WO2010059460A3 - System and method for determining falsfied satellite measurements - Google Patents
System and method for determining falsfied satellite measurements Download PDFInfo
- Publication number
- WO2010059460A3 WO2010059460A3 PCT/US2009/063865 US2009063865W WO2010059460A3 WO 2010059460 A3 WO2010059460 A3 WO 2010059460A3 US 2009063865 W US2009063865 W US 2009063865W WO 2010059460 A3 WO2010059460 A3 WO 2010059460A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frequency information
- wireless device
- satellite measurements
- falsfied
- determining
- 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
- G01S19/01—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
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
- G01S19/215—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service issues related to spoofing
Abstract
A system and method for determining whether a wireless device has transmitted one or more forged satellite measurements. An estimated location of a wireless device may be determined as a function of signals from a cellular network. For each one of a first set of satellites from which the wireless device receives a signal, expected frequency information may be determined as a function of the estimated location, actual frequency information may be measured, and the expected frequency information compared with the measured frequency information. One or more satellite measurements received from the wireless device may then be identified as forged if a difference between the expected and measured frequency information is greater than a predetermined threshold.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/276,804 | 2008-11-24 | ||
US12/276,804 US7940213B2 (en) | 2008-11-24 | 2008-11-24 | System and method for determining falsified satellite measurements |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010059460A2 WO2010059460A2 (en) | 2010-05-27 |
WO2010059460A3 true WO2010059460A3 (en) | 2010-08-26 |
Family
ID=42195756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/063865 WO2010059460A2 (en) | 2008-11-24 | 2009-11-10 | System and method for determining falsfied satellite measurements |
Country Status (2)
Country | Link |
---|---|
US (1) | US7940213B2 (en) |
WO (1) | WO2010059460A2 (en) |
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-
2009
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Also Published As
Publication number | Publication date |
---|---|
WO2010059460A2 (en) | 2010-05-27 |
US20100127923A1 (en) | 2010-05-27 |
US7940213B2 (en) | 2011-05-10 |
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