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Cellular communications with scheduled handoffs 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/185
  • H04Q-007/00
출원번호 US-0095505 (1993-07-26)
발명자 / 주소
  • Moritz Steven H. (Phoenix AZ) Gregg
  • Jr. Ralph C. (Tempe AZ) Wang Theresa C. Y. (Scottsdale AZ)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 55  인용 특허 : 0

초록 ▼

A cellular communications network includes satellites which project cells toward the earth. The satellites and cells move relative to the earth. When a call is being set up to a subscriber unit, data describing the subscriber unit\s location are sent to a switching office of the network. The switchi

대표청구항 ▼

A method of operating a subscriber unit in accordance with a cellular communication system wherein a satellite projects a plurality of cells which move over the earth, said method comprising the steps of: receiving, through a first one of said cells, a schedule that associates timing data with a cha

이 특허를 인용한 특허 (55)

  1. Schipper John F., Automatic cellular phone tracking.
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  3. Kozo Banno JP, Beam automatic selection switching method in multi-beam satellite communication system and apparatus for same.
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  4. Natarajan Kadathur S. ; Jan Yih G. ; Peterson Kenneth M., Centralized dynamic channel assignment controller and methods.
    상세보기
  5. Olds Keith Andrew ; Redden James Powers ; Davieau Gerald Joseph, Communication system and method for single channel hand-offs.
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  6. Dent, Paul Wilkinson, Dual-mode methods, systems, and terminals providing reduced mobile terminal registrations.
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  7. Castiel David ; Draim John ; Brosius Jay ; Schor Matthew, Elliptical orbit satellite, system, and deployment with controllable coverage characteristics.
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  8. Krutz Michael William ; Tayloe Daniel Richard ; Bakke Bradley B., Emergency handoff method of redirecting calls in a satellite communication system.
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  9. Hidaka,Hiroyuki, Hand-off control method and wireless communication apparatus using the method.
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  10. Dempo Hiroshi,JPX, Hand-over processing method in which amount of control information between terminal and satellite can be reduced and hand-over processing system of the same.
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  11. Ulupinar, Fatih; Purkayastha, Punyaslok, Handoff for non-geosynchronous satellite communication.
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  12. Purkayastha, Punyaslok; Ulupinar, Fatih; Barany, Peter; Marsh, Gene Wesley, Handoff for satellite communication.
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  13. Ulupinar, Fatih; Purkayastha, Punyaslok; Barany, Peter A; Marsh, Gene Wesley, Handoff for satellite communication.
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  14. Yokosuka,Yasushi; Inoue,Hideki; Yamada,Toru; Yamasaki,Takanori; Yamaashi,Kimiya, Information-transmission system which uses non-geosynchronous artificial satellites, including server-system and its clients, for performing communications or broadcast.
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  15. Tayloe Daniel R. (Phoenix AZ), Location determination method and apparatus for a communication unit.
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  16. Smith Ronald P., Method and apparatus for autonomous user terminal assignment of time and frequency slots for call handoff.
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  17. Upton Eric L. ; Ward ; Jr. Robert M., Method and apparatus for handover control in a satellite based telecommunications system.
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  18. Tayloe Daniel Richard, Method and apparatus for message delivery in a communication system having orbiting transmitters.
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  19. Voce Daniel A., Method and apparatus for predicting spot beam and satellite handover in a mobile satellite communication network.
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  20. Arrington ; Jr. Arthur Edward ; Hogberg Shawn Wesley ; Rebertus Dennis Wayne, Method and apparatus for providing deterministic hand-offs in a cellular communication system.
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  21. Worger William R. ; Long Craig ; Woodward Ernest E., Method and apparatus for region based hand-offs in a satellite communication system.
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  22. Bella Luigi,NLX, Method and system for transmitting radio signals between a fixed terrestrial station and user mobile terminals via a n.
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  23. Sale, Darryl; Chu, Thomas S., Method for performing rapid handoffs in a wireless communication system using virtual connections.
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  24. Paul W. Dent SE, Method of directing a call to a mobile telephone in a dual mode cellular-satellite communications network.
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  25. Cutler ; Jr. Victor Hawes (Mesa AZ) Davieau Gerald Joseph (Eldersburg MD) Olds Keith Andrew (Mesa AZ), Method of pre-computation of candidate handoff cell list for cellular communications.
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  26. Teng, Yong; Horneman, Kari Veikko; Chen, Bin; Wang, Jiang; Xu, Jing; Tonesi, Dario Serafino, Methods and apparatus for control messages in overlapping cells.
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  27. Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for forward error correction coding above a radio link control layer and related apparatus.
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  28. 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.
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  29. Tayloe Daniel Richard ; Cutler ; Jr. Victor Hawes ; Davieau Gerald Joseph, Methods of requesting volunteers for handoff in a cellular system.
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  30. Watanabe, Akira, Mobile communications system, mobile station, control method and recording medium.
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  32. Chavez, Salvador E.; Delia, David J.; Delia, Wayne M., Monitoring objects in motion along a static route using sensory detection devices.
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  33. Chavez, Salvador E.; Delia, David J.; Delia, Wayne M., Monitoring objects in motion along a static route using sensory detection devices.
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  34. Chavez, Salvador E.; Delia, David J.; Delia, Wayne M., Monitoring objects in motion along a static route using sensory detection devices.
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  35. Pyhtila, Christopher D.; Rollins, Thomas H.; Gumas, Charles; Seip, L. Perry, Monitoring of network call activity in a satellite-based communication system.
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  42. Coleman, Shaun; Garber, Darren D., Pseudo-geosynchronous configurations in satellite platforms.
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  43. Tayloe Daniel Richard ; Vanden Heuvel Dean Paul ; Lester Joseph Olk ; Blanchard Scott David ; Wild Johanna Alexandra, Radio telecommunication network with fraud-circumventing registration.
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  44. Schiff, Leonard N.; Miller, David S., Satellite communication system constituted with primary and back-up multi-beam satellites.
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  45. Yaoya, Naoko, Satellite communications system and handover processing method.
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  46. Torkington Richard S. ; Emmons ; Jr. Thomas P. ; Warble Keith, Satellite communications systems using satellites in a zero-drift constellation.
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  47. Hutchinson, Benjamin H., Satellite mobile telephone cell departure prediction.
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  52. Hudson Van Wakeman, Spacecraft cellular communication system.
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  53. Emmons ; Jr. Thomas Peter ; Hogberg Shawn ; Davieau Gerald Joseph ; Startup Jim ; Chen Susan, Subscriber unit for beam acquisition in a satellite communication system and method therefor.
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  54. Thomas Peter Emmons, Jr. ; Richard Scott Torkington ; James Edmund Klekotka, Technique for satellite constellation growth.
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  55. Horstein Michael (Los Angeles CA) Ho Hau H. (Huntington Beach CA), User paging for mobile satellite communications.
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