DK0638215T3 - Fremgangsmåde og apparat til overføring af en mobilstation fra en første til en anden kanal i et mobilt kommunikationssyste - Google Patents

Fremgangsmåde og apparat til overføring af en mobilstation fra en første til en anden kanal i et mobilt kommunikationssyste

Info

Publication number
DK0638215T3
DK0638215T3 DK94909368T DK94909368T DK0638215T3 DK 0638215 T3 DK0638215 T3 DK 0638215T3 DK 94909368 T DK94909368 T DK 94909368T DK 94909368 T DK94909368 T DK 94909368T DK 0638215 T3 DK0638215 T3 DK 0638215T3
Authority
DK
Denmark
Prior art keywords
transmitting
channel
communication system
mobile communication
mobile station
Prior art date
Application number
DK94909368T
Other languages
Danish (da)
English (en)
Inventor
Nils Patrik Lundqvist
Claes Hakan Andersson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK0638215T3 publication Critical patent/DK0638215T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085Hand-off measurements
    • H04W36/0094Definition of hand-off measurement parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662Arrangements for Wireless System Synchronisation
    • H04B7/2671Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678Time synchronisation
    • H04B7/2684Synchronisation of a mobile station with more than one base station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0682Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/06Reselecting a communication resource in the serving access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
DK94909368T 1993-03-01 1994-02-22 Fremgangsmåde og apparat til overføring af en mobilstation fra en første til en anden kanal i et mobilt kommunikationssyste DK0638215T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9300681A SE9300681D0 (sv) 1993-03-01 1993-03-01 A method and an apparatusfor handing off a mobile station from a first to a second channel in a mobile communication system
PCT/SE1994/000147 WO1994021057A1 (en) 1993-03-01 1994-02-22 A method and an apparatus for handing off mobile station from a first to a second channel in a mobile communication system

Publications (1)

Publication Number Publication Date
DK0638215T3 true DK0638215T3 (da) 1999-11-22

Family

ID=20389073

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94909368T DK0638215T3 (da) 1993-03-01 1994-02-22 Fremgangsmåde og apparat til overføring af en mobilstation fra en første til en anden kanal i et mobilt kommunikationssyste

Country Status (19)

Country Link
US (1) US5640679A (zh)
EP (1) EP0638215B1 (zh)
JP (1) JPH07507433A (zh)
KR (1) KR100319369B1 (zh)
CN (1) CN1082285C (zh)
AU (1) AU672294B2 (zh)
CA (1) CA2133734C (zh)
DE (1) DE69418547T2 (zh)
DK (1) DK0638215T3 (zh)
ES (1) ES2133545T3 (zh)
FI (1) FI109758B (zh)
GR (1) GR3030895T3 (zh)
HK (1) HK1014305A1 (zh)
MY (1) MY110486A (zh)
NZ (1) NZ262526A (zh)
RU (1) RU2120697C1 (zh)
SE (1) SE9300681D0 (zh)
SG (1) SG42906A1 (zh)
WO (1) WO1994021057A1 (zh)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297460B (en) * 1995-01-28 1999-05-26 Motorola Ltd Communications system and a method therefor
GB2301737A (en) * 1995-06-02 1996-12-11 Dsc Communications Method of Transmitting Information in a Wireless Telecommunications System
GB2337861B (en) * 1995-06-02 2000-02-23 Dsc Communications Integrated directional antenna
US5809093A (en) * 1995-06-02 1998-09-15 Dsc Communications Corporation Apparatus and method of frame aligning information in a wireless telecommunications system
US5742595A (en) * 1995-06-02 1998-04-21 Dsc Communications Corporation Processing CDMA signals
US5696766A (en) * 1995-06-02 1997-12-09 Dsc Communications Corporation Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
GB2301735B (en) * 1995-06-02 1999-07-28 Dsc Communications Message handling in a telecommunications network
US5745496A (en) * 1995-06-02 1998-04-28 Dsc Communications Corporation Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
GB2301751B (en) * 1995-06-02 2000-02-09 Dsc Communications Control message transmission in telecommunications systems
GB2301717B (en) * 1995-06-02 1999-08-11 Dsc Communications Network controller for monitoring the status of a network
GB2301752B (en) * 1995-06-02 2000-03-29 Dsc Communications Control message transmission in telecommunications systems
US5915216A (en) * 1995-06-02 1999-06-22 Dsc Communications Corporation Apparatus and method of transmitting and receiving information in a wireless telecommunications system
MY117945A (en) * 1996-09-27 2004-08-30 Nec Corp Hand- off method and apparatus in cdma cellular system
DE69732622T2 (de) * 1996-10-18 2005-07-21 Matsushita Electric Industrial Co., Ltd., Kadoma Funkkommunikationssystem und Verfahren zur Ausführung eines Handovers mobiler Endgeräte durch Auswertung von TPC-Signalen
US6031832A (en) * 1996-11-27 2000-02-29 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for improving performance of a packet communications system
GB2320118A (en) * 1996-12-03 1998-06-10 Int Mobile Satellite Org Communication
US5940761A (en) 1997-01-15 1999-08-17 Qaulcomm Incorporated Method and apparatus for performing mobile assisted hard handoff between communication systems
US7046682B2 (en) * 1997-02-12 2006-05-16 Elster Electricity, Llc. Network-enabled, extensible metering system
US5913167A (en) * 1997-02-28 1999-06-15 Motorola, Inc. Method for transferring a communication link in a wireless communication system
CN1115008C (zh) * 1997-03-27 2003-07-16 西门子公司 传输数据的方法和装置
US5959981A (en) * 1997-03-31 1999-09-28 Motorola, Inc. Method and apparatus for transmitting information in a communication network
US6035199A (en) * 1997-04-10 2000-03-07 Hughes Electronics Corporation Method and apparatus for performing a handoff in a wireless communication system
WO1998049859A1 (en) * 1997-04-30 1998-11-05 Qualcomm Incorporated A method of and apparatus for tracking propagation delay between a base station and a subscriber unit
DE19738340C2 (de) * 1997-09-02 2001-03-15 Siemens Ag Roaming von Mobilteilen in zumindest teilweise asynchronen drahtlosen Telekommunikationsnetzen, insbesondere DECT-Netzen
JP2865098B1 (ja) * 1997-10-01 1999-03-08 日本電気株式会社 Cdma通信におけるフレームオフセット決定方式
GB2330486A (en) * 1997-10-17 1999-04-21 Motorola Ltd Delay Control for Seamless Handover
US6101175A (en) * 1997-10-31 2000-08-08 Motorola, Inc. Method and apparatus for handoff within a communication system
FI106283B (fi) * 1998-01-21 2000-12-29 Nokia Mobile Phones Ltd Solukkoradiosynkronointi
JP3024751B2 (ja) * 1998-04-22 2000-03-21 日本電気株式会社 フレームオフセット設定システム及び設定方法並びに設定プログラム記録媒体
WO1999065169A1 (en) * 1998-06-09 1999-12-16 Abb Power T & D Company Inc. Time synchronization of a utility meter via a wireless network
JP2947279B1 (ja) * 1998-07-31 1999-09-13 日本電気株式会社 スペクトラム拡散通信システム、及びスペクトラム拡散通信システムにおけるハンドオーバー方法
GB9819482D0 (en) 1998-09-07 1998-10-28 Nokia Telecommunications Oy Communication system
US6700902B1 (en) 1998-10-19 2004-03-02 Elster Electricity, Llc Method and system for improving wireless data packet delivery
US6625134B1 (en) * 1998-11-09 2003-09-23 Samsung Electronics Co., Ltd. System and method for reallocating a traffic channel in soft handoff state
US7299052B2 (en) * 1998-11-09 2007-11-20 Samsung Electronics Co., Ltd. System and method for reallocating a traffic channel in soft handoff state
GB9904349D0 (en) 1999-02-26 1999-04-21 Koninkl Philips Electronics Nv Cellular communication system handover
JP3658234B2 (ja) * 1999-03-17 2005-06-08 富士通株式会社 無線電話システムにおける遅延補正システム
EP1043845A1 (en) * 1999-04-06 2000-10-11 Telefonaktiebolaget L M Ericsson (Publ) A method of and equipment for performing radio communication in a plurality of radio communication environments
KR100680070B1 (ko) 1999-06-29 2007-02-09 유티스타콤코리아 유한회사 이동통신 시스템에서 주파수간/시스템간 핸드오버시데이터 전송방법
US6377805B1 (en) 1999-08-04 2002-04-23 International Business Machines Corporation Maintaining data communication through neighboring mobile units during handoff
US6628642B1 (en) * 1999-08-25 2003-09-30 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization deviation detection
US6675015B1 (en) 1999-09-15 2004-01-06 Nokia Corporation Apparatus, and associated method, for facilitating communication handovers in a bluetooth-public-access radio communication system
EP1107483A1 (en) * 1999-12-10 2001-06-13 Alcatel A method of locating synchronisation information in a signal flow, and a corresponding receiver
JP2001186559A (ja) * 1999-12-22 2001-07-06 Nec Corp 移動通信システム及びそれに用いる基地局間の簡易同期方法
US6496694B1 (en) * 2000-01-13 2002-12-17 Intel Corporation Wireless local loop with intelligent base station
JP2001285189A (ja) * 2000-04-03 2001-10-12 Sanyo Electric Co Ltd 無線基地局、プログラム記憶媒体
US7254118B1 (en) 2000-05-22 2007-08-07 Qualcomm Incorporated Method and apparatus in a CDMA communication system
DE10027389B4 (de) * 2000-06-02 2006-05-11 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Synchronisation
DE10039967B4 (de) * 2000-08-16 2004-11-18 Siemens Ag Anpassung des Timing Advance beim synchronen Handover
US20020089602A1 (en) * 2000-10-18 2002-07-11 Sullivan Gary J. Compressed timing indicators for media samples
US6907244B2 (en) * 2000-12-14 2005-06-14 Pulse-Link, Inc. Hand-off between ultra-wideband cell sites
AU2002305404A1 (en) * 2001-05-02 2002-11-11 Linkair Communications, Inc. Pre-synchronization handoff mechanisms for wireless communication networks
FR2826825B1 (fr) * 2001-06-28 2003-09-26 Cit Alcatel Procede de basculement d'un premier mode de radiocommunication vers un second mode de radiocommunication et terminal mobile multi-mode associe
US7068610B2 (en) 2002-02-26 2006-06-27 Unruh Lincoln J System and method for reliable communications over multiple packet RF networks
JP4347702B2 (ja) * 2002-03-27 2009-10-21 テレフオンアクチーボラゲット エル エム エリクソン(パブル) ハンドオーバー時のフレーム・タイミング制御
ES2320534T3 (es) * 2002-03-27 2009-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Control de temporizacion de tramas en el traspaso de llamada.
US20030210713A1 (en) * 2002-05-13 2003-11-13 Hisham Abdel-Ghaffar Estimating a time offset between link points in a communication network operating in a frequency division duplex mode
DE10241692B8 (de) * 2002-09-09 2012-10-25 Intel Mobile Communications Technology GmbH Verfahren und Vorrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Basisstation bei paralleler Verifikation
US7643596B2 (en) 2002-09-09 2010-01-05 Infineon Technologies Ag Method and device for synchronizing a mobile radio receiver with a base station involving parallel verification
US7486953B2 (en) * 2003-11-26 2009-02-03 Northrop Grumman Corporation Method and system for soft handover
KR100827105B1 (ko) 2004-02-13 2008-05-02 삼성전자주식회사 광대역 무선 통신 시스템에서 고속 레인징을 통한 빠른핸드오버 수행 방법 및 장치
US7702594B2 (en) 2004-09-24 2010-04-20 Elster Electricity, Llc System and method for automated configuration of meters
US7742430B2 (en) 2004-09-24 2010-06-22 Elster Electricity, Llc System for automated management of spontaneous node migration in a distributed fixed wireless network
US7885658B2 (en) * 2004-12-16 2011-02-08 Alcatel-Lucent Usa Inc. Method for detecting reverse link collisions on an air interface
US8134977B2 (en) * 2005-10-27 2012-03-13 Qualcomm Incorporated Tune-away protocols for wireless systems
US8068835B2 (en) * 2005-10-27 2011-11-29 Qualcomm Incorporated Tune-away and cross paging systems and methods
US9247467B2 (en) * 2005-10-27 2016-01-26 Qualcomm Incorporated Resource allocation during tune-away
US8229433B2 (en) * 2005-10-27 2012-07-24 Qualcomm Incorporated Inter-frequency handoff
CN101473676B (zh) * 2006-07-03 2012-06-27 艾利森电话股份有限公司 用于无线接入网中的切换的方法和装置
EP2095550B1 (en) * 2006-08-22 2018-10-03 Juniper Networks, Inc. Apparatus and method of synchronizing distribution of packet services across a distributed network
US8073384B2 (en) 2006-12-14 2011-12-06 Elster Electricity, Llc Optimization of redundancy and throughput in an automated meter data collection system using a wireless network
WO2008086213A1 (en) * 2007-01-04 2008-07-17 Itron, Inc. Collecting utility data information and conducting reconfigurations, such as demand resets, in a utility metering system
US8320302B2 (en) 2007-04-20 2012-11-27 Elster Electricity, Llc Over the air microcontroller flash memory updates
JP5140663B2 (ja) * 2007-04-27 2013-02-06 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、基地局制御装置、基地局装置、移動局装置、および、基地局無線パラメータ制御方法
US8666414B2 (en) * 2007-04-27 2014-03-04 Panasonic Corporation Mobile communication terminal and communication device
NZ586190A (en) 2007-12-26 2013-05-31 Elster Electricity Llc A utility meter network wherein meters can transmit electrical and other readings to a collector by using other meters as repeaters
US8843136B2 (en) * 2008-03-10 2014-09-23 Telefonaktiebolaget Lm Ericsson (Publ) System and method for performing timing updates in a mobile device
US20090310526A1 (en) 2008-06-11 2009-12-17 Qualcomm Incorporated Systems and methods of simultaneous, time-shifted transmission to multiple receivers
US8525692B2 (en) 2008-06-13 2013-09-03 Elster Solutions, Llc Techniques for limiting demand from an electricity meter with an installed relay
KR20100066620A (ko) * 2008-12-10 2010-06-18 삼성전자주식회사 멀티모드 단말에서 무선접속기술 간 측정 장치 및 방법
US8203463B2 (en) 2009-02-13 2012-06-19 Elster Electricity Llc Wakeup and interrogation of meter-reading devices using licensed narrowband and unlicensed wideband radio communication
US8725156B2 (en) * 2009-04-02 2014-05-13 Honeywell International Inc. Methods for supporting mobile nodes in industrial control and automation systems and other systems and related apparatus
JP4809487B1 (ja) * 2010-04-30 2011-11-09 株式会社エヌ・ティ・ティ・ドコモ 移動通信方法及び移動局
EP2622915B1 (en) * 2010-09-30 2018-04-25 Panasonic Intellectual Property Corporation of America Timing advance configuration for multiple uplink component carriers

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593138A (en) * 1968-07-31 1971-07-13 Nasa Satellite interlace synchronization system
FR2502426A1 (fr) * 1981-03-20 1982-09-24 Trt Telecom Radio Electr Systeme de transmission d'informations entre une station principale et des stations secondaires operant selon un procede amrt
US4414661A (en) * 1981-07-02 1983-11-08 Trancom Ab Apparatus for communicating with a fleet of vehicles
US4475010A (en) * 1983-05-05 1984-10-02 At&T Bell Laboratories High density cellular mobile radio communications
CA1227844A (en) * 1983-09-07 1987-10-06 Michael T.H. Hewitt Communications network having a single node and a plurality of outstations
JPS6090441A (ja) * 1983-10-25 1985-05-21 Hitachi Ltd 移動通信のゾ−ン切替え方式
US4608711A (en) * 1984-06-21 1986-08-26 Itt Corporation Cellular mobile radio hand-off utilizing voice channel
JPS61145995A (ja) * 1984-12-20 1986-07-03 Toshiba Corp 集線分配装置
DE3607687A1 (de) * 1986-03-08 1987-09-10 Philips Patentverwaltung Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system
US4797947A (en) * 1987-05-01 1989-01-10 Motorola, Inc. Microcellular communications system using macrodiversity
US4811380A (en) * 1988-01-29 1989-03-07 Motorola, Inc. Cellular radiotelephone system with dropped call protection
US4866710A (en) * 1988-02-22 1989-09-12 Motorola, Inc. Reuse groups for scan monitoring in digital cellular systems
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
CA2030641C (en) * 1989-11-24 1994-05-31 Yasushi Yamao Radio communication equipment for a mobile station and traffic channel hand-off method using the same
US5355367A (en) * 1990-01-02 1994-10-11 Motorola, Inc. One cell re-use pattern for communication system sites
US5228029A (en) * 1990-02-27 1993-07-13 Motorola, Inc. Cellular tdm communication system employing offset frame synchronization
US5355515A (en) * 1991-06-12 1994-10-11 Telefonaktiebolaget L M Ericsson Method and apparatus for estimating initial time alignment in a cellular communications network

Also Published As

Publication number Publication date
HK1014305A1 (en) 1999-09-24
NZ262526A (en) 1996-07-26
DE69418547T2 (de) 1999-09-16
EP0638215A1 (en) 1995-02-15
KR100319369B1 (ko) 2002-04-22
WO1994021057A1 (en) 1994-09-15
AU672294B2 (en) 1996-09-26
CA2133734C (en) 2004-09-28
FI945120A (fi) 1994-10-31
SG42906A1 (en) 1997-10-17
US5640679A (en) 1997-06-17
FI109758B (fi) 2002-09-30
AU6223394A (en) 1994-09-26
GR3030895T3 (en) 1999-11-30
EP0638215B1 (en) 1999-05-19
DE69418547D1 (de) 1999-06-24
MY110486A (en) 1998-06-30
SE9300681D0 (sv) 1993-03-01
JPH07507433A (ja) 1995-08-10
KR950701476A (ko) 1995-03-23
RU2120697C1 (ru) 1998-10-20
CN1103242A (zh) 1995-05-31
FI945120A0 (fi) 1994-10-31
CN1082285C (zh) 2002-04-03
ES2133545T3 (es) 1999-09-16
CA2133734A1 (en) 1994-09-15

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