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Simplified mobile assisted handoff of signal between cells 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/20
출원번호 US-0599718 (1996-02-12)
발명자 / 주소
  • Tuutijarvi Mika Jari Pietari,FIX
  • Klemetti Raimo Tapio,FIX
  • Savolainen Jorma Antero,FIX
  • Makikallio Eero Sakari,FIX
출원인 / 주소
  • Nokia Mobile Phones LImited, FIX
대리인 / 주소
    Perman & Green, LLP
인용정보 피인용 횟수 : 74  인용 특허 : 18

초록

In the method of this invention, a mobile station is constructed to receive predetermined signals from neighboring base stations as an indication of received signal strength. These signals are compared to the current traffic signal strength indicator and a resultant signal is calculated proportional

대표청구항

[ We claim:] [7.] A method for handing off connections between channels of a cellular radio communications system comprising plurality of base stations each having at least one two way radio channel, at least one mobile station capable of being in two way radio communication with a current base stat

이 특허에 인용된 특허 (18)

  1. Karlsson Bror A. (Montreal CAX), Best server selection in layered cellular radio system.
  2. Kojima Susumu (Tokyo JPX) Nagashima Noriaki (Tokyo JPX) Hashimoto Tadao (Tokyo JPX), Digital cellular switching system with means for securing uninterrupted data transparency during handoffs.
  3. Menich Barry J. (Schaumburg IL) Bonta Jeffrey D. (Arlington Heights IL), Directional handover control in digital mobile radio systems employing MAHO.
  4. Barnett Charles A. (Sterling VA) Kay Stanley E. (Rockville MD) King Lou (Mt. Airy MD) Mehta Ashok D. (North Potomac MD), Dynamic thresholding for mobile assisted handoff in a digital cellular communication system.
  5. Chambert William R. G. (Uppsala SEX), Handoff method wherein stored measured information is transferred between base stations.
  6. Barnett Charles A. (Sterling VA) Durvasula Naresh (Gaithersburg MA), Method and apparatus for mobile assisted handoff.
  7. Brenig Theodore (Lynchburg VA), Method and apparatus for reducing handoff errors in a cellular radio telephone communications system.
  8. Haartsen Jacobus C. (Staffanstorp SEX), Method and system for channel allocation using power control and mobile-assisted handover measurements.
  9. Ward Torbjorn (Montreal CAX) Iizuka Norio (Stockholm SEX), Method and system for confirming the identity of a target cell for handoff.
  10. Israelsson Per V. (Tby SEX), Method for handoff in a mobile radio communication system.
  11. Bonta Jeffrey D. (Arlington Heights IL), Method of performing handoff in a cellular communication system.
  12. Onoda Masahiro (Sagamihara JPX) Toda Yoshifumi (Tokyo JPX), Mobile radio communication system.
  13. Blakeney ; II Robert D. (San Diego CA) Karmi Gadi (San Diego CA) Tiedemann ; Jr. Edward G. (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA), Mobile station assisted soft handoff in a CDMA cellular communications system.
  14. Meche Paul S. (Richardson TX) Hanley Donald V. (McKinney TX) Chrisman Larry D. (Plano TX) McCarthy Michael J. (Dallas TX), Mobile-assisted handoff technique.
  15. Keskitalo Ilkka (Halikko FIX), Procedure for the handover of a radio connection.
  16. Felix Kenneth A. (Crystal Lake) Werronen Alton P. (Palatine) Hart Thomas B. (Palatine) Hardman Scott A. (Island Lake) Hulsebosch Thomas G. (Palatine IL), Radio telephone system incorporating multiple time periods for communication transfer.
  17. Niva Ilkka (Oulu FIX) Tuutijarvi Mika (Oulu FIX), Received signal strength information measurement useful in a mobile telephone system having mobile assisted handoff capa.
  18. O\Connor James M. (North Richland Hills TX) Schorman Eric R. (Bedford TX) Reed John D. (Arlington TX) Rohani Kamyar (Fort Worth TX), Signal transmission synchronization in a communication system.

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