CA2245716A1 - Reseau optique a acces multiple par repartition dans le temps a impulsions obscures - Google Patents

Reseau optique a acces multiple par repartition dans le temps a impulsions obscures Download PDF

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Publication number
CA2245716A1
CA2245716A1 CA002245716A CA2245716A CA2245716A1 CA 2245716 A1 CA2245716 A1 CA 2245716A1 CA 002245716 A CA002245716 A CA 002245716A CA 2245716 A CA2245716 A CA 2245716A CA 2245716 A1 CA2245716 A1 CA 2245716A1
Authority
CA
Canada
Prior art keywords
optical
signal
node
clock signal
transmission medium
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.)
Abandoned
Application number
CA002245716A
Other languages
English (en)
Inventor
Andrew David Ellis
Terence Widdowson
David Graham Moodie
Danny Robert Pitcher
Julian Kazimierz Lucek
Kevin Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9604020.9A external-priority patent/GB9604020D0/en
Priority claimed from GBGB9613345.9A external-priority patent/GB9613345D0/en
Priority claimed from EP96307207A external-priority patent/EP0835002A1/fr
Priority claimed from GBGB9620502.6A external-priority patent/GB9620502D0/en
Application filed by Individual filed Critical Individual
Publication of CA2245716A1 publication Critical patent/CA2245716A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/508—Pulse generation, e.g. generation of solitons
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/0033—Correction by delay
    • H04L7/0037—Delay of clock signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H04J14/083—Add and drop multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)

Abstract

L'invention concerne un réseau optique. Ce réseau comprend un certain nombre de noeuds couplés à un support de transmission optique, tel qu'un bus de fibres optiques. Chacun des noeuds comprend un générateur d'impulsions obscures dans des tranches de temps différentes sur le support de transmission, ce qui forme un signal multiplexé par répartition dans le temps à impulsions obscures. Ce réseau peut présenter une topologie de bus ré-entrant.
CA002245716A 1996-02-26 1997-02-25 Reseau optique a acces multiple par repartition dans le temps a impulsions obscures Abandoned CA2245716A1 (fr)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
GBGB9604020.9A GB9604020D0 (en) 1996-02-26 1996-02-26 Optical network
EP96301277 1996-02-26
EP96301277.8 1996-02-26
GB9604020.9 1996-02-26
EP96304694.1 1996-06-26
GB9613345.9 1996-06-26
EP96304694 1996-06-26
GBGB9613345.9A GB9613345D0 (en) 1996-06-26 1996-06-26 Optical network
EP96307207A EP0835002A1 (fr) 1996-10-02 1996-10-02 Réseau optique
EP96307207.9 1996-10-02
GB9620502.6 1996-10-02
GBGB9620502.6A GB9620502D0 (en) 1996-10-02 1996-10-02 Optical network
PCT/GB1997/000520 WO1997031436A1 (fr) 1996-02-26 1997-02-25 Reseau optique a acces multiple par repartition dans le temps a impulsions obscures

Publications (1)

Publication Number Publication Date
CA2245716A1 true CA2245716A1 (fr) 1997-08-28

Family

ID=27545815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002245716A Abandoned CA2245716A1 (fr) 1996-02-26 1997-02-25 Reseau optique a acces multiple par repartition dans le temps a impulsions obscures

Country Status (8)

Country Link
EP (1) EP0883938A1 (fr)
JP (1) JP2002516043A (fr)
KR (1) KR19990087351A (fr)
AU (1) AU732674B2 (fr)
CA (1) CA2245716A1 (fr)
NO (1) NO983894L (fr)
NZ (1) NZ331214A (fr)
WO (1) WO1997031436A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381056B1 (en) 1995-03-31 2002-04-30 British Telecommunications Public Limited Company Dark pulse generation and transmission
US6239892B1 (en) * 1998-05-31 2001-05-29 Sun Microsystems, Inc. Method and apparatus for bit synchronization in optical communication and networking systems
CN1061496C (zh) * 1998-06-09 2001-01-31 北京格林威通信技术有限公司 光传输网络中的自定时方法及设备
WO2001073981A1 (fr) * 2000-03-27 2001-10-04 Siemens Aktiengesellschaft Generateur de signaux optiques de donnees rz et procede correspondant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754452A (en) * 1986-09-11 1988-06-28 American Telephone And Telegraph Company, At&T Bell Laboratories Optical local area network using a common optical carrier with separate user angle modulation
JPH06504415A (ja) * 1990-10-18 1994-05-19 テルストラ　コーポレイション　リミテッド 疑似ソリトン通信システム
US6381056B1 (en) * 1995-03-31 2002-04-30 British Telecommunications Public Limited Company Dark pulse generation and transmission

Also Published As

Publication number Publication date
NZ331214A (en) 1999-10-28
EP0883938A1 (fr) 1998-12-16
NO983894D0 (no) 1998-08-25
AU732674B2 (en) 2001-04-26
JP2002516043A (ja) 2002-05-28
KR19990087351A (ko) 1999-12-27
AU1888297A (en) 1997-09-10
WO1997031436A1 (fr) 1997-08-28
NO983894L (no) 1998-08-26

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued