DE69432921D1 - Schnittstelleneinrichtung - Google Patents
SchnittstelleneinrichtungInfo
- Publication number
- DE69432921D1 DE69432921D1 DE69432921T DE69432921T DE69432921D1 DE 69432921 D1 DE69432921 D1 DE 69432921D1 DE 69432921 T DE69432921 T DE 69432921T DE 69432921 T DE69432921 T DE 69432921T DE 69432921 D1 DE69432921 D1 DE 69432921D1
- Authority
- DE
- Germany
- Prior art keywords
- interface device
- interface
- 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
- H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5614—User Network Interface
- H04L2012/5615—Network termination, e.g. NT1, NT2, PBX
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5614—User Network Interface
- H04L2012/5616—Terminal equipment, e.g. codecs, synch.
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5638—Services, e.g. multimedia, GOS, QOS
- H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
- H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5638—Services, e.g. multimedia, GOS, QOS
- H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
- H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
- H04L2012/5653—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL]
- H04L2012/5654—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL] using the AAL1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5672—Multiplexing, e.g. coding, scrambling
- H04L2012/5674—Synchronisation, timing recovery or alignment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1377694 | 1994-02-07 | ||
JP1377694 | 1994-02-07 | ||
JP26929894 | 1994-11-02 | ||
JP26929894A JPH07264214A (ja) | 1994-02-07 | 1994-11-02 | インターフェース装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69432921D1 true DE69432921D1 (de) | 2003-08-14 |
DE69432921T2 DE69432921T2 (de) | 2004-06-03 |
Family
ID=26349622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69432921T Expired - Lifetime DE69432921T2 (de) | 1994-02-07 | 1994-11-18 | Schnittstelleneinrichtung |
Country Status (4)
Country | Link |
---|---|
US (2) | US5555261A (de) |
EP (1) | EP0667727B1 (de) |
JP (1) | JPH07264214A (de) |
DE (1) | DE69432921T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3434074B2 (ja) * | 1994-06-23 | 2003-08-04 | 富士通株式会社 | マルチメディア通信装置 |
US5608731A (en) * | 1995-03-31 | 1997-03-04 | Transwitch Corporation | Closed loop clock recovery for synchronous residual time stamp |
US5638379A (en) * | 1995-06-06 | 1997-06-10 | Symmetricom, Inc. | Encoding system for distribution of synchronization |
US5828670A (en) * | 1995-06-06 | 1998-10-27 | Symmetricom, Inc. | Distribution of synchronization in a synchronous optical environment |
JPH09168150A (ja) * | 1995-10-09 | 1997-06-24 | Fujitsu Ltd | 固定長セル取扱式画像通信方法並びに固定長セル取扱式画像通信用送信装置及び固定長セル取扱式画像通信用受信装置 |
US5822383A (en) * | 1995-12-15 | 1998-10-13 | Cisco Technology, Inc. | System and method for maintaining network synchronization utilizing digital phase comparison techniques with synchronous residual time stamps |
SE506080C2 (sv) | 1996-02-02 | 1997-11-10 | Ericsson Telefon Ab L M | Virtuell tidsslinga |
US6084889A (en) * | 1996-02-14 | 2000-07-04 | Hitachi, Ltd. | ATM multiplexing apparatus, ATM demultiplexing apparatus, and communication network with the apparatus |
JPH09247157A (ja) * | 1996-03-06 | 1997-09-19 | Hitachi Ltd | Srtsクロック再生制御回路 |
JP3463460B2 (ja) * | 1996-05-20 | 2003-11-05 | ヤマハ株式会社 | データ伝送方式 |
US6771590B1 (en) * | 1996-08-22 | 2004-08-03 | Tellabs Operations, Inc. | Communication system clock synchronization techniques |
US6118758A (en) * | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
US5790514A (en) * | 1996-08-22 | 1998-08-04 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture |
US6950388B2 (en) * | 1996-08-22 | 2005-09-27 | Tellabs Operations, Inc. | Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system |
CA2184517A1 (en) * | 1996-08-30 | 1998-03-01 | Randy A. Law | Clock recovery for video communication over atm network |
KR100223298B1 (ko) * | 1997-02-12 | 1999-10-15 | 서평원 | 광대역 종합 정보 통신망의 터미널 정합 장치 |
JP2853696B2 (ja) * | 1997-02-26 | 1999-02-03 | 日本電気株式会社 | Srts受信装置 |
US6046998A (en) * | 1997-03-20 | 2000-04-04 | Sprint Communications Co. L.P. | ATM reference traffic system |
US5923663A (en) * | 1997-03-24 | 1999-07-13 | Compaq Computer Corporation | Method and apparatus for automatically detecting media connected to a network port |
DE19751258C1 (de) * | 1997-11-19 | 1999-01-21 | Deutsche Telekom Ag | Messverfahren und -vorrichtung für Datenkommunikationsnetze |
US6122337A (en) * | 1998-01-06 | 2000-09-19 | Maker Communications, Inc. | Modular circuitry architecture for residual time stamp service clock regenerator phase locked loop |
US6011823A (en) * | 1998-01-06 | 2000-01-04 | Maker Communications, Inc. | Combined synchronous residual time stamp generator and service clock regenerator architecture |
US5970107A (en) * | 1998-01-06 | 1999-10-19 | Maker Communications, Inc. | Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter |
US6144714A (en) * | 1998-01-06 | 2000-11-07 | Maker Communications, Inc. | Programmable fractional frequency digital frequency synthesizer for synchronous residual time stamp service clock regenerator phase locked loop |
JP3772013B2 (ja) * | 1998-02-10 | 2006-05-10 | 株式会社東芝 | データ変換装置 |
JP3911655B2 (ja) * | 1998-03-16 | 2007-05-09 | 富士通株式会社 | Atm装置 |
DK1068704T3 (da) | 1998-04-03 | 2012-09-17 | Tellabs Operations Inc | Filter til impulssvarforkortning, med yderligere spektrale begrænsninger, til multibærebølgeoverførsel |
US6631175B2 (en) * | 1998-04-03 | 2003-10-07 | Tellabs Operations, Inc. | Spectrally constrained impulse shortening filter for a discrete multi-tone receiver |
US7440498B2 (en) | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
JP2000083034A (ja) * | 1998-09-07 | 2000-03-21 | Fujitsu Ltd | インタフェース装置及び周波数変動試験方法 |
US6731627B1 (en) | 1998-11-17 | 2004-05-04 | Cisco Technology, Inc. | Virtual loop carrier system |
US7164694B1 (en) | 1998-11-17 | 2007-01-16 | Cisco Technology, Inc. | Virtual loop carrier system with gateway protocol mediation |
US7054273B1 (en) * | 1999-08-06 | 2006-05-30 | Tellabs Operations, Inc. | Circuit integrity in a packet-switched network |
US6982991B1 (en) | 2000-03-10 | 2006-01-03 | International Business Machines Corporation | Cell or fram assembly method and apparatus optimizing the moving of data |
US6529868B1 (en) * | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
JP3652578B2 (ja) * | 2000-03-29 | 2005-05-25 | 富士通株式会社 | Srts法を用いたクロック発生装置 |
JP3885581B2 (ja) * | 2001-12-21 | 2007-02-21 | 横河電機株式会社 | Lan間接続装置 |
JP4228613B2 (ja) * | 2002-07-31 | 2009-02-25 | 日本電気株式会社 | シリアルディジタル信号伝送方式 |
FR2843509B1 (fr) * | 2002-08-08 | 2005-01-28 | Metova | Procede de synchronisation d'interface de ligne d'un reseau de transmission asynchrone, interface de terminaison de ligne d'un reseau de transmission asynchrone et systeme de telecommunication entre deux interfaces de terminaison |
JP3833164B2 (ja) * | 2002-10-30 | 2006-10-11 | ティーオーエー株式会社 | クロック信号調整装置 |
WO2007096987A1 (ja) * | 2006-02-24 | 2007-08-30 | Fujitsu Limited | エラー制御装置 |
FR2948515A1 (fr) * | 2009-07-24 | 2011-01-28 | Alcatel Lucent | Procede et systeme de synchronisation de haute precision |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3410188C2 (de) * | 1984-03-20 | 1986-10-23 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Schaltungsanordnung zur Taktkorrektur in einer digitalen Datenübertragungseinrichtung |
US5255291A (en) * | 1988-11-14 | 1993-10-19 | Stratacom, Inc. | Microprocessor based packet isochronous clocking transmission system and method |
US4961188A (en) * | 1989-09-07 | 1990-10-02 | Bell Communications Research, Inc. | Synchronous frequency encoding technique for clock timing recovery in a broadband network |
US5204882A (en) * | 1990-12-14 | 1993-04-20 | Bell Communications Research, Inc. | Service clock recovery for variable bit rate services |
US5287182A (en) * | 1992-07-02 | 1994-02-15 | At&T Bell Laboratories | Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks |
US5260978A (en) * | 1992-10-30 | 1993-11-09 | Bell Communications Research, Inc. | Synchronous residual time stamp for timing recovery in a broadband network |
GB2285201B (en) * | 1993-12-22 | 1997-12-10 | Roke Manor Research | Timing recovery apparatus |
-
1994
- 1994-11-02 JP JP26929894A patent/JPH07264214A/ja active Pending
- 1994-11-15 US US08/339,541 patent/US5555261A/en not_active Expired - Lifetime
- 1994-11-18 DE DE69432921T patent/DE69432921T2/de not_active Expired - Lifetime
- 1994-11-18 EP EP94118209A patent/EP0667727B1/de not_active Expired - Lifetime
-
1996
- 1996-08-13 US US08/696,355 patent/US5778001A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0667727A3 (de) | 1996-02-28 |
JPH07264214A (ja) | 1995-10-13 |
EP0667727B1 (de) | 2003-07-09 |
EP0667727A2 (de) | 1995-08-16 |
DE69432921T2 (de) | 2004-06-03 |
US5778001A (en) | 1998-07-07 |
US5555261A (en) | 1996-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |