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Method and system for performing a handoff in a wireless communication system, such as a hard handoff 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/00
  • H04B-007/00
출원번호 US-0248701 (1999-02-11)
발명자 / 주소
  • Odenwalder, Joseph P.
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Wadsworth, PhilipBaker, Kent D.
인용정보 피인용 횟수 : 44  인용 특허 : 7

초록

A method for minimizing search time and disruption of current service on an originating frequency during a frequency search excursion to a target frequency as part of an inter-frequency hard handoff between cells on different RF CDMA channels. In one embodiment, the method for minimizing search time

대표청구항

A method for minimizing search time and disruption of current service on an originating frequency during a frequency search excursion to a target frequency as part of an inter-frequency hard handoff between cells on different RF CDMA channels. In one embodiment, the method for minimizing search time

이 특허에 인용된 특허 (7)

  1. Storm Brian D. ; La Rosa Christopher P., Method and apparatus for acquiring a pilot signal in a CDMA receiver.
  2. Chen Tao, Method and apparatus for determining the rate of received data in a variable rate communication system.
  3. Kuo Wen-Yi ; Meyers Martin Howard ; Weaver Carl Francis, Method and apparatus for inter-frequency hand-off in wireless communication systems.
  4. Tiedemann ; Jr. Edward G. ; Chen Tao, Method and apparatus for performing mobile assisted hard handoff between communication systems.
  5. Black Peter J., Method and apparatus for performing mobile station assisted hard handoff using off line searching.
  6. Czaja Stash F. ; Jorri Sakari,FIX ; Niva Ilkka J.,FIX, Mobile assisted hard hand-off for a code division multiple access (CDMA) system.
  7. Li Kaiping ; Ong Chung-yen, Mobile station closed loop output power stability system for weak signal conditions.

이 특허를 인용한 특허 (44)

  1. Rajkotia,Purva R.; Kodali,Sanjay Kumar; Cleveland,Joseph R., Apparatus and method for performing an interfrequency handoff in a wireless network.
  2. Tsien,Chih C.; Liu,Jiewen, Data transmission rate control.
  3. Moon, Billy G., Decoding using redundant packet selection information in wireless communications systems.
  4. Moon,Billy G., Decoding using redundant packet selection information in wireless communications systems.
  5. Suk, Su-Hwan, Device and method for performing inter-MSC soft handoff using router in CDMA communication system.
  6. Walker, Douglas Jay; Turner, Bryan; Baker, Charles L., Distributed real-time data mixing for conferencing.
  7. Warren, Daniel A.; Rogers, Matthew; Hannon, Timothy Patrick; Ingrassia, Michael, Electronic device instructions provided using radio signals.
  8. Moon,Billy G., Error correction using redundant packet streams in wireless communications systems.
  9. Moon,Billy G.; Smith,Malcolm M., Generating graded packets for packet voting in wireless communications systems.
  10. Breuer, Volker, Handoff preparation method in radio communication system.
  11. Parekh, Nileshkumar J.; Ulupinar, Fatih; Prakash, Rajat, Inter-frequency handoff.
  12. Tiedemann, Jr., Edward G.; Glauser, Olivier, Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system.
  13. Tiedemann, Jr., Edward G.; Glauser, Olivier, Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system.
  14. Cudak, Mark; Ghosh, Amitava; Classon, Brian K.; Love, Robert T.; Jalloul, Louay; Nikides, Robert S., Method and apparatus for providing a distributed architecture digital wireless communication system.
  15. Gisby, Doug; Gray, Michael, Method and system for automatic seamless mobility.
  16. Gray, Michael; Gisby, Douglas Michael, Method and system for automatic seamless mobility.
  17. Gray, Michael; Gisby, Douglas Michael, Method and system for automatic seamless mobility.
  18. Yap, Shen-Yuan; Gray, Michael; James, Jr., Robert J.; Gisby, Doug, Method and system for device switching through a server.
  19. Odenwalder, Joseph P., Method and system for performing a handoff in a wireless communication system, such as a hard handoff.
  20. Odenwalder, Joseph P., Method and system for performing a handoff in a wireless communication system, such as a hard handoff.
  21. Odenwalder,Joseph P., Method and system for performing a handoff in a wireless communication system, such as a hard handoff.
  22. Grilli, Francesco; Willenegger, Serge; Tiedemann, Jr., Edward G., Method and system for performing handoff in wireless communication systems.
  23. Grilli,Francesco; Willenegger,Serge; Tiedemann, Jr.,Edward G., Method and system for performing handoff in wireless communication systems.
  24. Buckley, Adrian; Dunk, Craig; Kezys, Vytautas Robertas; Owen, Russell, Method and system for wireless channel selection by a mobile device.
  25. Wang, Daowei; Chen, Li; Huang, Yinghua; Huang, Min; Dai, Mingzeng; Yu, Gang; Xia, Bin; Tang, Zhenfei, Method, device, and system for regulating power consumption.
  26. Wang, Daowei; Chen, Li; Huang, Yinghua; Huang, Min; Dai, Mingzeng; Yu, Gang; Xia, Bin; Tang, Zhenfei, Method, device, and system for regulating power consumption.
  27. Moon,Billy G.; Smith,Malcolm M., Packet voting in wireless communications systems.
  28. Moon,Billy G.; Smith,Malcolm M., Packet voting in wireless mobile devices.
  29. Lin,Ping Chun, Power allocation of wireless transmission apparatus.
  30. Aikawa, Iori; Nakano, Katsuya, Power supply apparatus.
  31. Haartsen, Jacobus Cornelis; Lindoff, Bengt; Wallén, Anders, Power-aware link adaptation in a wideband CDMA system.
  32. Haartsen, Jacobus Cornelis; Lindoff, Bengt; Wallén, Anders, Power-aware link adaptation with variable bandwidth allocation.
  33. Aoki,Nobuhisa; Uchishima,Makoto; Iwamoto,Hiroaki, Radio terminal equipment.
  34. Moon, Billy G., Redundant packet selection and manipulation in wireless communications systems.
  35. Moon, Billy G., Redundant packet selection and manipulation in wireless communications systems.
  36. Moon, Billy G., Redundant packet selection based on packet content in wireless communications systems.
  37. Parekh, Nileshkumar J.; Ulupinar, Fatih; Prakash, Rajat, Resource allocation during tune-away.
  38. Shellhammer, Stephen J.; Van Nee, Richard, Spectrum sensing of bluetooth using a sequence of energy detection measurements.
  39. Riikonen, Jarmo, Transmission method of reception information on communication connection.
  40. Parekh, Nileshkumar J.; Ulupinar, Faith; Prakash, Rajat, Tune-away and cross paging systems and methods.
  41. Parekh, Nileshkumar J.; Ulupinar, Fatih; Prakash, Rajat, Tune-away and cross paging systems and methods.
  42. Parekh, Nileshkumar J.; Ulupinar, Fatih; Prakash, Rajat, Tune-away protocols for wireless systems.
  43. Parekh, Nileshkumar J.; Ulupinar, Fatih; Prakash, Rajat, Tune-away protocols for wireless systems.
  44. Parekh, Nileshkumar Jayendrabhai; Ulupinar, Fatih; Prakash, Rajat, Tune-away protocols for wireless systems.
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