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Adaptive reacquisition time in a slotted paging environment 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-072/16
출원번호 US-0039985 (1998-03-16)
발명자 / 주소
  • Bayley Gwain
출원인 / 주소
  • QUALCOMM Incorporated
대리인 / 주소
    Wadsworth
인용정보 피인용 횟수 : 19  인용 특허 : 33

초록 ▼

A method and circuit for adaptively determining a pilot signal reacquisition time. A searcher subsystem measures a phase of the pilot signal. A control processor measures a magnitude of a shift in the pilot signal phase, compares the measured magnitude to a shift threshold, and decreases the reacqui

대표청구항 ▼

[ I claim:] [1.] A method for adaptively determining a pilot signal reacquisition time, the method comprising the steps of:measuring a magnitude of a shift in phase of said pilot signal;comparing said measured magnitude to a shift threshold; anddecreasing said reacquisition time if said measured mag

이 특허에 인용된 특허 (33)

  1. Jones Robert V. (Bountiful UT) Saggio Richard J. (Salt Lake City UT) Zscheile ; Jr. John W. (West-Farmington UT), Apparatus and method for signal identification.
    상세보기
  2. Kirimoto Tetsuo (Kanagawa JPX) Hotta Takashi (Kanagawa JPX) Ohashi Yoshimasa (Kanagawa JPX), Apparatus for generating orthogonal sequences.
    상세보기
  3. Albrieux Vincent (Paris FRX) Soufflet Didier (Montrouge FRX), Asynchronous digital correlator and demodulators including a correlator of this type.
    상세보기
  4. Sawahashi Mamoru (Yokosuka JPX) Andou Hidehiro (Yokohama JPX) Adachi Fumiyuki (Yokohama JPX), CDMA demodulator and demodulation method.
    상세보기
  5. Mano Hiroshi (Tokyo JPX) Tsurusaki Masayuki (Tokyo JPX), Communication method utilizing channel highway and digital communication apparatus for realizing the same.
    상세보기
  6. Sugita Takehiro,JPX, Communication terminal.
    상세보기
  7. Yamagata Masato (Kanagawa JPX) Tanaka Yoshikazu (Kanagawa JPX) Tsukada Keizo (Chiba JPX), Cordless telephone apparatus having a low power stand-by mode and a hold mode.
    상세보기
  8. Holland Bruce M. (Boulder CO) Bliss Gary L. (Westminster CO), Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor.
    상세보기
  9. West Barry G. (Chelmsford GBX) Sosin Boleslaw M. (Chelmsford GBX) Tolfree Roger K. (Witham GBX), Dynamic frame length communication system.
    상세보기
  10. Chien Cheng-Tung (Chungho TWX) Chen Chang-Wen (Taipei TWX) But Chiu-Hong (Taipei TWX), Enhanced power saving method for hand-held communications system and a hand-held communications system therefor.
    상세보기
  11. Kerr Leo A. (Woodstock MD), Frequency multiplexed convolver communication system.
    상세보기
  12. Lucas Leonard V. (Palm Bay FL) Zahm Charles L. (Indialantic FL) Payne Edward A. (Palm Bay FL) Andren Carl F. (Indialantic FL), Mechanism for extracting hybrid (fh/ds) spread spectrum signals within multi-signal type environment.
    상세보기
  13. Henry Raymond C. (Durham NC), Method and apparatus for a deep-sleep mode in a digital cellular communication system.
    상세보기
  14. Sutton Todd R. (San Diego CA), Method and apparatus for performing search acquisition in a CDMA communications system.
    상세보기
  15. Sato Hiroshi (Tokyo) Katsuhiko Kita (Tokyo) Takaaki Ishii (Kanagawa JPX), Method and apparatus for reducing power consumption in a radio telecommunication apparatus.
    상세보기
  16. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Method and system for providing a soft handoff in communications in a CDMA cellular telephone system.
    상세보기
  17. Eaton Eric Thomas (Lake Worth FL), Method for selecting between first, second and third battery saving periods in a selective call.
    상세보기
  18. Storm Brian D. ; Krause David J., Method of and apparatus for pilot channel acquisition.
    상세보기
  19. Russo David W. (Burnaby CAX) Dutkiewicz Marek (Delta CAX), Method of power conservation in a data communications system.
    상세보기
  20. Itoh Sadao (Kanagawa JPX), Mobile communication system.
    상세보기
  21. Gutleber Frank S. (Little Silver NJ), Orthogonal CDMA system utilizing direct sequence pseudo noise codes.
    상세보기
  22. Gutleber Frank S. (Little Silver NJ), Orthogonal spread spectrum time division multiple accessing mobile subscriber access system.
    상세보기
  23. Smith R. Steven (Saratoga CA) Hanlon Mike S. (San Jose CA) Bailey Robert L. (San Jose CA), Power management for a laptop computer with slow and sleep modes.
    상세보기
  24. Vook Frederick W. (Schaumburg IL) Demange Mark (Schaumburg IL) Chang Hungkun (Hoffman Estates IL) Doss William K. (Lake In The Hills IL), Power management technique for determining a device mode of operation.
    상세보기
  25. Holcman Alejandro R. (San Diego CA), Power reduction in a cellular radiotelephone.
    상세보기
  26. Frazier ; Jr. William R. (Indialantic FL), Programmable time invariant coherent spread symbol correlator.
    상세보기
  27. Gutleber Frank S. (Little Silver NJ), Pulse interference cancelling system for spread spectrum signals.
    상세보기
  28. Auchter Thomas J. (Barrington IL), Radiotelephone message processing for low power operation.
    상세보기
  29. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Weaver ; Jr. Lindsay A. (San Diego CA), Spread spectrum multiple access communication system using satellite or terrestrial repeaters.
    상세보기
  30. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol, System and method for generating signal waveforms in a CDMA cellular telephone system.
    상세보기
  31. Hutchison ; IV James A. ; Hughes Robbin D., System and method for rapidly reacquiring a pilot channel.
    상세보기
  32. Jansen Cornelis J. A. (Best NLX), System of orthogonal code generators, radios provided with a code generator and code generators of such a system.
    상세보기
  33. Baxter Denmer Dix (Orlando FL) Reeves Charles Michael (Dalton MA), Walsh function signal scrambler.
    상세보기

이 특허를 인용한 특허 (19)

  1. Ngai, Francis Ming-Meng; Tsai, Stanley; Batchu, Bhaskara V., Apparatus and method for dynamic pilot acquisition in a wireless communication system.
    상세보기
  2. Heinonen, Jari M.; Hirano, Michael R., Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators.
    상세보기
  3. Gude, Venkata Siva Prasad; Sahu, Debesh Kumar; Neela, Jagadishwar; Cherian, George, Devices and methods for facilitating reacquisition procedures.
    상세보기
  4. Hunzinger,Jason F., Enhanced bearer overhead monitoring for improved position location performance for wireless mobiles.
    상세보기
  5. Schaller,Lane B., Method and apparatus for controlling the timing of a communication device.
    상세보기
  6. Schaller,Lane B., Method and apparatus for controlling the timing of a communication device.
    상세보기
  7. Farag,Emad N.; Flanagan,Michael, Method and apparatus for dynamically adjusting acquisition search window.
    상세보기
  8. Tomasi Peter A. ; Zhao Tong ; St. Angel Lindo ; Schellinger Michael J. ; Nguyen Dien N. ; Bradley Wayne H., Method and apparatus for reducing current consumption.
    상세보기
  9. Lee,Ju Bong, Method and apparatus for reducing power consumption of slotted mode mobile communication terminal.
    상세보기
  10. Raafat Edward Kamel ; Martin Howard Meyers ; Charles Albert Sanders ; Carl Francis Weaver, Method and system for overhead message updates.
    상세보기
  11. Willey, W. Daniel, Method for determining whether to wake up a mobile station.
    상세보기
  12. Willey, W. Daniel, Method for determining whether to wake up a mobile station.
    상세보기
  13. Attar, Rashid Ahmed Akbar, Methods and devices for mitigating power consumption in slotted mode communication protocols.
    상세보기
  14. Joshi, Abhay Arvind, System and method for reacquisition of a gated pilot.
    상세보기
  15. McDonough,John G.; Liu,Juncheng C.; Hui,Yan; Chen,Chunhao, System and method for recovering system time in direct sequence spread spectrum communications.
    상세보기
  16. Joshi, Abhay Arvind, System and method for the reacquisition of a gated pilot.
    상세보기
  17. Rao, Anil S.; Rao, Subramanya P., Systems, methods, and apparatus for activity control in a wireless communications device.
    상세보기
  18. Roberts Clarence V. ; Henry ; Jr. Raymond C., Wireless telephone that rapidly reacquires a timing reference from a wireless network after a sleep mode.
    상세보기
  19. Wakamatsu, Masataka, Wireless terminal management method, base station and wireless terminal management program.
    상세보기

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