NO983896L - Kanalvalg i et optisk TDMA-nettverk - Google Patents

Kanalvalg i et optisk TDMA-nettverk

Info

Publication number
NO983896L
NO983896L NO983896A NO983896A NO983896L NO 983896 L NO983896 L NO 983896L NO 983896 A NO983896 A NO 983896A NO 983896 A NO983896 A NO 983896A NO 983896 L NO983896 L NO 983896L
Authority
NO
Norway
Prior art keywords
clock signal
delay
variable delay
electro
modulator
Prior art date
Application number
NO983896A
Other languages
English (en)
Norwegian (no)
Other versions
NO983896D0 (no
Inventor
Kevin Smith
Julian Kazimierz Lucek
Danny Robert Pitcher
Terence Widdowson
David Graham Moodie
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
Application filed by British Telecomm filed Critical British Telecomm
Publication of NO983896D0 publication Critical patent/NO983896D0/no
Publication of NO983896L publication Critical patent/NO983896L/no

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
    • H04B10/50—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
    • H04B10/508—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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H04J14/083—Add and drop multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
NO983896A 1996-02-26 1998-08-25 Kanalvalg i et optisk TDMA-nettverk NO983896L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9604020.9A GB9604020D0 (en) 1996-02-26 1996-02-26 Optical network
EP96301277 1996-02-26
PCT/GB1997/000429 WO1997031443A1 (fr) 1996-02-26 1997-02-14 Selection de canal dans un reseau optique a acces multiple en temps partage (tdma)

Publications (2)

Publication Number Publication Date
NO983896D0 NO983896D0 (no) 1998-08-25
NO983896L true NO983896L (no) 1998-10-23

Family

ID=26143575

Family Applications (1)

Application Number Title Priority Date Filing Date
NO983896A NO983896L (no) 1996-02-26 1998-08-25 Kanalvalg i et optisk TDMA-nettverk

Country Status (11)

Country Link
US (1) US5784185A (fr)
EP (1) EP0883942B1 (fr)
JP (1) JP3989958B2 (fr)
CN (1) CN1092882C (fr)
AU (1) AU727247B2 (fr)
CA (1) CA2247189C (fr)
DE (1) DE69736170T2 (fr)
ES (1) ES2267130T3 (fr)
GB (1) GB9604020D0 (fr)
NO (1) NO983896L (fr)
WO (1) WO1997031443A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1080491C (zh) 1995-03-31 2002-03-06 英国电讯公司 暗脉冲的产生和传输
US6208672B1 (en) * 1996-02-16 2001-03-27 British Telecommunications Public Limited Company Optical pulse source
US6396604B1 (en) * 1996-02-26 2002-05-28 British Telecommunications Plc Dark pulse TDMA optical network
FR2774536B1 (fr) * 1998-02-02 2000-03-10 Alsthom Cge Alcatel Procede de detection d'un ou plusieurs canaux libres dans un multiplex temporel optique, un dispositif de mise en oeuvre et une application du dispositif
JP2002505548A (ja) * 1998-02-25 2002-02-19 オークランド ユニサーヴィスィズ リミテッド 光通信システムにおいて反多重化するためのシステムおよび方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4427895A (en) * 1981-06-12 1984-01-24 Eng Sverre T Method and apparatus for optical fiber communication operating at gigabits per second
JPS59198033A (ja) * 1983-04-25 1984-11-09 Nippon Telegr & Teleph Corp <Ntt> 時間多重光信号分離装置
US4991975A (en) * 1988-11-22 1991-02-12 At&T Bell Laboratories Division multiplexing and demultiplexing means lightwave communication system comprising optical time
GB8923488D0 (en) * 1989-10-18 1989-12-06 British Telecomm Optical receiver
DE69324391T2 (de) * 1992-02-03 1999-11-04 Kokusai Denshin Denwa K.K., Tokio/Tokyo Vorrichtung zur optischen Wellenformung
US5329393A (en) * 1992-10-15 1994-07-12 At&T Bell Laboratories Optical Nyquist rate multiplexer and demultiplexer

Also Published As

Publication number Publication date
AU727247B2 (en) 2000-12-07
CA2247189A1 (fr) 1997-08-28
CA2247189C (fr) 2002-06-25
US5784185A (en) 1998-07-21
EP0883942A1 (fr) 1998-12-16
JP2002515200A (ja) 2002-05-21
NO983896D0 (no) 1998-08-25
DE69736170D1 (de) 2006-08-03
WO1997031443A1 (fr) 1997-08-28
AU1802997A (en) 1997-09-10
CN1092882C (zh) 2002-10-16
EP0883942B1 (fr) 2006-06-21
ES2267130T3 (es) 2007-03-01
CN1213473A (zh) 1999-04-07
JP3989958B2 (ja) 2007-10-10
GB9604020D0 (en) 1996-04-24
DE69736170T2 (de) 2007-05-03

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application