AU1888297A - Dark pulse tdma optical network - Google Patents

Dark pulse tdma optical network

Info

Publication number
AU1888297A
AU1888297A AU18882/97A AU1888297A AU1888297A AU 1888297 A AU1888297 A AU 1888297A AU 18882/97 A AU18882/97 A AU 18882/97A AU 1888297 A AU1888297 A AU 1888297A AU 1888297 A AU1888297 A AU 1888297A
Authority
AU
Australia
Prior art keywords
optical network
dark pulse
tdma optical
tdma
dark
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.)
Granted
Application number
AU18882/97A
Other versions
AU732674B2 (en
Inventor
Andrew David Ellis
Julian Kazimierz Lucek
David Graham Moodie
Danny Robert Pitcher
Kevin Smith
Terence Widdowson
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
British Telecommunications PLC
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 GBGB9620502.6A external-priority patent/GB9620502D0/en
Priority claimed from EP96307207A external-priority patent/EP0835002A1/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of AU1888297A publication Critical patent/AU1888297A/en
Application granted granted Critical
Publication of AU732674B2 publication Critical patent/AU732674B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04B10/27—Arrangements for networking
    • 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
    • H04B10/50—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)
AU18882/97A 1996-02-26 1997-02-25 Dark pulse TDMA optical network Ceased AU732674B2 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
EP96301277 1996-02-26
GBGB9604020.9A GB9604020D0 (en) 1996-02-26 1996-02-26 Optical network
EP96301277 1996-02-26
GB9604020 1996-02-26
GBGB9613345.9A GB9613345D0 (en) 1996-06-26 1996-06-26 Optical network
EP96304694 1996-06-26
GB9613345 1996-06-26
EP96304694 1996-06-26
GBGB9620502.6A GB9620502D0 (en) 1996-10-02 1996-10-02 Optical network
GB9620502 1996-10-02
EP96307207A EP0835002A1 (en) 1996-10-02 1996-10-02 Optical network
EP96307207 1996-10-02
PCT/GB1997/000520 WO1997031436A1 (en) 1996-02-26 1997-02-25 Dark pulse tdma optical network

Publications (2)

Publication Number Publication Date
AU1888297A true AU1888297A (en) 1997-09-10
AU732674B2 AU732674B2 (en) 2001-04-26

Family

ID=27545815

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18882/97A Ceased AU732674B2 (en) 1996-02-26 1997-02-25 Dark pulse TDMA optical network

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69636098T2 (en) 1995-03-31 2006-11-23 British Telecommunications P.L.C. GENERATION AND TRANSMISSION OF DARK PULSE
US6239892B1 (en) * 1998-05-31 2001-05-29 Sun Microsystems, Inc. Method and apparatus for bit synchronization in optical communication and networking systems
CN1061496C (en) * 1998-06-09 2001-01-31 北京格林威通信技术有限公司 Self-timing method and equipment for optical transmission network
WO2001073981A1 (en) * 2000-03-27 2001-10-04 Siemens Aktiengesellschaft Optical rz data signal generator and corresponding method

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
EP0553193A4 (en) * 1990-10-18 1993-09-22 Australian And Overseas Telecommunications Corporation Limited Quasi-soliton communication system
DE69636098T2 (en) * 1995-03-31 2006-11-23 British Telecommunications P.L.C. GENERATION AND TRANSMISSION OF DARK PULSE

Also Published As

Publication number Publication date
WO1997031436A1 (en) 1997-08-28
JP2002516043A (en) 2002-05-28
EP0883938A1 (en) 1998-12-16
NZ331214A (en) 1999-10-28
NO983894D0 (en) 1998-08-25
CA2245716A1 (en) 1997-08-28
AU732674B2 (en) 2001-04-26
KR19990087351A (en) 1999-12-27
NO983894L (en) 1998-08-26

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired