SE9903734L - Method and arrangement for bidirectional transmission over a common fiber - Google Patents
Method and arrangement for bidirectional transmission over a common fiberInfo
- 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
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
Abstract
The invention relates to a procedure and an arrangement for two-way transmission over a common fiber, more exact an architecture to, in a common transmission fiber, create a division of traffic channels in two-way transmission with common amplification. Traffic is routed through a connection (1) with channels with a plurality of nodes, which each has an optical amplifier (2). According to the invention, a first channel group (5) coming in in one direction at one side of each amplifier is routed to the input of the amplifier, and a second channel group (6), which is coming in in opposite direction at the other side of each amplifier, also to the input of the amplifier. The traffic from the output of the amplifier is divided so that the first channel group (5) is routed further at the other side of the amplifier (2) in one direction of the connection (1), and the second channel group (6) is routed further along the connection (1) in opposite direction. The invention can be used to increase the capacity of fiber optical links and also to effect protection switching of ring networks.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9903734A SE521823C2 (en) | 1999-10-18 | 1999-10-18 | Method and arrangement for bidirectional transmission over a common 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 (en) | 1999-10-18 | 1999-10-18 | Method and arrangement for bidirectional transmission over a common fiber |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9903734D0 SE9903734D0 (en) | 1999-10-18 |
SE9903734L true SE9903734L (en) | 2001-04-19 |
SE521823C2 SE521823C2 (en) | 2003-12-09 |
Family
ID=20417380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9903734A SE521823C2 (en) | 1999-10-18 | 1999-10-18 | Method and arrangement for bidirectional transmission over a common fiber |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE521823C2 (en) |
WO (1) | WO2001029996A1 (en) |
Families Citing this family (1)
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)
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 (en) * | 1993-03-17 | 1994-09-22 | Siemens Ag | Coupling arrangement for two-way optical communication |
JP3153406B2 (en) * | 1994-03-03 | 2001-04-09 | 松下電器産業株式会社 | Optical circuit and optical transmission system using the same |
IT1273465B (en) * | 1995-01-27 | 1997-07-08 | Pirelli Cavi Spa | BIDIRECTIONAL OPTICAL TELECOMMUNICATION SYSTEM INCLUDING A BIDIRECTIONAL OPTICAL AMPLIFIER |
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 |
-
1999
- 1999-10-18 SE SE9903734A patent/SE521823C2/en not_active IP Right Cessation
-
2000
- 2000-10-18 WO PCT/SE2000/002015 patent/WO2001029996A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2001029996A1 (en) | 2001-04-26 |
SE9903734D0 (en) | 1999-10-18 |
SE521823C2 (en) | 2003-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |