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W-code enhanced cross correlation satellite positioning system receiver 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-005/02
출원번호 US-0382889 (1995-02-02)
발명자 / 주소
  • Lennen Gary (San Jose CA)
출원인 / 주소
  • Trimble Navigation Limited (Sunnyvale CA 02)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

The present invention relates to the new W code enhanced GPS receiver which allows to receive and demodulate the L1 and L2 satellite signals encrypted with the unknown Y code. No assumptions are made about the timing or the structure of the unknown Y code. The signal-to noise ration is not compromis

대표청구항

A system for optimum correlation processing of L1 and L2 signals received from a SPS satellite by a SPS RECEIVER, said system comprising: a RECEIVING MEANS for receiving a known C/A code modulated on L1 carrier frequency, for receiving an unknown Y code modulated on L1 carrier frequency signal, and

이 특허를 인용한 특허 (39)

  1. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Adaptive pattern recognition based controller apparatus and method and human-interface therefore.
  2. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Alarm system controller and a method for controlling an alarm system.
  3. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  4. Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
  5. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
  6. Norman,Charles P.; Rounds,Stephen F., Combined parallel and sequential detection for GPS signal acquisition.
  7. Lennen Gary R. (San Jose CA), Digital bandwidth compression for optimum tracking in satellite positioning system receiver.
  8. Johnson Russell K. (Half Moon Bay CA), Direct sequence spread spectrum receiver and antenna array for the simultaneous formation of a beam on a signal source a.
  9. Gary Lomp ; Fatih Ozluturk, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
  10. Lomp Gary ; Ozluturk Fatih, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
  11. Lomp, Gary R.; Ozluturk, Faith, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
  12. Lomp, Gary; Ozluturk, Fatih, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
  13. Ronald R. Hatch, Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error.
  14. Hatch, Ronald R., Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurements.
  15. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  16. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  17. Odenwalder, Joseph P., High rate CDMA wireless communication system using variable sized channel codes.
  18. Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
  19. Dubash, Noshir B.; Tso, Robert, L1/L2 GPS receiver.
  20. Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
  21. Lennen Gary R. (Cupertino CA), Method and apparatus for civilian receiver operation with P(Y) code in satellite positioning system receiver.
  22. Lennen, Gary, Method and apparatus for improved L2 performance in dual frequency semi-codeless GPS receivers.
  23. Lennen Gary R., Method and apparatus for receiving a pseudorandom code.
  24. Runze, Gerhard; Burdenski, Ralf; Kalveram, Hans, Method and arrangement for setting the transmission of a mobile communication device.
  25. Eden, Richard C., Method and device for precise geolocation of low-power, broadband, amplitude-modulated signals.
  26. Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
  27. Akopian, David; Valio, Harri, Preventing an incorrect synchronization between a received code-modulated signal and a replica code.
  28. Sakamoto, Shingo; Murakami, Kotaro, Quadrature modulation demodulation circuit.
  29. Arima, Daisuke; Katakura, Masayuki; Tanaka, Katsuyuki, Receiver.
  30. Gary R. Lennen, Receiver having a memory search for fast acquisition of a spread spectrum signal.
  31. Garin, Lionel J., SPS authentication.
  32. Enge, Per K.; Lawrence, David; O'Connor, Michael L.; Eglington, Michael L.; Gutt, Gregory M.; Whelan, David A., Server algorithms to improve space based authentication.
  33. Spilker ; Jr. James J., Signal structure for global positioning systems.
  34. Wall, Carroll Edward; Whitacre, John, System and method for retrieving information using position coordinates.
  35. Rofougaran, Ahmadreza; Behzad, Arya, System and method providing signal combining to support multimode communication.
  36. Casabona Mario M. ; Rosen Murray W., System for preventing global positioning satellite signal reception to unauthorized personnel.
  37. Hane, John, System, method and software application for secure communication.
  38. Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
  39. Lennen Gary R., Transmitting and receiving apparatus for full code correlation operation under encryption for satellite positioning syst.
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