DE69112763D1 - Vorrichtung zur Reduzierung des Jitters verursacht durch Zeigersprünge in einem digitalen Telekommunikationsnetzwerk. - Google Patents
Vorrichtung zur Reduzierung des Jitters verursacht durch Zeigersprünge in einem digitalen Telekommunikationsnetzwerk.Info
- Publication number
- DE69112763D1 DE69112763D1 DE69112763T DE69112763T DE69112763D1 DE 69112763 D1 DE69112763 D1 DE 69112763D1 DE 69112763 T DE69112763 T DE 69112763T DE 69112763 T DE69112763 T DE 69112763T DE 69112763 D1 DE69112763 D1 DE 69112763D1
- Authority
- DE
- Germany
- Prior art keywords
- reducing
- telecommunications network
- digital telecommunications
- jitter caused
- pointer jumps
- 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)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9012802A FR2668323B1 (fr) | 1990-10-17 | 1990-10-17 | Dispositif de reduction de la gigue due aux sauts de pointeurs dans un reseau de telecommunications numeriques. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69112763D1 true DE69112763D1 (de) | 1995-10-12 |
DE69112763T2 DE69112763T2 (de) | 1996-03-21 |
Family
ID=9401299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69112763T Expired - Lifetime DE69112763T2 (de) | 1990-10-17 | 1991-10-08 | Vorrichtung zur Reduzierung des Jitters verursacht durch Zeigersprünge in einem digitalen Telekommunikationsnetzwerk. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5245636A (de) |
EP (1) | EP0481847B1 (de) |
CA (1) | CA2053096A1 (de) |
DE (1) | DE69112763T2 (de) |
ES (1) | ES2077824T3 (de) |
FR (1) | FR2668323B1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2777929B2 (ja) * | 1990-07-04 | 1998-07-23 | 富士通株式会社 | 非同期信号抽出回路 |
US5402425A (en) * | 1990-07-10 | 1995-03-28 | Telefonaktiebolaget L M Ericsson | Phase locking circuit for jitter reduction in a digital multiplex system |
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. |
US5377184A (en) * | 1992-03-02 | 1994-12-27 | International Business Machines Corporation | Method of controlling TWA link in a communications adapter by monitoring buffer fill levels |
US5402443A (en) * | 1992-12-15 | 1995-03-28 | National Semiconductor Corp. | Device and method for measuring the jitter of a recovered clock signal |
JPH06268625A (ja) * | 1993-03-12 | 1994-09-22 | Matsushita Electric Ind Co Ltd | ディジタル信号伝送方法および送受信装置および伝送装 置 |
EP0630127B1 (de) * | 1993-06-18 | 1999-01-13 | Alcatel | Anordnung von digitalen Phasenregelschleifen |
FR2709904B1 (fr) * | 1993-09-10 | 1995-10-13 | Cit Alcatel | Dispositif de lissage de sauts de phase susceptibles d'affecter un signal de rythme, et application au filtrage de la gigue de déjustification d'un train numérique. |
FR2709897B1 (fr) * | 1993-09-10 | 1995-10-20 | Cit Alcatel | Dispositif de filtrage de gigue de déjustification positive d'un train numérique et application au filtrage de gigue de déjustification positive et positive-négative d'un train numérique. |
FR2709898B3 (fr) * | 1993-09-10 | 1995-10-13 | Cit Alcatel | Dispositif de filtrage de gigue de déjustification positive d'un train numérique et application au filtrage de gigue de déjustification positive et positive-négative d'un train numérique. |
GB9323187D0 (en) * | 1993-11-10 | 1994-01-05 | Northern Telecom Ltd | Pointer justification even leak control |
GB2283885B (en) * | 1993-11-10 | 1997-11-05 | Northern Telecom Ltd | Pointer justification event leak control |
ES2102938B1 (es) * | 1994-03-28 | 1998-04-16 | Alcatel Standard Electrica | Sistema de reduccion de fluctuaciones de fase en demultiplexores digitales. |
GB9406324D0 (en) * | 1994-03-30 | 1994-05-25 | Plessey Telecomm | Adaptive boundary buffers |
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 |
US6064706A (en) * | 1996-05-01 | 2000-05-16 | Alcatel Usa, Inc. | Apparatus and method of desynchronizing synchronously mapped asynchronous data |
FI965072A (fi) * | 1996-12-17 | 1998-08-13 | Nokia Telecommunications Oy | Menetelmä tasaustapahtumien aiheuttamien transienttien vaimentamiseksi desynkronisaattorissa |
US6088413A (en) * | 1997-05-09 | 2000-07-11 | Alcatel | Apparatus for reducing jitter in a desynchronizer |
KR100474766B1 (ko) * | 2000-11-24 | 2005-03-08 | 엘지전자 주식회사 | 동기 디지털 망에서의 지터 제거장치 |
US6888826B1 (en) * | 2001-06-06 | 2005-05-03 | Applied Micro Circuits Corporation | Pointer generator design that provides multiple outputs that can be synchronized to different clocks |
CN1848717B (zh) * | 2005-04-15 | 2011-04-06 | 华为技术有限公司 | 获得异步解映射时钟的方法及电路 |
US7715512B2 (en) * | 2006-09-26 | 2010-05-11 | Advantest Corporation | Jitter measurement apparatus, jitter measurement method, and recording medium |
US9219938B2 (en) | 2012-11-01 | 2015-12-22 | Wheatstone Corporation | System and method for routing digital audio data using highly stable clocks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5621440A (en) * | 1979-07-31 | 1981-02-27 | Fujitsu Ltd | Stuff synchronizing system |
FR2594277B1 (fr) * | 1986-02-13 | 1993-04-23 | Houdoin Thierry | Dispositif de synchronisation de paquets par double boucle a verrouillage de phase |
US5111485A (en) * | 1990-05-18 | 1992-05-05 | Northern Telecom Limited | Method of and circuit for synchronizing data |
US5052025A (en) * | 1990-08-24 | 1991-09-24 | At&T Bell Laboratories | Synchronous digital signal to asynchronous digital signal desynchronizer |
-
1990
- 1990-10-17 FR FR9012802A patent/FR2668323B1/fr not_active Expired - Lifetime
-
1991
- 1991-10-08 EP EP91402685A patent/EP0481847B1/de not_active Expired - Lifetime
- 1991-10-08 ES ES91402685T patent/ES2077824T3/es not_active Expired - Lifetime
- 1991-10-08 DE DE69112763T patent/DE69112763T2/de not_active Expired - Lifetime
- 1991-10-09 CA CA002053096A patent/CA2053096A1/fr not_active Abandoned
- 1991-10-17 US US07/776,437 patent/US5245636A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2668323A1 (fr) | 1992-04-24 |
EP0481847A1 (de) | 1992-04-22 |
ES2077824T3 (es) | 1995-12-01 |
EP0481847B1 (de) | 1995-09-06 |
FR2668323B1 (fr) | 1993-01-15 |
DE69112763T2 (de) | 1996-03-21 |
CA2053096A1 (fr) | 1992-04-18 |
US5245636A (en) | 1993-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 481847 Country of ref document: EP Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN, DE |