DE69432171D1 - Verfahren und Schaltungsanordnung zur Realisierung der Anpassungsfunktion eines höheren Pfades in Einrichtungen der synchronen digitalen Hierarchie - Google Patents
Verfahren und Schaltungsanordnung zur Realisierung der Anpassungsfunktion eines höheren Pfades in Einrichtungen der synchronen digitalen HierarchieInfo
- Publication number
- DE69432171D1 DE69432171D1 DE69432171T DE69432171T DE69432171D1 DE 69432171 D1 DE69432171 D1 DE 69432171D1 DE 69432171 T DE69432171 T DE 69432171T DE 69432171 T DE69432171 T DE 69432171T DE 69432171 D1 DE69432171 D1 DE 69432171D1
- Authority
- DE
- Germany
- Prior art keywords
- realizing
- devices
- circuit arrangement
- synchronous digital
- digital hierarchy
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT93MI002708A IT1265424B1 (it) | 1993-12-22 | 1993-12-22 | Metodo e disposizione ciruitale di realizzazione della funzione di hpa negli apparati sdh |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69432171D1 true DE69432171D1 (de) | 2003-04-03 |
DE69432171T2 DE69432171T2 (de) | 2003-10-23 |
Family
ID=11367386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69432171T Expired - Lifetime DE69432171T2 (de) | 1993-12-22 | 1994-12-05 | Verfahren und Schaltungsanordnung zur Realisierung der Anpassungsfunktion eines höheren Pfades in Einrichtungen der synchronen digitalen Hierarchie |
Country Status (6)
Country | Link |
---|---|
US (1) | US5777998A (de) |
EP (1) | EP0660554B1 (de) |
CN (1) | CN1312894C (de) |
CA (1) | CA2136275A1 (de) |
DE (1) | DE69432171T2 (de) |
IT (1) | IT1265424B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9509216D0 (en) * | 1995-05-05 | 1995-06-28 | Plessey Telecomm | Retiming arrangement for SDH data transmission system |
DE19653261A1 (de) * | 1996-12-20 | 1998-06-25 | Alsthom Cge Alcatel | Synchrones digitales Nachrichtenübertragungssystem, Steuerungseinrichtung, Netzelement und zentraler Taktgenerator |
DE19732943A1 (de) * | 1997-07-31 | 1999-02-04 | Alsthom Cge Alcatel | Verfahren und Komponente zum Ausgleich von Frequenz- und Phasenschwankungen |
JPH11239113A (ja) * | 1998-02-24 | 1999-08-31 | Fujitsu Ltd | Sdh伝送方式における擬似同期防止方法並びに擬似同期防止式sdh伝送システム及び擬似同期防止式sdh伝送システムにおける送受信装置 |
US6377586B1 (en) * | 1998-09-15 | 2002-04-23 | Samsung Electronics Co., Ltd. | Time switching circuit of synchronous super high speed transmission apparatus and controlling method thereof |
EP1041760A1 (de) * | 1999-03-29 | 2000-10-04 | Lucent Technologies Inc. | Detektion und Ausgleichen von Diskontinuitäten in Eintrittsrahmen-Verschiebung für Tandemschaltung Spurverwaltung |
KR100318904B1 (ko) | 2000-01-10 | 2001-12-29 | 윤종용 | 동기 디지탈 하이어라키 시스템의 애드/드롭 크로스커넥션 장치 |
JP3703353B2 (ja) * | 2000-01-19 | 2005-10-05 | アンリツ株式会社 | Sdh信号発生装置 |
CN1323496C (zh) * | 2002-05-23 | 2007-06-27 | 中兴通讯股份有限公司 | 同步数字体系光传输系统中电路业务自动指配的方法 |
CN1301599C (zh) * | 2002-06-04 | 2007-02-21 | 中兴通讯股份有限公司 | 上支路信号复帧与指针定位的方法 |
US6965612B2 (en) * | 2002-12-18 | 2005-11-15 | Transwitch Corporation | Methods and apparatus for the hardware implementation of virtual concatenation and link capacity adjustment over SONET/SDH frames |
ATE358367T1 (de) * | 2004-06-04 | 2007-04-15 | Cit Alcatel | Netzelement mit verbesserter, niedriger ordnung, schaltungsanordnung und verfahren zum querverbinden von signalen in einem netzelement |
US7839885B2 (en) * | 2005-04-25 | 2010-11-23 | Lsi Corporation | Connection memory for tributary time-space switches |
CN101326750B (zh) * | 2005-12-22 | 2012-06-20 | 日本电信电话株式会社 | 光传输系统及方法 |
CN102014314B (zh) * | 2010-03-05 | 2013-06-19 | 柳州市达迪通信设备有限公司 | 一种适用于sdh中au/tu指针生成控制的系统 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451917A (en) * | 1981-01-15 | 1984-05-29 | Lynch Communication Systems, Inc. | Method and apparatus for pulse train synchronization in PCM transceivers |
BE1000415A7 (nl) * | 1987-03-18 | 1988-11-22 | Bell Telephone Mfg | Asynchroon op basis van tijdsverdeling werkend communicatiesysteem. |
US5142529A (en) * | 1988-12-09 | 1992-08-25 | Transwitch Corporation | Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency |
DE3842694A1 (de) * | 1988-12-19 | 1990-06-21 | Standard Elektrik Lorenz Ag | Demultiplexer mit schaltung zur verringerung des wartezeitjitters |
US5018132A (en) * | 1989-05-12 | 1991-05-21 | Alcatel Na Network Systems Corp. | SONET 4h byte receiver and filter |
US5001708A (en) * | 1989-05-12 | 1991-03-19 | Alcatel Na | Sonet H4 byte generator |
US5081654A (en) * | 1989-05-12 | 1992-01-14 | Alcatel Na Network Systems Corp. | Parallel bit detection circuit for detecting frame synchronization information imbedded within a serial bit stream and method for carrying out same |
DE3934248A1 (de) * | 1989-10-13 | 1991-04-18 | Standard Elektrik Lorenz Ag | Multiplexer und demultiplexer, insbesondere fuer nachrichtenuebertragungs-netze mit einer synchronen hierarchie der digitalsignale |
ATE193791T1 (de) * | 1990-03-14 | 2000-06-15 | Cit Alcatel | Phasenverriegelte schleifenanordnung |
US5033044A (en) * | 1990-05-15 | 1991-07-16 | Alcatel Na Network Systems Corp. | System for aligning transmission facility framing bits to the sonet H4 multiframe indicator byte |
DE4025004A1 (de) * | 1990-08-07 | 1992-02-13 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zum regenerieren und synchronisieren eines digitalen signals |
JP2723699B2 (ja) * | 1991-07-31 | 1998-03-09 | 日本電気株式会社 | Tu−3ポインター付替処理方式 |
US5200982A (en) * | 1991-10-02 | 1993-04-06 | Alcatel Network Systems, Inc. | In-line piece-wise linear desynchronizer |
US5210762A (en) * | 1991-10-02 | 1993-05-11 | Alcatel Network Systems, Inc. | Sonet pointer interpretation system and method |
GB9127116D0 (en) * | 1991-12-20 | 1992-02-19 | Jahromi Fazlollah R | Interconnecting communications networks |
EP0562183A1 (de) * | 1992-03-27 | 1993-09-29 | ALCATEL BELL Naamloze Vennootschap | Synchronisierungsverfahren und Anordnung zur Herstellung des Verfahren |
EP0578315A1 (de) * | 1992-07-09 | 1994-01-12 | Philips Patentverwaltung GmbH | Synchrones Übertragungssystem |
US5402452A (en) * | 1992-08-25 | 1995-03-28 | Alcatel Network Systems, Inc. | Incremental phase smoothing desynchronizer and calculation apparatus |
US5285206A (en) * | 1992-08-25 | 1994-02-08 | Alcatel Network Systems, Inc. | Phase detector for elastic store |
US5404380A (en) * | 1992-08-25 | 1995-04-04 | Alcatel Network Systems, Inc. | Desynchronizer for adjusting the read data rate of payload data received over a digital communication network transmitting payload data within frames |
DE4229148A1 (de) * | 1992-09-01 | 1994-03-03 | Sel Alcatel Ag | Digitaler Phasenkomparator und Phasenregelkreis |
US5349310A (en) * | 1993-06-09 | 1994-09-20 | Alcatel Network Systems, Inc. | Digitally controlled fractional frequency synthesizer |
-
1993
- 1993-12-22 IT IT93MI002708A patent/IT1265424B1/it active IP Right Grant
-
1994
- 1994-11-21 CA CA002136275A patent/CA2136275A1/en not_active Abandoned
- 1994-11-23 US US08/344,083 patent/US5777998A/en not_active Expired - Lifetime
- 1994-12-01 CN CNB941190315A patent/CN1312894C/zh not_active Expired - Fee Related
- 1994-12-05 EP EP94119158A patent/EP0660554B1/de not_active Expired - Lifetime
- 1994-12-05 DE DE69432171T patent/DE69432171T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1125369A (zh) | 1996-06-26 |
ITMI932708A1 (it) | 1995-06-22 |
CN1312894C (zh) | 2007-04-25 |
EP0660554A2 (de) | 1995-06-28 |
US5777998A (en) | 1998-07-07 |
IT1265424B1 (it) | 1996-11-22 |
ITMI932708A0 (it) | 1993-12-22 |
EP0660554A3 (de) | 1996-10-09 |
DE69432171T2 (de) | 2003-10-23 |
EP0660554B1 (de) | 2003-02-26 |
CA2136275A1 (en) | 1995-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |