GB2281177A - Seamless handoff method - Google Patents

Seamless handoff method Download PDF

Info

Publication number
GB2281177A
GB2281177A GB9414209A GB9414209A GB2281177A GB 2281177 A GB2281177 A GB 2281177A GB 9414209 A GB9414209 A GB 9414209A GB 9414209 A GB9414209 A GB 9414209A GB 2281177 A GB2281177 A GB 2281177A
Authority
GB
United Kingdom
Prior art keywords
communication
station
time slots
mobile station
mobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9414209A
Other languages
English (en)
Other versions
GB9414209D0 (en
Inventor
Masayoshi Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of GB9414209D0 publication Critical patent/GB9414209D0/en
Publication of GB2281177A publication Critical patent/GB2281177A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/18Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9414209A 1993-07-14 1994-07-14 Seamless handoff method Withdrawn GB2281177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5173519A JP2590692B2 (ja) 1993-07-14 1993-07-14 移動通信における通話中チャネル切替方法およびシステム

Publications (2)

Publication Number Publication Date
GB9414209D0 GB9414209D0 (en) 1994-08-31
GB2281177A true GB2281177A (en) 1995-02-22

Family

ID=15962035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9414209A Withdrawn GB2281177A (en) 1993-07-14 1994-07-14 Seamless handoff method

Country Status (4)

Country Link
JP (1) JP2590692B2 (ja)
AU (1) AU6746694A (ja)
CA (1) CA2128137A1 (ja)
GB (1) GB2281177A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997015160A1 (en) * 1995-10-17 1997-04-24 Telefonaktiebolaget Lm Ericsson (Publ) A method for performing handover and roaming in a radio communication environment
WO2000021324A1 (en) * 1998-10-08 2000-04-13 Ericsson Inc. Method of controlling handoff of communications with a mobile station from a first radio transceiver to a second radio transceiver
WO2001026411A1 (en) * 1999-10-06 2001-04-12 Utstarcom, Inc. Method and apparatus for handover in tdma mobile communications system
GB2384654A (en) * 2001-11-28 2003-07-30 Nec Corp Channel switching method in a mobile communication system
FR2851402A1 (fr) * 2003-02-14 2004-08-20 Samsung Electronics Co Ltd Systeme et procede pour la reemission de donnees de liaison montante dans un systeme de communication a acces multiple par repartition par code
WO2010059516A3 (en) * 2008-11-18 2010-09-16 Qualcomm Incorporated Relay communications methods and apparatus
US8483042B2 (en) 2008-04-18 2013-07-09 Kyocera Corporation Mobile communication system, base station device and channel allocation method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08256369A (ja) * 1995-03-17 1996-10-01 Nec Corp 移動通信システムにおける通信切替方式
JP2713228B2 (ja) * 1995-05-16 1998-02-16 日本電気株式会社 移動無線通信方法
EP1538858A4 (en) * 2002-09-13 2007-10-31 Fujitsu Ltd MOBILE SYSTEM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0318033A2 (en) * 1987-11-27 1989-05-31 Nec Corporation Handoff method for cellular digital mobile communication system and mobile station
EP0509548A2 (en) * 1991-04-17 1992-10-21 Nec Corporation Digital cellular switching system with means for securing uninterrupted data transparency during handoffs
EP0577322A1 (en) * 1992-06-24 1994-01-05 Nokia Mobile Phones Ltd. Apparatus and method for call handover in a cellular radio system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082117B2 (ja) * 1986-12-22 1996-01-10 日本電信電話株式会社 チャネル切換方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0318033A2 (en) * 1987-11-27 1989-05-31 Nec Corporation Handoff method for cellular digital mobile communication system and mobile station
EP0509548A2 (en) * 1991-04-17 1992-10-21 Nec Corporation Digital cellular switching system with means for securing uninterrupted data transparency during handoffs
EP0577322A1 (en) * 1992-06-24 1994-01-05 Nokia Mobile Phones Ltd. Apparatus and method for call handover in a cellular radio system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997015160A1 (en) * 1995-10-17 1997-04-24 Telefonaktiebolaget Lm Ericsson (Publ) A method for performing handover and roaming in a radio communication environment
US6236860B1 (en) 1995-10-17 2001-05-22 Telefonaktiebolaget Lm Ericsson (Publ) Method for performing handover and roaming in a radio communication environment
WO2000021324A1 (en) * 1998-10-08 2000-04-13 Ericsson Inc. Method of controlling handoff of communications with a mobile station from a first radio transceiver to a second radio transceiver
WO2001026411A1 (en) * 1999-10-06 2001-04-12 Utstarcom, Inc. Method and apparatus for handover in tdma mobile communications system
US6859444B1 (en) 1999-10-06 2005-02-22 Utstarcom, Inc. Method and apparatus for handover in TDMA mobile communications system
GB2384654A (en) * 2001-11-28 2003-07-30 Nec Corp Channel switching method in a mobile communication system
GB2384654B (en) * 2001-11-28 2004-01-21 Nec Corp Channel switching method and mobile communication terminal using the same
US7272125B2 (en) 2001-11-28 2007-09-18 Nec Corporation Channel switching method and mobile communication terminal using the same
FR2851402A1 (fr) * 2003-02-14 2004-08-20 Samsung Electronics Co Ltd Systeme et procede pour la reemission de donnees de liaison montante dans un systeme de communication a acces multiple par repartition par code
US8483042B2 (en) 2008-04-18 2013-07-09 Kyocera Corporation Mobile communication system, base station device and channel allocation method
WO2010059516A3 (en) * 2008-11-18 2010-09-16 Qualcomm Incorporated Relay communications methods and apparatus
US8594008B2 (en) 2008-11-18 2013-11-26 Qualcomm Incorporated Relay communications methods and apparatus

Also Published As

Publication number Publication date
JPH0730949A (ja) 1995-01-31
JP2590692B2 (ja) 1997-03-12
GB9414209D0 (en) 1994-08-31
AU6746694A (en) 1995-01-27
CA2128137A1 (en) 1995-01-15

Similar Documents

Publication Publication Date Title
US6580918B1 (en) Cellular telecommunications system
CA2379415C (en) System and method for effecting information transmission and soft handoff between frequency division duplex and time division duplex communications systems
US5276686A (en) Mobile radio communication system having mobile base and portable devices as a mobile station
US7248874B2 (en) Mobile assisted handover using CDMA
US5748624A (en) Method of time-slot allocation in a TDMA communication system
FI100084B (fi) Radiopuhelinliikenteen solukkojärjestelmä, joka on varustettu suojauks ella puhelunmenetystä vastaan
CA2105266C (en) Call handoff in a wireless telephone system
US5995500A (en) Method and apparatus for direct communication between mobile stations
KR100331403B1 (ko) 코드 분할 다중 접속 통신 시스템에서 메시지를 이동 통신 유니트에 전달하기 위한 방법
US6256501B1 (en) Cellular mobile telecommunications system for controlling a hand-off by a mobile station
US20020082019A1 (en) Methods and apparatus for accomplishing inter-frequency, inter-network, and inter-tier soft handoff using dual transmission/reception or compression
US5901145A (en) Mobile station handoff between a spread spectrum communications system and a frequency division communications system
KR20010021124A (ko) 클러스터 구조형 이동통신시스템, 기지국, 클러스터총괄국, 회선제어국 및 이동국
JPH01117532A (ja) 共存設置セル無線電話方法及び装置
CA2041752A1 (en) Private cellular telephone system
WO1997007603A2 (en) Synchronizing a telecommunications connection in a mobile communications system
JPH07193851A (ja) 移動体通信システムにおける多重接続方式
KR19990062661A (ko) 이동 통신용 핸드오프 전환 장치
US6035199A (en) Method and apparatus for performing a handoff in a wireless communication system
GB2281177A (en) Seamless handoff method
US6304560B1 (en) Personal handy-phone system wireless local loops and methods of transmitting information within personal handy-phone systems
AU646318B2 (en) A radio system
JPS63157533A (ja) チャネル切換方法
JPH07264651A (ja) 移動通信システム
KR100357899B1 (ko) 무선 통신 교환기에서 기지국 컨트롤러에 기지국 동기화신호를 공급하는 방법

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)