KR100718380B1 - 시간 변조에 의해 패킷 네트워크에 있어서 시간 측정 및정렬의 해상도를 향상시키기 위한 방법 및 장치 - Google Patents
시간 변조에 의해 패킷 네트워크에 있어서 시간 측정 및정렬의 해상도를 향상시키기 위한 방법 및 장치 Download PDFInfo
- Publication number
- KR100718380B1 KR100718380B1 KR1020040056894A KR20040056894A KR100718380B1 KR 100718380 B1 KR100718380 B1 KR 100718380B1 KR 1020040056894 A KR1020040056894 A KR 1020040056894A KR 20040056894 A KR20040056894 A KR 20040056894A KR 100718380 B1 KR100718380 B1 KR 100718380B1
- Authority
- KR
- South Korea
- Prior art keywords
- receiver
- clock
- network
- packet
- time
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
-
- 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
- H04L27/00—Modulated-carrier systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/624,068 | 2003-07-21 | ||
| US10/624,068 US7385990B2 (en) | 2003-07-21 | 2003-07-21 | Method to improve the resolution of time measurements and alignment in packet networks by time modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050010719A KR20050010719A (ko) | 2005-01-28 |
| KR100718380B1 true KR100718380B1 (ko) | 2007-05-14 |
Family
ID=34079923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040056894A Expired - Fee Related KR100718380B1 (ko) | 2003-07-21 | 2004-07-21 | 시간 변조에 의해 패킷 네트워크에 있어서 시간 측정 및정렬의 해상도를 향상시키기 위한 방법 및 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7385990B2 (enExample) |
| JP (1) | JP4214089B2 (enExample) |
| KR (1) | KR100718380B1 (enExample) |
| CN (1) | CN100338902C (enExample) |
| DE (1) | DE102004036896B4 (enExample) |
| FR (1) | FR2858730B1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7742505B2 (en) * | 2005-12-14 | 2010-06-22 | Adtran, Inc. | Systems and methods for enabling clock signal synchronization |
| EP2613473B1 (en) * | 2006-02-13 | 2014-08-13 | Belair Networks Inc. | System and method for packet timing of circuit emulation services over networks |
| US8050084B2 (en) | 2006-09-05 | 2011-11-01 | Samsung Electronics Co., Ltd. | Nonvolatile memory device, storage system having the same, and method of driving the nonvolatile memory device |
| US8442074B1 (en) | 2007-04-02 | 2013-05-14 | Adtran, Inc. | Systems and methods for passing timing information over packet networks |
| JP2009224374A (ja) * | 2008-03-13 | 2009-10-01 | Oki Semiconductor Co Ltd | Peb装置及びその制御方法 |
| WO2012003481A1 (en) | 2010-07-02 | 2012-01-05 | Huawei Technologies Co., Ltd. | Method for accurate distribution of time to a receiver node in an access network |
| CN120768495A (zh) * | 2025-05-21 | 2025-10-10 | 北京北斗邦泰科技有限公司 | 一种网络时间服务器授时精度评价方法及系统 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040056894A (ko) * | 2002-12-24 | 2004-07-01 | 주식회사 엘지화학 | 회분식 공정에 의한 방향족 비닐-불포화 디카르복실산이미드 공중합체의 제조방법 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3483330A (en) * | 1966-05-11 | 1969-12-09 | Bell Telephone Labor Inc | Network synchronization in a time division switching system |
| US4103234A (en) * | 1967-11-24 | 1978-07-25 | General Dynamics Corp. | System for transmission storage and/or multiplexing of information |
| US3970558A (en) * | 1974-02-21 | 1976-07-20 | Kai Sing Lee | Frying grease reclaimer |
| US3940558A (en) | 1975-01-31 | 1976-02-24 | Digital Communications Corporation | Remote master/slave station clock |
| JPS594900B2 (ja) * | 1979-09-03 | 1984-02-01 | 日本電気株式会社 | クロック再生回路 |
| US4322842A (en) * | 1979-10-23 | 1982-03-30 | Altran Electronics | Broadcast system for distribution automation and remote metering |
| US4530091A (en) * | 1983-07-08 | 1985-07-16 | At&T Bell Laboratories | Synchronization of real-time clocks in a packet switching system |
| US4961188A (en) * | 1989-09-07 | 1990-10-02 | Bell Communications Research, Inc. | Synchronous frequency encoding technique for clock timing recovery in a broadband network |
| JPH05110573A (ja) | 1991-10-14 | 1993-04-30 | Sumitomo Wiring Syst Ltd | 自動車のデータ通信方法 |
| US5353313A (en) * | 1992-04-10 | 1994-10-04 | At&T Bell Laboratories | Transmission of a clock signal over an asynchronous data channel |
| US5260978A (en) * | 1992-10-30 | 1993-11-09 | Bell Communications Research, Inc. | Synchronous residual time stamp for timing recovery in a broadband network |
| CN1064205C (zh) * | 1993-08-27 | 2001-04-04 | 清华大学 | 二次扣除式码速恢复方法和电路 |
| US5469466A (en) * | 1994-01-18 | 1995-11-21 | Hewlett-Packard Company | System for highly repeatable clock parameter recovery from data modulated signals |
| US5671258A (en) * | 1994-12-20 | 1997-09-23 | 3Com Corporation | Clock recovery circuit and receiver using same |
| 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 |
| US6665308B1 (en) * | 1995-08-25 | 2003-12-16 | Terayon Communication Systems, Inc. | Apparatus and method for equalization in distributed digital data transmission systems |
| US5822317A (en) * | 1995-09-04 | 1998-10-13 | Hitachi, Ltd. | Packet multiplexing transmission apparatus |
| CA2160172A1 (en) | 1995-10-10 | 1997-04-11 | Jozef Z. Babiarz | End-to-end clock recovery for atm networks |
| WO1998005139A1 (de) | 1996-07-24 | 1998-02-05 | Robert Bosch Gmbh | Verfahren zur synchronisierung von daten, schnittstellen zur übertragung und zum empfang |
| US5889490A (en) * | 1996-08-05 | 1999-03-30 | Wachter; Eric A. | Method and apparatus for improved ranging |
| CN1064497C (zh) * | 1996-09-20 | 2001-04-11 | 清华大学 | 一种码速调整的接收端信息时钟恢复方法和电路 |
| US6101195A (en) * | 1997-05-28 | 2000-08-08 | Sarnoff Corporation | Timing correction method and apparatus |
| KR100251710B1 (ko) * | 1997-07-07 | 2000-04-15 | 윤종용 | 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 |
| US6426947B1 (en) * | 1998-10-21 | 2002-07-30 | Kim K. Banker | Apparatus and method for unilateral topology discovery in network management |
| EP1078495A1 (en) | 1998-05-22 | 2001-02-28 | Winnet Mcs, Inc. | Method and apparatus for synchronizing fast ethernet data packets to radio frames |
| US6278699B1 (en) * | 1998-06-22 | 2001-08-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Synchronization techniques and systems for spread spectrum radiocommunication |
| US6690740B1 (en) | 1998-08-19 | 2004-02-10 | Telefonaktiebolaget L M Ericsson | Methods and apparatus for providing robust synchronization of radio transceivers |
| AU2001274820A1 (en) * | 2000-05-26 | 2001-12-11 | Xtremespectrum, Inc. | A low power, high resolution timing generator for ultrawide bandwidth communication systems |
| JP3668160B2 (ja) | 2001-08-14 | 2005-07-06 | 日本電信電話株式会社 | 無線パケット通信用周波数チャネル識別方法、無線パケット通信用受信装置 |
| GB0205350D0 (en) * | 2002-03-07 | 2002-04-24 | Zarlink Semiconductor Inc | Clock synchronisation over a packet network using SRTS without a common network clock |
| EP1595348A1 (en) * | 2003-02-20 | 2005-11-16 | Zarlink Semiconductor Inc. | Alignment of clock domains in packet networks |
| US7023817B2 (en) * | 2003-03-11 | 2006-04-04 | Motorola, Inc. | Method and apparatus for source device synchronization in a communication system |
| US7230981B2 (en) * | 2003-05-09 | 2007-06-12 | Stmicroelectronics, Inc. | Integrated data jitter generator for the testing of high-speed serial interfaces |
-
2003
- 2003-07-21 US US10/624,068 patent/US7385990B2/en not_active Expired - Lifetime
-
2004
- 2004-07-20 CN CNB2004100708011A patent/CN100338902C/zh not_active Expired - Fee Related
- 2004-07-20 DE DE102004036896A patent/DE102004036896B4/de not_active Expired - Fee Related
- 2004-07-21 JP JP2004213541A patent/JP4214089B2/ja not_active Expired - Fee Related
- 2004-07-21 FR FR0408064A patent/FR2858730B1/fr not_active Expired - Fee Related
- 2004-07-21 KR KR1020040056894A patent/KR100718380B1/ko not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040056894A (ko) * | 2002-12-24 | 2004-07-01 | 주식회사 엘지화학 | 회분식 공정에 의한 방향족 비닐-불포화 디카르복실산이미드 공중합체의 제조방법 |
Non-Patent Citations (2)
| Title |
|---|
| 1020040056894 - 727740 |
| 9962226 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050010719A (ko) | 2005-01-28 |
| FR2858730A1 (fr) | 2005-02-11 |
| JP2005051771A (ja) | 2005-02-24 |
| DE102004036896B4 (de) | 2009-08-20 |
| CN1578210A (zh) | 2005-02-09 |
| US7385990B2 (en) | 2008-06-10 |
| FR2858730B1 (fr) | 2006-05-26 |
| DE102004036896A1 (de) | 2005-03-17 |
| JP4214089B2 (ja) | 2009-01-28 |
| CN100338902C (zh) | 2007-09-19 |
| US20050053076A1 (en) | 2005-03-10 |
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