DE68909828D1 - Kommunikationssystem. - Google Patents

Kommunikationssystem.

Info

Publication number
DE68909828D1
DE68909828D1 DE89302818T DE68909828T DE68909828D1 DE 68909828 D1 DE68909828 D1 DE 68909828D1 DE 89302818 T DE89302818 T DE 89302818T DE 68909828 T DE68909828 T DE 68909828T DE 68909828 D1 DE68909828 D1 DE 68909828D1
Authority
DE
Germany
Prior art keywords
block
wavelength
services
time division
bidirectional
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.)
Expired - Lifetime
Application number
DE89302818T
Other languages
English (en)
Other versions
DE68909828T2 (de
Inventor
John Leonard Adams
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10634053&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68909828(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE68909828D1 publication Critical patent/DE68909828D1/de
Application granted granted Critical
Publication of DE68909828T2 publication Critical patent/DE68909828T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/08Time-division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0226Fixed carrier allocation, e.g. according to service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0227Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0228Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths
    • H04J14/023Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON]
    • H04J14/0232Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON] for downstream transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0227Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0247Sharing one wavelength for at least a group of ONUs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0227Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249Wavelength 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
    • H04J14/0252Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0278WDM optical network architectures
    • H04J14/0282WDM tree architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0682Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1694Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
DE89302818T 1988-03-24 1989-03-21 Kommunikationssystem. Expired - Lifetime DE68909828T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888807050A GB8807050D0 (en) 1988-03-24 1988-03-24 Communication system

Publications (2)

Publication Number Publication Date
DE68909828D1 true DE68909828D1 (de) 1993-11-18
DE68909828T2 DE68909828T2 (de) 1994-04-14

Family

ID=10634053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89302818T Expired - Lifetime DE68909828T2 (de) 1988-03-24 1989-03-21 Kommunikationssystem.

Country Status (11)

Country Link
US (1) US5142532A (de)
EP (1) EP0337619B1 (de)
JP (1) JP3061825B2 (de)
AT (1) ATE95963T1 (de)
AU (1) AU616509B2 (de)
CA (1) CA1324204C (de)
DE (1) DE68909828T2 (de)
ES (1) ES2046466T3 (de)
GB (1) GB8807050D0 (de)
HK (1) HK135296A (de)
WO (1) WO1989009518A1 (de)

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Also Published As

Publication number Publication date
GB8807050D0 (en) 1988-04-27
HK135296A (en) 1996-08-02
AU3364389A (en) 1989-10-16
CA1324204C (en) 1993-11-09
AU616509B2 (en) 1991-10-31
DE68909828T2 (de) 1994-04-14
EP0337619B1 (de) 1993-10-13
WO1989009518A1 (en) 1989-10-05
JP3061825B2 (ja) 2000-07-10
US5142532A (en) 1992-08-25
ES2046466T3 (es) 1994-02-01
JPH03504308A (ja) 1991-09-19
EP0337619A1 (de) 1989-10-18
ATE95963T1 (de) 1993-10-15

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