CN1819510B - 分布式线缆调制解调器终端系统及部件同步操作的方法 - Google Patents
分布式线缆调制解调器终端系统及部件同步操作的方法 Download PDFInfo
- Publication number
- CN1819510B CN1819510B CN2005100993157A CN200510099315A CN1819510B CN 1819510 B CN1819510 B CN 1819510B CN 2005100993157 A CN2005100993157 A CN 2005100993157A CN 200510099315 A CN200510099315 A CN 200510099315A CN 1819510 B CN1819510 B CN 1819510B
- Authority
- CN
- China
- Prior art keywords
- hub
- clock
- link transmitter
- cable modem
- line receiver
- 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 - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42676—Internal components of the client ; Characteristics thereof for modulating an analogue carrier signal to encode digital information or demodulating it to decode digital information, e.g. ADSL or cable modem
-
- 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
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
-
- 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
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L2007/045—Fill bit or bits, idle words
Abstract
Description
Claims (10)
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60966304P | 2004-09-14 | 2004-09-14 | |
US60/609,663 | 2004-09-14 | ||
US62978104P | 2004-11-20 | 2004-11-20 | |
US60/629,781 | 2004-11-20 | ||
US63553104P | 2004-12-11 | 2004-12-11 | |
US60/635,531 | 2004-12-11 | ||
US11/031,568 US7630357B2 (en) | 2004-09-14 | 2005-01-06 | Synchronization of distributed cable modem network components |
US11/031,568 | 2005-01-06 | ||
US11/061,147 | 2005-02-18 | ||
US11/061,147 US7697546B2 (en) | 2004-09-14 | 2005-02-18 | Synchronization of distributed cable modem network components |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1819510A CN1819510A (zh) | 2006-08-16 |
CN1819510B true CN1819510B (zh) | 2011-05-18 |
Family
ID=34936937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100993157A Expired - Fee Related CN1819510B (zh) | 2004-09-14 | 2005-09-13 | 分布式线缆调制解调器终端系统及部件同步操作的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7826491B2 (zh) |
EP (1) | EP1635493A1 (zh) |
CN (1) | CN1819510B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8473638B2 (en) * | 2008-05-02 | 2013-06-25 | James Aweya | Method and apparatus for time and frequency transfer in communication networks |
CN101431795B (zh) * | 2008-11-29 | 2012-10-10 | 中兴通讯股份有限公司 | 时间同步方法和装置 |
US8935739B1 (en) | 2010-01-22 | 2015-01-13 | Gainespeed, Inc. | Distributed CCAP cable modem termination system |
US8311412B2 (en) * | 2010-01-22 | 2012-11-13 | Selim Shlomo Rakib | Distributed cable modem termination system |
US9887855B2 (en) | 2010-01-22 | 2018-02-06 | Alcatel-Lucent Usa, Inc. | Virtual converged cable access platforms for HFC cable networks |
US8644706B2 (en) | 2010-01-22 | 2014-02-04 | Gainspeed, Inc. | Distributed cable modem termination system with software reconfigurable MAC and PHY capability |
US9584869B2 (en) | 2010-01-22 | 2017-02-28 | Gainspeed, Inc. | Virtual CCAP cable modem termination system with software reconfigurable MAC |
FR2967535B1 (fr) * | 2010-11-15 | 2012-11-02 | Alcatel Lucent | Procede de synchronisation d'horloges maitre et esclave d'un reseau a commutation de paquets et a liaisons agregees entre noeuds, et dispositifs de synchronisation associes |
CN104836712B (zh) * | 2011-03-19 | 2018-10-09 | 加速有限公司 | 分布式电缆调制解调器终端系统 |
CN102845024B (zh) * | 2011-03-19 | 2015-06-17 | 加速有限公司 | 分布式电缆调制解调器终端系统 |
EP2715956B1 (en) * | 2011-05-27 | 2019-09-11 | Cisco Technology, Inc. | Precision timing in a data over cable service interface specification (docsis) system |
US10362081B2 (en) * | 2013-08-30 | 2019-07-23 | Citrix Systems, Inc. | Methods and systems for quantifying the holistic quality of experience for internet multimedia |
US20150078405A1 (en) * | 2013-09-18 | 2015-03-19 | Alcatel Lucent Canada Inc. | Monitoring clock accuracy in asynchronous traffic environments |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019005A1 (en) * | 1999-09-03 | 2001-03-15 | Broadcom Corporation | System and method for the synchronization and distribution of telephony timing information in a cable modem network |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6307868B1 (en) * | 1995-08-25 | 2001-10-23 | Terayon Communication Systems, Inc. | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
US6243369B1 (en) * | 1998-05-06 | 2001-06-05 | Terayon Communication Systems, Inc. | Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream |
US6594305B1 (en) * | 1998-06-30 | 2003-07-15 | Cisco Technology, Inc. | Media access layer ping protocol for diagnosing cable modem links |
US6763032B1 (en) * | 1999-02-12 | 2004-07-13 | Broadcom Corporation | Cable modem system with sample and packet synchronization |
US6501809B1 (en) * | 1999-03-19 | 2002-12-31 | Conexant Systems, Inc. | Producing smoothed clock and data signals from gapped clock and data signals |
US6526070B1 (en) * | 1999-10-09 | 2003-02-25 | Conexant Systems, Inc. | Method and apparatus for upstream burst transmissions synchronization in cable modems |
US20020129378A1 (en) * | 2001-03-08 | 2002-09-12 | Cloonan Thomas J. | Method and apparatus for controlling traffic loading on a cable modem termination system |
US7639617B2 (en) * | 2001-06-27 | 2009-12-29 | Cisco Technology, Inc. | Upstream physical interface for modular cable modem termination system |
US7298762B2 (en) * | 2002-11-15 | 2007-11-20 | Terayon Communication Systems, Inc. | Method for sharing an upstream among multiple downstreams |
US7262645B2 (en) * | 2002-12-19 | 2007-08-28 | Broadcom Corporation | System and method for adjusting the phase of a frequency-locked clock |
US7697546B2 (en) * | 2004-09-14 | 2010-04-13 | Broadcom Corporation | Synchronization of distributed cable modem network components |
-
2005
- 2005-05-25 EP EP05011363A patent/EP1635493A1/en not_active Withdrawn
- 2005-08-31 US US11/216,549 patent/US7826491B2/en not_active Expired - Fee Related
- 2005-09-13 CN CN2005100993157A patent/CN1819510B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001019005A1 (en) * | 1999-09-03 | 2001-03-15 | Broadcom Corporation | System and method for the synchronization and distribution of telephony timing information in a cable modem network |
Also Published As
Publication number | Publication date |
---|---|
US7826491B2 (en) | 2010-11-02 |
US20060056323A1 (en) | 2006-03-16 |
EP1635493A1 (en) | 2006-03-15 |
CN1819510A (zh) | 2006-08-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180511 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: california Patentee before: BROADCOM Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190809 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies General IP (Singapore) Pte. Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 |