JP2000504513A - 仮想タイム・ループ - Google Patents
仮想タイム・ループInfo
- Publication number
- JP2000504513A JP2000504513A JP9527568A JP52756897A JP2000504513A JP 2000504513 A JP2000504513 A JP 2000504513A JP 9527568 A JP9527568 A JP 9527568A JP 52756897 A JP52756897 A JP 52756897A JP 2000504513 A JP2000504513 A JP 2000504513A
- Authority
- JP
- Japan
- Prior art keywords
- network
- synchronous
- synchronization
- packet
- 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.)
- Ceased
Links
Classifications
-
- 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
- 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
- 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
- H04L2012/5638—Services, e.g. multimedia, GOS, QOS
- H04L2012/5663—Support of N-ISDN
-
- 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)
- Synchronisation In Digital Transmission Systems (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Electrophonic Musical Instruments (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 同期網とパケット交換網との間のインタフェースでの受信部分で同期クロ ック信号を発生する方法において、前記パケット交換網が端末ユニットから前記 同期網をアクセスするために使用され、前記端末ユニットが前記交換パケット網 を通してデータを受信するために前記同期網から前記クロック信号を発生し、前 記方法であって、前記交換パケット−同期網インタフェースに設置された前記受 信部分が前記交換パケット網から前記同期網へのデータを同期させるために前記 同期網から直接導出されたクロック信号を使用する方法。 2. 請求項1記載の方法であって、前記交換パケット網がATM(同期転送モ ード)網であること及び(又は)前記同期網がPSTN(公衆加入電話網)であ ることを特徴とする方法。 3. 同期網と、端末ユニットと、前記同期網と前記端末ユニットとを相互接続 するパケット交換網と、前記端末ユニットを前記同期網に同期させる手段と、前 記パケット交換網から前記同期網へのデータを同期させる手段とを含む伝送シス テムであって、前記パケット交換網から前記同期網へのデータを前記同期させる 手段が前記同期網から直接導出されたクロック信号を含むことを特徴とする伝送 システム。 4. 請求項3記載の伝送システムであって、前記交換パケット網がATM(同 期転送モード)網であること及び(又は)前記同期網がPSTN(公衆加入電話 網)であることを特徴とする伝送システム。 5. 同期網へのインタフェースでタイム・ループを閉じる方法において、利用 者データが非同期パケット網を通して端末エンティティへ伝送され及び新データ が同期様式に復帰されかつ前記インタフェースへ返し伝送され、前記インタフェ ースにおいてタイミングとデータとが合併されて一緒になり、現存する同期イン タフェースに充分に適うインタフェースを前記同期網に提供する前記方法であっ て、前記タイム・ループが前記網インタフェースで局部的に閉じられることと、 前記タイム・ループが外部端末エンティティからの前記利用者データと合併され ることとを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9600386-8 | 1996-02-02 | ||
SE9600386A SE506080C2 (sv) | 1996-02-02 | 1996-02-02 | Virtuell tidsslinga |
PCT/SE1997/000151 WO1997028625A1 (en) | 1996-02-02 | 1997-01-31 | Virtual time loop |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000504513A true JP2000504513A (ja) | 2000-04-11 |
Family
ID=20401245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9527568A Ceased JP2000504513A (ja) | 1996-02-02 | 1997-01-31 | 仮想タイム・ループ |
Country Status (10)
Country | Link |
---|---|
US (1) | US6532243B1 (ja) |
EP (1) | EP0878076B1 (ja) |
JP (1) | JP2000504513A (ja) |
CN (1) | CN1143479C (ja) |
AU (1) | AU722056B2 (ja) |
CA (1) | CA2245184A1 (ja) |
DE (1) | DE69732832T2 (ja) |
NO (1) | NO323652B1 (ja) |
SE (1) | SE506080C2 (ja) |
WO (1) | WO1997028625A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6788703B2 (en) | 1998-12-30 | 2004-09-07 | Nortel Networks Limited | DS0 on ATM, mapping and handling |
US6804229B2 (en) | 1998-12-30 | 2004-10-12 | Nortel Networks Limited | Multiple node network architecture |
US6885661B1 (en) | 1998-12-30 | 2005-04-26 | Nortel Networks Limited | Private branch exchange built using an ATM Network |
US6768736B1 (en) * | 1998-12-30 | 2004-07-27 | Nortel Networks Limited | Using an ATM switch to grow the capacity of a switching stage |
US6778538B2 (en) | 1998-12-30 | 2004-08-17 | Nortel Networks Limited | Virtual junctors |
JP3660517B2 (ja) * | 1999-03-01 | 2005-06-15 | 三菱電機株式会社 | データ受信装置、これに用いられるソースクロック再生方法およびその方法をコンピュータに実行させるプログラムを記録したコンピュータ読み取り可能な記録媒体 |
US7230974B1 (en) * | 1999-05-18 | 2007-06-12 | Polytechnic University | Methods and apparatus for synchronizing and/or determining the location of nodes |
US7286470B1 (en) * | 2000-08-25 | 2007-10-23 | Agere Systems Inc. | Messaging system for a packet transport system and method of operation thereof |
CN100409636C (zh) * | 2001-04-12 | 2008-08-06 | 中兴通讯股份有限公司 | 一种高速串行数据通讯自适应时钟配置的方法 |
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 |
WO2006004163A1 (ja) * | 2004-07-06 | 2006-01-12 | Advantest Corporation | データ伝送方法、データ伝送装置 |
US7238287B2 (en) * | 2004-09-10 | 2007-07-03 | Natural Chemistry, Inc. | Method for providing safe, clean chlorinated recreational water |
FI119164B (fi) | 2005-04-08 | 2008-08-15 | Tellabs Oy | Menetelmä ja laitteisto ajastussignaalin regeneroimiseksi digitaalisessa tiedon- siirrossa |
CN1859063A (zh) * | 2005-08-29 | 2006-11-08 | 华为技术有限公司 | 业务数据传送方法及装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL189062C (nl) * | 1980-02-15 | 1992-12-16 | Philips Nv | Werkwijze en stelsel voor overdracht van datapakketten. |
DE3410188C2 (de) * | 1984-03-20 | 1986-10-23 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Schaltungsanordnung zur Taktkorrektur in einer digitalen Datenübertragungseinrichtung |
US4961188A (en) * | 1989-09-07 | 1990-10-02 | Bell Communications Research, Inc. | Synchronous frequency encoding technique for clock timing recovery in a broadband network |
US5007070A (en) * | 1989-10-31 | 1991-04-09 | Bell Communications Research, Inc. | Service clock recovery circuit |
IL96392A0 (en) * | 1989-11-29 | 1991-08-16 | Motorola Inc | Wireless in-building telecommunications system for voice and data communications |
US5206857A (en) * | 1991-04-29 | 1993-04-27 | At&T Bell Laboratories | Apparatus and method for timing distribution over an asynchronous ring |
US5373537A (en) * | 1991-09-02 | 1994-12-13 | Siemens Aktiengesellschaft | Method and apparatus for the synchronization of a clock means of a telecommunication switching system |
US5260978A (en) * | 1992-10-30 | 1993-11-09 | Bell Communications Research, Inc. | Synchronous residual time stamp for timing recovery in a broadband network |
JPH07264214A (ja) | 1994-02-07 | 1995-10-13 | Fujitsu Ltd | インターフェース装置 |
US5459722A (en) * | 1994-06-30 | 1995-10-17 | At&T Ipm Corp. | Asynchronous transfer mode (ATM) transport of voice-band signals |
EP0718995A1 (en) * | 1994-12-20 | 1996-06-26 | International Business Machines Corporation | Apparatus and method for synchronizing clock signals for digital links in a packet switching mode |
US5828696A (en) * | 1995-03-30 | 1998-10-27 | Lucent Technologies Inc. | Timing recovery in a network-synchronized modem |
US6094464A (en) * | 1995-10-12 | 2000-07-25 | Next Level Communications | Burst mode receiver |
GB9601348D0 (en) * | 1996-01-24 | 1996-03-27 | Madge Networks Ltd | Clock synchronisation |
US5666366A (en) * | 1996-05-24 | 1997-09-09 | National Semiconductor Corporation | Inter-base synchronization technique for a TDMA communication system |
US5892764A (en) * | 1996-09-16 | 1999-04-06 | Sphere Communications Inc. | ATM LAN telephone system |
US6160805A (en) * | 1996-09-30 | 2000-12-12 | Motorola, Inc. | Method for synchronizing a session timer |
KR100197898B1 (ko) * | 1996-11-30 | 1999-06-15 | 김영환 | 비동기식 전송모드 사설망의 음성전화 서비스장치 |
US6026086A (en) * | 1997-01-08 | 2000-02-15 | Motorola, Inc. | Apparatus, system and method for a unified circuit switched and packet-based communications system architecture with network interworking functionality |
US6072794A (en) * | 1997-04-24 | 2000-06-06 | Daewoo Telecom Co., Ltd. | Digital trunk interface unit for use in remote access system |
DE69735527D1 (de) * | 1997-05-02 | 2006-05-11 | Lsi Logic Corp | Digitales Verfahren zur adaptiven Taktrückgewinnung |
US6111878A (en) * | 1997-11-04 | 2000-08-29 | Alcatel | Low jitter timing recovery technique and device for asynchronous transfer mode (ATM) constant bit rate (CBR) payloads |
-
1996
- 1996-02-02 SE SE9600386A patent/SE506080C2/sv not_active IP Right Cessation
-
1997
- 1997-01-31 AU AU16806/97A patent/AU722056B2/en not_active Ceased
- 1997-01-31 WO PCT/SE1997/000151 patent/WO1997028625A1/en active IP Right Grant
- 1997-01-31 EP EP97902802A patent/EP0878076B1/en not_active Expired - Lifetime
- 1997-01-31 JP JP9527568A patent/JP2000504513A/ja not_active Ceased
- 1997-01-31 CA CA002245184A patent/CA2245184A1/en not_active Abandoned
- 1997-01-31 CN CNB971919925A patent/CN1143479C/zh not_active Expired - Fee Related
- 1997-01-31 DE DE69732832T patent/DE69732832T2/de not_active Expired - Lifetime
-
1998
- 1998-07-13 US US09/120,225 patent/US6532243B1/en not_active Expired - Lifetime
- 1998-07-31 NO NO19983522A patent/NO323652B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1997028625A1 (en) | 1997-08-07 |
SE506080C2 (sv) | 1997-11-10 |
NO323652B1 (no) | 2007-06-18 |
CA2245184A1 (en) | 1997-08-07 |
EP0878076B1 (en) | 2005-03-23 |
NO983522D0 (no) | 1998-07-31 |
CN1143479C (zh) | 2004-03-24 |
CN1210641A (zh) | 1999-03-10 |
AU722056B2 (en) | 2000-07-20 |
SE9600386D0 (sv) | 1996-02-02 |
AU1680697A (en) | 1997-08-22 |
SE9600386L (sv) | 1997-08-03 |
US6532243B1 (en) | 2003-03-11 |
EP0878076A1 (en) | 1998-11-18 |
NO983522L (no) | 1998-10-02 |
DE69732832D1 (de) | 2005-04-28 |
DE69732832T2 (de) | 2006-05-18 |
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Legal Events
Date | Code | Title | Description |
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A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040202 |
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A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060418 |
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A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20060718 |
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A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20060904 |
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A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20061218 |
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A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070130 |