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Handover method based upon channel quality 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/00
  • H04Q-009/00
출원번호 US-0355890 (1994-12-14)
발명자 / 주소
  • Wang Robert Chuenlin (Mendham Township
  • Morris County NJ)
출원인 / 주소
  • Lucent Technologies Inc. (Murray Hill NJ 02)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

A method is disclosed for executing handovers in a cellular network, based upon channel quality measurements. For AMPS service, the method involves the monitoring of a supervisory audio tone (SAT) signal which is superimposed on the voice signal that is transmitted between base stations and mobile t

대표청구항

A method of allocating channels to mobile terminals traveling within a cellular network having a plurality of adjoining cells, each of said cells having therein a base station and a multiplicity of channels for call allocation, each base station having a signal processing unit for generating and mon

이 특허를 인용한 특허 (39)

  1. Seon, Yong-Moon, Call restriction method for base station in cellular radio communication system.
  2. Hanley Donald V., Cellular network having improved method for managing RF channels.
  3. Miyoshi,Kenichi; Kato,Osamu; Sumasu,Atsushi; Yoshii,Isamu; Hiramatsu,Katsuhiko, Communication terminal apparatus, base station apparatus and radio communication method.
  4. Miyoshi,Kenichi; Kato,Osamu; Sumasu,Atsushi; Yoshii,Isamu; Hiramatsu,Katsuhiko, Communication terminal apparatus, base station apparatus, and radio communication method.
  5. Lundby, Stein A.; Razoumov, Leonid; Bao, Gang; Wei, Yongbin, Method and apparatus for determining a data rate in a high rate packet data wireless communications system.
  6. Hong, Tae Chul; Kang, Kun Seok; Ahn, Do Seob; Lee, Ho Jin, Method and apparatus for handover in mobile communication network including satellite network.
  7. Lundby, Stein A.; Razoumov, Leonid; Bao, Gang, Method and apparatus for high rate packet data and low delay data transmissions.
  8. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  9. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  10. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  11. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  12. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  13. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  14. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  15. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  16. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  17. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  18. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  19. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  20. Padovani, Roberto; Bender, Paul E; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  21. Sim, Dae-yong; Lee, Ho-seok, Method and apparatus for measuring state of plurality of channels and for selecting idle channel.
  22. Holtzman, Jack; Chen, Tao, Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel.
  23. Snider, James; Chen, Chia-Ching, Method and apparatus to facilitate influencing handover decisions.
  24. Gardner, William R.; Tiedemann, Jr., Edward G., Method and apparatus using a multi-carrier forward link in a wireless communication system.
  25. Frodigh, Magnus; Almgren, Magnus; Olofsson, Hakan, Method and system in a mobile radio system.
  26. Yamamoto, Keiji; Shirakawa, Masakazu; Negishi, Kazuya, Mobile communication system, base station control apparatus, mobile terminal and method for controlling handover.
  27. Yoneyama, Masayuki; Harada, Shigeki, Mobile station and base station.
  28. Yoneyama, Masayuki; Harada, Shigeki, Mobile station and base station.
  29. Awater,Geert Arnout; Diepstraten,Wilhelmus; Kamerman,Adriaan, Network system comprising access points.
  30. Breit, Gregory Alan; Vermani, Sameer; Abraham, Santosh Paul; Sampath, Hemanth, Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems.
  31. Padovani, Roberto; Black, Peter J.; Sindhushayana, Nagabhushana T., Pilot reference transmission for a wireless communication system.
  32. Padovani, Roberto; Black, Peter John; Sindhushayana, Nagabhushana T., Pilot reference transmission for a wireless communication system.
  33. Raith, Alex Krister, Position assisted handoff within a wireless communications network.
  34. Shibasaki, Tomoki; Mizutani, Yasunao, Radio communication system and control method, and information processing apparatus used therein.
  35. Bristow,Robert Owen, Radio communications unit.
  36. Lahtinen Lauri,FIX, Reverse inter-MSC handover.
  37. Mohebbi,Behzad, Soft hand-off in cellular mobile communications networks.
  38. Johansson, Steffan, Using statistically ascertained position for starting synchronization searcher during diversity handover.
  39. Awater,Geert Arnout; Kamerman,Adriaan; Moelard,Hendrik, Wireless LAN with load balancing.
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