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Methods and systems for determining location using a hybrid satellite and WLAN positioning system by selecting the best SPS measurements 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-019/33
출원번호 US-0504379 (2009-07-16)
등록번호 US8063820 (2011-11-07)
발명자 / 주소
  • Alizadeh-Shabdiz, Farshid
출원인 / 주소
  • Skyhook Wireless, Inc.
대리인 / 주소
    Wilmer Cutler Pickering Hale and Dorr LLP
인용정보 피인용 횟수 : 18  인용 특허 : 52

초록 ▼

The disclosed subject matter generally relates to hybrid positioning systems and methods, more specifically, systems and methods of integrating a wireless local area network (WLAN) based positioning system (WLAN-PS) and a satellite positioning system (SPS) to improve accuracy of location estimates b

대표청구항 ▼

What is claimed is: 1. A method of measuring the location of a device in a hybrid positioning system using satellite and WLAN positioning information, the method comprising:determining a WLAN based location estimate for a WLAN and satellite enabled device based on one or more WLAN access points;obta

이 특허에 인용된 특허 (52)

  1. Jeon,Ji Youn; Pyo,Jong Sun, AGPS system using NTP server and method for determining the location of a terminal using a NTP server.
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  2. Kubota Yosuke,JPX, Apparatus and method for guiding vehicle autonomously.
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  3. Dacosta, Behram Mario, Apparatus and method for location based wireless client authentication.
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  4. Alizadeh Shabdiz, Farshid; Pahlavan, Kaveh; Brachet, Nicolas, Calculation of quality of wlan access point characterization for use in a wlan positioning system.
    상세보기
  5. Eaton, Eric Thomas; Mock, Von Alan, Communication system for location sensitive information and method therefor.
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  6. Morgan,Edward J.; Shean,Michael G.; Alizadeh Shabdiz,Farshid; Jones,Russel K., Continuous data optimization by filtering and positioning systems.
    상세보기
  7. Morgan,Edward James; Shean,Michael George; Alizadeh Shabdiz,Farshid; Jones,Russel K., Continuous data optimization of new access points in positioning systems.
    상세보기
  8. Kremm Steven A. ; Skinner ; deceased Gordon S., Determination of frequency offsets in communication systems.
    상세보기
  9. Krasner Norman F. ; Moeglein Mark ; Coleman David, Distributed satellite position system processing and application network.
    상세보기
  10. Morgan,Edward James; Payne,Andrew C., Encoding and compression of a location beacon database.
    상세보기
  11. Alizadeh Shabdiz, Farshid; Pahlavan, Kaveh, Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system.
    상세보기
  12. Alizadeh-Shabdiz, Farshid; Pahlavan, Kaveh, Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system.
    상세보기
  13. Alizadeh-Shabdiz, Farshid; Morgan, Edward J.; Pahlavan, Kaveh, Estimation of speed and direction of travel in a WLAN positioning system.
    상세보기
  14. Alizadeh Shabdiz, Farshid; Pahlavan, Kaveh; Morgan, Edward J., Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations.
    상세보기
  15. Alizadeh-Shabdiz, Farshid; Pahlavan, Kaveh; Morgan, Edward J., Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points.
    상세보기
  16. Morgan,Edward James; Alizadeh Shabdiz,Farshid; Jones,Russel Kipp; Shean,Michael George, Location beacon database.
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  17. Muhonen,Ahti; Staack,Jens, Location determination in telecommunication network.
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  18. Chen, Byron H.; Da, Ren; Tekin, Ibrahim, Location determination using weighted ridge regression.
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  19. Alizadeh Shabdiz,Farshid; Jones,Russel Kipp; Morgan,Edward James; Shean,Michael George, Location-based services that choose location algorithms based on number of detected access points within range of user device.
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  20. Alizadeh-Shabdiz, Farshid; Jones, Russel K.; Morgan, Edward J.; Shean, Michael G., Location-based services that choose location algorithms based on number of detected access points within range of user device.
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  21. Alizadeh-Shabdiz, Farshid; Jones, Russel K.; Morgan, Edward J.; Shean, Michael G., Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device.
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  22. Moeglein,Mark; Riley,Wyatt, Method and apparatus for creating and using a base station almanac for position determination.
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  23. Ziedan, Nesreen I.; Garrison, James L., Method and apparatus for detecting and processing global positioning system (GPS) signals.
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  24. Alkinoos Vayanos, Method and apparatus for determining an error estimate in a hybrid position determination system.
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  25. Sheynblat, Leonid; Krasner, Norman F., Method and apparatus for measurement processing of satellite positioning system (SPS) signals.
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  26. Morgan,Edward James; Alizadeh Shabdiz,Farshid; Jones,Russel Kipp; Shean,Michael George, Method and system for building a location beacon database.
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  27. Hunt,Kenneth Edward; Schmidt,Mark Alvin; Holm,David Roy; Zeitzew,Michael Alan; Stephens,Scott Adam, Method and system for determining the location of a vehicle.
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  28. Khavakh, Asta; McDonough, William; Voloshin, Oleg; Wang, Yaoguang, Method and system for route calculation in a navigation application.
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  29. Hou, Jiongkuan, Method and system for using a wireless signal received via a repeater for location determination.
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  30. Rovira Mas, Francisco; Zhang, Qin; Reid, John Franklin, Method for processing stereo vision data using image density.
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  31. Syrjarinne, Jari; Valio, Harri; Kontola, Ilkka, Method, system and devices for positioning a receiver.
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  32. Brachet,Nicolas; Alizadeh Shabdiz,Farshid, Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations.
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  33. Mehta, Chand, Methods, systems and apparatus for integrated wireless device location determination.
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  34. Laird,Mark D.; Glier,Michael, Mobile emergency notification system.
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  35. Tsunehara, Katsuhiko; Kuwahara, Mikio, Mobile handset with position calculation function.
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  36. Wang, Shu-Shaw; Green, Marilynn P., Mobile location method for WLAN-type systems.
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  37. Loomis Peter Van Wyck ; Janky James M. ; Schipper John F., Portable hybrid location determination system.
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  38. Akopian, David; Valio, Harri; Syrj?rinne, Jari, Position estimation.
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  39. Endo, Isao, Positioning error range setting apparatus, method, and navigation apparatus.
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  40. Wang,Yi Hsiu, Positioning with wireless local area networks and WLAN-aided global positioning systems.
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  41. Sheynblat Leonid, Satellite positioning system augmentation with wireless communication signals.
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  42. Johnson Russell K. (Half Moon Bay CA), Separated GPS sensor and processing system for remote GPS sensing and centralized ground station processing for remote m.
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  43. Jones,Russel Kipp; Alizadeh Shabdiz,Farshid; Morgan,Edward James; Shean,Michael George, Server for updating location beacon database.
    상세보기
  44. Houri,Cyril, System and method for enabling continuous geographic location estimation for wireless computing devices.
    상세보기
  45. Alizadeh-Shabdiz, Farshid; Morgan, Edward J., System and method for estimating positioning error within a WLAN-based positioning system.
    상세보기
  46. Alizadeh-Shabdiz, Farshid; Morgan, Edward James, System and method for estimating positioning error within a WLAN-based positioning system.
    상세보기
  47. Rahman,Iftekhar, System and method for evaluating accuracy of an automatic location identification system.
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  48. Sullivan, Mark C.; Kilfeather, James B., System and method for fast acquisition reporting using communication satellite range measurement.
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  49. Azim, Syed Khalid, System and method for providing aiding information to a satellite positioning system receiver over short-range wireless connections.
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  50. Alizadeh-Shabdiz, Farshid, System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system.
    상세보기
  51. Alizadeh-Shabdiz, Farshid, System and method of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device.
    상세보기
  52. Krumm,John C.; Horvitz,Erc J., System and methods for determining the location dynamics of a portable computing device.
    상세보기

이 특허를 인용한 특허 (18)

  1. Gum, Arnold J.; Rowitch, Douglas Neal, Anti-spoofing detection system.
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  2. Gum, Arnold Jason; Rowitch, Douglas Neal, Anti-spoofing detection system.
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  3. Natucci, Dino; Inderhees, Mark; Dufalo, Robert, Cache-based location determination.
    상세보기
  4. Morgan, Edward James; Shean, Michael George; Alizadeh-Shabdiz, Farshid; Jones, Russel Kipp, Continuous data optimization of moved access points in positioning systems.
    상세보기
  5. Morgan, Edward James; Shean, Michael George; Alizadeh-Shabdiz, Farshid; Jones, Russel Kipp, Continuous data optimization of moved access points in positioning systems.
    상세보기
  6. Alizadeh-Shabdiz, Farshid; Pahlavan, Kaveh, Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system.
    상세보기
  7. Alizadeh-Shabdiz, Farshid; Heidari, Mohammad A., Method of and system for increasing the reliability and accuracy of location estimation in a hybrid positioning system.
    상세보기
  8. Broadstone, Andrew J.; Jones, Russel Kipp; Morgan, Edward James; Alizadeh-shabdiz, Farshid; Brachet, Nicolas, Method of and systems for privacy preserving mobile demographic measurement of individuals, groups and locations over time and space.
    상세보기
  9. Heinrich, Richard E., System and mehtod for providing space-based precision position correlations for promoting improved availability, accuracy and integrity.
    상세보기
  10. Heinrich, Richard E., System and method for providing space-based precision position correlations for promoting improved availability, accuracy and integrity.
    상세보기
  11. Alizadeh-Shabdiz, Farshid, System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning device.
    상세보기
  12. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  13. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  14. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  15. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  16. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  17. Alizadeh-Shabdiz, Farshid, Systems and methods for using a satellite positioning system to detect moved WLAN access points.
    상세보기
  18. Alizadeh-Shabdiz, Farshid, Techniques for selecting SPS measurements to use in determining a final location estimate based on a WLAN-based location estimate.
    상세보기

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