WO2008060694A3 - System and/or method for determining sufficiency of pseudorange measurements - Google Patents

System and/or method for determining sufficiency of pseudorange measurements Download PDF

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Publication number
WO2008060694A3
WO2008060694A3 PCT/US2007/069306 US2007069306W WO2008060694A3 WO 2008060694 A3 WO2008060694 A3 WO 2008060694A3 US 2007069306 W US2007069306 W US 2007069306W WO 2008060694 A3 WO2008060694 A3 WO 2008060694A3
Authority
WO
WIPO (PCT)
Prior art keywords
pseudorange measurements
measurements
sufficiency
determining
determining sufficiency
Prior art date
Application number
PCT/US2007/069306
Other languages
French (fr)
Other versions
WO2008060694A2 (en
Inventor
Rizwan Ahmed
Douglas N Rowitch
Original Assignee
Qualcomm Inc
Rizwan Ahmed
Douglas N Rowitch
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 Qualcomm Inc, Rizwan Ahmed, Douglas N Rowitch filed Critical Qualcomm Inc
Priority to EP07868285A priority Critical patent/EP2021819B1/en
Priority to JP2009512236A priority patent/JP5777852B2/en
Priority to CN200780017930.6A priority patent/CN101484824B/en
Publication of WO2008060694A2 publication Critical patent/WO2008060694A2/en
Publication of WO2008060694A3 publication Critical patent/WO2008060694A3/en

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
    • 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

Abstract

The subject matter disclosed herein relates to a system and method for determining a sufficiency of measurements for locating positions. In one example, although claimed subject matter is not so limited, a process to improve accuracy of pseudorange measurements may be terminated in response to a weighting of quantitative assessments of at least some of such pseudorange measurements.
PCT/US2007/069306 2006-05-19 2007-05-18 System and/or method for determining sufficiency of pseudorange measurements WO2008060694A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07868285A EP2021819B1 (en) 2006-05-19 2007-05-18 System and/or method for determining sufficiency of pseudorange measurements
JP2009512236A JP5777852B2 (en) 2006-05-19 2007-05-18 System and / or method for determining adequacy of pseudorange measurements
CN200780017930.6A CN101484824B (en) 2006-05-19 2007-05-18 System and/or method for determining sufficiency of pseudorange measurements

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80202006P 2006-05-19 2006-05-19
US60/802,020 2006-05-19
US11/510,334 US7656348B2 (en) 2006-05-19 2006-08-24 System and/or method for determining sufficiency of pseudorange measurements
US11/510,334 2006-08-24

Publications (2)

Publication Number Publication Date
WO2008060694A2 WO2008060694A2 (en) 2008-05-22
WO2008060694A3 true WO2008060694A3 (en) 2008-09-04

Family

ID=38711490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069306 WO2008060694A2 (en) 2006-05-19 2007-05-18 System and/or method for determining sufficiency of pseudorange measurements

Country Status (6)

Country Link
US (2) US7656348B2 (en)
EP (1) EP2021819B1 (en)
JP (2) JP5777852B2 (en)
KR (1) KR101070211B1 (en)
CN (1) CN101484824B (en)
WO (1) WO2008060694A2 (en)

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US8063820B2 (en) 2009-07-16 2011-11-22 Skyhook Wireless, Inc. Methods and systems for determining location using a hybrid satellite and WLAN positioning system by selecting the best SPS measurements
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WO2011008613A1 (en) * 2009-07-16 2011-01-20 Skyhook Wireless, Inc. Systems and methods for using a hybrid satellite and wlan positioning system
US8638256B2 (en) 2009-09-29 2014-01-28 Skyhook Wireless, Inc. Accuracy and performance of a hybrid positioning system
US8279114B2 (en) 2009-10-02 2012-10-02 Skyhook Wireless, Inc. Method of determining position in a hybrid positioning system using a dilution of precision metric
JP5614029B2 (en) 2009-11-24 2014-10-29 セイコーエプソン株式会社 Acquisition frequency determination method
JP5365593B2 (en) * 2010-09-13 2013-12-11 日本電気株式会社 A satellite navigation augmentation system using only highly reliable GPS positioning signals
JP5494394B2 (en) * 2010-09-28 2014-05-14 セイコーエプソン株式会社 Receiver
KR101972606B1 (en) 2010-11-03 2019-04-25 스카이후크 와이어리스, 인크. Method of system for increasing the reliability and accuracy of location estimation in a hybrid positioning system
JP6149212B2 (en) * 2011-09-14 2017-06-21 株式会社メガチップス Positioning device, observation device, positioning method and program
US20130197800A1 (en) * 2012-01-31 2013-08-01 Autotalks Ltd. Method and system for gps augmentation using cooperative altitude learning
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US9618351B1 (en) * 2015-03-26 2017-04-11 Amazon Technologies, Inc. Power saving during sensor-assisted navigation
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US6452545B2 (en) * 1999-06-16 2002-09-17 Mitsubishi Denki Kabushiki Kaisha GPS receiver, position-detecting system and positioning method
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US20040078140A1 (en) * 2002-10-22 2004-04-22 Rowitch Douglas N. Procedure for searching for position determination signals using a plurality of search modes

Also Published As

Publication number Publication date
CN101484824B (en) 2014-01-22
US7656348B2 (en) 2010-02-02
JP2009537849A (en) 2009-10-29
WO2008060694A2 (en) 2008-05-22
US20100328149A1 (en) 2010-12-30
JP5985690B2 (en) 2016-09-06
CN101484824A (en) 2009-07-15
US20070268177A1 (en) 2007-11-22
EP2021819B1 (en) 2013-02-13
JP2015165236A (en) 2015-09-17
EP2021819A2 (en) 2009-02-11
KR20090018146A (en) 2009-02-19
US7978131B2 (en) 2011-07-12
KR101070211B1 (en) 2011-10-06
JP5777852B2 (en) 2015-09-09

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