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DE69904063D1 - Kommunikationssystem - Google Patents

Kommunikationssystem

Info

Publication number
DE69904063D1
DE69904063D1 DE69904063T DE69904063T DE69904063D1 DE 69904063 D1 DE69904063 D1 DE 69904063D1 DE 69904063 T DE69904063 T DE 69904063T DE 69904063 T DE69904063 T DE 69904063T DE 69904063 D1 DE69904063 D1 DE 69904063D1
Authority
DE
Germany
Prior art keywords
base stations
timing
base station
communication system
radio communication
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.)
Expired - Lifetime
Application number
DE69904063T
Other languages
English (en)
Other versions
DE69904063T2 (de
Inventor
Lauri Oksanen
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.)
Qualcomm Inc
Original Assignee
Nokia Oyj
Nokia Inc
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 Nokia Oyj, Nokia Inc filed Critical Nokia Oyj
Publication of DE69904063D1 publication Critical patent/DE69904063D1/de
Application granted granted Critical
Publication of DE69904063T2 publication Critical patent/DE69904063T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Eye Examination Apparatus (AREA)
DE69904063T 1998-09-07 1999-09-07 Kommunikationssystem Expired - Lifetime DE69904063T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9819482.2A GB9819482D0 (en) 1998-09-07 1998-09-07 Communication system
PCT/IB1999/001546 WO2000014907A1 (en) 1998-09-07 1999-09-07 Communication system

Publications (2)

Publication Number Publication Date
DE69904063D1 true DE69904063D1 (de) 2003-01-02
DE69904063T2 DE69904063T2 (de) 2003-07-31

Family

ID=10838464

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904063T Expired - Lifetime DE69904063T2 (de) 1998-09-07 1999-09-07 Kommunikationssystem

Country Status (11)

Country Link
US (1) US7024194B1 (de)
EP (1) EP1112627B1 (de)
JP (1) JP4384358B2 (de)
CN (1) CN1127819C (de)
AT (1) ATE228283T1 (de)
AU (1) AU5440899A (de)
BR (1) BRPI9913452B1 (de)
DE (1) DE69904063T2 (de)
ES (1) ES2188221T3 (de)
GB (1) GB9819482D0 (de)
WO (1) WO2000014907A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105251B (fi) * 1997-06-18 2000-06-30 Nokia Mobile Phones Ltd Menetelmä aikajakoisen solukkoverkon tukiasemien tunnistamiseksi matkaviestimessä ja matkaviestin
WO2001080461A1 (en) 2000-04-07 2001-10-25 Interdigital Technology Corporation Base station synchronization for wireless communication systems
US7254118B1 (en) 2000-05-22 2007-08-07 Qualcomm Incorporated Method and apparatus in a CDMA communication system
DK1307979T3 (da) 2000-08-04 2004-11-22 Interdigital Tech Corp Cellesögningsfremgangsmåde og apparat i et TDMA-CDMA kommunikationssystem
DE10039967B4 (de) * 2000-08-16 2004-11-18 Siemens Ag Anpassung des Timing Advance beim synchronen Handover
US6826244B2 (en) 2001-02-27 2004-11-30 Interdigital Technology Corporation Initial cell search algorithm for 3G FDD wireless communication systems
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
US6847630B2 (en) 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
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
US7813311B2 (en) 2002-02-05 2010-10-12 Interdigital Technology Corporation Method and apparatus for synchronizing base stations
US6937872B2 (en) * 2002-04-15 2005-08-30 Qualcomm Incorporated Methods and apparatuses for measuring frequencies of basestations in cellular networks using mobile GPS receivers
US20030214936A1 (en) * 2002-05-16 2003-11-20 Goff Max K. Using GPS signals to synchronize stationary multiple master networks
US8099094B2 (en) 2004-07-12 2012-01-17 Interdigital Technology Corporation Neighbor scanning in wireless local area networks
US7702343B2 (en) * 2005-04-04 2010-04-20 Qualcomm Incorporated Efficient gap allocation for cell measurements in asynchronous communication networks
KR100770838B1 (ko) 2005-05-11 2007-10-26 삼성전자주식회사 이동통신시스템에서의 핸드오버 방법과 그를 위한 이동통신시스템의 무선 네트워크 제어기
US8134977B2 (en) 2005-10-27 2012-03-13 Qualcomm Incorporated Tune-away protocols for wireless systems
US9247467B2 (en) 2005-10-27 2016-01-26 Qualcomm Incorporated Resource allocation during tune-away
US8068835B2 (en) * 2005-10-27 2011-11-29 Qualcomm Incorporated Tune-away and cross paging systems and methods
US8229433B2 (en) * 2005-10-27 2012-07-24 Qualcomm Incorporated Inter-frequency handoff
JP4050295B2 (ja) * 2005-11-10 2008-02-20 株式会社東芝 通信システム、移動通信端末装置及び制御局
DE102007039226A1 (de) 2007-08-20 2009-02-26 Giesecke & Devrient Gmbh Echtzeitmessung auf einem portablen Datenträger
US8526419B2 (en) * 2009-01-05 2013-09-03 Qualcomm Incorporated Provision of inter-frequency subframe configuration in wireless communication
EP2401877B1 (de) * 2009-02-24 2018-09-05 Nokia Solutions and Networks Oy Korrektur der basisstationsreferenzfrequenz und taktkorrektur mittels transceiver-rückkoppelung
US8620333B2 (en) 2009-02-24 2013-12-31 Eden Rock Communications, Llc Systems and methods for base station reference frequency and timing correction
CN103190185B (zh) * 2010-09-21 2017-09-22 爱立信(中国)通信有限公司 空中接口定时同步共享
CN102685874B (zh) * 2012-04-12 2018-11-23 南京中兴新软件有限责任公司 一种多个接入点间偏差校准方法、系统和装置
JP5314171B1 (ja) 2012-04-20 2013-10-16 パナソニック株式会社 基地局装置、通信システム、及び同期方法
EP3280197B1 (de) * 2015-04-03 2022-01-19 NTT DoCoMo, Inc. Benutzervorrichtung und basisstation
CN110035491B (zh) * 2018-01-11 2020-06-19 维沃移动通信有限公司 一种同步指示方法和设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440561A (en) 1991-09-30 1995-08-08 Motorola, Inc. Method for establishing frame synchronization within a TDMA communication system
FR2695776B1 (fr) * 1992-09-15 1994-10-14 Alcatel Radiotelephone Procédé de transmission d'une information d'avance temporelle à un mobile évoluant dans des cellules d'un réseau GSM à BTS asynchrones.
SE9300681D0 (sv) 1993-03-01 1993-03-01 Ericsson Telefon Ab L M A method and an apparatusfor handing off a mobile station from a first to a second channel in a mobile communication system
US5870427A (en) * 1993-04-14 1999-02-09 Qualcomm Incorporated Method for multi-mode handoff using preliminary time alignment of a mobile station operating in analog mode
AU677079B2 (en) * 1993-06-14 1997-04-10 Telefonaktiebolaget Lm Ericsson (Publ) Time alignment of transmission in a down-link of a CDMA system
KR970008949B1 (en) * 1994-11-16 1997-06-03 Korea Electronics Telecomm Method and system for providing a frequency handoff in communication in a cdma cellular telephone system
US5594718A (en) 1995-03-30 1997-01-14 Qualcomm Incorporated Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system
JP2785789B2 (ja) * 1996-02-09 1998-08-13 日本電気株式会社 ディジタル移動通信システム
US5978679A (en) * 1996-02-23 1999-11-02 Qualcomm Inc. Coexisting GSM and CDMA wireless telecommunications networks
US6026301A (en) * 1996-12-17 2000-02-15 Northern Telecom Limited Method for hard handoff in a CDMA cellular environment
US6526039B1 (en) * 1998-02-12 2003-02-25 Telefonaktiebolaget Lm Ericsson Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system

Also Published As

Publication number Publication date
CN1127819C (zh) 2003-11-12
CN1324531A (zh) 2001-11-28
AU5440899A (en) 2000-03-27
EP1112627A1 (de) 2001-07-04
DE69904063T2 (de) 2003-07-31
GB9819482D0 (en) 1998-10-28
WO2000014907A1 (en) 2000-03-16
ES2188221T3 (es) 2003-06-16
JP4384358B2 (ja) 2009-12-16
EP1112627B1 (de) 2002-11-20
JP2002524967A (ja) 2002-08-06
US7024194B1 (en) 2006-04-04
BRPI9913452B1 (pt) 2016-10-25
BR9913452A (pt) 2001-07-24
ATE228283T1 (de) 2002-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QUALCOMM, INC., SAN DIEGO, CALIF., US

8327 Change in the person/name/address of the patent owner

Owner name: QUALCOMM INCORPORATED (N.D. GES. D. STAATES DE, US