KR100251710B1 - 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 - Google Patents
비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 Download PDFInfo
- Publication number
- KR100251710B1 KR100251710B1 KR1019970031274A KR19970031274A KR100251710B1 KR 100251710 B1 KR100251710 B1 KR 100251710B1 KR 1019970031274 A KR1019970031274 A KR 1019970031274A KR 19970031274 A KR19970031274 A KR 19970031274A KR 100251710 B1 KR100251710 B1 KR 100251710B1
- Authority
- KR
- South Korea
- Prior art keywords
- clock
- jitter
- pdh
- network
- wonder
- 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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- 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]
- H04L12/46—Interconnection of networks
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- 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]
- H04L12/42—Loop networks
- H04L12/427—Loop networks with decentralised control
- H04L12/433—Loop networks with decentralised control with asynchronous transmission, e.g. token ring, register insertion
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (3)
- ATM망으로부터 전송되는 셀을 PDH 데이터 스트림으로 분할하거나 PDH 망으로부터 전송되는 PDH 데이터 스트림을 ATM 셀로 조립하는 기능을 가지는 AAL1-SAR 디바이스(101);상기 ATM망에서 전송되는 셀 스트림내의 동기 정보를 이용하여 클럭을 복원하는 클럭 복구 장치(104);상기 AAL1-SAR 디바이스에서 발생하는 지터를 감소시키기 위한 지터 흡수 장치 (102);상기 동기 복구 블럭에서 복원된 클럭 정보에서 지터나 원더를 감소시킨 클럭을 얻기 위한 클럭 평활 장치(105);상기 PDH 망에서 전송되는 PDH 데이터 프레임을 각 타임슬롯 별로 분할하거나 PDH 데이터 프레임 형태로 조림하는 기능을 가지는 프레이머(103);를 포함하여 구성되는 것이 특징인, 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치.
- 청구항 1에 있어서, 상기 AAL1-SAR 디바이스에서 발생하는 데이터의 지터를 감소시키기위하여 인터페이스의 대역폭에 따라서 상이한 용량을 가지는 선입선출 버퍼로 이루어진 지터 흡수장치를 가지는것이 특징인, 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치.
- 청구항 1에 있어서, 상기 ATM망과 동기된 시스템 클럭을 이용하여 4 비트의 SRTS 코드를 클럭으로 변환하는 기능을 가지는 상기 클럭 복구장치에서 발생하는 전송 클럭 1에서 지터나 원더가 감소된 전송 클럭 2를 얻기위하여디지털 위상 잠금 폐회로와 발진기로 구성되는 클럭 평활 장치;를 추가로 가지는것이 특징인, 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970031274A KR100251710B1 (ko) | 1997-07-07 | 1997-07-07 | 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 |
CNB981159060A CN1190744C (zh) | 1997-07-07 | 1998-07-06 | 降低atm和pdh网络互连的抖动或漂移的方法和设备 |
US09/110,839 US6272138B1 (en) | 1997-07-07 | 1998-07-07 | Method and apparatus for reducing jitter or wander on internetworking between ATM network and PDH network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970031274A KR100251710B1 (ko) | 1997-07-07 | 1997-07-07 | 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990009018A KR19990009018A (ko) | 1999-02-05 |
KR100251710B1 true KR100251710B1 (ko) | 2000-04-15 |
Family
ID=19513548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970031274A Expired - Fee Related KR100251710B1 (ko) | 1997-07-07 | 1997-07-07 | 비동기 전송 모드망과 플레스이오크로너스 디지탈 계층구조망 간의 접속에 따른 지터와 원더 감소 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6272138B1 (ko) |
KR (1) | KR100251710B1 (ko) |
CN (1) | CN1190744C (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535567B1 (en) * | 1998-12-03 | 2003-03-18 | Level One Communications, Inc. | Method and apparatus for suppression of jitter in data transmission systems |
US7251256B1 (en) * | 2000-05-18 | 2007-07-31 | Luminous Networks, Inc. | Synchronization of asynchronous networks using media access control (MAC) layer synchronization symbols |
EP1278339A1 (de) * | 2001-07-20 | 2003-01-22 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur Übermittlung von Daten aus einem ersten Datennetz in ein zweites Datennetz |
GB2387516B (en) * | 2002-04-11 | 2005-03-09 | Cambridge Broadband Ltd | Communication system |
JP3925311B2 (ja) * | 2002-06-03 | 2007-06-06 | ソニー株式会社 | データ配信システム |
KR100493026B1 (ko) * | 2002-09-09 | 2005-06-07 | 삼성전자주식회사 | 전화선 모뎀을 위한 강건한 심벌 타이밍 복구 회로 |
US7239682B2 (en) * | 2002-11-12 | 2007-07-03 | Carnegie Mellon University | Timing recovery system and method |
JP4323873B2 (ja) * | 2003-06-13 | 2009-09-02 | 富士通株式会社 | 入出力インタフェース回路 |
US7385990B2 (en) * | 2003-07-21 | 2008-06-10 | Zarlink Semiconductor Inc. | Method to improve the resolution of time measurements and alignment in packet networks by time modulation |
DE102006060821A1 (de) * | 2006-12-21 | 2008-06-26 | Infineon Technologies Ag | Netzsynchrone Datenschnittstelle |
US9065601B1 (en) * | 2013-03-15 | 2015-06-23 | Xilinx, Inc. | Circuits for and methods of implementing a receiver in an integrated circuit device |
CN103560977B (zh) * | 2013-11-19 | 2016-06-22 | 山东电力工程咨询院有限公司 | 具有输出延迟可精确配置能力的e1成帧控制器及工作方法 |
CN104935405B (zh) * | 2015-05-06 | 2018-08-10 | 天津市德力电子仪器有限公司 | 一种适用于ds-1帧接收侧解析的方法 |
KR20170067581A (ko) * | 2015-12-08 | 2017-06-16 | 삼성전기주식회사 | 손떨림 보정 장치 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU639088B2 (en) | 1990-04-13 | 1993-07-15 | Digital Equipment Corporation | Telecommunications network with plesiochronous transfer mode |
FR2669798B1 (fr) | 1990-11-23 | 1994-09-16 | Lmt Radio Professionelle | Dispositif pour la transmission d'informations synchrones par un reseau asynchrone, notamment un reseau atm. |
FR2682244B1 (fr) | 1991-10-04 | 1995-01-13 | Cit Alcatel | Dispositif de synchronisation pour equipement d'extremite d'un reseau de telecommunications numerique a transfert en mode asynchrone. |
US5287347A (en) | 1992-06-11 | 1994-02-15 | At&T Bell Laboratories | Arrangement for bounding jitter in a priority-based switching system |
US5534937A (en) | 1994-04-14 | 1996-07-09 | Motorola, Inc. | Minimum-delay jitter smoothing device and method for packet video communications |
US5563884A (en) | 1995-03-27 | 1996-10-08 | Zenith Electronics Corporation | Reducing multiplex jitter in an ATM/MPEG system |
US5577039A (en) | 1995-06-07 | 1996-11-19 | Samsung Electronics, Inc. | System and method of signal transmission within a plesiochronous digital hierarchy unit using ATM adaptation layers |
US5640388A (en) | 1995-12-21 | 1997-06-17 | Scientific-Atlanta, Inc. | Method and apparatus for removing jitter and correcting timestamps in a packet stream |
US5751709A (en) * | 1995-12-28 | 1998-05-12 | Lucent Technologies Inc. | Adaptive time slot scheduling apparatus and method for end-points in an ATM network |
US5828414A (en) * | 1996-02-23 | 1998-10-27 | Divicom, Inc. | Reduction of timing jitter in audio-video transport streams |
US5822321A (en) * | 1996-04-10 | 1998-10-13 | Telefonaktiebolaget Lm Ericsson | Minicell segmentation and reassembly |
US5742765A (en) * | 1996-06-19 | 1998-04-21 | Pmc-Sierra, Inc. | Combination local ATM segmentation and reassembly and physical layer device |
-
1997
- 1997-07-07 KR KR1019970031274A patent/KR100251710B1/ko not_active Expired - Fee Related
-
1998
- 1998-07-06 CN CNB981159060A patent/CN1190744C/zh not_active Expired - Fee Related
- 1998-07-07 US US09/110,839 patent/US6272138B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1190744C (zh) | 2005-02-23 |
US6272138B1 (en) | 2001-08-07 |
CN1206153A (zh) | 1999-01-27 |
KR19990009018A (ko) | 1999-02-05 |
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