providing location aiding among peers operating in a direct communication mode |
US7636339B2 (en) | 2005-08-10 | 2009-12-22 | Cisco Technology, Inc. | Method and system for automatic configuration of virtual talk groups based on location of media sources |
US7706339B2 (en) | 2005-08-10 | 2010-04-27 | Cisco Technology, Inc. | Method and system for communicating media based on location of media source |
US7633914B2 (en) * | 2005-08-10 | 2009-12-15 | Cisco Technology, Inc. | Method and system for providing interoperable communications with location information |
US20070049288A1 (en) * | 2005-08-24 | 2007-03-01 | Lamprecht Leslie J | Creating optimum temporal location trigger for multiple requests |
US7257413B2 (en) * | 2005-08-24 | 2007-08-14 | Qualcomm Incorporated | Dynamic location almanac for wireless base stations |
US8099106B2 (en) * | 2005-08-24 | 2012-01-17 | Qualcomm Incorporated | Method and apparatus for classifying user morphology for efficient use of cell phone system resources |
US7869386B2 (en) * | 2005-08-29 | 2011-01-11 | Cisco Technology, Inc. | Method and system for conveying media source location information |
JP4215036B2 (en) * | 2005-09-06 | 2009-01-28 | セイコーエプソン株式会社 | Terminal device |
US9282451B2 (en) | 2005-09-26 | 2016-03-08 | Telecommunication Systems, Inc. | Automatic location identification (ALI) service requests steering, connection sharing and protocol translation |
US20070075848A1 (en) * | 2005-10-05 | 2007-04-05 | Pitt Lance D | Cellular augmented vehicle alarm |
US7825780B2 (en) * | 2005-10-05 | 2010-11-02 | Telecommunication Systems, Inc. | Cellular augmented vehicle alarm notification together with location services for position of an alarming vehicle |
US8467320B2 (en) | 2005-10-06 | 2013-06-18 | Telecommunication Systems, Inc. | Voice over internet protocol (VoIP) multi-user conferencing |
US7907551B2 (en) | 2005-10-06 | 2011-03-15 | Telecommunication Systems, Inc. | Voice over internet protocol (VoIP) location based 911 conferencing |
JP2009513069A (en) | 2005-10-20 | 2009-03-26 | クゥアルコム・インコーポレイテッド | Method and apparatus for automatically triggering positioning of an external device |
RU2390791C2 (en) * | 2005-11-07 | 2010-05-27 | Квэлкомм Инкорпорейтед | Positioning for wlan and other wireless networks |
US20070132639A1 (en) * | 2005-12-09 | 2007-06-14 | Korneluk Jose E | Method and apparatus for determining an approximate position of a satellite positioning receiver |
US7893869B2 (en) * | 2006-01-05 | 2011-02-22 | Qualcomm Incorporated | Global navigation satellite system |
CN101365957B (en) * | 2006-01-10 | 2013-06-19 | 高通股份有限公司 | Global navigation satellite system |
US20070189270A1 (en) * | 2006-02-15 | 2007-08-16 | Borislow Daniel M | Network adapter |
US8150363B2 (en) | 2006-02-16 | 2012-04-03 | Telecommunication Systems, Inc. | Enhanced E911 network access for call centers |
US8059789B2 (en) | 2006-02-24 | 2011-11-15 | Telecommunication Systems, Inc. | Automatic location identification (ALI) emergency services pseudo key (ESPK) |
US8085671B2 (en) * | 2006-02-27 | 2011-12-27 | Cisco Technology, Inc. | Method and system for providing interoperable communications with congestion management |
US8260338B2 (en) | 2006-02-28 | 2012-09-04 | Cisco Technology, Inc. | Method and system for providing interoperable communications with dynamic event area allocation |
US7471236B1 (en) * | 2006-03-01 | 2008-12-30 | Telecommunication Systems, Inc. | Cellular augmented radar/laser detector |
US9167553B2 (en) | 2006-03-01 | 2015-10-20 | Telecommunication Systems, Inc. | GeoNexus proximity detector network |
US7899450B2 (en) | 2006-03-01 | 2011-03-01 | Telecommunication Systems, Inc. | Cellular augmented radar/laser detection using local mobile network within cellular network |
WO2007106908A1 (en) * | 2006-03-15 | 2007-09-20 | Qualcomm Incorporated | Global navigation satellite system |
US9112746B2 (en) * | 2006-04-05 | 2015-08-18 | Cisco Technology, Inc. | Method and system for managing virtual talk groups |
US8208605B2 (en) | 2006-05-04 | 2012-06-26 | Telecommunication Systems, Inc. | Extended efficient usage of emergency services keys |
US7860070B2 (en) * | 2006-05-10 | 2010-12-28 | Cisco Technology, Inc. | Providing multiple virtual talk group communication sessions |
US7831270B2 (en) * | 2006-05-18 | 2010-11-09 | Cisco Technology, Inc. | Providing virtual talk group communication sessions in accordance with endpoint resources |
US20070280203A1 (en) * | 2006-06-02 | 2007-12-06 | Shmuel Shaffer | Method and System for Managing a Plurality of Virtual Talk Groups |
US7639634B2 (en) | 2006-06-02 | 2009-12-29 | Cisco Technology, Inc. | Method and System for Joining a virtual talk group |
EP2041596A2 (en) * | 2006-06-30 | 2009-04-01 | Sirf Technology, Inc. | Enhanced aiding in gps systems |
US8121238B2 (en) * | 2006-06-30 | 2012-02-21 | Csr Technology Inc. | System and method for synchronizing digital bits in a data stream |
US7710318B2 (en) * | 2006-08-24 | 2010-05-04 | Sirf Technology | Method of enhanced cold start and associated user interface for navigational receivers |
US8026847B2 (en) * | 2006-09-14 | 2011-09-27 | Qualcomm Incorporated | System and/or method for acquisition of GNSS signals |
US8570909B1 (en) | 2006-10-17 | 2013-10-29 | Cisco Technology, Inc. | Method and system for providing an indication of a communication |
US7966013B2 (en) | 2006-11-03 | 2011-06-21 | Telecommunication Systems, Inc. | Roaming gateway enabling location based services (LBS) roaming for user plane in CDMA networks without requiring use of a mobile positioning center (MPC) |
US9226257B2 (en) * | 2006-11-04 | 2015-12-29 | Qualcomm Incorporated | Positioning for WLANs and other wireless networks |
US7495609B1 (en) | 2006-11-07 | 2009-02-24 | Eride, Inc. | Mobile GPS aiding data solution |
US8189460B2 (en) * | 2006-12-28 | 2012-05-29 | Cisco Technology, Inc. | Method and system for providing congestion management within a virtual talk group |
US7466209B2 (en) * | 2007-01-05 | 2008-12-16 | Sirf Technology, Inc. | System and method for providing temperature correction in a crystal oscillator |
US20080167018A1 (en) * | 2007-01-10 | 2008-07-10 | Arlene Havlark | Wireless telecommunications location based services scheme selection |
US8050386B2 (en) | 2007-02-12 | 2011-11-01 | Telecommunication Systems, Inc. | Mobile automatic location identification (ALI) for first responders |
US7463188B1 (en) | 2007-04-03 | 2008-12-09 | Eride, Inc. | Wireless CPU GPS application |
US20080247531A1 (en) * | 2007-04-03 | 2008-10-09 | Borislow Daniel M | Techniques for Populating a Contact List |
US7724612B2 (en) * | 2007-04-20 | 2010-05-25 | Sirf Technology, Inc. | System and method for providing aiding information to a satellite positioning system receiver over short-range wireless connections |
US8874159B2 (en) * | 2007-05-10 | 2014-10-28 | Cisco Technology, Inc. | Method and system for handling dynamic incidents |
US8160617B2 (en) | 2007-06-22 | 2012-04-17 | Nokia Corporation | Apparatus and method for use in location determination |
US8249616B2 (en) * | 2007-08-23 | 2012-08-21 | Texas Instruments Incorporated | Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks |
US20090066565A1 (en) * | 2007-09-11 | 2009-03-12 | Mediatek Inc. | Gnss terminals automatically retrieving aiding data and aiding data systems |
EP2196014A4 (en) | 2007-09-17 | 2014-12-24 | Telecomm Systems Inc | Emergency 911 data messaging |
US7995683B2 (en) * | 2007-10-24 | 2011-08-09 | Sirf Technology Inc. | Noise floor independent delay-locked loop discriminator |
US7642957B2 (en) * | 2007-11-27 | 2010-01-05 | Sirf Technology, Inc. | GPS system utilizing multiple antennas |
US9130963B2 (en) | 2011-04-06 | 2015-09-08 | Telecommunication Systems, Inc. | Ancillary data support in session initiation protocol (SIP) messaging |
US7929530B2 (en) * | 2007-11-30 | 2011-04-19 | Telecommunication Systems, Inc. | Ancillary data support in session initiation protocol (SIP) messaging |
US8144053B2 (en) * | 2008-02-04 | 2012-03-27 | Csr Technology Inc. | System and method for verifying consistent measurements in performing GPS positioning |
US20090209224A1 (en) * | 2008-02-20 | 2009-08-20 | Borislow Daniel M | Computer-Related Devices and Techniques for Facilitating an Emergency Call Via a Cellular or Data Network |
US8699984B2 (en) | 2008-02-25 | 2014-04-15 | Csr Technology Inc. | Adaptive noise figure control in a radio receiver |
US20110205115A1 (en) * | 2008-02-25 | 2011-08-25 | Sirf Technology, Inc. | Always on GPS Device |
US7616064B2 (en) * | 2008-02-28 | 2009-11-10 | Noshir Dubash | Digital synthesizer for low power location receivers |
EP2101188B1 (en) | 2008-03-12 | 2010-04-28 | Research In Motion Limited | Multiple clock signal generation from a common oscillator |
US7903025B2 (en) * | 2008-03-12 | 2011-03-08 | Research In Motion Limited | Multiple clock signal generation from a common oscillator |
US8478305B2 (en) * | 2008-04-09 | 2013-07-02 | Csr Technology Inc. | System and method for integrating location information into an internet phone system |
US8897801B2 (en) | 2008-06-13 | 2014-11-25 | Qualcomm Incorporated | Transmission of location information by a transmitter as an aid to location services |
US20090312036A1 (en) | 2008-06-16 | 2009-12-17 | Skyhook Wireless, Inc. | Methods and systems for improving the accuracy of expected error estimation in location determinations using a hybrid cellular and wlan positioning system |
US20090310593A1 (en) * | 2008-06-17 | 2009-12-17 | Qualcomm Incorporated | Self-positioning access points |
US9200901B2 (en) * | 2008-06-19 | 2015-12-01 | Microsoft Technology Licensing, Llc | Predictive services for devices supporting dynamic direction information |
US8620306B2 (en) * | 2008-06-24 | 2013-12-31 | Qualcomm Incorporated | Location specific search for regional satellite vehicles |
US8073414B2 (en) | 2008-06-27 | 2011-12-06 | Sirf Technology Inc. | Auto-tuning system for an on-chip RF filter |
US8072376B2 (en) * | 2008-06-27 | 2011-12-06 | Sirf Technology Inc. | Method and apparatus for mitigating the effects of cross correlation in a GPS receiver |
US8068587B2 (en) | 2008-08-22 | 2011-11-29 | Telecommunication Systems, Inc. | Nationwide table routing of voice over internet protocol (VOIP) emergency calls |
US8525681B2 (en) | 2008-10-14 | 2013-09-03 | Telecommunication Systems, Inc. | Location based proximity alert |
US8892128B2 (en) * | 2008-10-14 | 2014-11-18 | Telecommunication Systems, Inc. | Location based geo-reminders |
US8478228B2 (en) * | 2008-10-20 | 2013-07-02 | Qualcomm Incorporated | Mobile receiver with location services capability |
US8126494B2 (en) * | 2008-12-19 | 2012-02-28 | Cisco Technology, Inc. | System and method for providing a trunked radio and gateway |
US20100161727A1 (en) * | 2008-12-19 | 2010-06-24 | Cisco Technology, Inc. | System and Method for Accelerating a Wide Area Notification |
US8041378B2 (en) * | 2008-12-19 | 2011-10-18 | Cisco Technology, Inc. | System and method for providing channel configurations in a communications environment |
US8433283B2 (en) * | 2009-01-27 | 2013-04-30 | Ymax Communications Corp. | Computer-related devices and techniques for facilitating an emergency call via a cellular or data network using remote communication device identifying information |
US8576768B2 (en) * | 2009-04-16 | 2013-11-05 | Qualcomm Incorporated | Hybrid multi-band receiver |
US9301191B2 (en) | 2013-09-20 | 2016-03-29 | Telecommunication Systems, Inc. | Quality of service to over the top applications used with VPN |
US8867485B2 (en) | 2009-05-05 | 2014-10-21 | Telecommunication Systems, Inc. | Multiple location retrieval function (LRF) network having location continuity |
US20110009086A1 (en) * | 2009-07-10 | 2011-01-13 | Todd Poremba | Text to 9-1-1 emergency communication |
US8600297B2 (en) * | 2009-07-28 | 2013-12-03 | Qualcomm Incorporated | Method and system for femto cell self-timing and self-locating |
US20110039578A1 (en) | 2009-08-14 | 2011-02-17 | Qualcomm Incorporated | Assistance data for positioning in multiple radio access technologies |
US20110068976A1 (en) * | 2009-09-21 | 2011-03-24 | Gm Global Technology Operations, Inc. | Method and apparatus for accelerating the process of determining a geographic position |
US8495142B2 (en) * | 2010-03-11 | 2013-07-23 | Cisco Technology, Inc. | System and method for providing data channel management in a network environment |
US20120006610A1 (en) | 2010-07-09 | 2012-01-12 | Erik Wallace | Telematics enhanced mobile device safety interlock |
WO2012005769A1 (en) | 2010-07-09 | 2012-01-12 | Telecommunication Systems, Inc. | Location privacy selector |
US8688087B2 (en) | 2010-12-17 | 2014-04-01 | Telecommunication Systems, Inc. | N-dimensional affinity confluencer |
US8942743B2 (en) | 2010-12-17 | 2015-01-27 | Telecommunication Systems, Inc. | iALERT enhanced alert manager |
US8682321B2 (en) | 2011-02-25 | 2014-03-25 | Telecommunication Systems, Inc. | Mobile internet protocol (IP) location |
US8649806B2 (en) | 2011-09-02 | 2014-02-11 | Telecommunication Systems, Inc. | Aggregate location dynometer (ALD) |
US9479344B2 (en) | 2011-09-16 | 2016-10-25 | Telecommunication Systems, Inc. | Anonymous voice conversation |
WO2013048551A1 (en) | 2011-09-30 | 2013-04-04 | Telecommunication Systems, Inc. | Unique global identifier for minimizing prank 911 calls |
US9264537B2 (en) | 2011-12-05 | 2016-02-16 | Telecommunication Systems, Inc. | Special emergency call treatment based on the caller |
US9313637B2 (en) | 2011-12-05 | 2016-04-12 | Telecommunication Systems, Inc. | Wireless emergency caller profile data delivery over a legacy interface |
US8984591B2 (en) | 2011-12-16 | 2015-03-17 | Telecommunications Systems, Inc. | Authentication via motion of wireless device movement |
US9384339B2 (en) | 2012-01-13 | 2016-07-05 | Telecommunication Systems, Inc. | Authenticating cloud computing enabling secure services |
US8688174B2 (en) | 2012-03-13 | 2014-04-01 | Telecommunication Systems, Inc. | Integrated, detachable ear bud device for a wireless phone |
US9544260B2 (en) | 2012-03-26 | 2017-01-10 | Telecommunication Systems, Inc. | Rapid assignment dynamic ownership queue |
US9307372B2 (en) | 2012-03-26 | 2016-04-05 | Telecommunication Systems, Inc. | No responders online |
US9338153B2 (en) | 2012-04-11 | 2016-05-10 | Telecommunication Systems, Inc. | Secure distribution of non-privileged authentication credentials |
US20140004887A1 (en) | 2012-06-29 | 2014-01-02 | Qualcomm Incorporated | Crystal oscillator calibration |
WO2014028712A1 (en) | 2012-08-15 | 2014-02-20 | Telecommunication Systems, Inc. | Device independent caller data access for emergency calls |
US9208346B2 (en) | 2012-09-05 | 2015-12-08 | Telecommunication Systems, Inc. | Persona-notitia intellection codifier |
US9456301B2 (en) | 2012-12-11 | 2016-09-27 | Telecommunication Systems, Inc. | Efficient prisoner tracking |
US9612341B2 (en) * | 2012-12-28 | 2017-04-04 | Trimble Inc. | GNSS receiver positioning system |
US9880286B2 (en) | 2012-12-28 | 2018-01-30 | Trimble Inc. | Locally measured movement smoothing of position fixes based on extracted pseudoranges |
US9743373B2 (en) | 2012-12-28 | 2017-08-22 | Trimble Inc. | Concurrent dual processing of pseudoranges with corrections |
US8983047B2 (en) | 2013-03-20 | 2015-03-17 | Telecommunication Systems, Inc. | Index of suspicion determination for communications request |
US9408034B2 (en) | 2013-09-09 | 2016-08-02 | Telecommunication Systems, Inc. | Extended area event for network based proximity discovery |
US9516104B2 (en) | 2013-09-11 | 2016-12-06 | Telecommunication Systems, Inc. | Intelligent load balancer enhanced routing |
US9479897B2 (en) | 2013-10-03 | 2016-10-25 | Telecommunication Systems, Inc. | SUPL-WiFi access point controller location based services for WiFi enabled mobile devices |
EP2963437A1 (en) * | 2014-06-30 | 2016-01-06 | Alcatel Lucent | Cell-assisted GNSS |
US9548744B2 (en) | 2014-08-18 | 2017-01-17 | Qualcomm Incorporated | Compensating for hysteretic characteristics of crystal oscillators |
CN105785410B (en) * | 2014-12-25 | 2019-05-24 | 中国移动通信集团公司 | It is a kind of that the method and system of location information is provided |
FR3037662B1 (en) * | 2015-06-19 | 2021-04-09 | H C F | Method and system of GPS integrated into a necklace, bracelet or other support object |
EP3589979B1 (en) * | 2017-03-03 | 2022-10-26 | Deutsche Telekom AG | Method, devices, system and computer program product for increasing the positioning accuracy of a mobile user equipment by using data of a global navigation satellite system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4445118A (en) * | 1981-05-22 | 1984-04-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Navigation system and method |
US5323322A (en) * | 1992-03-05 | 1994-06-21 | Trimble Navigation Limited | Networked differential GPS system |
US5365450A (en) * | 1992-12-17 | 1994-11-15 | Stanford Telecommunications, Inc. | Hybrid GPS/data line unit for rapid, precise, and robust position determination |
DE4424412A1 (en) * | 1994-07-12 | 1996-01-18 | Esg Elektroniksystem Und Logis | Radio telecommunication system with satellite navigation for both mobile telephony and VHF radio reception |
WO1996015636A1 (en) * | 1994-11-16 | 1996-05-23 | Highwaymaster Communications, Inc. | Locating system and method using a mobile communications network |
WO1997014049A2 (en) * | 1995-10-09 | 1997-04-17 | Snaptrack, Inc. | Gps receiver and method for processing gps signals |
GB2308033A (en) * | 1995-12-04 | 1997-06-11 | Symmetricom Inc | Position determination using differential GPS and cellular telephone |
Family Cites Families (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4457006A (en) | 1981-11-16 | 1984-06-26 | Sperry Corporation | Global positioning system receiver |
DE3278915D1 (en) | 1981-12-31 | 1988-09-22 | Secr Defence Brit | Receivers for navigation satellite systems |
US4797677A (en) | 1982-10-29 | 1989-01-10 | Istac, Incorporated | Method and apparatus for deriving pseudo range from earth-orbiting satellites |
US4701934A (en) | 1985-09-03 | 1987-10-20 | Motorola, Inc. | Method of doppler searching in a digital GPS receiver |
US4785463A (en) | 1985-09-03 | 1988-11-15 | Motorola, Inc. | Digital global positioning system receiver |
US4910752A (en) | 1987-06-15 | 1990-03-20 | Motorola, Inc. | Low power digital receiver |
US4959656A (en) | 1989-10-31 | 1990-09-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Efficient detection and signal parameter estimation with application to high dynamic GPS receiver |
US4998111A (en) | 1989-11-27 | 1991-03-05 | Motorola, Inc. | CPS transform correlation receiver and method |
WO1991009375A1 (en) | 1989-12-11 | 1991-06-27 | Caterpillar Inc. | Integrated vehicle positioning and navigation system, apparatus and method |
GB2241623A (en) | 1990-02-28 | 1991-09-04 | Philips Electronic Associated | Vehicle location system |
JPH03269385A (en) | 1990-03-20 | 1991-11-29 | Pioneer Electron Corp | Gps receiver |
AT394906B (en) | 1990-03-27 | 1992-07-27 | Avl Verbrennungskraft Messtech | METHOD FOR QUALITY CONTROL OF PACKED ORGANIC SUBSTANCES, AND A PACKING MATERIAL FOR CARRYING OUT THE METHOD |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5043736B1 (en) | 1990-07-27 | 1994-09-06 | Cae Link Corp | Cellular position location system |
DE69220705T2 (en) | 1991-04-12 | 1998-01-22 | Sharp Kk | Positioning system and GPS receiver |
US5225842A (en) | 1991-05-09 | 1993-07-06 | Navsys Corporation | Vehicle tracking system employing global positioning system (gps) satellites |
US5202829A (en) | 1991-06-10 | 1993-04-13 | Trimble Navigation Limited | Exploration system and method for high-accuracy and high-confidence level relative position and velocity determinations |
US5271034A (en) | 1991-08-26 | 1993-12-14 | Avion Systems, Inc. | System and method for receiving and decoding global positioning satellite signals |
US5365447A (en) | 1991-09-20 | 1994-11-15 | Dennis Arthur R | GPS and satelite navigation system |
US5153598A (en) | 1991-09-26 | 1992-10-06 | Alves Jr Daniel F | Global Positioning System telecommand link |
US5379224A (en) | 1991-11-29 | 1995-01-03 | Navsys Corporation | GPS tracking system |
US5280744A (en) | 1992-01-27 | 1994-01-25 | Alliedsignal Inc. | Method for aiming towed field artillery pieces |
US5448773A (en) | 1992-02-05 | 1995-09-05 | Trimble Navigation Limited | Long life portable global position system receiver |
JPH05232210A (en) | 1992-02-20 | 1993-09-07 | Kokusai Denshin Denwa Co Ltd <Kdd> | Positioning method and control method of moving body utilizing gas satellite |
US5245634A (en) | 1992-03-23 | 1993-09-14 | Motorola, Inc. | Base-site synchronization in a communication system |
US5223844B1 (en) | 1992-04-17 | 2000-01-25 | Auto Trac Inc | Vehicle tracking and security system |
US5430759A (en) | 1992-08-20 | 1995-07-04 | Nexus 1994 Limited | Low-power frequency-hopped spread spectrum reverse paging system |
IL104264A (en) | 1992-08-20 | 1996-07-23 | Nexus Telecomm Syst | Remote position detrmination system |
US5311194A (en) | 1992-09-15 | 1994-05-10 | Navsys Corporation | GPS precision approach and landing system for aircraft |
US5430654A (en) | 1992-12-01 | 1995-07-04 | Caterpillar Inc. | Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system |
CA2106534A1 (en) | 1992-12-07 | 1994-06-08 | Kristine Patricia Maine | Intelligent position tracking |
FR2699713B1 (en) | 1992-12-17 | 1995-03-24 | Hubert Thomas | Method and device for remote control of an unmanned underwater vehicle. |
US5523761A (en) | 1993-01-12 | 1996-06-04 | Trimble Navigation Limited | Differential GPS smart antenna device |
US5323163A (en) | 1993-01-26 | 1994-06-21 | Maki Stanley C | All DOP GPS optimization |
US5317323A (en) | 1993-03-05 | 1994-05-31 | E-Systems, Inc. | Passive high accuracy geolocation system and method |
US5379320A (en) | 1993-03-11 | 1995-01-03 | Southern California Edison Company | Hitless ultra small aperture terminal satellite communication network |
US5334987A (en) | 1993-04-01 | 1994-08-02 | Spectra-Physics Laserplane, Inc. | Agricultural aircraft control system using the global positioning system |
US5420592A (en) | 1993-04-05 | 1995-05-30 | Radix Technologies, Inc. | Separated GPS sensor and processing system for remote GPS sensing and centralized ground station processing for remote mobile position and velocity determinations |
US5420883A (en) | 1993-05-17 | 1995-05-30 | Hughes Aircraft Company | Train location and control using spread spectrum radio communications |
US5418538A (en) | 1993-05-21 | 1995-05-23 | Trimble Navigation Limited | Rapid satellite signal acquisition in a satellite positioning system |
WO1994028379A1 (en) | 1993-05-28 | 1994-12-08 | Trimble Navigation Limited | Combined pc/104 and satellite positioning system |
US5389934A (en) | 1993-06-21 | 1995-02-14 | The Business Edge Group, Inc. | Portable locating system |
US5515062A (en) | 1993-08-11 | 1996-05-07 | Motorola, Inc. | Location system and method with acquisition of accurate location parameters |
US5412388A (en) | 1993-08-11 | 1995-05-02 | Motorola, Inc. | Position ambiguity resolution |
US5554993A (en) | 1994-01-04 | 1996-09-10 | Panasonic Technologies, Inc. | Global position determining system and method |
US5483549A (en) | 1994-03-04 | 1996-01-09 | Stanford Telecommunications, Inc. | Receiver having for charge-coupled-device based receiver signal processing |
US5512902A (en) | 1994-04-18 | 1996-04-30 | Northrop Grumman Corporation | Stock locator system using GPS translator |
US5491486A (en) | 1994-04-25 | 1996-02-13 | General Electric Company | Mobile tracking units employing motion sensors for reducing power consumption therein |
US5519760A (en) | 1994-06-22 | 1996-05-21 | Gte Laboratories Incorporated | Cellular network-based location system |
US5592173A (en) | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
US5626630A (en) | 1994-10-13 | 1997-05-06 | Ael Industries, Inc. | Medical telemetry system using an implanted passive transponder |
US5650770A (en) | 1994-10-27 | 1997-07-22 | Schlager; Dan | Self-locating remote monitoring systems |
US5594453A (en) | 1994-11-01 | 1997-01-14 | Trimble Navigation, Ltd | GPS receiver having a rapid acquisition of GPS satellite signals |
US5621415A (en) * | 1994-11-15 | 1997-04-15 | Teledesic Corporation | Linear cell satellite system |
US5574469A (en) | 1994-12-21 | 1996-11-12 | Burlington Northern Railroad Company | Locomotive collision avoidance method and system |
US6208290B1 (en) | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
US5663734A (en) | 1995-10-09 | 1997-09-02 | Precision Tracking, Inc. | GPS receiver and method for processing GPS signals |
US6002363A (en) | 1996-03-08 | 1999-12-14 | Snaptrack, Inc. | Combined GPS positioning system and communications system utilizing shared circuitry |
US5841396A (en) | 1996-03-08 | 1998-11-24 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
CN1160578C (en) | 1996-04-25 | 2004-08-04 | SiRF技术公司 | Spread spectrum receiver with multi-bit correlator |
-
1997
- 1997-04-15 US US08/842,559 patent/US6208290B1/en not_active Expired - Lifetime
- 1997-11-20 EP EP09180896.4A patent/EP2169848B1/en not_active Expired - Lifetime
- 1997-11-20 DE DE69739724T patent/DE69739724D1/en not_active Expired - Lifetime
- 1997-11-20 JP JP52561898A patent/JP2001505309A/en active Pending
- 1997-11-20 EP EP10184383A patent/EP2275832A3/en not_active Withdrawn
- 1997-11-20 WO PCT/US1997/021260 patent/WO1998025157A2/en active Application Filing
- 1997-11-20 EP EP97952207A patent/EP0950194B1/en not_active Expired - Lifetime
- 1997-11-20 AU AU55876/98A patent/AU5587698A/en not_active Abandoned
- 1997-11-20 ES ES97952207T patent/ES2336979T3/en not_active Expired - Lifetime
-
2000
- 2000-04-19 HK HK00102354.6A patent/HK1024530A1/en not_active IP Right Cessation
-
2001
- 2001-01-18 US US09/766,184 patent/US6421002B2/en not_active Expired - Lifetime
-
2010
- 2010-09-17 HK HK10108880.4A patent/HK1142456A1/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4445118A (en) * | 1981-05-22 | 1984-04-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Navigation system and method |
US5323322A (en) * | 1992-03-05 | 1994-06-21 | Trimble Navigation Limited | Networked differential GPS system |
US5365450A (en) * | 1992-12-17 | 1994-11-15 | Stanford Telecommunications, Inc. | Hybrid GPS/data line unit for rapid, precise, and robust position determination |
DE4424412A1 (en) * | 1994-07-12 | 1996-01-18 | Esg Elektroniksystem Und Logis | Radio telecommunication system with satellite navigation for both mobile telephony and VHF radio reception |
WO1996015636A1 (en) * | 1994-11-16 | 1996-05-23 | Highwaymaster Communications, Inc. | Locating system and method using a mobile communications network |
WO1997014049A2 (en) * | 1995-10-09 | 1997-04-17 | Snaptrack, Inc. | Gps receiver and method for processing gps signals |
GB2308033A (en) * | 1995-12-04 | 1997-06-11 | Symmetricom Inc | Position determination using differential GPS and cellular telephone |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8994591B2 (en) | 1996-09-09 | 2015-03-31 | Tracbeam Llc | Locating a mobile station and applications therefor |
US9134398B2 (en) | 1996-09-09 | 2015-09-15 | Tracbeam Llc | Wireless location using network centric location estimators |
US9237543B2 (en) | 1996-09-09 | 2016-01-12 | Tracbeam, Llc | Wireless location using signal fingerprinting and other location estimators |
US8989236B2 (en) | 2003-10-22 | 2015-03-24 | Global Locate, Inc. | Method and apparatus for performing frequency synchronization |
US9538493B2 (en) | 2010-08-23 | 2017-01-03 | Finetrak, Llc | Locating a mobile station and applications therefor |
US8890746B2 (en) | 2010-11-03 | 2014-11-18 | Skyhook Wireless, Inc. | Method of and system for increasing the reliability and accuracy of location estimation in a hybrid positioning system |
Also Published As
Publication number | Publication date |
---|---|
DE69739724D1 (en) | 2010-02-11 |
EP2275832A2 (en) | 2011-01-19 |
JP2001505309A (en) | 2001-04-17 |
US6421002B2 (en) | 2002-07-16 |
WO1998025157A2 (en) | 1998-06-11 |
HK1142456A1 (en) | 2010-12-03 |
EP2275832A3 (en) | 2012-07-25 |
EP0950194A2 (en) | 1999-10-20 |
EP2169848A1 (en) | 2010-03-31 |
ES2336979T3 (en) | 2010-04-19 |
HK1024530A1 (en) | 2000-10-13 |
EP0950194B1 (en) | 2009-12-30 |
US6208290B1 (en) | 2001-03-27 |
EP2169848B1 (en) | 2014-07-23 |
AU5587698A (en) | 1998-06-29 |
US20010028321A1 (en) | 2001-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1998025157A3 (en) | An improved gps receiver utilizing a communication link | |
KR100327035B1 (en) | Telecommunications-assisted satellite positioning system | |
AU2008330599B2 (en) | Position information providing system, indoor transmitter, and method for providing position information | |
EP2020608B1 (en) | Method and apparatus for determining time for GPS receivers | |
US6813500B1 (en) | Cellular telephone using pseudolites for determining location | |
KR100323156B1 (en) | An auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite | |
CA2367032A1 (en) | Method and apparatus for satellite positioning system (sps) time measurement | |
RU2000126289A (en) | SYSTEM AND METHOD FOR DETERMINING THE POSITION OF A WIRELESS MULTIPLE ACCESS SYSTEM WITH CODE DIVISION OF CHANNELS | |
CA2667772A1 (en) | Gps receiver and method for processing gps signals | |
CA2640651A1 (en) | Method and apparatus for acquiring satellite positioning system signals | |
GB2265063A (en) | Gps receiver | |
CA2359662A1 (en) | Method and apparatus for measurement processing of satellite positioning system (sps) signals | |
ATE440295T1 (en) | SIMPLIFIED RECEIVER WITH ROTATOR FOR POSITION DETERMINATION | |
HUP0102510A2 (en) | System and method for determining the position of a wireless cdma transceiver | |
AU731834B2 (en) | Wireless communication device and system incorporating location-determining means | |
EP1291665A3 (en) | Cross correlation system for time recovery in network-assisted GPS positioning | |
US20050012661A1 (en) | Method and a system for positioning, and an electronic device | |
UA31662A (en) | Method and device for completely apparatus processing radio-signals of navigation satellites GPS and glonass | |
RU2004114561A (en) | METHOD FOR DETERMINING THE LOCATION OF A REMOTE DEVICE | |
WO2003008991A3 (en) | Method and system for processing positioning signals | |
RU93004788A (en) | PORTABLE RADIO TRANSMITTING RADIO, COMMUNICATION SYSTEM, METHOD FOR INDICATING ALARM STATE AND METHOD OF USING PORTABLE RADIO STATION IN THE SATELLITE COMMUNICATION SYSTEM |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AL AM AT AT AU AZ BA BB BG BR BY CA CH CN CU CZ CZ DE DE DK DK EE EE ES FI FI GB GE GH HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SK SL TJ TM TR TT UA UG UZ VN YU ZW AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 1998 525618 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997952207 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1997952207 Country of ref document: EP |