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Method for determining a change in a communication signal and using this information to improve SPS signal reception and processing

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/20
출원번호 US-0619775 (2000-07-20)
등록번호 US-7257417 (2007-08-14)
발명자 / 주소
  • Krasner,Norman F.
출원인 / 주소
  • Snaptrack, Inc.
인용정보 피인용 횟수 : 14  인용 특허 : 17

초록

Methods and apparatuses for determining a position of a mobile satellite positioning system (SPS) receiver which is coupled to a communication receiver or transceiver. In one exemplary method, a change in a communication signal received by the communication receiver is determined. A parameter, based

대표청구항

What is claimed is: 1. A method of determining a Doppler search window for acquiring a satellite positioning system signal by a mobile communication device, the method comprising: receiving a cellular communication signal; determining a change in the received cellular communication signal resulting

이 특허에 인용된 특허 (17)

  1. Schuchman Leonard ; Bruno Ronald ; Engelbrecht Lloyd ; Weinberg Aaron, Cellular positioning system (CPS).
  2. Pon Rayman, Enhanced suppression of multipath interference.
  3. Krasner Norman F., GPS receiver utilizing a communication link.
  4. Ando, Hitoshi, GPS satellite signal tracking method for GPS receivers.
  5. Sheynblat Leonid ; Krasner Norman F., Method and apparatus for measurement processing of satellite positioning system (SPS) signals.
  6. Krasner Norman F., Method and apparatus for satellite positioning system based time measurement.
  7. Vaara Tomi,FIX, Method and arrangement for making a handover decision in a mobile communication system.
  8. Hakalin, Petteri; Niemela , Kari, Method for determining speed of terminal, and receiver.
  9. Gilhousen Klein S., Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular.
  10. Matsuno Keishi (Tokyo JPX), Method of and apparatus for determining position of mobile object and mobile radio communication system using the same.
  11. Barnard Michael E. (Reigate GB2), Method of and apparatus for obtaining vehicle heading information.
  12. Kanai Toshihito (Tokyo JPX), Method of controlling handoff in cellular mobile radio communications system.
  13. Cisneros Joseph S. ; Kelley David C. ; Kiang Michael ; Greenbaum Louis A., Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute position.
  14. Abraham Charles (Cupertino CA) Janky James M. (Los Altos CA), Provision of SPS timing signals.
  15. Wysocki David A. (Unitech Research ; Inc. ; 3802 Packers Ave. Madison WI 53704) Hooper Paul S. (Unitech Research ; Inc. ; 3802 Packers Ave. Madison WI 53704), Real time three dimensional geo-referenced digital orthophotograph-based positioning, navigation, collision avoidance an.
  16. Mueller Bruce D. (Palatine IL) Baum Kevin L. (Hoffman Estates IL) Borth David E. (Palatine IL) Rasky Phillip D. (Buffalo Grove IL) Winter Eric H. (Oakpark IL), System and method for calculating channel gain and noise variance of a communication channel.
  17. Takenaka Tetsuyoshi (Asaka JPX) Tajima Yoshiharu (Kawasaki JPX) Kawabata Kazuo (Kawasaki JPX), Travel velocity detecting apparatus in mobile communication system.

이 특허를 인용한 특허 (14)

  1. Blau, Timor; Lever, Dubi; Shapira, Eli; Goldshtein, Moti; Porat, Ori, Adaptive fade mitigation.
  2. Blau, Timor; Lever, Dubi; Shapira, Eli; Goldshtein, Moti; Porat, Ori, Adaptive fade mitigation.
  3. Borislow, Daniel M.; Wood, Gregory Lynn, Computer-related devices and techniques for facilitating an emergency call via a cellular or data network using remote communication device identifying information.
  4. Khosravy, Moe; Novik, Lev, Correcting GPS through secondary sensors and signal strength.
  5. Krasner, Norman F., Method for determining A change in A communication signal and using this information to improve SPS signal reception and processing.
  6. Farmer, Dominic Gerard; Wu, Jie; Morrison, William James; Lin, Tong; Rao, Krishnaranjan S., Methods and systems for mobile device clock management.
  7. Krasner, Norman F., Position determination processes using signals' multipath parameters.
  8. Kumar, Anand, Satellite signal tracking method, position calculating method, and position calculating device.
  9. Hammes, Markus; Schmid, Andreas, Satellite-based position determination.
  10. Hammes, Markus; Schmid, Andreas, Satellite-based position determination.
  11. Seibert, Cristina A.; Rowitch, Douglas Neal; Subrahmanya, Parvathanathan; Sheynblat, Leonid, Sensor uses in communication systems.
  12. Lee, Jin Won; Teague, Edward Harrison, Using motion to improve local wireless network connectivity.
  13. Lee, Jinwon; Teague, Edward Harrison, Using motion to improve local wireless network connectivity.
  14. Rofougaran, Ahmadreza (Reza), Wireless communications device with global positioning based on received motion data and method for use therewith.
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