SE524076C2 - Mjukt handofförfarande för multimediautsändnings/ fleranvändaruppkopplingstjänst i ett CDMA mobilkommunikationssystem - Google Patents

Mjukt handofförfarande för multimediautsändnings/ fleranvändaruppkopplingstjänst i ett CDMA mobilkommunikationssystem

Info

Publication number
SE524076C2
SE524076C2 SE0301237A SE0301237A SE524076C2 SE 524076 C2 SE524076 C2 SE 524076C2 SE 0301237 A SE0301237 A SE 0301237A SE 0301237 A SE0301237 A SE 0301237A SE 524076 C2 SE524076 C2 SE 524076C2
Authority
SE
Sweden
Prior art keywords
node
rnc
system frame
sfn
transmission
Prior art date
Application number
SE0301237A
Other languages
English (en)
Swedish (sv)
Other versions
SE0301237D0 (sv
SE0301237L (sv
Inventor
Joon-Goo Park
Sung-Ho Choi
Jin-Weon Chang
Kook-Heui Lee
Soeng-Hun Kim
Ju-Ho Lee
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of SE0301237D0 publication Critical patent/SE0301237D0/xx
Publication of SE0301237L publication Critical patent/SE0301237L/xx
Publication of SE524076C2 publication Critical patent/SE524076C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SE0301237A 2002-04-27 2003-04-28 Mjukt handofförfarande för multimediautsändnings/ fleranvändaruppkopplingstjänst i ett CDMA mobilkommunikationssystem SE524076C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20020023283A KR100891785B1 (ko) 2002-04-27 2002-04-27 부호분할다중접속 이동통신시스템에서 멀티캐스트멀티미디어 방송 서비스를 위한 소프트 핸드오버 방법

Publications (3)

Publication Number Publication Date
SE0301237D0 SE0301237D0 (sv) 2003-04-28
SE0301237L SE0301237L (sv) 2003-10-28
SE524076C2 true SE524076C2 (sv) 2004-06-22

Family

ID=19720516

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0301237A SE524076C2 (sv) 2002-04-27 2003-04-28 Mjukt handofförfarande för multimediautsändnings/ fleranvändaruppkopplingstjänst i ett CDMA mobilkommunikationssystem

Country Status (12)

Country Link
US (1) US7307971B2 (de)
JP (1) JP3926287B2 (de)
KR (1) KR100891785B1 (de)
CN (1) CN1455538A (de)
AU (1) AU2003203878B2 (de)
DE (1) DE10319096B4 (de)
FI (1) FI117686B (de)
FR (1) FR2839592B1 (de)
GB (1) GB2389488B (de)
IT (1) ITMI20030844A1 (de)
RU (1) RU2265959C2 (de)
SE (1) SE524076C2 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100876765B1 (ko) * 2002-05-10 2009-01-07 삼성전자주식회사 이동 통신 시스템에서 데이터 재전송 장치 및 방법
CN1476198A (zh) * 2002-08-15 2004-02-18 ��������ͨ�ż����о����޹�˾ 利用小区广播的mbms的业务广告或业务指示的方法
US7586874B2 (en) * 2003-01-06 2009-09-08 Interdigital Technology Corporation Wireless communication method and apparatus for providing multimedia broadcast services
KR100594101B1 (ko) * 2003-01-20 2006-06-30 삼성전자주식회사 비추적 영역에서 멀티캐스트 멀티미디어 방송 서비스를제공하는 시스템 및 방법
CA2428303C (en) * 2003-05-07 2009-10-13 M-Stack Limited Apparatus and methods of handling simultaneous universal terrestrial radio access network radio resource control procedures with activation times in a universal mobile telecommunications system user equipment
US6944142B2 (en) * 2003-05-13 2005-09-13 Interdigital Technology Corporation Method for soft and softer handover in time division duplex code division multiple access (TDD-CDMA) networks
MXPA05014177A (es) * 2003-06-25 2006-02-24 Interdigital Tech Corp Metodo para la sincronizacion de la transmision de enlace de descendente.
BRPI0413816B1 (pt) * 2003-08-22 2018-04-10 Samsung Electronics Co., Ltd. Método de re-seleção de célula para receber dados de pacote em um sistema de comunicação móvel com suporte para mbms
DE602004021005D1 (de) 2003-08-25 2009-06-18 Interdigital Tech Corp Erweiterte aufwärtsstreckenbetrieb bei soft-weiterreichung
US7046648B2 (en) 2003-11-05 2006-05-16 Interdigital Technology Corporation Wireless communication method and apparatus for coordinating Node-B's and supporting enhanced uplink transmissions during handover
JP4279777B2 (ja) * 2003-12-24 2009-06-17 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム及び制御装置
KR100810590B1 (ko) * 2003-12-24 2008-03-06 가부시키가이샤 엔.티.티.도코모 이동통신 시스템 및 제어 장치
US7535932B2 (en) * 2003-12-26 2009-05-19 Ntt Docomo, Inc. Radio communications system, radio network controller and base station
CN101374278B (zh) * 2004-01-08 2012-02-29 北京三星通信技术研究有限公司 通知mbms相关信息的方法
KR100651466B1 (ko) * 2004-01-27 2006-11-29 삼성전자주식회사 이동통신 시스템에서 방송 서비스 스트림의 동기화 시스템및 방법
KR100762669B1 (ko) * 2004-03-15 2007-10-01 삼성전자주식회사 멀티미디어 방송/멀티캐스트 서비스 시스템에서 수신신호의 신호이득을 최대화하는 방법 및 시스템
DE602004010301T2 (de) 2004-03-30 2008-09-18 Mitsubishi Denki K.K. Mobilkommunikationsendgerät und funkkommunikationssystem
KR101048256B1 (ko) * 2004-03-31 2011-07-08 엘지전자 주식회사 이동통신 시스템의 중요도에 따른 데이터 전송방법
KR101069451B1 (ko) * 2004-04-14 2011-09-30 엘지전자 주식회사 이동통신 시스템의 인접 셀 서비스 수신 방법
GB2416269A (en) 2004-04-16 2006-01-18 Nokia Corp Cell selection and re-selection
EP1768433B1 (de) * 2004-07-15 2014-05-07 Fujitsu Limited Funkbasisstation und mobilstation
KR20060011226A (ko) * 2004-07-29 2006-02-03 엘지전자 주식회사 이동통신 시스템에서 멀티캐스트 및 방송 서비스를 위한핸드오버 지원방법
CN100518391C (zh) * 2004-07-29 2009-07-22 北京三星通信技术研究有限公司 控制数据发送的方法
CN100401838C (zh) * 2004-07-31 2008-07-09 华为技术有限公司 异步码分多址系统的切换同步方法
KR100677509B1 (ko) * 2004-08-04 2007-02-02 엘지전자 주식회사 네트워크간 로밍을 지원하는 방송 서비스 시스템 및 방법
JP4568557B2 (ja) * 2004-08-10 2010-10-27 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム及び移動局
KR20060041673A (ko) * 2004-08-16 2006-05-12 엘지전자 주식회사 방송 및 멀티캐스트(ｍｂｍｓ) 서비스를 위한 무선 통신시스템 및 방법
KR100724925B1 (ko) * 2004-09-20 2007-06-04 삼성전자주식회사 무선통신 시스템에서 방송서비스를 제공하기 위한 시스템및 방법
CN1323568C (zh) * 2004-09-24 2007-06-27 华为技术有限公司 无线通信系统中控制用户终端选择小区的方法
CN100415038C (zh) * 2004-09-24 2008-08-27 华为技术有限公司 无线通信系统中控制用户终端选择小区的方法
DE602004021806D1 (de) * 2004-09-27 2009-08-13 Panasonic Corp Anonymer Aufwärtsrichtungsmessbericht in einem drahtlosen Kommunikationssystem
JP2006101308A (ja) * 2004-09-30 2006-04-13 Fujitsu Ltd 無線基地局装置及びパスサーチ方法
BRPI0516189B1 (pt) * 2004-09-30 2019-07-02 Samsung Electronics Co., Ltd. Método de combinação parcial e aparelho para serviço de difusão / multidifusão de multimídia desejado
CN100450199C (zh) * 2004-10-21 2009-01-07 华为技术有限公司 实现无线广播多播业务同步发送的系统及方法
US8843995B2 (en) 2004-11-02 2014-09-23 Blackberry Limited Generic access network (GAN) controller selection in PLMN environment
JP4181107B2 (ja) * 2004-11-25 2008-11-12 株式会社カシオ日立モバイルコミュニケーションズ ハンドオフ制御方法及び移動通信端末
US20060146745A1 (en) * 2005-01-05 2006-07-06 Zhijun Cai Method and apparatus for scheduling and synchronizing a multimedia broadcast/multicast service
DE102005006399A1 (de) * 2005-02-11 2006-08-24 Siemens Ag Verfahren zur Steuerung einer Signalübertragung in einem Funk-Kommunikationssystem
KR100970642B1 (ko) * 2005-03-28 2010-07-15 엘지전자 주식회사 멀티미디어 방송/멀티캐스트 서비스 전송블록 수신 방법
US20060285521A1 (en) * 2005-05-02 2006-12-21 Ville Steudle Method, system, apparatus and software product implementing downlink code management for fractional dedicated physical channel in timing conflict situations
JP4705814B2 (ja) 2005-07-08 2011-06-22 株式会社日立製作所 同期配信方法
KR101084142B1 (ko) * 2005-08-25 2011-11-17 엘지전자 주식회사 하향공유채널의 데이터 송수신 방법
JP4859419B2 (ja) 2005-09-14 2012-01-25 株式会社エヌ・ティ・ティ・ドコモ 無線基地局およびユーザ共通データ伝送方法
KR100735399B1 (ko) 2005-09-23 2007-07-04 삼성전자주식회사 디지털 방송 시스템에서 이동통신 시스템을 이용한핸드오버를 수행하기 위한 방법 및 장치
JP4835951B2 (ja) 2005-11-04 2011-12-14 日本電気株式会社 無線通信システムとその送信電力制御方法
CN1996806A (zh) * 2006-01-06 2007-07-11 北京三星通信技术研究有限公司 无线通信系统中在竞争资源中传输数据的设备和方法
JP4795045B2 (ja) 2006-02-14 2011-10-19 株式会社エヌ・ティ・ティ・ドコモ 移動局および無線アクセスネットワーク装置並びにモビリティ制御方法
EP1992089B1 (de) * 2006-03-03 2017-03-15 KTFreetel Co., Ltd. Verfahren und system zum messen der qualität eines drahtlosen netzwerks
JP4908496B2 (ja) * 2006-03-28 2012-04-04 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、基地局及び送信方法
EP2030407A1 (de) 2006-06-07 2009-03-04 QUALCOMM Incorporated Übergabe eines zugangsendgeräts an der netzwerkschicht in einem zugangsnetz
CN100454819C (zh) * 2006-06-19 2009-01-21 华为技术有限公司 一种多播服务实现方法
US8843118B2 (en) 2006-08-21 2014-09-23 Interdigital Technology Corporation Multi-cell coordination for multimedia broadcast multicast services in a wireless communication system
JP5380292B2 (ja) * 2006-08-21 2014-01-08 インターデイジタル テクノロジー コーポレーション 無線通信システムにおけるマルチメディアブロードキャスト・マルチキャストサービスのためのマルチセル協調
EP1892978B1 (de) * 2006-08-22 2019-01-02 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung zum Herstellen von Multimedia-Inhalten-Übertragung in einer Zelle eines Funktelekommunikationsnetzwerks
CN101132222B (zh) * 2006-08-22 2011-02-16 上海贝尔阿尔卡特股份有限公司 网关设备、通信网络和同步方法
GB0616682D0 (en) 2006-08-22 2006-10-04 Nec Corp Mobile telecommunications
CN101132545B (zh) * 2006-08-24 2011-08-03 电信科学技术研究院 一种移动通信系统中实现多媒体广播/组播的方法和系统
WO2008023792A1 (fr) * 2006-08-25 2008-02-28 Panasonic Corporation Dispositif de réseau de noyau, dispositif de station de base de communication radio, et procédé de communication radio
JP5112671B2 (ja) 2006-10-06 2013-01-09 富士通株式会社 無線基地局及び移動無線通信制御方法
WO2008047722A1 (fr) * 2006-10-13 2008-04-24 Sharp Kabushiki Kaisha Système de communication mobile, dipositif de commande, procédé de commande de dispositif de station de base et programme
JP4830787B2 (ja) * 2006-10-25 2011-12-07 日本電気株式会社 移動体通信システム、コアネットワーク装置及びそれらに用いるｍｂｍｓデータ送信方法
KR100762282B1 (ko) * 2006-10-27 2007-10-01 한국전자통신연구원 멀티캐스트 서비스를 제공하는 방법 및 장치
KR101278233B1 (ko) * 2006-10-31 2013-06-24 삼성전자주식회사 무선 통신 시스템에서 데이터 전송 동기화를 위한 장치 및방법
TWI345926B (en) * 2006-11-30 2011-07-21 Inst Information Industry Wireless network handover apparatus, method, application program, and computer readable medium for dynamic handover
KR100774365B1 (ko) * 2006-12-07 2007-11-08 한국전자통신연구원 통신 시스템에서 멀티캐스트 방송 서비스 제공 방법
US20100061302A1 (en) * 2007-01-09 2010-03-11 Ntt Docomo, Inc. Base station apparatus and communications control method
CA2675481C (en) 2007-01-19 2013-12-03 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving mobility information supporting handover and/or roaming in digital broadcasting system
JP4866761B2 (ja) * 2007-03-07 2012-02-01 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、ユーザ共通データ伝送装置及び無線基地局
CN101267591B (zh) * 2007-03-16 2011-07-06 电信科学技术研究院 确定单频网络域的方法及装置
US20080261531A1 (en) * 2007-04-16 2008-10-23 Nokia Corporation System and method for providing coverage and service continuation in border cells of a localized network
US8467349B2 (en) * 2007-07-20 2013-06-18 Qualcomm Incorporated Methods and apparatus for in-order delivery of data packets during handoff
RU2449504C2 (ru) * 2007-07-20 2012-04-27 Квэлкомм Инкорпорейтед Способы и устройства для упорядоченной доставки пакетов данных при передаче обслуживания
CN101369908B (zh) * 2007-08-19 2012-02-29 中兴通讯股份有限公司 一种多媒体广播和多播系统中的帧及信号发送方法
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
US20090109926A1 (en) * 2007-10-31 2009-04-30 Qualcomm Incorporated Methods and systems for in-order delivery during handoff using a timer in mobile communications
US8223724B2 (en) * 2007-11-01 2012-07-17 Nokia Siemens Networks Oy Frame and chip offset for SRNC in UE involved relocation on carrier sharing
GB2456128B (en) * 2007-12-20 2010-01-27 Samsung Electronics Co Ltd Communication system and method
CN101472224B (zh) * 2007-12-27 2010-08-25 大唐移动通信设备有限公司 在小区转移过程中持续接收组播业务的方法、装置和终端
EP2094014A1 (de) * 2008-02-21 2009-08-26 British Telecommunications Public Limited Company Video-Streaming
CN101656717B (zh) * 2008-08-21 2013-06-05 中兴通讯股份有限公司 单频网上多播/广播子帧的获取/配置方法及获取装置
JP5343747B2 (ja) * 2008-09-30 2013-11-13 日本電気株式会社 無線通信システム、管理サーバ、ネットワーク選択方法、および管理サーバプログラム
CN101945336B (zh) * 2009-07-06 2015-05-13 中兴通讯股份有限公司 多媒体广播组播业务的调度处理方法及下层网元
CN102165824B (zh) * 2009-11-20 2016-08-24 高通股份有限公司 用于增强td-scdma多模终端中基于蜂窝小区id的位置确定的方法和装置
JP4942834B2 (ja) * 2010-05-18 2012-05-30 株式会社日立製作所 同期配信方法
WO2011160279A1 (zh) * 2010-06-21 2011-12-29 上海贝尔股份有限公司 传送多媒体广播多播业务接收状态的方法及装置
GB2482920A (en) * 2010-08-20 2012-02-22 Ip Access Ltd Calculating a timing offset between a source cell and a target cell following receipt of system frame numbers of the source cell and the target cell
EP3030023B1 (de) * 2011-09-01 2017-04-12 LG Electronics Inc. Verfahren und vorrichtung zur bereitstellung eines multimedia-broadcast/multicast-dienstes (mbms) in einem drahtloskommunikationssystem
US9603087B2 (en) 2011-10-18 2017-03-21 Broadcom Corporation Green femtocells and methods of implementing the same
US9479978B2 (en) * 2011-10-18 2016-10-25 Broadcom Corporation Method for determining a handover between a macrocell and a femtocell
US9019921B2 (en) * 2012-02-22 2015-04-28 Lg Electronics Inc. Method and apparatus for transmitting data between wireless devices in wireless communication system
US9351201B2 (en) 2012-03-08 2016-05-24 Qualcomm Incorporated System and method for reducing data loss during a serving cell change in a multi-flow HSDPA communication network
US9119200B2 (en) 2012-03-16 2015-08-25 Qualcomm Incorporated Access point communication based on transmission of multiple physical layer identifiers
CN102647764B (zh) * 2012-04-16 2015-07-08 华为技术有限公司 软切换控制的方法和装置
US8761781B2 (en) * 2012-05-30 2014-06-24 At&T Mobility Ii Llc Facilitation of determination of antenna location
KR101571338B1 (ko) * 2013-03-13 2015-11-24 삼성전자주식회사 복수의 재생 장치들이 스트리밍 컨텐트를 동기화하여 재생하는 방법 및 이를 위한 장치
US9843456B2 (en) 2013-12-16 2017-12-12 Telefonaktiebolaget Lm Ericsson (Publ) Feedback based adaptation of multicast transmission offset
WO2018161299A1 (zh) * 2017-03-09 2018-09-13 华为技术有限公司 无线通信的方法、控制设备、节点和终端设备
WO2020240253A1 (en) * 2019-05-29 2020-12-03 Telefonaktiebolaget Lm Ericsson (Publ) Methods providing system frame number offset over application protocol interface and related networks and network nodes
KR20210011277A (ko) * 2019-07-22 2021-02-01 삼성전자주식회사 채널 피드백에 기초한 멀티캐스트 전송을 위한 방법 및 장치
US20230072917A1 (en) * 2020-01-31 2023-03-09 Telefonaktiebolaget Lm Ericsson (Publ) Communicating timing accuracy information for synchronization source of network node and related apparatuses
TWI833472B (zh) * 2022-11-30 2024-02-21 財團法人工業技術研究院 通信系統及通信方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1109524A (en) * 1977-07-15 1981-09-22 James L. Osborn Simulcast transmission system
CA2033309C (en) * 1989-12-27 1998-02-10 Seiji Kondo Frame synchronization system among multiple radio base stations for tdma digital mobile communications system
US5481258A (en) * 1993-08-11 1996-01-02 Glenayre Electronics, Inc. Method and apparatus for coordinating clocks in a simulcast network
JPH10164650A (ja) * 1996-11-28 1998-06-19 Oki Electric Ind Co Ltd 通信チャネル切替制御方法、移動通信制御局装置、基地局装置、移動局装置及び移動通信システム
JP2845228B2 (ja) * 1996-12-10 1999-01-13 日本電気株式会社 隣接セル同期検出方式
SE509836C2 (sv) * 1997-06-13 1999-03-15 Ericsson Telefon Ab L M Förfarande och arrangemang i ett radiokommunikationssystem
JPH1118144A (ja) 1997-06-25 1999-01-22 Nec Corp 基地局間同期確立方法及びシステム
EP0942615A4 (de) * 1997-08-08 2006-03-22 Mitsubishi Electric Corp System für mobile kommunikation
KR20000066773A (ko) * 1999-04-21 2000-11-15 박원배 비동기 시스템의 소프트 핸드오프 처리 방법
CA2317980C (en) 1999-09-16 2004-10-19 At&T Corp. H.323 mobility architecture for terminal, user and service mobility
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
FR2809576B1 (fr) * 2000-05-23 2002-11-15 Nortel Matra Cellular Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede
FR2809579B1 (fr) * 2000-05-23 2003-07-04 Nortel Matra Cellular Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede
JP3382922B2 (ja) 2000-07-06 2003-03-04 埼玉日本電気株式会社 移動通信システム、移動機、交換機及び移動通信方法
CN1208988C (zh) * 2000-07-18 2005-06-29 三星电子株式会社 移动通信系统中上行链路同步发送方案越区切换的方法
US6697629B1 (en) 2000-10-11 2004-02-24 Qualcomm, Incorporated Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
CN1214553C (zh) * 2000-11-17 2005-08-10 三星电子株式会社 在窄带时分双工码分多址移动通信系统中测量传播延迟的设备和方法
KR100384899B1 (ko) * 2001-01-10 2003-05-23 한국전자통신연구원 무선통신 시스템에서 끊김없는 주파수간 하드 핸드오버 방법
US6775242B2 (en) * 2001-07-09 2004-08-10 Qualcomm Incorporated Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system
KR100395486B1 (ko) * 2001-09-14 2003-08-25 한국전자통신연구원 기지국 제어기간 통신을 통한 패킷 데이터 서비스 노드 간고속 소프트 핸드오프 수행 방법
CN1192531C (zh) * 2001-12-21 2005-03-09 华为技术有限公司 一种宽带码分多址系统同步的实现方法

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DE10319096A1 (de) 2003-11-27
ITMI20030844A1 (it) 2003-10-28
RU2265959C2 (ru) 2005-12-10
GB2389488B (en) 2004-09-01
FI117686B (fi) 2007-01-15
SE0301237D0 (sv) 2003-04-28
CN1455538A (zh) 2003-11-12
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JP3926287B2 (ja) 2007-06-06
SE0301237L (sv) 2003-10-28
JP2003348643A (ja) 2003-12-05
FI20030631A (fi) 2003-10-28
AU2003203878B2 (en) 2004-09-23
FR2839592B1 (fr) 2011-04-15
US20040008646A1 (en) 2004-01-15
AU2003203878A1 (en) 2003-11-13
FR2839592A1 (fr) 2003-11-14
US7307971B2 (en) 2007-12-11
FI20030631A0 (fi) 2003-04-25
DE10319096B4 (de) 2010-02-11

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