DE69227820D1 - Sonet DS-N-Desynchronisiereinrichtung - Google Patents
Sonet DS-N-DesynchronisiereinrichtungInfo
- Publication number
- DE69227820D1 DE69227820D1 DE69227820T DE69227820T DE69227820D1 DE 69227820 D1 DE69227820 D1 DE 69227820D1 DE 69227820 T DE69227820 T DE 69227820T DE 69227820 T DE69227820 T DE 69227820T DE 69227820 D1 DE69227820 D1 DE 69227820D1
- Authority
- DE
- Germany
- Prior art keywords
- desynchronizer
- sonet
- 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
- H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
- H04J3/076—Bit and byte stuffing, e.g. SDH/PDH desynchronisers, bit-leaking
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77442391A | 1991-10-10 | 1991-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69227820D1 true DE69227820D1 (de) | 1999-01-21 |
DE69227820T2 DE69227820T2 (de) | 1999-05-12 |
Family
ID=25101186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69227820T Expired - Lifetime DE69227820T2 (de) | 1991-10-10 | 1992-02-28 | Sonet DS-N-Desynchronisiereinrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5311511A (de) |
EP (1) | EP0536464B1 (de) |
JP (1) | JP3092352B2 (de) |
CA (1) | CA2080267C (de) |
DE (1) | DE69227820T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390180A (en) * | 1991-10-10 | 1995-02-14 | Nec America, Inc. | SONET DS-N desynchronizer |
DE69225320T2 (de) * | 1992-09-25 | 1998-11-19 | Ibm | Adapter zum Anschluss an ein "clear channel"-Übertragungsnetz |
CA2125113A1 (en) * | 1993-08-31 | 1995-03-01 | Francesco Ledda | Method and circuitry for aligning the phase of high-speed clocks in telecommunications systems |
JP3765547B2 (ja) * | 1993-10-29 | 2006-04-12 | ハイニックス セミコンダクター アメリカ インコーポレイテッド | Fifo状態インジケータ |
GB9323187D0 (en) * | 1993-11-10 | 1994-01-05 | Northern Telecom Ltd | Pointer justification even leak control |
US5457717A (en) * | 1993-11-29 | 1995-10-10 | Dsc Communications Corporation | Apparatus and method for eliminating mapping jitter |
US5428649A (en) * | 1993-12-16 | 1995-06-27 | International Business Machines Corporation | Elastic buffer with bidirectional phase detector |
US5526359A (en) * | 1993-12-30 | 1996-06-11 | Dsc Communications Corporation | Integrated multi-fabric digital cross-connect timing architecture |
US5548534A (en) * | 1994-07-08 | 1996-08-20 | Transwitch Corporation | Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal |
US5583894A (en) * | 1995-03-20 | 1996-12-10 | Vlsi Technology, Inc. | Slip buffer for synchronizing data transfer between two devices |
US5699391A (en) * | 1995-05-31 | 1997-12-16 | Dsc Communications Corporation | Digital desynchronizer |
GB2303981A (en) * | 1995-07-29 | 1997-03-05 | Northern Telecom Ltd | Broadcast video desynchroniser |
JP3141760B2 (ja) * | 1995-12-06 | 2001-03-05 | ヤマハ株式会社 | デジタルpll回路 |
US6061411A (en) * | 1995-12-22 | 2000-05-09 | Compaq Computer Corporation | Method and apparatus for synchronizing a serial bus clock to a serial bus function clock |
US5878039A (en) * | 1996-04-24 | 1999-03-02 | Nec America, Inc. | Bus rate adaptation and time slot assignment circuit for a sonet multiplex system |
US6064706A (en) * | 1996-05-01 | 2000-05-16 | Alcatel Usa, Inc. | Apparatus and method of desynchronizing synchronously mapped asynchronous data |
DK150796A (da) * | 1996-12-23 | 1998-06-24 | Dsc Communications As | Digital faselåst sløjfe og fremgangsmåde til regulering af en sådan, samt fremgangsmåde og modtagekredsløb til desynkronise |
US6088413A (en) * | 1997-05-09 | 2000-07-11 | Alcatel | Apparatus for reducing jitter in a desynchronizer |
JPH11355233A (ja) * | 1998-06-05 | 1999-12-24 | Nec Miyagi Ltd | Sonetデータ入力をsonetに非同期なds−nデータ出力に変換する装置 |
US6816934B2 (en) * | 2000-12-22 | 2004-11-09 | Hewlett-Packard Development Company, L.P. | Computer system with registered peripheral component interconnect device for processing extended commands and attributes according to a registered peripheral component interconnect protocol |
ES2145721B1 (es) * | 1998-10-28 | 2001-03-01 | Telefonica Sa | Recuperador de reloj basado en sintesis digital directa para el metodo adaptativo. |
US6744764B1 (en) | 1999-12-16 | 2004-06-01 | Mapletree Networks, Inc. | System for and method of recovering temporal alignment of digitally encoded audio data transmitted over digital data networks |
KR100340722B1 (ko) * | 2000-08-31 | 2002-06-20 | 서평원 | 변조기법을 이용한 지터 감소 장치 |
US6944190B1 (en) | 2000-09-14 | 2005-09-13 | Ciena Corporation | Methods and apparatuses for serial transfer of SONET framed data between components of a SONET system |
US7245685B2 (en) * | 2000-12-05 | 2007-07-17 | Ericsson Ab | Filtering for timing distribution system in networking products |
DE10238043B3 (de) * | 2002-08-20 | 2004-01-08 | Siemens Ag | Anordnung und Verfahren zur Gewinnung eines Nutzdatentaktes eines in Pulsrahmen eingefügten Datensignals |
US7489710B2 (en) * | 2003-04-22 | 2009-02-10 | Agere Systems Inc. | Stall need detection and associated stall mechanism for delay compensation in virtual concatenation applications |
EP1482665A3 (de) * | 2003-05-29 | 2006-08-23 | Lycium Networks (B.V.I.) Ltd | Verfahren und Vorrichtungen zur adaptiven Ratenverwaltung, zur adaptiven Zeigerverwaltung und zur frequenzgeregelten adaptiven Zeigerverwaltung |
US8019035B2 (en) * | 2003-08-05 | 2011-09-13 | Stmicroelectronics Nv | Noise shaped interpolator and decimator apparatus and method |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4191976A (en) * | 1978-09-26 | 1980-03-04 | Data General Corporation | Circuit indicating phase relationship |
JPS5787265A (en) * | 1980-11-18 | 1982-05-31 | Toshiba Corp | Reproducing circuit for receiving data |
DE3315372A1 (de) * | 1983-04-28 | 1984-10-31 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur umsetzung eines anisochronen binaeren eingangssignales in ein isochrones binaeres ausgangssignal |
JPS60241397A (ja) * | 1984-05-16 | 1985-11-30 | Nec Corp | フレ−ムアライナ装置 |
FR2592244B1 (fr) * | 1985-12-23 | 1994-05-13 | Thomson Csf | Synthetiseur numerique de frequences elevees a corrections aperiodiques optimalisant la purete spectrale. |
CA1262173A (en) * | 1986-05-29 | 1989-10-03 | James Angus Mceachern | Synchronization of asynchronous data signals |
JPH0626329B2 (ja) * | 1986-12-02 | 1994-04-06 | 日本電気株式会社 | スタツフ同期回路 |
US4941156A (en) * | 1987-05-19 | 1990-07-10 | Crystal Semiconductor | Linear jitter attenuator |
US4928275A (en) * | 1989-05-26 | 1990-05-22 | Northern Telecom Limited | Synchronization of asynchronous data signals |
US4933890A (en) * | 1989-06-13 | 1990-06-12 | The Charles Stark Draper Laboratory, Inc. | Digital frequency synthesizer |
US5008900A (en) * | 1989-08-14 | 1991-04-16 | International Mobile Machines Corporation | Subscriber unit for wireless digital subscriber communication system |
JPH03136414A (ja) * | 1989-10-23 | 1991-06-11 | Nippon Telegr & Teleph Corp <Ntt> | 周波数シンセサイザ |
US4996698A (en) * | 1989-10-23 | 1991-02-26 | Rockwell International Corporation | Clock signal resynchronizing apparatus |
DE3939260A1 (de) * | 1989-11-28 | 1991-05-29 | Rohde & Schwarz | Normalfrequenzgenerator |
US4975699A (en) * | 1989-12-01 | 1990-12-04 | Hughes Aircraft Company | Error reduction method and apparatus for a direct digital synthesizer |
DE3942885A1 (de) * | 1989-12-23 | 1991-06-27 | Philips Patentverwaltung | Schaltungsanordnung zur bitratenanpassung |
DE3942883A1 (de) * | 1989-12-23 | 1991-06-27 | Philips Patentverwaltung | Schaltungsanordnung zur bitratenanpassung |
US5157655A (en) * | 1990-10-31 | 1992-10-20 | Transwitch Corp. | Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal |
-
1992
- 1992-02-28 EP EP92103462A patent/EP0536464B1/de not_active Expired - Lifetime
- 1992-02-28 DE DE69227820T patent/DE69227820T2/de not_active Expired - Lifetime
- 1992-10-07 JP JP04268596A patent/JP3092352B2/ja not_active Expired - Fee Related
- 1992-10-09 CA CA002080267A patent/CA2080267C/en not_active Expired - Fee Related
-
1993
- 1993-09-27 US US08/127,095 patent/US5311511A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0536464B1 (de) | 1998-12-09 |
CA2080267A1 (en) | 1993-04-11 |
EP0536464A3 (en) | 1993-10-06 |
US5311511A (en) | 1994-05-10 |
CA2080267C (en) | 1998-07-28 |
JP3092352B2 (ja) | 2000-09-25 |
JPH06204962A (ja) | 1994-07-22 |
EP0536464A2 (de) | 1993-04-14 |
DE69227820T2 (de) | 1999-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |