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Method and apparatus for calibrating base station locations and perceived time bias offsets in an assisted GPS transceiver 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/20
출원번호 US-0666498 (2000-09-18)
발명자 / 주소
  • Thomas M. King
  • George J. Geier
  • Gerald J. Gutowski
출원인 / 주소
  • Motorola, Inc.
대리인 / 주소
    Sylvia Y. Chen
인용정보 피인용 횟수 : 64  인용 특허 : 4

초록 ▼

A flowchart (400) includes the step (402) of collecting a predetermined number of TOA measurements arriving at the assisted satellite positioning mobile station from a base station, the step of (406) simultaneously collecting a corresponding number of GPS position measurements of a position of the G

대표청구항 ▼

1. A method for calibrating a base station location using a satellite positioning receiver in a mobile station, comprising the steps of:collecting a number of time-of-arrival (TOA) measurements arriving at the mobile station from a base station; simultaneously collecting a corresponding number of sa

이 특허에 인용된 특허 (4)

  1. Schipper John F., Geometric utilization of exact solutions of the pseudorange equations.
    상세보기
  2. Schuchman Leonard (Potomac MD) Bruno Ronald (Arlington VA) Rennard Robert (San Martin CA) Moses Charles (Catonsville MD), Hybrid GPS/data line unit for rapid, precise, and robust position determination.
    상세보기
  3. Camp William O., Location system combining ranging measurements from GPS and cellular networks.
    상세보기
  4. Taylor Ralph E. (Silver Spring MD) Sennott James W. (Bloomington IL), Navigation system and method.
    상세보기

이 특허를 인용한 특허 (64)

  1. Ong, Ivan; Urban, David; Lowery, Clifton, Access node locations in a network.
    상세보기
  2. Youssef, Adel Amin; Ji, Zhengrong; Chu, Michael Jesse; Jain, Ravi; Lee, Steven John, Accuracy analysis of wireless base station location.
    상세보기
  3. Kim,Wuk; Kim,Hak Ryoul; Kim,Jin Won; Lee,Jang Gyu, Apparatus and method for determining position information of a mobile station.
    상세보기
  4. Fok, Kenny; Yip, Eric Chi Chung, Apparatus and methods for associating a location fix having a quality of service with an event occuring on a wireless device.
    상세보기
  5. Duffett-Smith, Peter James; Hansen, Paul; Pratt, Anthony Richard, Associating a universal time with received signal.
    상세보기
  6. Smith, Alexander E.; Cohen, Bennett, Correlation of flight track data with other data sources.
    상세보기
  7. Smith, Alexander E., Deployable intelligence and tracking system for homeland security and search and rescue.
    상세보기
  8. Smith, Alexander E.; Hulstrom, Russell; Evers, Carl A., Deployable passive broadband aircraft tracking.
    상세보기
  9. Fischer, Sven; Amin, Muhammad Awais; Palanki, Ravi, Determination of positions of wireless transceivers to be added to a wireless communication network.
    상세보기
  10. Sheynblat, Leonid, Dynamic location almanac for wireless base stations.
    상세보기
  11. Smith, Alexander E., Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects.
    상세보기
  12. Breen, Thomas J.; Smith, Alexander E.; Rossano, Christopher F., Extension of aircraft tracking and positive identification from movement areas into non-movement areas.
    상세보기
  13. Duffett-Smith, Peter James; Rowe, Robert Willem; Jarvis, Murray Robert, Finding the position of a mobile terminal.
    상세보기
  14. Agrawal, Avneesh; Sampath, Ashwin; Palanki, Ravi; Bhushan, Naga; Bachu, Raja Sekhar; Khandekar, Aamod D., Hearability improvements for reference signals.
    상세보기
  15. Agrawal, Avneesh; Sampath, Ashwin; Palanki, Ravi; Bhushan, Naga; Bachu, Raja Sekhar; Khandekar, Aamod Dinkar, Hearability improvements for reference signals.
    상세보기
  16. Alizadeh-Shabdiz, Farshid, Increasing the accuracy of location estimates for wireless local area network (WLAN) and cellular enabled devices.
    상세보기
  17. Sheynblat, Leonid, Local area network assisted positioning.
    상세보기
  18. Sheynblat, Leonid; Moeglein, Mark Leo, Local area network assisted positioning.
    상세보기
  19. Sheynblat, Leonid; Moeglein, Mark Leo, Local area network assisted positioning.
    상세보기
  20. Sheynblat, Leonid; Moeglein, Mark Leo, Local area network assisted positioning.
    상세보기
  21. Arslan, Tughrul Sati; Sevak, Zankar Upendrakumar; Alsehly, Firas, Locating electromagnetic signal sources.
    상세보기
  22. Arslan, Tughrul Sati; Sevak, Zankar Upendrakumar; Alsehly, Firas, Locating electromagnetic signal sources.
    상세보기
  23. Moeglein, Mark; Riley, Wyatt, Method and apparatus for creating and using a base station almanac for position determination.
    상세보기
  24. Sheynblat, Leonid; Wrappe, Thomas K., Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network.
    상세보기
  25. Geier, George; Bussan, Christopher; Conroy, Todd; Hefner, Eric; Solar, John, Method and apparatus for generating time of arrival estimates for use in determining a location.
    상세보기
  26. Moeglein, Mark; Rowitch, Douglas; Riley, Wyatt; DeLoach, Jr., James Douglass; Sheynblat, Leonid, Method and apparatus for wireless network hybrid positioning.
    상세보기
  27. Ketchum, John W.; Nagaraj, Srinath; Bhatia, Ashok; Katzfey, Eric J.; Daita, Lalitaprasad V.; Baruah, Sekharjyoti, Method and system for femto cell self-timing and self-locating.
    상세보기
  28. Soliman,Samir S., Method of and system for calibrating a repeater.
    상세보기
  29. Soliman, Samir S., Method of and system for signal analysis in a wireless communications system.
    상세보기
  30. McCrady,Dennis D., Methods and apparatus for transmitting non-contiguous spread spectrum signals for communications and navigation.
    상세보기
  31. Wrappe, Thomas Keith, Methods and apparatuses for beacon assisted position determination systems.
    상세보기
  32. Gehlot,Narayan L.; Lawrence,Victor B., Methods and systems for controlling handoffs in a wireless communication system.
    상세보기
  33. Ji, Zhengrong; Chu, Michael Jesse; Youssef, Adel Amin; Mishra, Arunesh; Lee, Steven John; Jain, Ravi, Minimum coverage area of wireless base station determination.
    상세보기
  34. Rowitch, Douglas Neal, Mobile receiver with location services capability.
    상세보기
  35. Buchholz,Dale R.; Gerson,Ira A.; Adams,Lea T., Multi-function, multi-state input control device.
    상세보기
  36. Smith, Alexander E.; Breen, Thomas, Multilateration enhancements for noise and operations management.
    상세보기
  37. Huang, Ronald K.; Grainger, Morgan; Dere, Jason, Multiple granularity location determination.
    상세보기
  38. Bull, Jeffrey F., Network location and synchronization of peer sensor stations in a wireless geolocation network.
    상세보기
  39. Bull, Jeffrey F.; Anderson, Robert J.; Lefever, Ronald, Portable, iterative geolocation of RF emitters.
    상세보기
  40. Bull, Jeffrey F.; Anderson, Robert J.; Lefever, Ronald S., Portable, iterative geolocation of RF emitters.
    상세보기
  41. Riley, Wyatt Thomas; Marshall, Grant Alexander, Position computation in a positioning system using synchronization time bias.
    상세보기
  42. Riley,Wyatt T.; Marshall,Grant, Position computation in a positioning system using synchronization time bias.
    상세보기
  43. Sheynblat, Leonid, Position determination for a wireless terminal in a hybrid position determination system.
    상세보기
  44. Rick, Roland R.; Fernandez-Corbaton, Ivan; Stein, Jeremy M.; Amerga, Messay; Ristic, Borislav; Bhatia, Ashok, Position determination system that uses A cellular communication system.
    상세보기
  45. Chang, Donald C. D.; Yung, Kar W.; Cheng, David C.; Chang, Ming U.; Hagen, Frank A., Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS.
    상세보기
  46. Edge, Stephen W., Positioning for WLANS and other wireless networks.
    상세보기
  47. Edge, Stephen W.; Wachter, Andreas K., Positioning for WLANs and other wireless networks.
    상세보기
  48. Ruutu,Ville; Moilanen,Jani; Spirito,Maurizio; Teittinen,Veli Matti, Positioning in a telecommunications system.
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  49. Ikeda,Masayuki, Positioning system.
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  50. Ikeda,Masayuki, Positioning system.
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  51. Ikeda,Masayuki, Positioning system.
    상세보기
  52. Faragher, Ramsey Michael, Radio navigation.
    상세보기
  53. Faragher, Ramsey Michael, Radio positioning of a mobile receiver using a virtual positioning reference.
    상세보기
  54. Palanki, Ravi; Agashe, Parag Arun; Gupta, Vikram; Gupta, Rajarshi; Bhushan, Naga, Synchronizing a base station in a wireless communication system.
    상세보기
  55. McNew,Justin Paul; Blakely,Robert Charles; Liu,Jun; Dessouky,Khaled I., System and method for location determination.
    상세보기
  56. Ozaki, Ernest T.; Fok, Kenny; Seckendorf, Paul M.; Cassett, Tia Manning; Tierney, Patrick; Breit, Gregory Alan; Li, Jing, Systems, methods and apparatus for determining a radiated performance of a wireless device.
    상세보기
  57. Fischer, Sven; Amin, Muhammad Awais; Rowitch, Douglas Neal; Agrawal, Avneesh; Bachu, Raja S.; Sampath, Ashwin, Time of arrival (TOA) estimation for positioning in a wireless communication network.
    상세보기
  58. Faragher, Ramsey Michael, Tracking radio signal sources.
    상세보기
  59. Duffett-Smith, Peter James; Pratt, Anthony Richard; Bartlett, David William, Transfer of calibrated time information in a mobile terminal.
    상세보기
  60. Duffett-Smith, Peter James; Pratt, Anthony Richard; Bartlett, David William, Transfer of calibrated time information in a mobile terminal.
    상세보기
  61. Smith, Alexander E., Transmitter independent techniques to extend the performance of passive coherent location.
    상세보기
  62. Riley,Wyatt; Girerd,Richard; Biacs,Zoltan, Use of mobile stations for determination of base station location parameters in a wireless mobile communication system.
    상세보기
  63. Moeglein, Mark Leo; Rowitch, Douglas Neal; Riley, Wyatt Thomas; DeLoach, Jr., James Douglass; Sheynblat, Leonid, Wireless network hybrid positioning.
    상세보기
  64. Moeglein, Mark; Rowitch, Douglas; Riley, Wyatt; DeLoach, Jr., James Douglass; Sheynblat, Leonid, Wireless network hybrid positioning.
    상세보기

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