SE9903734L - Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber - Google Patents

Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber

Info

Publication number
SE9903734L
SE9903734L SE9903734A SE9903734A SE9903734L SE 9903734 L SE9903734 L SE 9903734L SE 9903734 A SE9903734 A SE 9903734A SE 9903734 A SE9903734 A SE 9903734A SE 9903734 L SE9903734 L SE 9903734L
Authority
SE
Sweden
Prior art keywords
amplifier
channel group
routed
arrangement
fiber
Prior art date
Application number
SE9903734A
Other languages
English (en)
Other versions
SE521823C2 (sv
SE9903734D0 (sv
Inventor
Torbjoern Svensson
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Priority to SE9903734A priority Critical patent/SE521823C2/sv
Publication of SE9903734D0 publication Critical patent/SE9903734D0/sv
Priority to PCT/SE2000/002015 priority patent/WO2001029996A1/en
Publication of SE9903734L publication Critical patent/SE9903734L/sv
Publication of SE521823C2 publication Critical patent/SE521823C2/sv

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
SE9903734A 1999-10-18 1999-10-18 Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber SE521823C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9903734A SE521823C2 (sv) 1999-10-18 1999-10-18 Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber
PCT/SE2000/002015 WO2001029996A1 (en) 1999-10-18 2000-10-18 Procedure and arrangement for two-way transmission over a common fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903734A SE521823C2 (sv) 1999-10-18 1999-10-18 Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber

Publications (3)

Publication Number Publication Date
SE9903734D0 SE9903734D0 (sv) 1999-10-18
SE9903734L true SE9903734L (sv) 2001-04-19
SE521823C2 SE521823C2 (sv) 2003-12-09

Family

ID=20417380

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903734A SE521823C2 (sv) 1999-10-18 1999-10-18 Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber

Country Status (2)

Country Link
SE (1) SE521823C2 (sv)
WO (1) WO2001029996A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003007511A1 (en) * 2001-07-13 2003-01-23 Transmode Systems Ab Optical system and method in an optical system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113403A (en) * 1990-10-15 1992-05-12 International Business Machines Corporation Bidirectional free-space optical bus for electronics systems
DE4308553A1 (de) * 1993-03-17 1994-09-22 Siemens Ag Koppelanordnung für bidirektionale optische Nachrichtenübertragung
JP3153406B2 (ja) * 1994-03-03 2001-04-09 松下電器産業株式会社 光回路及びそれを用いた光伝送システム
IT1273465B (it) * 1995-01-27 1997-07-08 Pirelli Cavi Spa Sistema di telecomunicazione ottica bidirezionale comprendente un amplificatore ottico bidirezionale
US5600468A (en) * 1995-02-13 1997-02-04 Jds Fitel Inc. Apparatus for converting wavelength-division multiplexed optical signals
US5926590A (en) * 1995-12-29 1999-07-20 Mci Communications Corporation Power equalizer in a multiple wavelength bidirectional lightwave amplifier

Also Published As

Publication number Publication date
WO2001029996A1 (en) 2001-04-26
SE521823C2 (sv) 2003-12-09
SE9903734D0 (sv) 1999-10-18

Similar Documents

Publication Publication Date Title
US5610744A (en) Optical communications and interconnection networks having opto-electronic switches and direct optical routers
GB9422807D0 (en) Multi-channel optical ring network
SE9703107L (sv) Anordning och förfarande relaterande till optisk transmission
CA2224851C (en) Optical arrangement for amplifying wdm signals
SE9802071L (sv) ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder
DE69012162T2 (de) Kommunikationsnetzwerk.
DE69813606T2 (de) Telekommunikationsnetzwerk mit gemeinsamer schutzfähigkeitsarchitektur
CA2245403A1 (en) Wdm optical network with passive pass-through at each node
EP1418691A3 (en) Passive optical network using loop back of multi-wavelength light generated at central office
CA2166547A1 (en) Communication System with Traffic Distribution Over Multiple Paths
DE69432965D1 (de) Netzwerk zum Verbinden mehrerer Knoten durch Verwendung mehreren Kanäle
US20050069319A1 (en) Passive optical network with optical fiber amplifier
CN1372398A (zh) 波分复用线路倒换环通用节点保护装置
CA2472322A1 (en) Noise reduction in optical communications networks
US6081368A (en) Optical amplifier for bi-directional WDM optical communications systems
CN101145854B (zh) 一种单纤双向wdm系统实现光放大的装置
DE60333445D1 (de) Optischer querverbinder mit mehrstufigem clos-netzwerk, wobei eine einstufige matrix eine stufe des clos-netzwerks umfasst
US20080259438A1 (en) Bidirectional optical amplifier
FI20012570A0 (sv) Optiskt överföringsnät
DE50103103D1 (de) Netzwerk mit redundanz-eigenschaften sowie netzwerkteilnehmer, insbesondere feldgerät, für ein derartiges netzwerk
SE9903734L (sv) Förfarande och arrangemang för dubbelriktad transmission över en gemensam fiber
SE519255C2 (sv) ADD/Drop-nod för WDM med låg förlust
EP1317084A3 (en) Optical amplifier arrangement
DE60000102T2 (de) Regeneriertes optisches WDM Übertragungssystem
SE9602806D0 (sv) Optical network

Legal Events

Date Code Title Description
NUG Patent has lapsed