ATE143545T1 - Distanzmessungsverfahren und sende- empfangsstation zur durchführung des verfahrens - Google Patents

Distanzmessungsverfahren und sende- empfangsstation zur durchführung des verfahrens

Info

Publication number
ATE143545T1
ATE143545T1 AT91119312T AT91119312T ATE143545T1 AT E143545 T1 ATE143545 T1 AT E143545T1 AT 91119312 T AT91119312 T AT 91119312T AT 91119312 T AT91119312 T AT 91119312T AT E143545 T1 ATE143545 T1 AT E143545T1
Authority
AT
Austria
Prior art keywords
measurement
wavelength
transmitting
carrying
distance measuring
Prior art date
Application number
AT91119312T
Other languages
English (en)
Inventor
Alessandro Bianchi
Giuseppe Comito
Andrea Fantini
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Application granted granted Critical
Publication of ATE143545T1 publication Critical patent/ATE143545T1/de

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
    • 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
    • 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
    • H04B10/272—Star-type networks or tree-type networks
    • H04B10/2725—Star-type networks without a headend
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0247—Sharing one wavelength for at least a group of ONUs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/025—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU using one wavelength per ONU, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/0252—Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0226—Fixed carrier allocation, e.g. according to service

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT91119312T 1990-11-22 1991-11-13 Distanzmessungsverfahren und sende- empfangsstation zur durchführung des verfahrens ATE143545T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02215790A IT1244150B (it) 1990-11-22 1990-11-22 Metodo per misurazione di distanze e stazione trasmittente e ricevente per realizzare tale metodo.

Publications (1)

Publication Number Publication Date
ATE143545T1 true ATE143545T1 (de) 1996-10-15

Family

ID=11192360

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91119312T ATE143545T1 (de) 1990-11-22 1991-11-13 Distanzmessungsverfahren und sende- empfangsstation zur durchführung des verfahrens

Country Status (10)

Country Link
US (1) US5212534A (de)
EP (1) EP0486931B1 (de)
JP (1) JPH04299278A (de)
KR (1) KR0148584B1 (de)
AT (1) ATE143545T1 (de)
CA (1) CA2055954C (de)
DE (1) DE69122352T2 (de)
ES (1) ES2094780T3 (de)
IT (1) IT1244150B (de)
TW (1) TW209275B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224339A1 (de) * 1992-07-23 1994-01-27 Sel Alcatel Ag Bussystem für ein lokales Operationsnetzwerk
US5808761A (en) * 1993-07-15 1998-09-15 Gec-Marconi Limited Path integrity proving in optical communications systems
GB2280326B (en) * 1993-07-15 1997-04-23 Marconi Gec Ltd Optical communication systems
GB2291298B (en) * 1994-07-07 1998-07-22 Plessey Telecomm Telecommunications Network
US5715074A (en) * 1995-04-14 1998-02-03 Netsu; Yutaka Duplex switching apparatus
IT1277334B1 (it) * 1995-07-25 1997-11-10 Italtel Spa Metodo e dispositivo per la sincronizzazione ( coarse ranging ) di un sistema tdma pon
JP3319331B2 (ja) 1997-04-04 2002-08-26 日本電気株式会社 双方向通信システムにおける遅延量／送信レベル設定方式
JP3047970B2 (ja) * 1997-11-21 2000-06-05 日本電気株式会社 Ｐｄｓ構成の光加入者系システム
JP3444804B2 (ja) * 1998-11-27 2003-09-08 沖電気工業株式会社 伝送装置
CN100479352C (zh) 2006-02-21 2009-04-15 华为技术有限公司 光随路信号加载、监控的方法及装置
JP5724431B2 (ja) * 2011-02-16 2015-05-27 日本電気株式会社 スパンロスモニタシステム及びスパンロスモニタ方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169047A (ja) * 1985-01-22 1986-07-30 Kokusai Denshin Denwa Co Ltd <Kdd> 光フアイバ伝送路の伝搬遅延時間変動量検出方式
GB8906937D0 (en) * 1989-03-28 1989-05-10 Plessey Telecomm Testing optical fibre links

Also Published As

Publication number Publication date
IT1244150B (it) 1994-07-08
DE69122352T2 (de) 1997-02-27
ES2094780T3 (es) 1997-02-01
EP0486931A2 (de) 1992-05-27
CA2055954A1 (en) 1992-05-23
DE69122352D1 (de) 1996-10-31
IT9022157A1 (it) 1992-05-23
IT9022157A0 (it) 1990-11-22
EP0486931B1 (de) 1996-09-25
EP0486931A3 (en) 1993-01-27
KR920011114A (ko) 1992-06-27
US5212534A (en) 1993-05-18
JPH04299278A (ja) 1992-10-22
TW209275B (de) 1993-07-11
KR0148584B1 (ko) 1998-11-02
CA2055954C (en) 1996-12-31

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee