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Method and device for obtaining fiber connection relationship in reconfigurable optical add/drop multiplexer

An optical add-drop multiplexing and relational technology, applied in the field of optical processing, can solve problems such as error-prone, ineffective business scheduling, long working hours, etc., achieve accurate and efficient acquisition, reduce manual workload, and avoid manual operations.

Active Publication Date: 2013-01-30
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The larger the N is, the more connection relationships between ports. In order to accurately perform service scheduling, it is necessary to know exactly which pair of ports of the WSS has a fiber connection relationship. If the actual connection of the fibe

Method used

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  • Method and device for obtaining fiber connection relationship in reconfigurable optical add/drop multiplexer
  • Method and device for obtaining fiber connection relationship in reconfigurable optical add/drop multiplexer
  • Method and device for obtaining fiber connection relationship in reconfigurable optical add/drop multiplexer

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Embodiment 1

[0034] An embodiment of the present invention provides a method for obtaining the internal fiber connection relationship of a reconfigurable optical add-drop multiplexing device, such as figure 1 As shown, the method includes:

[0035] 101. Obtain a logical optical propagation path between the output port of the wavelength selective switch at the receiving end and the input port of the wavelength selective switch at the transmitting end.

[0036] Wherein, the logical optical propagation path is that the optical signal sequentially passes through an input port of the wavelength selective switch at the receiving end, an output port of the wavelength selective switch at the receiving end, an input port of the wavelength selective switch at the transmitting end, and an output port of the wavelength selective switch at the transmitting end the path traveled. The logical optical propagation path is a virtual optical propagation path, which is a path that an optical signal may pass ...

Embodiment 2

[0048] The embodiment of the present invention provides a method for obtaining the internal fiber connection relationship of reconfigurable optical add-drop multiplexing equipment, which can be applied to such as figure 2In the shown RODAM (Reconfigurable Optical Add / Drop Multiplexer, reconfigurable optical add / drop multiplexer) system based on WSS (Wavelength Selective Switch, wavelength selective switch), the system includes: WSS, OA (optical amplifier, optical hair Amplifier), OPM (Optical Power Meter, optical power meter). The WSS can be divided into a receiving end WSS and a transmitting end WSS according to configuration locations, and are respectively used for receiving and sending service optical signals. Wherein, each WSS at the receiving end has one input port and multiple output ports, and each WSS at the sending end has one output port and multiple input ports.

[0049] Based on the above-mentioned WSS-based RODAM system structure, taking the fiber connection rel...

Embodiment 3

[0081] An embodiment of the present invention provides a device for obtaining the internal fiber connection relationship of reconfigurable optical add-drop multiplexing equipment, such as Figure 4 As shown, it includes: an acquisition unit 31 , a configuration unit 32 , a light source access unit 33 , an acquisition unit 34 , a determination unit 35 , and a storage unit 36 ​​.

[0082] The acquiring unit 31 is configured to acquire the logical optical propagation path between the output port of the wavelength selective switch at the receiving end and the input port of the wavelength selective switch at the transmitting end.

[0083] The configuring unit 32 is configured to respectively configure different wavelength crossings for the logical optical propagation paths acquired by the acquiring unit 31 .

[0084] The light source access unit 33 is configured to connect a communication light source to the input port of the wavelength selective switch at the receiving end.

[00...

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Abstract

The invention relates to the optical processing technology field and discloses a method and a device for obtaining the fiber connection relationship in a reconfigurable optical add/drop multiplexer, capable of accurately and efficient obtaining the fiber connection relationship in a reconfigurable optical add/drop multiplexer. The method of the invention comprises obtaining a logic light transmission path between an egress port of a receiving-end wavelength selection switch and an ingress port of an emitting-end wavelength selection switch; configuring different wavelength cross for the logic light transmission path obtained; accessing a communication light source at the ingress port of the receiving-end wavelength selection switch; acquiring the optical signal wavelength of the egress port of the emitting-end wavelength selection switch; determining a logic light transmission path corresponding to the acquired optical signal wavelength, according to the acquired optical signal wavelength; determining the fiber connection relationship between the egress port of the receiving-end wavelength selection switch and the ingress port of the emitting-end wavelength selection switch, in accordance with the logic light transmission path corresponding to the acquired optical signal wavelength, and storing the fiber connection relationship. Embodiments of the invention are mainly used in the process of obtaining the fiber connection relationship in a reconfigurable optical add/drop multiplexer.

Description

technical field [0001] The invention relates to the field of optical processing technology, in particular to a method and a device for obtaining the internal fiber connection relationship of reconfigurable optical add-drop multiplexing equipment. Background technique [0002] DWDM dense wavelength division multiplexing system is currently the most common optical layer networking technology, through the multiplexer / demultiplexer can realize the transmission capacity of dozens of waves or even hundreds of waves, with the needs of IP and packetization of business networks More and more, the WDM network has gradually evolved from the traditional point-to-point line system to a Mesh system that can realize wavelength intelligent scheduling. Reconfigurable Optical Add / Drop Multiplexer (ROADM) is the realization The main enabling technology of optical layer reconfiguration, which can complete the add / drop (Add / Drop) of optical channels on one node, and the wavelength-level cross-sc...

Claims

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Application Information

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IPC IPC(8): H04J14/02H04B10/12G02B6/293
CPCH04J14/0213H04J14/0212H04Q11/0005H04Q2011/0016
Inventor 韩建蕊张森
Owner GLOBAL INNOVATION AGGREGATORS LLC
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