FI20115249A - Menetelmä ja laite kellosignaalilähteen ohjaamiseksi - Google Patents
Menetelmä ja laite kellosignaalilähteen ohjaamiseksi Download PDFInfo
- Publication number
- FI20115249A FI20115249A FI20115249A FI20115249A FI20115249A FI 20115249 A FI20115249 A FI 20115249A FI 20115249 A FI20115249 A FI 20115249A FI 20115249 A FI20115249 A FI 20115249A FI 20115249 A FI20115249 A FI 20115249A
- Authority
- FI
- Finland
- Prior art keywords
- controlling
- clock signal
- signal source
- source
- clock
- Prior art date
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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115249A FI123505B (fi) | 2011-03-14 | 2011-03-14 | Menetelmä ja laite kellosignaalilähteen ohjaamiseksi |
EP12154139.5A EP2501059B1 (en) | 2011-03-14 | 2012-02-07 | A method and a device for controlling a clock signal generator by receiving time-stamps |
CN201210065904.3A CN102684805B (zh) | 2011-03-14 | 2012-03-13 | 用于控制时钟信号发生器的方法和设备 |
US13/419,478 US8806261B2 (en) | 2011-03-14 | 2012-03-14 | Method and a device for controlling a clock signal generator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115249A FI123505B (fi) | 2011-03-14 | 2011-03-14 | Menetelmä ja laite kellosignaalilähteen ohjaamiseksi |
FI20115249 | 2011-03-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20115249A0 FI20115249A0 (fi) | 2011-03-14 |
FI20115249A true FI20115249A (fi) | 2012-09-15 |
FI123505B FI123505B (fi) | 2013-06-14 |
Family
ID=43806459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20115249A FI123505B (fi) | 2011-03-14 | 2011-03-14 | Menetelmä ja laite kellosignaalilähteen ohjaamiseksi |
Country Status (4)
Country | Link |
---|---|
US (1) | US8806261B2 (fi) |
EP (1) | EP2501059B1 (fi) |
CN (1) | CN102684805B (fi) |
FI (1) | FI123505B (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104253665B (zh) * | 2013-06-28 | 2017-06-13 | 上海贝尔股份有限公司 | 同步设备和包含该设备的同步系统 |
EP2819467A1 (en) * | 2014-06-19 | 2014-12-31 | Kenneth Hann | A method and a device for generating a timing signal |
US11516151B2 (en) | 2019-12-31 | 2022-11-29 | Infinera Oy | Dynamically switching queueing systems for network switches |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4943809B1 (fi) * | 1968-10-25 | 1974-11-25 | ||
SE398698B (sv) * | 1976-04-27 | 1978-01-09 | Ericsson Telefon Ab L M | Anordning for fassynkronisering av en formedlingsstation i ett digitalt telekommunikationsnet |
DE19630398C1 (de) | 1996-07-26 | 1998-02-12 | Siemens Ag | Verfahren zum Synchronisieren eines in einer Datenempfangsstation zu generierenden Taktsignals mit einem in einer Datensendestation verwendeten Taktsignal |
US6449291B1 (en) | 1998-11-24 | 2002-09-10 | 3Com Corporation | Method and apparatus for time synchronization in a communication system |
US7043651B2 (en) | 2001-09-18 | 2006-05-09 | Nortel Networks Limited | Technique for synchronizing clocks in a network |
US7656985B1 (en) | 2002-02-19 | 2010-02-02 | Nortel Networks Limited | Timestamp-based all digital phase locked loop for clock synchronization over packet networks |
US7020791B1 (en) | 2002-09-19 | 2006-03-28 | Nortel Networks Limited | Clock recovery using a double-exponential smoothing process |
EP1595348A1 (en) * | 2003-02-20 | 2005-11-16 | Zarlink Semiconductor Inc. | Alignment of clock domains in packet networks |
GB2400255A (en) * | 2003-03-31 | 2004-10-06 | Sony Uk Ltd | Video synchronisation |
US8432942B1 (en) * | 2003-05-16 | 2013-04-30 | Apple Inc. | Providing a timing source for multiple nodes coupled to a circuit-switched network |
US8064484B2 (en) | 2006-02-01 | 2011-11-22 | Symmetricom, Inc. | Enhanced clock control in packet networks |
FI119165B (fi) * | 2006-12-04 | 2008-08-15 | Tellabs Oy | Menetelmä ja järjestelmä kellosignaalien tahdistamiseksi |
GB2454936B (en) * | 2007-11-23 | 2012-09-19 | Ubiquisys Ltd | Oscillator calibration |
US8275087B2 (en) * | 2008-12-19 | 2012-09-25 | Alcatel Lucent | Frequency synchronization using first and second frequency error estimators |
FI121771B (fi) * | 2009-01-16 | 2011-03-31 | Tellabs Oy | Menetelmä ja järjestely kellosignaalin säätämiseksi |
US8428045B2 (en) * | 2010-03-16 | 2013-04-23 | Harman International Industries, Incorporated | Media clock recovery |
-
2011
- 2011-03-14 FI FI20115249A patent/FI123505B/fi not_active IP Right Cessation
-
2012
- 2012-02-07 EP EP12154139.5A patent/EP2501059B1/en active Active
- 2012-03-13 CN CN201210065904.3A patent/CN102684805B/zh not_active Expired - Fee Related
- 2012-03-14 US US13/419,478 patent/US8806261B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8806261B2 (en) | 2014-08-12 |
FI123505B (fi) | 2013-06-14 |
EP2501059B1 (en) | 2018-12-12 |
CN102684805A (zh) | 2012-09-19 |
EP2501059A1 (en) | 2012-09-19 |
CN102684805B (zh) | 2016-09-21 |
FI20115249A0 (fi) | 2011-03-14 |
US20120239962A1 (en) | 2012-09-20 |
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