DK399388D0 - Bitsynkronisering til optiske nedvaerk - Google Patents

Bitsynkronisering til optiske nedvaerk

Info

Publication number
DK399388D0
DK399388D0 DK399388A DK399388A DK399388D0 DK 399388 D0 DK399388 D0 DK 399388D0 DK 399388 A DK399388 A DK 399388A DK 399388 A DK399388 A DK 399388A DK 399388 D0 DK399388 D0 DK 399388D0
Authority
DK
Denmark
Prior art keywords
junction
error signal
bit synchronization
combined
phase errors
Prior art date
Application number
DK399388A
Other languages
English (en)
Other versions
DK399388A (da
DK172568B1 (da
Inventor
Andrew Lord
Lutz C Blank
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 DK399388D0 publication Critical patent/DK399388D0/da
Publication of DK399388A publication Critical patent/DK399388A/da
Application granted granted Critical
Publication of DK172568B1 publication Critical patent/DK172568B1/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • 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
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
  • Dc Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
DK198803993A 1987-07-16 1988-07-15 Bitsynkronisering til optiske netværk DK172568B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878716749A GB8716749D0 (en) 1987-07-16 1987-07-16 Bit synchronisation for optical networks
GB8716749 1987-07-16

Publications (3)

Publication Number Publication Date
DK399388D0 true DK399388D0 (da) 1988-07-15
DK399388A DK399388A (da) 1989-01-17
DK172568B1 DK172568B1 (da) 1999-01-18

Family

ID=10620744

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198803993A DK172568B1 (da) 1987-07-16 1988-07-15 Bitsynkronisering til optiske netværk

Country Status (11)

Country Link
US (1) US4982446A (da)
EP (1) EP0300649B1 (da)
JP (1) JP2601518B2 (da)
AT (1) ATE110203T1 (da)
CA (1) CA1301251C (da)
DE (1) DE3851105T2 (da)
DK (1) DK172568B1 (da)
ES (1) ES2056931T3 (da)
FI (1) FI92447C (da)
GB (1) GB8716749D0 (da)
NO (1) NO300350B1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156606A3 (en) * 1991-10-21 2004-02-04 Nec Corporation An optical transmission system
US5299044A (en) * 1992-08-24 1994-03-29 At&T Bell Laboratories Ranging method for use in TDMA systems on tree-and-branch optical networks
JP3143554B2 (ja) * 1993-12-09 2001-03-07 キヤノン株式会社 光通信方法及び光通信システム
JP2962219B2 (ja) * 1996-02-26 1999-10-12 日本電気株式会社 光受信器
US6792174B1 (en) 1999-11-02 2004-09-14 Nortel Networks Limited Method and apparatus for signaling between an optical cross-connect switch and attached network equipment
US6882765B1 (en) 1999-11-02 2005-04-19 Xros, Inc. Connection protection between clients and optical cross-connect switches
US6597826B1 (en) 1999-11-02 2003-07-22 Xros, Inc. Optical cross-connect switching system with bridging, test access and redundancy
US6650803B1 (en) * 1999-11-02 2003-11-18 Xros, Inc. Method and apparatus for optical to electrical to optical conversion in an optical cross-connect switch
US6571030B1 (en) 1999-11-02 2003-05-27 Xros, Inc. Optical cross-connect switching system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1158739A (en) * 1980-04-30 1983-12-13 William Rodman Distributed network synchronization system
JPS5916453B2 (ja) * 1981-12-03 1984-04-16 株式会社リコー 光デ−タ通信システム
CA1227844A (en) * 1983-09-07 1987-10-06 Michael T.H. Hewitt Communications network having a single node and a plurality of outstations
US4606023A (en) * 1984-05-31 1986-08-12 Applied Dynamic Research, Inc. Guard time elimination in a time-division multiplexed, active star-coupled, half-duplex mode, synchronous communications network

Also Published As

Publication number Publication date
FI883369A (fi) 1989-01-17
ES2056931T3 (es) 1994-10-16
FI883369A0 (fi) 1988-07-15
DE3851105D1 (de) 1994-09-22
DK399388A (da) 1989-01-17
US4982446A (en) 1991-01-01
NO300350B1 (no) 1997-05-12
JPH01126037A (ja) 1989-05-18
ATE110203T1 (de) 1994-09-15
CA1301251C (en) 1992-05-19
NO883159L (no) 1989-01-17
FI92447C (fi) 1994-11-10
GB8716749D0 (en) 1987-08-19
EP0300649A1 (en) 1989-01-25
NO883159D0 (no) 1988-07-15
JP2601518B2 (ja) 1997-04-16
EP0300649B1 (en) 1994-08-17
DK172568B1 (da) 1999-01-18
FI92447B (fi) 1994-07-29
DE3851105T2 (de) 1995-02-23

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed