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[미국특허] Method for performing progressive soft handoff in CDMA systems 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/67
출원번호 US-0149148 (1998-09-08)
발명자 / 주소
  • Periyalwar Shalini,CAX
  • McGregor Andy,CAX
출원인 / 주소
  • Nortel Networks Corporation, CAX
대리인 / 주소
    Cobrin & Gittes
인용정보 피인용 횟수 : 48  인용 특허 : 2

초록 ▼

Methods and apparatus for progressive soft handoff of a mobile user from one basestation to another in multi-channel CDMA systems provide for progressively decreasing the data rate between the mobile user and a "home" basestation while simultaneously progressively increasing the data rate between th

대표청구항 ▼

[ Having described the invention, what is claimed as new and secured by Letters Patent is:] [1.] A progressive soft handoff method for use in a CDMA telecommunications system having a plurality of basestations and a mobile unit in 2-way soft handoff communication with two of the basestations over fi

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

  1. Yuen Elmer,HKX, Matched filter-based handoff method and apparatus.
    상세보기
  2. Chen Tao ; Lin Yu-Chuan,CAX, Method and apparatus for reverse link rate scheduling.
    상세보기

이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

  1. Rosmalen,Gerard Eduard, Active matrix display with variable duty cycle.
    상세보기
  2. Jung, In-Uk; Yuk, Young-Soo; Kim, Yong-Ho; Ryu, Ki-Seon, Apparatus and method for supporting handover in a multi-carrier communication system.
    상세보기
  3. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Associated device discovery in IMS networks.
    상세보기
  4. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Associated device discovery in IMS networks.
    상세보기
  5. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Associated device discovery in IMS networks.
    상세보기
  6. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Associated device discovery in IMS networks.
    상세보기
  7. Borkowski, Daniel; Packard, II, Robert D.; Fung, Hingsum F.; Habal, Hadi F.; Maseda, Manuel; Kai, Sheng-Roan; Chao, Kenneth, Cellular network-based location system.
    상세보기
  8. Hogberg, Shawn; Tayloe, Daniel R.; Redden, James Powers, Channel management technique for asymmetric data services.
    상세보기
  9. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Digital home networks having a control point located on a wide area network.
    상세보기
  10. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Digital home networks having a control point located on a wide area network.
    상세보기
  11. Smith, Timothy D.; Stewart, Nina L., Dynamic system and method of establishing communication with objects.
    상세보기
  12. Love,Robert T.; Ghosh,Amativa; Kuchibhotla,Ravi; Whinnett,Nicholas W., Enhanced uplink rate selection by a communication device during soft handoff.
    상세보기
  13. Kang,Hyun Jeong; Koo,Chang Hoi; Son,Jung Je; Lim,Hyoung Kyu; Son,Yeong Moon; Kim,So Hyun; Lee,Sung Jin, Handover system and method for minimizing service delay due to pingpong effect in a broadband wireless access communication system.
    상세보기
  14. Todd, Terence Douglas; Kezys, Vytas; Smadi, Mohammed N. A., Limited-use data rates in a wireless local area network.
    상세보기
  15. Todd, Terence Douglas; Kezys, Vytautas Robertas; Smadi, Mohammed Nawaf, Limited-use data rates in a wireless local area network.
    상세보기
  16. Chapman,Peter William; Bauer,Benedict Gerrard; Carsten,Ralph Thomas, Method and apparatus for directional transmission of high bandwidth traffic on a wireless network.
    상세보기
  17. Jou, Yu-Cheun; Wang, Jun; Rezaiifar, Ramin; Achour, Baaziz; Chen, Tao, Method and apparatus for generating pilot strength measurement messages.
    상세보기
  18. Esteves, Eduardo A. S.; Pankaj, Rajesh K.; Black, Peter J.; Grob, Matthew S.; Sindhushayana, Nagabhushana T., Method and apparatus for variable and fixed forward link rate control in a mobile radio communication system.
    상세보기
  19. Esteves Eduardo A. S. ; Pankaj Rajesh ; Black Peter J. ; Grob Matthew S. ; Sindhushayana Nagabhushana T., Method and apparatus for variable and fixed forward link rate control in a mobile radio communications system.
    상세보기
  20. Patel, Achal R., Method and system for dynamic soft handoff resource allocation in a wireless network.
    상세보기
  21. Patel,Achal R., Method and system for dynamic soft handoff resource allocation in a wireless network.
    상세보기
  22. Leung, Nikolai K. N., Method and system for hard handoff in a broadcast communication system.
    상세보기
  23. Ganesh,Rajamani, Method and system for mobile location detection using handoff information.
    상세보기
  24. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Method and system for provisioning IMS networks with virtual service organizations having distinct service logic.
    상세보기
  25. Apostolopoulos,John G.; Basu,Sujoy; Cheung,Gene; Kumar,Rajendra; Roy,Sumit; Tan,Wai tan; Wee,Susie J.; Wong,Tina; Shen,Bo, Method for handing off streaming media sessions between wireless base stations in a mobile streaming media system.
    상세보기
  26. Naqvi, Shamim A.; Dorbala, Prasad S.; Ganmukhi, Mahesh N.; Wong, Ellis L., Method of avoiding or minimizing cost of stateful connections between application servers and S-CSCF nodes in an IMS network with multiple domains.
    상세보기
  27. Naqvi, Shamim A.; Dorbala, Prasad S.; Wong, Ellis L.; Ganmukhi, Mahesh N., Method of avoiding or minimizing cost of stateful connections between application servers and S-CSCF nodes in an IMS network with multiple domains.
    상세보기
  28. Salonaho, Oscar; Ilsakkila, Kaisu; Korpela, Sari K.; Jansen, Kaj, Method of selecting a new cell.
    상세보기
  29. Huang, Wei; Guo, Ning, Method, mobile station, basestation and mobile communications system for performing handoff independently for groups of physical direct sequence-code division multiple access channels.
    상세보기
  30. Igarashi,Hironobu; Inoko,Katsutoshi; Kuroda,Yuji, Mobile communication system for performing hand-off based on communication resources in base stations.
    상세보기
  31. Igarashi, Hironobu; Inoko, Katsutoshi; Kuroda, Yuji, Mobile communication system in which communication resources are allocated based on traffic congestion.
    상세보기
  32. Park, Jae-Hong; Lee, Chong-Won; Lee, Yu-Ro; Lee, Ho-Geun, Mobile telecommunication system and method for performing handoff between asynchronous base station and synchronous base station.
    상세보기
  33. Pennock,James D.; Urry,Robin M.; Hanson,John D.; Geisler,Jeremy, Musical effect customization system.
    상세보기
  34. Mazawa, Shiro; Ishida, Kazuhito, Radio communication system and handoff method therefor.
    상세보기
  35. Moon, Billy G., Reducing data loss during cell handoffs.
    상세보기
  36. Naqvi, Shamim A.; Dorbala, Prasad S.; Ganmukhi, Mahesh N.; Wong, Ellis L., System and method for providing dynamic call models for users as function of the user environment in an IMS network.
    상세보기
  37. Naqvi, Shamim A.; Dorbala, Prasad S.; Ganmukhi, Mahesh N.; Wong, Ellis L., System and method to provide dynamic call models for users in a network.
    상세보기
  38. Pennock, James D.; Urry, Robin M.; Hanson, John D., System for customizing musical effects using digital signal processing techniques.
    상세보기
  39. Naqvi, Shamim A., Systems and method for enabling IP signaling in wireless networks.
    상세보기
  40. Wong, Ellis L.; Naqvi, Shamim A.; Day, Anju, Systems and methods for IMS user sessions with dynamic service selection.
    상세보기
  41. Naqvi, Shamim A., Systems and methods for enabling IP signaling in wireless networks.
    상세보기
  42. Naqvi, Shamim A., Systems and methods for presenting multimedia objects in conjunction with voice calls from a circuit-switched network.
    상세보기
  43. Chakravadhanula, Kiran; Goyal, Abhinav; Naqvi, Shamim A., Systems and methods for real-time cellular-to-internet video transfer.
    상세보기
  44. Chakravadhanula, Kiran; Goyal, Abhinav; Naqvi, Shamim A., Systems and methods for real-time cellular-to-internet video transfer.
    상세보기
  45. Naqvi, Shamim A.; Wong, Ellis L.; Day, Anju, Systems and methods for user sessions with dynamic service selection.
    상세보기
  46. Naqvi, Shamim A.; Wong, Ellis L.; Day, Anju, Systems and methods for user sessions with dynamic service selection.
    상세보기
  47. Naqvi, Shamim A., Systems and methods for using a recipient handset as a remote screen.
    상세보기
  48. Samar, Prince; Saluja, Harjot; Kim, Woojune; Knisely, Douglas Norman, Wireless network inter-technology handoffs.
    상세보기

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