FI115494B - Tukiaseman taajuussynkronointi - Google Patents

Tukiaseman taajuussynkronointi Download PDF

Info

Publication number
FI115494B
FI115494B FI991915A FI19991915A FI115494B FI 115494 B FI115494 B FI 115494B FI 991915 A FI991915 A FI 991915A FI 19991915 A FI19991915 A FI 19991915A FI 115494 B FI115494 B FI 115494B
Authority
FI
Finland
Prior art keywords
base station
clock
local clock
correction factor
network
Prior art date
Application number
FI991915A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI19991915A (fi
Inventor
Alexander Esser
Philip Wesby
Original Assignee
Nokia 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
Priority to FI991915A priority Critical patent/FI115494B/fi
Application filed by Nokia Corp filed Critical Nokia Corp
Priority to JP2001522699A priority patent/JP3806648B2/ja
Priority to EP00958551A priority patent/EP1205041B1/en
Priority to CNB008126151A priority patent/CN1148018C/zh
Priority to PCT/FI2000/000750 priority patent/WO2001018998A1/en
Priority to BR0013802-9A priority patent/BR0013802A/pt
Priority to AU70033/00A priority patent/AU7003300A/en
Priority to DE60040394T priority patent/DE60040394D1/de
Publication of FI19991915A publication Critical patent/FI19991915A/fi
Priority to US10/091,344 priority patent/US6983161B2/en
Priority to US11/073,702 priority patent/US7190963B2/en
Application granted granted Critical
Publication of FI115494B publication Critical patent/FI115494B/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FI991915A 1999-09-08 1999-09-08 Tukiaseman taajuussynkronointi FI115494B (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI991915A FI115494B (fi) 1999-09-08 1999-09-08 Tukiaseman taajuussynkronointi
EP00958551A EP1205041B1 (en) 1999-09-08 2000-09-06 Frequency synchronization of base station
CNB008126151A CN1148018C (zh) 1999-09-08 2000-09-06 在蜂窝无线网络中实现基站频率同步的设备和方法
PCT/FI2000/000750 WO2001018998A1 (en) 1999-09-08 2000-09-06 Frequency synchronization of base station
JP2001522699A JP3806648B2 (ja) 1999-09-08 2000-09-06 ベースステーションの周波数同期
BR0013802-9A BR0013802A (pt) 1999-09-08 2000-09-06 Parte de rede, e, método para realizar sincronização de frequência de uma estação base em uma rede de rádio celular
AU70033/00A AU7003300A (en) 1999-09-08 2000-09-06 Frequency synchronization of base station
DE60040394T DE60040394D1 (de) 1999-09-08 2000-09-06 Frequenzsynchronisation einer basisstation
US10/091,344 US6983161B2 (en) 1999-09-08 2002-03-06 Method for performing frequency synchronization of a base station and a network part
US11/073,702 US7190963B2 (en) 1999-09-08 2005-03-08 Method for performing frequency synchronization of a base station and a network part

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991915A FI115494B (fi) 1999-09-08 1999-09-08 Tukiaseman taajuussynkronointi
FI991915 1999-09-08

Publications (2)

Publication Number Publication Date
FI19991915A FI19991915A (fi) 2001-03-08
FI115494B true FI115494B (fi) 2005-05-13

Family

ID=8555256

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991915A FI115494B (fi) 1999-09-08 1999-09-08 Tukiaseman taajuussynkronointi

Country Status (9)

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

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115494B (fi) * 1999-09-08 2005-05-13 Nokia Corp Tukiaseman taajuussynkronointi
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
SE0004839D0 (sv) * 2000-12-22 2000-12-22 Ericsson Telefon Ab L M Method and communication apparatus in a communication system
WO2002104050A1 (en) * 2001-06-19 2002-12-27 Nokia Corporation Synchronization of a multi-mode base station using a common system clock
US7483450B1 (en) 2002-03-08 2009-01-27 Nortel Networks Limited Method and system for link-based clock synchronization in asynchronous networks
JP3993508B2 (ja) * 2002-12-02 2007-10-17 株式会社エヌ・ティ・ティ・ドコモ 無線アクセスネットワークシステム、無線通信方法、同期サーバ及びノード装置
GB2399263A (en) * 2003-03-07 2004-09-08 Zarlink Semiconductor Ltd Clock synchronisation over a packet network
FI20030477A0 (fi) * 2003-03-31 2003-03-31 Nokia Corp Kehyssynkronointitiedon jakelu tukiasemassa
US20070100473A1 (en) * 2003-07-01 2007-05-03 Freescale Semiconductor Inc. System and method for synchronization of isochronous data streams over a wireless communication link
US7415044B2 (en) * 2003-08-22 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Remote synchronization in packet-switched networks
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
WO2007016031A2 (en) * 2005-07-27 2007-02-08 Conexant Systems, Inc. Flexible scheduling of resources in a noisy environment
US8175190B2 (en) 2005-07-27 2012-05-08 Qualcomm Atheros, Inc. Managing spectra of modulated signals in a communication network
US8737420B2 (en) 2005-07-27 2014-05-27 Sigma Designs Israel S.D.I. Ltd. Bandwidth management in a powerline network
US8553706B2 (en) 2005-07-27 2013-10-08 Coppergate Communications Ltd. Flexible scheduling of resources in a noisy environment
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
JP2012510763A (ja) * 2008-12-03 2012-05-10 ノーテル・ネットワークス・リミテッド 複数の冗長的なｇｎｓｓの同期システム
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
CN105706016B (zh) * 2013-09-11 2019-07-19 欧力天工美国公司 用于时钟同步的系统、方法和移动设备
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE60040394D1 (de) 2008-11-13
WO2001018998A1 (en) 2001-03-15
JP2003509896A (ja) 2003-03-11
CN1148018C (zh) 2004-04-28
BR0013802A (pt) 2002-05-21
JP3806648B2 (ja) 2006-08-09
US20050164743A1 (en) 2005-07-28
AU7003300A (en) 2001-04-10
US6983161B2 (en) 2006-01-03
US20020132631A1 (en) 2002-09-19
EP1205041A1 (en) 2002-05-15
EP1205041B1 (en) 2008-10-01
CN1373945A (zh) 2002-10-09
FI19991915A (fi) 2001-03-08
US7190963B2 (en) 2007-03-13

Similar Documents

Publication Publication Date Title
FI115494B (fi) Tukiaseman taajuussynkronointi
EP1940086B1 (en) Method, ethernet device and ethernet for solving the clock synchronization
US8681772B2 (en) Timing synchronization for networks with radio links
JP5656824B2 (ja) 無線機器（ｒｅ）に基づく同期
JP3514803B2 (ja) 電気通信システム、このシステムに使用するメインステーション及びサブステーション
FI115354B (fi) Kellotaajuuksien sovittaminen riippumattomissa verkoissa
EP1520380B1 (en) Synchronous data transfer system for time-sensitive data in packet-switched networks
KR20110003327A (ko) 통신 디바이스들에 클록을 분배하기 위한 시스템들 및 방법들
WO2009003335A1 (fr) Procédé de synchronisation et de correction de retard entre une unité bande de base et une unité radiofréquence
US9736274B2 (en) Radio over ethernet mapper physical layer device (PHY)
JP3442761B2 (ja) 通信ネットワークを介して結合された通信システムコンポーネントの同期合わせ装置
US11683150B2 (en) Methods, apparatus and computer-readable media for synchronization over an optical network
CA2279318C (en) Air frame synchronisation
KR100688091B1 (ko) 동기식 이더넷에서의 프레임 동기 방법 및 클럭 발생 장치
FI117613B (fi) Tukiaseman taajuussynkronointi
CA2610550A1 (en) A method and system for providing via a data network information data for recovering a clock frequency
US20100098052A1 (en) Radio communication system and radio base station apparatus
KR20160024782A (ko) 수동 광 가입자망에서의 망동기 전달 장치 및 방법
RU2195076C2 (ru) Способ управления задержками распространения сигналов
KR100900846B1 (ko) 패킷 교환 네트워크에서의 시간에 민감한 데이터의 동기 데이터 전송 시스템
Andersson et al. GSM transport evolution

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 115494

Country of ref document: FI