DE60040394D1 - Frequenzsynchronisation einer basisstation - Google Patents

Frequenzsynchronisation einer basisstation

Info

Publication number
DE60040394D1
DE60040394D1 DE60040394T DE60040394T DE60040394D1 DE 60040394 D1 DE60040394 D1 DE 60040394D1 DE 60040394 T DE60040394 T DE 60040394T DE 60040394 T DE60040394 T DE 60040394T DE 60040394 D1 DE60040394 D1 DE 60040394D1
Authority
DE
Germany
Prior art keywords
base station
frequency synchronization
synchronization
frequency
station
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
DE60040394T
Other languages
English (en)
Inventor
Philip Wesby
Alexander Esser
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60040394D1 publication Critical patent/DE60040394D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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
DE60040394T 1999-09-08 2000-09-06 Frequenzsynchronisation einer basisstation Expired - Lifetime DE60040394D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991915A FI115494B (fi) 1999-09-08 1999-09-08 Tukiaseman taajuussynkronointi
PCT/FI2000/000750 WO2001018998A1 (en) 1999-09-08 2000-09-06 Frequency synchronization of base station

Publications (1)

Publication Number Publication Date
DE60040394D1 true DE60040394D1 (de) 2008-11-13

Family

ID=8555256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040394T Expired - Lifetime DE60040394D1 (de) 1999-09-08 2000-09-06 Frequenzsynchronisation einer basisstation

Country Status (9)

Country Link
US (2) US6983161B2 (de)
EP (1) EP1205041B1 (de)
JP (1) JP3806648B2 (de)
CN (1) CN1148018C (de)
AU (1) AU7003300A (de)
BR (1) BR0013802A (de)
DE (1) DE60040394D1 (de)
FI (1) FI115494B (de)
WO (1) WO2001018998A1 (de)

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AU773713B2 (en) * 2000-08-24 2004-06-03 Asulab S.A. Method for telephone communication between a portable object with horological functions and telephone and dedicated server, and portable object for implementation of the same
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EP1410663A1 (de) 2001-06-19 2004-04-21 Nokia Corporation Synchronisation einer multimodus-basisstation unter verwendung eines gemeinsamen systemtakts
US7483450B1 (en) 2002-03-08 2009-01-27 Nortel Networks Limited Method and system for link-based clock synchronization in asynchronous networks
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FI20030477A0 (fi) * 2003-03-31 2003-03-31 Nokia Corp Kehyssynkronointitiedon jakelu tukiasemassa
WO2005006090A1 (en) * 2003-07-01 2005-01-20 Freescale Semiconductor, Inc. Synchronization of data streams over a wireless network
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US7394830B2 (en) * 2003-09-11 2008-07-01 Cisco Technology, Inc. System for synchronizing circuitry in an access network
US8090857B2 (en) 2003-11-24 2012-01-03 Qualcomm Atheros, Inc. Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks
US7970020B2 (en) * 2004-10-27 2011-06-28 Telefonaktiebolaget Lm Ericsson (Publ) Terminal having plural playback pointers for jitter buffer
US8228956B2 (en) 2005-04-19 2012-07-24 Alcatel Lucent Time stamp offset in data packet bundling
US8737420B2 (en) 2005-07-27 2014-05-27 Sigma Designs Israel S.D.I. Ltd. Bandwidth management in a powerline network
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US8175190B2 (en) 2005-07-27 2012-05-08 Qualcomm Atheros, Inc. Managing spectra of modulated signals in a communication network
CN101227338B (zh) * 2005-12-22 2010-12-08 阿尔卡特公司 数据包捆绑中的时戳偏移
US20070177572A1 (en) * 2006-01-31 2007-08-02 Werenka Leon K Method and system for reporting synchronization status in a network of RF receivers
US20070189428A1 (en) * 2006-02-14 2007-08-16 Knerr Barry F Method and system for automatically calibrating a clock oscillator in a base station
WO2007120089A1 (en) * 2006-04-13 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Network synchronisation supervision
CN101043315B (zh) * 2006-06-12 2011-08-03 华为技术有限公司 一种网络时钟同步装置、系统及方法
CN1972182B (zh) * 2006-12-04 2010-04-14 中国科学院计算技术研究所 一种提高无线传感器网络时间同步精度的方法
KR100805815B1 (ko) * 2006-12-08 2008-02-21 한국전자통신연구원 분산중계기의 주파수 일치 장치 및 그 방법
US9597019B2 (en) 2007-02-09 2017-03-21 Lifescan, Inc. Method of ensuring date and time on a test meter is accurate
US20080292530A1 (en) * 2007-05-11 2008-11-27 The Government Of Us, As Represented By The Secretary Of The Navy Calcination of carbon nanotube compositions
US7920881B2 (en) * 2007-05-15 2011-04-05 2Wire, Inc. Clock synchronization for a wireless communications system
US8804606B2 (en) * 2008-08-11 2014-08-12 Gilat Satellite Networks Ltd. Transparent mesh overlay in hub-spoke satellite networks
CN103064109B (zh) * 2008-11-04 2017-07-18 费尔菲尔德工业公司 用于校正节点地震数据采集单元中的计时功能的方法和装置
EP2361487A1 (de) * 2008-12-03 2011-08-31 Nortel Networks Limited Redundantes synchronisationssystem für mehrfache gnss
CN101478341B (zh) * 2009-02-12 2012-10-17 华为技术有限公司 实现基站时钟同步的方法及装置
CN105898857B (zh) * 2009-06-23 2021-05-07 北京三星通信技术研究有限公司 一种数据同步方法和系统
CN102088397B (zh) * 2009-12-03 2012-09-26 中兴通讯股份有限公司 通信网元、时钟频率校正系统及校正方法
US20120309415A1 (en) * 2010-07-21 2012-12-06 Zulutime, Llc Multipath compensation within geolocation of mobile devices
CN102932904B (zh) * 2011-08-09 2017-04-12 中兴通讯股份有限公司 一种实现基站和终端同步的方法、系统、终端及装置
US9282471B2 (en) 2012-03-21 2016-03-08 Digimarc Corporation Positioning systems for wireless networks
CN102769617A (zh) 2012-07-12 2012-11-07 华为技术有限公司 一种接入设备和系统、及数据发送方法
US9484980B1 (en) * 2012-12-03 2016-11-01 Sprint Communications Company L.P. Precision timing source back-up for loss of GPS satellites
US10263720B2 (en) 2013-09-11 2019-04-16 Audio-Technica U.S., Inc. Maintaining clock synchronization in a digital network without continuous transmission
US9436214B2 (en) * 2013-11-12 2016-09-06 Qualcomm Incorporated System and methods of reducing energy consumption by synchronizing sensors
CN104918307B (zh) * 2015-04-15 2019-05-14 深圳市金立通信设备有限公司 一种终端
CN107786293B (zh) * 2016-08-29 2020-10-16 中兴通讯股份有限公司 时间同步方法、主时钟设备、从时钟设备及时间同步系统
US10999054B2 (en) * 2018-12-21 2021-05-04 Motorola Solutions, Inc. Method for synchronizing radio frequency carrier correction of dynamic radio frequency carriers

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US4142069A (en) * 1977-06-20 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Time reference distribution technique
JP2989378B2 (ja) 1992-07-06 1999-12-13 富士通株式会社 移動体通信網の同期方式
JPH0738606B2 (ja) * 1992-10-30 1995-04-26 日本電気株式会社 衛星通信方式
JPH07280971A (ja) 1994-04-07 1995-10-27 Nissin Electric Co Ltd 時刻同期機能付き監視制御システム
US5566180A (en) * 1994-12-21 1996-10-15 Hewlett-Packard Company Method for recognizing events and synchronizing clocks
JP3463460B2 (ja) * 1996-05-20 2003-11-05 ヤマハ株式会社 データ伝送方式
JPH10190562A (ja) 1996-12-26 1998-07-21 Toshiba Corp 移動通信システムの基地局間フレーム同期方式およびこの方式を適用した基地局装置
JPH10322259A (ja) * 1997-05-19 1998-12-04 Matsushita Electric Ind Co Ltd デジタルコードレス通信システム
US6111878A (en) * 1997-11-04 2000-08-29 Alcatel Low jitter timing recovery technique and device for asynchronous transfer mode (ATM) constant bit rate (CBR) payloads
US5958060A (en) * 1998-01-02 1999-09-28 General Electric Company Method and apparatus for clock control and synchronization
JP3358528B2 (ja) * 1998-03-27 2002-12-24 ヤマハ株式会社 通信装置及び通信方法
US6654356B1 (en) * 1998-10-29 2003-11-25 Agilent Technologies, Inc. Distributed control system architecture based on synchronized clocks
FR2785751A1 (fr) 1998-11-05 2000-05-12 Thomson Multimedia Sa Procede de synchronisation d'une horloge locale d'un appareil sur l'horloge d'un reseau de communication sans fil et dispositif de synchronisation associe
FR2786964B1 (fr) 1998-12-03 2001-01-05 Cit Alcatel Procede et systeme pour asservir une frequence via un reseau de transmission asynchrone et reseau radiotelephonique incluant ce systeme
US6542754B1 (en) * 1999-05-12 2003-04-01 Cisco Systems, Inc. Synchronizing clock signals in wireless networks
FI115494B (fi) * 1999-09-08 2005-05-13 Nokia Corp Tukiaseman taajuussynkronointi
JP3407707B2 (ja) 1999-12-20 2003-05-19 日本電気株式会社 垂直配向型マルチドメイン液晶表示装置

Also Published As

Publication number Publication date
EP1205041A1 (de) 2002-05-15
CN1373945A (zh) 2002-10-09
US20050164743A1 (en) 2005-07-28
CN1148018C (zh) 2004-04-28
EP1205041B1 (de) 2008-10-01
US6983161B2 (en) 2006-01-03
JP3806648B2 (ja) 2006-08-09
WO2001018998A1 (en) 2001-03-15
FI115494B (fi) 2005-05-13
AU7003300A (en) 2001-04-10
JP2003509896A (ja) 2003-03-11
US20020132631A1 (en) 2002-09-19
BR0013802A (pt) 2002-05-21
US7190963B2 (en) 2007-03-13
FI19991915A (fi) 2001-03-08

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