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New multilayer multiple size light cross connecting structure

An optical cross-connect, multi-granularity technology, applied in optical fiber transmission, selection device of multiplexing system, electromagnetic wave transmission system, etc. Reduce the effect of switching devices

Inactive Publication Date: 2007-01-24
CHONGQING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0006] The purpose of the present invention is to address the shortcomings of the traditional multi-layer multi-granularity optical cross-connect structure, expand the traditional multi-layer multi-granularity optical cross-connect structure, and propose a multi-layer multi-granularity optical cross-connect structure to solve its signal loss and distortion larger defect

Method used

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  • New multilayer multiple size light cross connecting structure
  • New multilayer multiple size light cross connecting structure
  • New multilayer multiple size light cross connecting structure

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Embodiment Construction

[0013] figure 1 Shown is a schematic diagram of the novel multi-layer multi-granularity optical cross-connect structure of the present invention. Its main part is composed of space exchange units with three granularities of optical fiber, waveband, and wavelength connected through corresponding connection modules. Part of the output of the FXC space exchange unit (101) is connected to part of the input of the BXC space exchange unit (102) through the optical fiber to the band connection module F2B (10103), and part of the output of the BXC space exchange unit is connected to the optical fiber connection module through the band B2F (10203) is connected to part of the input end of FXC space exchange unit; part of the output of FXC space exchange unit (101) is connected to part of the input end of WXC space exchange unit (103) through fiber-to-wavelength connection module F2W (10104), and WXC space exchange Part of the output of the unit (103) is connected to part of the input o...

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Abstract

This invention relates to a new type of multilayer MG-OXCs structure, compared with traditional multilayer MG-OXCs, this invention induces a connecting module between the fiber level and wave band level on the basis of multilayer MG-OXCs to connect the FXC and the WXC space exchange units by F2W and W2F connecting module to lead related signals to enter into exchange matrixes of corresponding layers for transformation.

Description

Technical field: [0001] The invention relates to the field of optical fiber communication, in particular to a switching node structure in an optical switching network. Background technique: [0002] Multi-granularity switching means that switching nodes can simultaneously switch multiple optical signals of different granularities, mainly including optical fiber-level signals, band-level signals, and wavelength-level signals. The waveband signal is composed of a certain number of wavelengths. At the switching node, a waveband signal containing a certain number of wavelength signals only uses one switching port, while the traditional switching structure needs to use switching ports equal to the number of wavelengths. A waveband refers to a group of continuous wavelength channels, and the number of wavelengths contained in a waveband can be fixed or variable. In the multi-granularity optical switching network composed of multi-granularity optical cross-connects (MG-OXCs), FXC ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/12H04Q3/52H04B10/25H04Q11/00
Inventor 隆克平王飞黄胜阳小龙李培江邝育军
Owner CHONGQING UNIV OF POSTS & TELECOMM
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