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Pilot strength measurement and multipath delay searcher for CDMA receiver 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-017/00
출원번호 US-0096960 (1998-06-12)
발명자 / 주소
  • Sourour Essam Abdelfattah
  • Bottomley Greg
  • Ramesh Rajaram
출원인 / 주소
  • Ericsson Inc.
대리인 / 주소
    Jenkens & Gilchrist, P.C.
인용정보 피인용 횟수 : 36  인용 특허 : 12

초록 ▼

A method and apparatus for evaluating signal strength of a channel received at a mobile station within a spread spectrum communication systems is disclosed. If the receiver at the mobile station receives a spread spectrum signal, a first sampling means converts the received signal into a first sampl

대표청구항 ▼

[ What is claimed is:] [1.] A method for evaluating a channel's signal strength at a mobile station comprising the steps of:receiving a signal;converting the received signal into a first sample stream according to a first sampling rate;converting the first sample stream into a second sample stream a

이 특허에 인용된 특허 (12)

  1. Terlep Daniel Joseph ; Elder Robert Charles, Apparatus and method for digitizing and detecting a received radio frequency signal.
    상세보기
  2. Hulbert Anthony Peter,GB3 ; Chandler David Peter,GB3, Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit.
    상세보기
  3. Becker Donald W. (Encinitas CA) Harris Fred (Lemon Grove CA) Tiernan James C. (Solana Beach CA), Digital receiver for variable symbol rate communications.
    상세보기
  4. Rudrapatna Ashok N. ; Agrawal Dharma P. ; Agrawal Prathima, Method for predicting the location of a mobile station in a mobile communications network.
    상세보기
  5. Willey William Daniel ; Wroble Michael Joseph ; Kay John Christopher, Method of measuring speed of a mobile unit and a receiver for use in a wireless communication system.
    상세보기
  6. Wilk Heinz,FRX, Method of selecting propagation delays retained for receiving messages transmitted by spread spectrum radio communicati.
    상세보기
  7. Herrmann Matthias (Hildesheim DEX), Radio receiver station-seeker stop-signal generator.
    상세보기
  8. Muto Hiroyasu (Tokyo JPX), Radio receiving device for measuring an electric field level of a receiving channel and adjacent channels using common c.
    상세보기
  9. Quick ; Jr. Roy F. (San Diego CA), Random access communications channel for data services.
    상세보기
  10. Qureshi Shahid U. H. (Natick MA) Ling Fuyun (Jamaica Plain MA), Sample rate converter.
    상세보기
  11. Nikides Robert Stergios, Signal measurement system and method for measuring the signal quality of a received radio frequency signal.
    상세보기
  12. Ryde Omar,SEX ; Lidfors Johnny,SEX, Supervisory audio tone detection using digital signal processing.
    상세보기

이 특허를 인용한 특허 (36)

  1. Tee, Lai King; van Rensburg, Cornelius; Cleveland, Joseph R., Apparatus and method for determining transmit signal parameters using real-time channel measurements.
    상세보기
  2. Wang, Yi-Pin Eric; Bottomley, Gregory E.; Ramesh, Rajaram, Benign interference suppression for received signal quality estimation.
    상세보기
  3. Klang Goran,SEX ; Konradsson Per,SEX, CDMA receiver that shares a tracking device among multiple rake branches.
    상세보기
  4. Churan,Gary G., Code synchronization in CDMA satellite wireless communications system using uplink channel detection.
    상세보기
  5. Roux,Pierre; Fauconnier,Denis, Communication method, radio network controller and base node for implementing this method.
    상세보기
  6. Ishikawa, Yoshihiro; Onoe, Seizo; Yunoki, Kazufumi; Higashi, Akihiro, Control method of searching neighboring cells, mobile station, and mobile communication system.
    상세보기
  7. Ishikawa,Yoshihiro; Onoe,Seizo; Yunoki,Kazufumi; Higashi,Akihiro, Control method of searching neighboring cells, mobile station, and mobile, communication system.
    상세보기
  8. Sourour, Essam; Bottomley, Gregory E.; Ramesh, Rajaram, Delay searcher and delay trackers interaction for new delays assignment to rake fingers.
    상세보기
  9. Sourour, Essam; Bottomley, Gregory E.; Ramesh, Rajaram, Delay searcher and delay trackers interaction for new delays assignment to rake fingers.
    상세보기
  10. Kihara, Takayoshi, Device for reproducing received data for radio data communication and a method of adjusting frequency therefor.
    상세보기
  11. Steenstra, Jack; Gantman, Alexander; Noerenberg, II, John W.; Jalali, Ahmad; Rose, Gregory, Digital authentication over acoustic channel.
    상세보기
  12. Beharrell,George Peter, Digital electronic support measures.
    상세보기
  13. Lindoff, Bengt; Almgren, Magnus; Asplund, Henrik; Furuskär, Anders; Wiberg, Niclas, Efficient cell selection.
    상세보기
  14. Shi,Qicai; Korfhage,Stephen R., Low-cost two-stage receiver system for DS-CDMA.
    상세보기
  15. Williams,Richard; Golanbari,Michael, Low-power packet detection using decimated correlation.
    상세보기
  16. Soltanian,Amir; Peric,Mirjana; Srivastava,Vikash, Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system.
    상세보기
  17. Zhang, Benyuan; Knutson, Paul Gothard, Method and apparatus for multiresolution / multipath searcher.
    상세보기
  18. Janardhanan,Kodiswaran Babu, Method and apparatus for optimizing search rate and finger assignment rate.
    상세보기
  19. Soliman, Samir S., Method and apparatus for reducing pilot search times utilizing mobile station location information.
    상세보기
  20. Soliman,Samir S., Method and apparatus for reducing pilot search times utilizing mobile station location information.
    상세보기
  21. Jones, Alan E.; Anderson, Nicholas W., Method and arrangement for noise variance and SIR estimation.
    상세보기
  22. Fiat, Lionel, Method for enhanced handover detection for mobile networks, a mobile terminal, an access point and program modules therefor.
    상세보기
  23. Kenji Nowara JP, Method for measuring CDMA signal.
    상세보기
  24. Krumm,John C.; Cermak,Gerald F.; Horvitz,Eric J.; Miller,Edward C.; Youssef,Adel Amin AbdelAzim, Methods for determining the approximate location of a device from ambient signals.
    상세보기
  25. Suwa,Shingo; Atarashi,Hiroyuki; Abeta,Sadayuki; Sawahashi,Mamoru, Multi-carrier transmission system and associated method of reducing the effect of multi-path interference.
    상세보기
  26. Espax, Francesc Boixadera, Multipath search method and apparatus.
    상세보기
  27. Charbit, Gilles; Parts, Ülo; Jansen, Kaj, Pilot sequence detection.
    상세보기
  28. Bottomley, Gregory Edward; Cozzo, Carmela, SIR estimation in a wireless receiver.
    상세보기
  29. Baker,Matthew P. J.; Moulsley,Timothy J., Secondary station and method of operating the station.
    상세보기
  30. Gantman, Alexander; Rose, Gregory G., System and method for managing sonic token verifiers.
    상세보기
  31. Kong, Seung Hyun, System for mobile station positioning.
    상세보기
  32. Reed, John D.; Bi, Hao, System, method, and apparatus for establishing headroom for a mobile station.
    상세보기
  33. Wan, Yongbing; Komaili, Jaleh, Traffic channel quality estimation from a digital control channel.
    상세보기
  34. Krumm,John C.; Cermak,Gerald F.; Horvitz,Eric J.; Miller,Edward C.; Youssef,Adel Amin AbdelAzim, Utilization of the approximate location of a device determined from ambient signals.
    상세보기
  35. Borowski,J��rg; Eckhardt,Uwe; Schmidt,Michael; Poegel,Frank; Mennenga,Menno, Wireless LAN receiver synchronization.
    상세보기
  36. Schmidl, Timothy M.; Nafie, Mohammed; Dabak, Anand G., Wireless communications with frequency band selection.
    상세보기

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