FI122945B - Menetelmä ja laitteisto mittauksia varten - Google Patents

Menetelmä ja laitteisto mittauksia varten Download PDF

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Publication number
FI122945B
FI122945B FI20085525A FI20085525A FI122945B FI 122945 B FI122945 B FI 122945B FI 20085525 A FI20085525 A FI 20085525A FI 20085525 A FI20085525 A FI 20085525A FI 122945 B FI122945 B FI 122945B
Authority
FI
Finland
Prior art keywords
time difference
region
estimate
time
measurement message
Prior art date
Application number
FI20085525A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20085525A (fi
FI20085525A0 (fi
Inventor
Heikki Laamanen
Kenneth Hann
Jonas Lundqvist
Mikko Laulainen
Original Assignee
Tellabs Oy
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 Tellabs Oy filed Critical Tellabs Oy
Priority to FI20085525A priority Critical patent/FI122945B/fi
Publication of FI20085525A0 publication Critical patent/FI20085525A0/fi
Priority to EP09160993.3A priority patent/EP2129016B1/fr
Priority to CN200910142619.5A priority patent/CN101594169B/zh
Priority to US12/475,985 priority patent/US7864813B2/en
Publication of FI20085525A publication Critical patent/FI20085525A/fi
Application granted granted Critical
Publication of FI122945B publication Critical patent/FI122945B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H04L7/0012—Synchronisation information channels, e.g. clock distribution lines by comparing receiver clock with transmitter clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • 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
    • 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
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI20085525A 2008-05-30 2008-05-30 Menetelmä ja laitteisto mittauksia varten FI122945B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20085525A FI122945B (fi) 2008-05-30 2008-05-30 Menetelmä ja laitteisto mittauksia varten
EP09160993.3A EP2129016B1 (fr) 2008-05-30 2009-05-25 Procédé et dispositif de mesure du délai dans un système de communication
CN200910142619.5A CN101594169B (zh) 2008-05-30 2009-05-31 用于测量的方法和装备
US12/475,985 US7864813B2 (en) 2008-05-30 2009-06-01 Method and equipment for measurements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20085525 2008-05-30
FI20085525A FI122945B (fi) 2008-05-30 2008-05-30 Menetelmä ja laitteisto mittauksia varten

Publications (3)

Publication Number Publication Date
FI20085525A0 FI20085525A0 (fi) 2008-05-30
FI20085525A FI20085525A (fi) 2009-12-01
FI122945B true FI122945B (fi) 2012-09-14

Family

ID=39523176

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085525A FI122945B (fi) 2008-05-30 2008-05-30 Menetelmä ja laitteisto mittauksia varten

Country Status (4)

Country Link
US (1) US7864813B2 (fr)
EP (1) EP2129016B1 (fr)
CN (1) CN101594169B (fr)
FI (1) FI122945B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120284B (fi) * 2007-07-20 2009-08-31 Tellabs Oy Huojuntapuskurin täyttöasteen säätö
US8750335B2 (en) * 2009-11-20 2014-06-10 Anue Systems, Inc. Method, system and computer program product for measuring a communication from a first device to a second device
WO2013084654A1 (fr) * 2011-12-05 2013-06-13 インターナショナル・ビジネス・マシーンズ・コーポレーション Procédé, programme et système d'exécution de simulation
WO2014041592A1 (fr) * 2012-09-11 2014-03-20 三菱電機株式会社 Dispositif et système de calcul de paramètre de correction, procédé de calcul de paramètre de correction et programme d'ordinateur
EP2736194B1 (fr) * 2012-11-27 2017-09-27 ADVA Optical Networking SE Point de surveillance de latence
CN104767650A (zh) * 2014-01-03 2015-07-08 中国移动通信集团广东有限公司 一种消息网络延迟测算方法及装置
JP6523058B2 (ja) * 2015-06-05 2019-05-29 株式会社東芝 通信システムおよび推定方法
CN109802898B (zh) * 2019-02-01 2022-08-09 深圳市比速智网技术有限公司 多链路数据传输方法、接收装置及存储介质
US11516151B2 (en) 2019-12-31 2022-11-29 Infinera Oy Dynamically switching queueing systems for network switches

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6335927B1 (en) * 1996-11-18 2002-01-01 Mci Communications Corporation System and method for providing requested quality of service in a hybrid network
US6327274B1 (en) * 1998-09-15 2001-12-04 Nokia Telecommunications, Inc. Method for estimating relative skew between clocks in packet networks
US6661810B1 (en) * 1999-03-19 2003-12-09 Verizon Laboratories Inc. Clock skew estimation and removal
GB2399263A (en) 2003-03-07 2004-09-08 Zarlink Semiconductor Ltd Clock synchronisation over a packet network
US7415044B2 (en) 2003-08-22 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Remote synchronization in packet-switched networks
CN1642055A (zh) * 2004-01-17 2005-07-20 华为技术有限公司 Wcdma通信系统中的移动台观测时间差测量方法
EP1785802A1 (fr) 2005-11-10 2007-05-16 ETH Zürich, ETH Transfer Procédé de synchronisation de fréquence
KR20080082891A (ko) * 2007-03-09 2008-09-12 한국전자통신연구원 Ｏｆｄｍａ 시스템에서 부채널 할당 방법 및 그 장치
US7962091B2 (en) * 2008-03-14 2011-06-14 Intel Corporation Resource management and interference mitigation techniques for relay-based wireless networks

Also Published As

Publication number Publication date
US20090296795A1 (en) 2009-12-03
CN101594169A (zh) 2009-12-02
FI20085525A (fi) 2009-12-01
EP2129016B1 (fr) 2018-05-02
FI20085525A0 (fi) 2008-05-30
CN101594169B (zh) 2014-09-10
EP2129016A2 (fr) 2009-12-02
US7864813B2 (en) 2011-01-04
EP2129016A3 (fr) 2017-05-17

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