HK1013584A1 - Optical telecommunications network - Google Patents

Optical telecommunications network

Info

Publication number
HK1013584A1
HK1013584A1 HK98114824A HK98114824A HK1013584A1 HK 1013584 A1 HK1013584 A1 HK 1013584A1 HK 98114824 A HK98114824 A HK 98114824A HK 98114824 A HK98114824 A HK 98114824A HK 1013584 A1 HK1013584 A1 HK 1013584A1
Authority
HK
Hong Kong
Prior art keywords
telecommunications network
optical telecommunications
optical
network
telecommunications
Prior art date
Application number
HK98114824A
Other languages
English (en)
Inventor
David Cotter
Martin Christopher Tatham
Original Assignee
British Telecomm
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 GB9410311A external-priority patent/GB9410311D0/en
Priority claimed from GB9412956A external-priority patent/GB9412956D0/en
Priority claimed from GB9419679A external-priority patent/GB9419679D0/en
Application filed by British Telecomm filed Critical British Telecomm
Publication of HK1013584A1 publication Critical patent/HK1013584A1/xx

Links

Classifications

    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/299—Signal waveform processing, e.g. reshaping or retiming
    • 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
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2852—Metropolitan area networks
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0066—Provisions for optical burst or packet networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0013—Construction using gating amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/002—Construction using optical delay lines or optical buffers or optical recirculation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0033—Construction using time division switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0039—Electrical control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0041—Optical control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0045—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/009—Topology aspects
    • H04Q2011/0092—Ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK98114824A 1994-05-23 1998-12-22 Optical telecommunications network HK1013584A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9410311A GB9410311D0 (en) 1994-05-23 1994-05-23 Ultrafast self-routing networks
GB9412956A GB9412956D0 (en) 1994-06-28 1994-06-28 Optical telecommunications network
EP94306015 1994-08-15
GB9419679A GB9419679D0 (en) 1994-09-28 1994-09-28 Optical telecommunications network
EP94308523 1994-11-18
EP94308568 1994-11-21
PCT/GB1995/001176 WO1995033324A2 (fr) 1994-05-23 1995-05-23 Reseau de telecommunications optique

Publications (1)

Publication Number Publication Date
HK1013584A1 true HK1013584A1 (en) 1999-08-27

Family

ID=27545736

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98114824A HK1013584A1 (en) 1994-05-23 1998-12-22 Optical telecommunications network

Country Status (10)

Country Link
US (3) US5831752A (fr)
EP (2) EP0761050B1 (fr)
JP (2) JP3009734B2 (fr)
CN (2) CN1152984A (fr)
AU (4) AU695318B2 (fr)
CA (2) CA2190970C (fr)
DE (2) DE69526342T2 (fr)
ES (1) ES2143632T3 (fr)
HK (1) HK1013584A1 (fr)
WO (2) WO1995033324A2 (fr)

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US6813276B2 (en) 2001-01-30 2004-11-02 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and re-insertion via a circulating optical path
US6850515B2 (en) 2001-01-30 2005-02-01 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header and a multicast switch with active header insertion via light circulation
US6754450B2 (en) 2001-01-30 2004-06-22 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and new header insertion via opto-electrical processing
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Also Published As

Publication number Publication date
DE69515171T2 (de) 2000-09-14
CA2190859C (fr) 2002-01-15
JPH10500268A (ja) 1998-01-06
CN1152984A (zh) 1997-06-25
EP0761071A1 (fr) 1997-03-12
ES2143632T3 (es) 2000-05-16
WO1995032568A1 (fr) 1995-11-30
AU696534B2 (en) 1998-09-10
CN1152983A (zh) 1997-06-25
US5831752A (en) 1998-11-03
CA2190859A1 (fr) 1995-12-07
US6069720A (en) 2000-05-30
JP3009734B2 (ja) 2000-02-14
AU9239198A (en) 1999-01-21
AU715568B2 (en) 2000-02-03
WO1995033324A2 (fr) 1995-12-07
CA2190970C (fr) 2000-11-07
DE69515171D1 (de) 2000-03-30
EP0761050B1 (fr) 2002-04-10
US5912753A (en) 1999-06-15
AU695318B2 (en) 1998-08-13
WO1995033324A3 (fr) 1996-04-04
AU2533195A (en) 1995-12-21
EP0761050A1 (fr) 1997-03-12
CA2190970A1 (fr) 1995-11-30
AU2533095A (en) 1995-12-18
DE69526342D1 (de) 2002-05-16
AU9239098A (en) 1999-01-21
JPH10504145A (ja) 1998-04-14
DE69526342T2 (de) 2002-10-31
EP0761071B1 (fr) 2000-02-23
JP3590066B2 (ja) 2004-11-17

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040523