Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and system for processing damage in WDM system

A fault handling method and wavelength division multiplexing technology, applied in the direction of wavelength division multiplexing system, etc., can solve problems such as blind waiting, signal loss, and ignorance of network resource status and control process at the service layer, so as to avoid resource waste and improve Reliability, the effect of avoiding line connection confusion

Inactive Publication Date: 2011-04-20
ZTE CORP
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the layered design of the network, the client layer network does not know the network resource status and control process of the server layer, and blindly waits, which directly leads to the extension of the protection switching time, which will lead to the loss of some signals

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and system for processing damage in WDM system
  • Method and system for processing damage in WDM system
  • Method and system for processing damage in WDM system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] Such as figure 1 As shown, the present invention includes a protection switching and demultiplexing device (D), a WDM system signaling processor (osca), a photoelectric receiver (a31, a32, ..., a3n) of n wavelength channels at the receiving end, and a power detection device (pt), protection switching controller (sc), dummy frame generator (c), 1:n switching circuit (s) with unicast and / or broadcast capability, optical transmitter for n wavelength channels (a41, a42,..., a4n), the protection switching and demultiplexing device (D) is connected with the signaling processor (osc), n photoelectric receivers (a31, a32,..., a3n) are respectively connected with the protection switching and demultiplexing Each output branch of the wave device (D) is connected correspondingly, the power detector (pt) is connected with the photoelectric receiver phase (a31, a32, ..., a3n) to realize fault detection and fault repair detection, and the protection switching controller ( sc) is conn...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an error handling method and system for wavelength division multiplexing system. The method includes the following steps: detecting capability and synchronization / spending for the signal in channel to gain error starting information; shielding the error and orienting the error, if it is the wavelength division system protecting error, continuing to step 3, else reliving the shield; repairing the error and reliving shield and return to step 1. The system includes protecting rearrange and wavelength division device, signaling processor, photoelectricity receiver, power detector, protecting rearrange controller, light emitter, frame generator and 1: n switch circuit.

Description

technical field [0001] The invention relates to a fault handling method and system of a wavelength division multiplexing system, in particular to a method and system for performing protection switching coordination control between a service layer network and a client layer network of the wavelength division multiplexing system. Background technique [0002] The evolution of the current WDM (Wavelength Division Multiplex, Wavelength Division Multiplex) optical network is very similar to the SDH (Synchronos Digital Hierarchy) network, in terms of network composition. SDH has several network elements such as TM, ADM, and DXC. The network topology has passed through several development stages of point-to-point, self-healing ring and DXC-based mesh network. The WDM optical network is also similar to this. There are several network elements such as back-to-back WDM terminals, OADM, and OXC. The network topology also goes through several development stages of point-to-point linear ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04J14/02
Inventor 王加莹孙德胜王振宇
Owner ZTE CORP