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Mobile communication system with reliable handover scheme 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/00
출원번호 US-0578537 (1996-03-22)
우선권정보 JP-0210193 (1994-09-02)
국제출원번호 PCT/JP95/00967 (1995-05-19)
§371/§102 date 19960322 (19960322)
국제공개번호 WO-9532594 (1995-11-30)
발명자 / 주소
  • Umeda Narumi,JPX
  • Nakamura Takehiro,JPX
  • Ohno Kouji,JPX
  • Shinagawa Noriteru,JPX
출원인 / 주소
  • NTT Mobile Communications Network Inc., JPX
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 71  인용 특허 : 8

초록

A mobile communication scheme realizing highly reliable handover and improved service quality. The communication signals containing identical communication data are transmitted simultaneously from the mobile station to more than one base stations at a time of the handover, such that reception signal

대표청구항

[ What is claimed is:] [1.] A method of handover for a mobile communication in a mobile communication system formed by at least one mobile station, and a plurality of base stations, the method comprising the steps of:transmitting downward communication signals containing identical communication data

이 특허에 인용된 특허 (8)

  1. Han Kuixuan (Long Island City NY), Communications system.
  2. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatly ; III Charles E. (Del Mar CA), Diversity receiver in a CDMA cellular telephone system.
  3. Kondo Seiji (Tokyo JPX), Frame synchronization system among multiple radio base stations for TDMA digital mobile communications system.
  4. Goldman, Stuart O., Hand-off filter for cellular mobile radio.
  5. Atkinson Frederick G. (Winfeld IL) Labedz Gerald P. (Chicago IL) Rabe Duane C. (Rolling Meadows IL) Schuler Joseph J. (Roselle IL) Werronen Alton P. (Palatine IL), Method and apparatus for diversity reception of time-dispersed signals.
  6. Meidan Reuven (Ramat Hasharon) Livneh Noam (D.N. Misgav) Silbershatz Giora (Halfa) Ritz Mordechai (Givat-Elah ILX), Method and apparatus for improving detection of data bits in a slow frequency hopping communication system.
  7. Kawano Minori (Amagasaki JPX) Mitsui Kazuo (Amagasaki JPX) Hirooka Masaharu (Amagasaki JPX) Ozu Yasushi (Amagasaki JPX) Harada Nagayasu (Amagasaki JPX) Kimura Nobuhiro (Amagasaki JPX), Mobile radio telephone system.
  8. Bolliger Brian D. (Winfield IL) Bursh ; Jr. Talmage P. (South Orange NJ) Ho Kelvin K. (Somerset NJ) Mulberg Alan S. (Boulder CO) Roberts LaJeana N. (Bedminster NJ) Smolik Kenneth F. (Naperville IL) S, Mobile telephone system call processing arrangement.

이 특허를 인용한 특허 (71)

  1. Nikos Katinakis SE; Akbar Rahman CA; Donald Joong CA, Asynchronous transfer on the cellular radio link.
  2. Beasley Andrew,CAX ; Hulays Rafeh A.,CAX ; Schebel Dean D.,CAX, CDMA cordless telephone system and method of operation thereof.
  3. Miya, Kazuyuki, CDMA radio multiplex transmitting device and CDMA radio multiplex receiving device.
  4. Miya, Kazuyuki, CDMA radio multiplex transmitting device and a CDMA multiplex receiving device.
  5. Kazuyuki Miya JP, CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device.
  6. Miya Kazuyuki,JPX, CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device.
  7. Miya, Kazuyuki, CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device.
  8. Miya, Kazuyuki, CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device.
  9. Miya,Kazuyuki, CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device.
  10. Townend, Jonathan Richard; Lobley, Nigel Clive, Cellular mobile telephone network operation.
  11. Okumura, Yukihiko; Ando, Hidehiro; Usuda, Masafumi; Ishikawa, Yoshihiro; Onoe, Seizo, Channel estimation device and method, demodulation device and method, and fading frequency decision device and method.
  12. Terry,Stephen E., Channel switching for support of multimedia broadcast and multicast services.
  13. Sakamoto Kenichi,JPX ; Kusaki Tsutomu,JPX ; Murakami Masaru,JPX ; Yokoyama Takashi,JPX, Communication system.
  14. Sakamoto, Kenichi; Kusaki, Tsutomu; Murakami, Masaru; Yokoyama, Takashi, Communication system.
  15. Sakamoto,Kenichi; Kusaki,Tsutomu; Murakami,Masaru; Yokoyama,Takashi, Communication system.
  16. Moon, Billy G., Decoding using redundant packet selection information in wireless communications systems.
  17. Moon,Billy G., Decoding using redundant packet selection information in wireless communications systems.
  18. Walker, Douglas Jay; Turner, Bryan; Baker, Charles L., Distributed real-time data mixing for conferencing.
  19. Murakami, Masaru, Diversity handover processing apparatus and network control system using the same.
  20. Moon,Billy G., Error correction using redundant packet streams in wireless communications systems.
  21. Kamvysselis,Peter, Error recovery for SRDF assist.
  22. Moon,Billy G.; Smith,Malcolm M., Generating graded packets for packet voting in wireless communications systems.
  23. Ejzak, Richard Paul; Gafrick, John Matthew; Lassers, Harold Aaron; Martin, Ronald Bruce, Handover of wireless calls between systems supporting circuit and packet call models.
  24. Dei, Hiroaki, Image data communication system and image data communication method.
  25. Kumar, Sarath; Nanda, Sanjiv; Rubin, Harvey; Vitebskiy, Stanislav, Low back haul reactivation delay for high-speed packet data services in CDMA systems.
  26. Neufeld, Arthur James; Joshi, Abhay Arvind; Andrus, Don Nielsen; Gurski, Remi Jonathan; Ekvetchavit, Thunyachate, Method and apparatus for controlling operation of an access terminal in a communication system.
  27. Kawai,Hiroyuki; Suda,Hirohito; Yamao,Yasushi, Method and device for transmitting burst signal in mobile communication system, information distribution method, and information distribution controller.
  28. Terry, Stephen E., Method and wireless transmit/receive unit (WTRU) for receiving multimedia broadcast/multicast service.
  29. Terry, Stephen E., Method and wireless transmit/receive unit (WTRU) for receiving multimedia broadcast/multicast service.
  30. Terry, Stephen E., Method and wireless transmit/receive unit (WTRU) for receiving multimedia broadcast/multicast service.
  31. Hippelainen Leo,FIX, Method for packet switched data transmission.
  32. Ahnlund,Hans; Esser,Alexander; Wesby,Philip; Tossavainen,Teppo, Method for quality measurement in a mobile telecommunications system.
  33. Freeburg, Thomas A.; Grossman, Daniel B.; Odlyzko, Paul, Method of handoff between base stations in a wireless communications system.
  34. Bi, Qi; Cheng, Terry Si-Fong; Jiang, Frances; Vishnuvajjala, Ramakrishna; Yang, Tomas S., Method of providing messages to a mobile unit on a forward link.
  35. Jung, In Uk; Kim, Yong Ho; Ryu, Ki Seon, Method of reliable handover signaling procedure in a broadband wireless access system.
  36. Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for forward error correction coding above a radio link control layer and related apparatus.
  37. Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus.
  38. Kimura, Bun; Ikeda, Eiji, Mobile communication system and communication method thereof.
  39. Kimura, Bun; Ikeda, Eiji, Mobile communication system and communication method thereof.
  40. Sekine Kiyoki,JPX ; Kawabe Manabu,JPX ; Horiguchi Kenji,JPX, Mobile communication system for accomplishing handover with phase difference of frame sync signals corrected.
  41. Sekine, Kiyoki; Kawabe, Manabu; Horiguchi, Kenji, Mobile communication system for accomplishing handover with phase difference of frame sync signals corrected.
  42. Nanda, Sanjiv; Krishnan, Ranganathan, Multi-hop communications in a wireless network.
  43. Nanda, Sanjiv; Krishnan, Ranganathan, Multi-hop communications in a wireless network.
  44. Chen, Tao; Willenegger, Serge D.; Wei, Yongbin; Vayanos, Alkinoos H., Multi-media broadcast and multicast service (MBMS) in a wireless communication system.
  45. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  46. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  47. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  48. Kondo, Takayuki, Packet transferring method, mobile communication system and mobile station.
  49. Moon,Billy G.; Smith,Malcolm M., Packet voting in wireless communications systems.
  50. Moon,Billy G.; Smith,Malcolm M., Packet voting in wireless mobile devices.
  51. Kumar, Sarath; Nanda, Sanjiv; Rubin, Harvey; Vitebskiy, Stanislav, Primary transfer for simplex mode forward-link high-speed packet data services in CDMA systems.
  52. Terry,Stephen E., Receiving point-to-point and point-to-point multipoint multimedia broadcasts/multicast services.
  53. Bims, Harry, Reconfiguration of a communication system.
  54. Mohebbi, Behzad; Shearme, Michael John, Reducing interference in cellular mobile communications networks.
  55. Mohebbi, Behzad; Shearme, Michael John, Reducing interference in cellular mobile communications networks.
  56. Mohebbi, Behzad; Shearme, Michael John, Reducing interference in cellular mobile communications networks.
  57. Moon, Billy G., Redundant packet selection and manipulation in wireless communications systems.
  58. Moon, Billy G., Redundant packet selection and manipulation in wireless communications systems.
  59. Moon, Billy G., Redundant packet selection based on packet content in wireless communications systems.
  60. Salvarani, Alexandro; Weaver, Carl F., Reverse link other cell interference locator and handoff trigger for wireless network.
  61. La Porta,Thomas F.; Murakami,Kazutaka; Ramjee,Ramachandran; Thuel,Sandra R.; Varadhan,Kannan, Single phase local mobility scheme for wireless access to packet-based networks.
  62. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  63. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  64. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  65. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  66. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  67. Mohebbi, Behzad, Soft hand-off in cellular mobile communications networks.
  68. Krishnan, Ranganathan; Nanda, Sanjiv, Synchronous inter-piconet routing.
  69. Lee, Bo; Wang, Yvonne, System and method for a virtual soft handover in a high data rate network based on data transmission information.
  70. Terry, Stephen E., Wideband code division multiple access user equipment for receiving multimedia broadcast/multicast service.
  71. Berliner, Edward F.; Rubin, Harvey, Wireless communications using circuit-oriented and packet-oriented frame selection/distribution functions.
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