WO2019218535A1 - 一种基于光通道路径的纤缆光功率自动调整方法及系统 - Google Patents

一种基于光通道路径的纤缆光功率自动调整方法及系统 Download PDF

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WO2019218535A1
WO2019218535A1 PCT/CN2018/103222 CN2018103222W WO2019218535A1 WO 2019218535 A1 WO2019218535 A1 WO 2019218535A1 CN 2018103222 W CN2018103222 W CN 2018103222W WO 2019218535 A1 WO2019218535 A1 WO 2019218535A1
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optical
cable
optical power
disk
adjustment
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English (en)
French (fr)
Inventor
张德超
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Fiberhome Telecommunication Technologies Co Ltd
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Fiberhome Telecommunication Technologies Co Ltd
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Priority to MYPI2020003885A priority patent/MY208590A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0083—Testing; Monitoring

Definitions

  • the present invention relates to the field of OTN (Optical Transport Network) device management, and in particular to a method and system for automatically adjusting optical cable optical power based on an optical channel path.
  • OTN Optical Transport Network
  • the WDM Widelength Division Multiplex
  • OCh Optical Channel
  • the OCh path is added, deleted, and modified at any time.
  • the operation makes the performance of the network deteriorating.
  • Traditional manual maintenance methods can no longer meet the needs of network development.
  • the object of the present invention is to overcome the deficiencies of the above background art, and to provide an optical line optical power automatic adjustment method and system based on an optical path, which can intelligently analyze and calculate the optical power parameter setting of the cable link, and automatically configure the network cable device.
  • the parameters are adjusted to achieve the purpose of automatically adjusting the optical power of the cable link, thereby meeting the needs of existing OTN network management for optical layer signal performance setting and adjustment.
  • the present invention provides an optical channel optical power automatic adjustment method based on an optical path, which includes the following steps: A. Adjusting a node object to a network element included in an optical transport network OTN, for each network element
  • the cable link structure adjusts the cable object; B, constructs the fiber link optical power adjustment object through the optical channel OCh, the optical multiplex section OMS path analysis, and associates with the adjustment node object and the adjustment cable object;
  • the optical power adjustment object of the cable link obtains the optical power performance parameter of each monitoring point from the device, and calculates the optical power adjustment parameter by using the obtained optical power performance parameter;
  • D the optical power adjustment parameter is sent to the device for setting.
  • the structure of the adjustment node object includes signal monitoring and adjustment parameters corresponding to each type of optical amplification disk and optical monitoring disk included in the node, and records the single-wave average optical power of the optical amplification disk and the amplifier model.
  • Gain constructed adjustment cable object, including cable optical layer signal monitoring and adjustment parameters, recorded cable type, length, design loss.
  • the specific process of constructing the optical power adjustment object of the cable link through the OCh and OMS path analysis includes:
  • step B2 checking the OMS information constructed in step B1, searching for the optical amplification disk of the optical signal monitoring disk connected to the OMS starting point and the end point in the OCh path route respectively; recording the optical signal monitoring disk of the starting point and the ending point in the OMS information in;
  • the cable link between the network elements is extracted according to the order of the OCh route from the source to the sink, and the optical fiber link optical power adjustment object is constructed.
  • the constructed OCh path routing data includes all the disks that the OCh path routes pass through; the constructed OMS information includes the location information of the OMS starting and ending points in the OCh path routing. .
  • step B2 the optical signal monitoring disk connected to the optical amplifying disk is obtained through the optical fiber connection information of the network element.
  • step B3 when constructing the optical power adjustment object of the cable link, the light of both ends of the corresponding cable is obtained by searching the OCh path routing data and the OMS information data to which the cable link belongs.
  • the amplification disk, the source of the OMS layer where the cable is located, the sink signal monitoring disk, and the adjustment cable object construct a cable link optical power adjustment object.
  • the specific process for obtaining the optical power performance parameters of each monitoring point from the device through the optical fiber link optical power adjustment object includes:
  • the number of wavelength channels included in the cable link is obtained by the optical signal monitoring disk included in the fiber link optical power adjustment object; the number of the wavelength channels includes the number of wavelength channels acquired by the source optical signal monitoring disk;
  • the source and sink optical amplification disks included in the fiber link optical power adjustment object are used to obtain the optical fiber cable input and output power; the fiber link input and output power includes the source optical amplification disk input optical power and source.
  • the end optical amplifying disk outputs optical power; the cable parameter is obtained by adjusting the cable object included in the fiber link optical power adjustment object; the cable parameter includes a sink optical amplifying disk gain.
  • the optical power adjustment parameter includes: an optical power expected value of the source optical amplifying disk of the cable link optical power adjustment target, and a sink optical amplification disk of the optical fiber link optical power adjustment target
  • the attenuation compensation value; in step C, the specific process for calculating the optical power adjustment parameter by using the acquired optical power performance parameter includes:
  • the input optical power of the source optical amplifying disk and the number of wavelength channels acquired by the source optical signal monitoring disk are adjusted, and the optical power expected value of the optical amplifying disk of the optical fiber of the cable link is calculated.
  • the optical power of the fiber optic cable adjust the output optical power of the source optical amplifying disk, the attenuation of the cable design, and the gain of the optical amplifier disk, and calculate the attenuation of the optical amplifier disk of the cable link optical power adjustment object. Consumption compensation value.
  • the present invention also provides an optical channel automatic optical cable power adjustment system based on the above method, including a first structural module, a second structural module, an adjustment parameter calculation module, and an adjustment parameter delivery module; And: adjusting the node object to the network element structure included in the OTN network, and adjusting the cable object structure for the cable link structure between the network elements; the second structure module is configured to: construct the fiber cable link by using OCh and OMS path analysis
  • the optical power adjustment object is associated with the adjustment node object and the adjustment cable object;
  • the adjustment parameter calculation module is configured to: obtain the optical power performance parameter of each monitoring point from the device through the fiber link optical power adjustment object, and use the acquired
  • the optical power performance parameter calculates the optical power adjustment parameter;
  • the adjustment parameter delivery module is used to: send the optical power adjustment parameter to the device for setting.
  • the present invention analyzes and decomposes the connection between the OCh path and the single disk, and extracts the OMS (Optical Multiplex Section) monitoring disk information and the cable link information included in the OCh, and the intelligence. Analyze and calculate the optical power parameter settings of the cable link, and automatically adjust the parameters to the network equipment to achieve the purpose of automatically adjusting the optical power of the cable link, so as to meet the needs of the existing OTN network management for optical layer signal performance setting and adjustment. .
  • OMS Optical Multiplex Section
  • FIG. 1 is a flowchart of a method for automatically adjusting optical power of a fiber optic cable based on an optical channel path according to an embodiment of the present invention
  • 2 is a schematic diagram showing the static relationship between the adjusted node object, the adjustment cable object, and the fiber link optical power adjustment object;
  • FIG. 3 is a diagram showing an example of a fiber optic cable link optical power adjustment object constructed
  • FIG. 4 is a flowchart of a method for automatically adjusting optical power of a cable based on an optical path according to another embodiment of the present invention
  • FIG. 5 is a structural block diagram of an optical power cable automatic adjustment system based on an optical path in an embodiment of the present invention.
  • the embodiment of the present application provides a method and system for automatically adjusting the optical power of a fiber optic cable based on an optical path, which solves the problem that the traditional manual maintenance method in the prior art can not meet the needs of network development, and an intelligent and automated network is urgently needed. Manage maintenance methods to meet the needs of existing OTN network management for optical layer signal performance settings and adjustments.
  • the general technical solution of the embodiment of the present application is as follows: by analyzing and decomposing the OCh path and the connection between the single disks, extracting the OMS monitoring disk information and the cable link information included in the OCh, intelligent analysis And calculating the optical power parameter setting of the cable link, automatically configuring the adjustment parameters to the network device, so as to achieve the purpose of automatically adjusting the optical power of the cable link, thereby meeting the needs of the existing OTN network management for optical layer signal performance setting and adjustment.
  • this embodiment provides an optical channel optical power automatic adjustment method based on an optical path, and the method includes the following steps:
  • Step A constructing and adjusting a node object for the network element included in the OTN network that needs to automatically adjust the optical power of the cable; and performing a cable link between the network elements in the OTN network that needs to automatically adjust the optical power of the cable.
  • Construct the adjustment cable object In actual operation, the node object is adjusted by the parameter structure involving the wavelength and the line power in the node and the node; the cable object is adjusted by the cable parameter and the link structure.
  • the structured adjustment node object includes signal monitoring and adjustment parameters corresponding to each type of optical amplification disk and optical monitoring disk included in the node, and records the single-wave average optical power, the amplifier model, and the gain of the optical amplification disk.
  • the constructed adjustment cable object contains cable optical layer signal monitoring and adjustment parameters, recording cable type, length, and design attenuation.
  • Step B Construct an optical power adjustment object of the cable link through the OCh and OMS path analysis, and associate with the adjustment node object and the adjustment cable object.
  • Step C Obtain an optical power performance parameter of each monitoring point from the device through the optical link adjustment object of the cable link, and calculate an optical power adjustment parameter by using the obtained optical power performance parameter.
  • Step D Send the optical power adjustment parameter to the device for setting.
  • the optical power adjustment parameter is sent to the source and the sink optical amplification disk of the cable link optical power adjustment object for setting, thereby realizing automatic adjustment of the optical power of the source and sink optical amplification disks to achieve automatic adjustment.
  • the purpose of fiber optic link optical power is to meet the needs of existing OTN network management for optical layer signal performance setting and adjustment.
  • the optical link adjustment object of the cable link is constructed by OCh and OMS path analysis, and is associated with the adjusted node object and the adjusted cable object; the optical power adjustment object is passed through the cable link.
  • the method for automatically adjusting the optical power of the cable based on the optical path is provided in the embodiment, and the basic steps are the same as those in the first embodiment.
  • the difference is that in the step B of the method, the cable is constructed by OCh and OMS path analysis.
  • the specific process of the link optical power adjustment object includes:
  • Step B1 Establish an end-to-end OCh object from the source node to the sink node, construct an OCh path routing data, analyze and decompose the OCh path routing data, and obtain an optical splitting disc, an optical add/drop multiplex disc, and a wavelength selection disc.
  • This is a segmentation point to divide the OCh path routing data, and segmentally constructs OMS information.
  • the constructed OCh path routing data includes all the disks that the OCh path routes pass through; the constructed OMS information includes the location information of the OMS starting and ending points in the OCh path routing.
  • Step B2 Check the OMS information constructed in step B1, and search for the optical amplification disk of the optical signal monitoring panel connected to the OMS starting point and the end point in the OCh path route respectively; record the optical signal monitoring disk of the starting point and the end point in the OMS. Information.
  • the optical signal monitoring disk connected to the optical amplification disk is obtained through the internal fiber connection information of the network element.
  • step B3 according to the OCh path routing data constructed in step B1 and the OMS information recorded in step B2, the cable link between the network elements is extracted according to the order of the OCh route from source to sink, and the optical power of the cable link is constructed. Adjust the object. Specifically, in the step B3, when constructing the optical power adjustment target of the cable link, the optical amplifier disk at both ends of the corresponding cable is obtained by searching the OCh path routing data and the OMS information data to which the cable link belongs. The source of the OMS layer where the cable is located, the sink signal monitoring panel, and the adjustment cable object construct a cable link optical power adjustment object.
  • the static relationship between the adjusted node object, the adjustment cable object, and the cable link optical power adjustment object is as shown in FIG. 2: the node object is adjusted, and the node information and the node internal disk adjustment parameters are included; Cable object, including cable information and adjustment parameters; cable link optical power adjustment object is constructed by relying on OCh, OMS path information, including disk, link, and through disk, link and adjustment node object, adjusting cable object Association.
  • the optical power adjustment object of the cable link finally constructed through the above steps B1 to B3 can be as shown in FIG. 3: the optical power adjustment object of the cable link includes three nodes and two cables; three nodes
  • the optical amplifier disk includes a source, a relay, and a sink. Meanwhile, the source and sink nodes include an optical signal monitoring disk connected to the optical amplifying disk.
  • the optical channel automatic optical fiber power adjustment method based on the optical path is provided in the embodiment, and the basic steps are the same as those in the first embodiment. The difference is that in the step C of the method, the optical power of the cable link is adjusted.
  • the specific processes for obtaining the optical power performance parameters of each monitoring point from the device include:
  • the calculated optical power adjustment parameters include: The optical power expected value of the source optical amplifying disk of the cable link optical power adjustment target, and the attenuation compensation value of the sink optical amplifying disk of the cable link optical power adjustment target.
  • the specific process of calculating the optical power adjustment parameter by using the acquired optical power performance parameters includes:
  • the expected optical power of the source optical amplifying disk is P+10*log(N);
  • P is the input optical power of the source optical amplifying disk
  • N is the number of wavelength channels acquired by the source optical signal monitoring disk
  • the attenuation compensation value of the sink-side optical amplifying disk the output optical power of the source-side optical amplifying disk - the cable design attenuation + the sink-side optical amplifying disk gain.
  • the method for automatically adjusting the optical power of the cable based on the optical path is provided in the embodiment, and the basic steps are the same as those in the first embodiment, except that the method further combines all the features of the second embodiment to the fourth embodiment. Specifically, referring to FIG. 4, the method includes the following steps:
  • S1 adjusting a node object by using a parameter structure involving a wavelength and a line power in a node and a network element included in the OTN network that needs to automatically adjust the optical power of the cable;
  • step S4 Check the OMS information constructed in step S3, and search for the optical amplification disk connected to the optical signal monitoring disk closest to the OMS start point and the end point in the OCh path route respectively; record the optical signal monitoring disk of the start point and the end point in the OMS information. in;
  • step S5 According to the OCh path routing data constructed in step S3 and the OMS information recorded in step S4, the cable link between the network elements is extracted according to the order of the OCh route from the source to the sink, and the optical power adjustment of the cable link is constructed.
  • an optical signal monitoring disk included in the fiber optic cable of the constructed fiber link to obtain a number of wavelength channels included in the cable link, where the number of the wavelength channels includes a wavelength channel acquired by the source optical signal monitoring disk.
  • the source and sink optical amplifying discs included in the optical power adjustment object of the fiber optic cable link acquire the incoming and outgoing optical power of the cable link, and the input and output optical power of the cable link includes the input optical power of the source optical amplifying disk. And outputting the optical power of the source optical amplifying disk; acquiring the cable parameter by the adjusting cable object included in the optical link adjustment object of the cable link, wherein the cable parameter comprises a gain of the optical amplifier disk of the sink end;
  • the calculated optical power expected value of the source optical amplifying disk and the attenuation compensation value of the sink optical amplifying disk are sent to the source of the cable optical power adjustment target, and the sink optical amplifying disk is set.
  • an embodiment of the present invention further provides an optical channel path-based cable optical power automatic adjustment system that implements the above method. Since the principle of solving the problem is similar to the above method, the implementation of the system can be seen. The implementation of the method, the repetition will not be repeated.
  • the optical channel automatic optical cable power adjustment system based on the optical channel path provided by the embodiment includes a first structural module, a second structural module, an adjustment parameter calculation module, and an adjustment parameter delivery module.
  • the first constructing module is configured to: adjust a node object to a network element structure included in the OTN network, and adjust a cable object object to a cable link structure between the network elements.
  • the second constructing module is configured to: construct an optical power adjustment object of the cable link through the OCh and OMS path analysis, and associate with the adjustment node object and the adjustment cable object.
  • the adjustment parameter calculation module is configured to: obtain optical power performance parameters of each monitoring point from the device through the fiber link optical power adjustment object, and calculate optical power adjustment parameters by using the obtained optical power performance parameters.
  • the adjustment parameter is sent to the module to send the optical power adjustment parameters to the device for setting.

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Abstract

本发明公开了一种基于光通道路径的纤缆光功率自动调整方法及系统，涉及OTN设备管理领域。该方法包括：对OTN网络中所包含的网元构造调整节点对象,对各网元间的纤缆链路构造调整纤缆对象；通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联；通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数；将光功率调整参数下发至设备进行设置。本发明能智能分析和计算纤缆链路光功率参数设置，自动向网络设备配置调整参数，以达成自动调整纤缆链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。

Description

一种基于光通道路径的纤缆光功率自动调整方法及系统 技术领域
本发明涉及OTN(Optical Transport Network，光传送网络)设备管理领域，具体来讲是一种基于光通道路径的纤缆光功率自动调整方法及系统。
背景技术
在OTN光传输网络中，WDM(Wavelength Division Multiplex，波分复用)技术采用了多个光信号处理盘通过盘间光纤连接进行组合完成光信号处理的方式，OCh(Optical channel，光通道)路径会经过大量光信号处理盘，整个路径经过节点多、方向连接复杂，为了保障业务的可靠性、光信号性能达到一定的指标，需要人工进行大量复杂光层性能参数的计算、分析和调整。
随着近年来ROADM(Reconfigured Optical add/drop multiplexer，可重构分插复用)以及WSON(Wavelength Switched Optical Network，智能光交换网络)技术逐渐投入到现网应用，随时进行OCh路径的增删、改动操作使网络的性能日益劣化，传统的人工维护手段已经无法满足网络发展的需要，急需更加智能化、自动化的网络管理维护方法来满足现有OTN网络管理对光层信号性能设置和调整的需要。
发明内容
本发明的目的是为了克服上述背景技术的不足，提供一种基于光通道路径的纤缆光功率自动调整方法及系统，能智能分析和计算纤缆链路光功率参数设置，自动向网络设备配置调整参数，以达成自动调 整纤缆链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。
为达到以上目的，本发明提供一种基于光通道路径的纤缆光功率自动调整方法，包括以下步骤：A、对光传送网络OTN中所包含的网元构造调整节点对象,对各网元间的纤缆链路构造调整纤缆对象；B、通过光通道OCh、光复用段OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联；C、通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数；D、将光功率调整参数下发至设备进行设置。
在上述技术方案的基础上，构造的调整节点对象，包含节点所含的每类光放大盘、光监控盘对应的信号监控和调整参数，记录有光放大盘的单波平均光功率、放大器型号、增益；构造的调整纤缆对象，包含纤缆光层信号监控和调整参数，记录有纤缆类型、长度、设计衰耗。
在上述技术方案的基础上，步骤B中，通过OCh、OMS路径分析构造纤缆链路光功率调整对象的具体流程包括：
B1、建立从源节点到宿节点的端到端OCh对象，构造OCh路径路由数据；分析和分解OCh路径路由数据，获取其中光合分波盘、光分插复用盘、波长选择盘，以此为切分点切分OCh路径路由数据，分段构造OMS信息；
B2、检查步骤B1中所构造的OMS信息，分别在OCh路径路由中查找距离OMS起点、终点最近的连接光信号监控盘的光放大盘；将起点、终点的光信号监控盘记录在该OMS信息中；
B3、根据步骤B1中构造的OCh路径路由数据以及步骤B2中的 OMS信息，依照OCh路由从源到宿的顺序，提取网元间的纤缆链路，构造纤缆链路光功率调整对象。
在上述技术方案的基础上，步骤B1中，构造的OCh路径路由数据，包含了OCh路径路由所经过的所有盘；构造的OMS信息，包含了OMS起、止点在OCh路径路由中的位置信息。
在上述技术方案的基础上，步骤B2中，通过网元内部光纤连接信息，获取到与光放大盘相连接的光信号监控盘。
在上述技术方案的基础上，步骤B3中，构造纤缆链路光功率调整对象时，通过对OCh路径路由数据、纤缆链路所属OMS信息数据的查找，获取到对应的纤缆两端的光放大盘、纤缆所在OMS层的源、宿光信号监控盘与调整纤缆对象一起构造纤缆链路光功率调整对象。
在上述技术方案的基础上，步骤C中，通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数的具体流程包括：
通过构造的纤缆链路光功率调整对象所包含的光信号监控盘，获取该纤缆链路中包含的波长通道数；该波长通道数包括通过源端光信号监控盘获取的波长通道数；通过纤缆链路光功率调整对象所包含的源、宿端光放大盘，获取纤缆链路入、出光功率；该纤缆链路入、出光功率包括源端光放大盘输入光功率、源端光放大盘输出光功率；通过纤缆链路光功率调整对象所包含的调整纤缆对象获取纤缆参数；该纤缆参数包括宿端光放大盘增益。
在上述技术方案的基础上，所述光功率调整参数包括：纤缆链路光功率调整对象的源端光放大盘的光功率期望值、纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值；步骤C中，利用获取的光功率性能参数计算光功率调整参数的具体流程包括：
根据纤缆链路光功率调整对象的源端光放大盘输入光功率、源端光信号监控盘获取的波长通道数，计算纤缆链路光功率调整对象的源端光放大盘的光功率期望值；根据纤缆链路光功率调整对象的源端光放大盘输出光功率、纤缆设计衰耗、宿端光放大盘增益，计算纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值。
在上述技术方案的基础上，源端光放大盘的光功率期望值的计算公式为：源端光放大盘的光功率期望值＝P+10*log(N)；式中，P为源端光放大盘输入光功率，N为源端光信号监控盘获取的波长通道数；宿端光放大盘的衰耗补偿值的计算公式为：宿端光放大盘的衰耗补偿值＝源端光放大盘输出光功率-纤缆设计衰耗+宿端光放大盘增益。
本发明还提供一种实现上述方法的基于光通道路径的纤缆光功率自动调整系统，包括第一构造模块、第二构造模块、调整参数计算模块和调整参数下发模块；第一构造模块用于：对OTN网络中所包含的网元构造调整节点对象,对各网元间的纤缆链路构造调整纤缆对象；第二构造模块用于：通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联；调整参数计算模块用于：通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数；调整参数下发模块用于：将光功率调整参数下发至设备进行设置。
本发明的有益效果在于：
与现有技术相比，本发明通过对OCh路径及单盘间的连接进行分析、分解，提取OCh所包含的OMS(Optical Multiplex Section，光复用段)监控盘信息和纤缆链路信息，智能分析和计算纤缆链路光功率参数设置，自动向网络设备配置调整参数，以达成自动调整纤缆 链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。
附图说明
图1为本发明实施例中基于光通道路径的纤缆光功率自动调整方法的流程图；
图2为构造的调整节点对象、调整纤缆对象、纤缆链路光功率调整对象三者的静态关系示意图；
图3为构造的纤缆链路光功率调整对象的实例图；
图4为本发明另一实施例中基于光通道路径的纤缆光功率自动调整方法的流程图；
图5为本发明实施例中基于光通道路径的纤缆光功率自动调整系统的结构框图。
具体实施方式
本申请实施例通过提供一种基于光通道路径的纤缆光功率自动调整方法及系统，解决了现有技术中传统的人工维护手段已经无法满足网络发展的需要，急需更加智能化、自动化的网络管理维护方法来满足现有OTN网络管理对光层信号性能设置和调整的需要的问题。
为解决上述技术问题，本申请实施例的技术方案总体思路如下：通过对OCh路径及单盘间的连接进行分析、分解，提取OCh所包含的OMS监控盘信息和纤缆链路信息，智能分析和计算纤缆链路光功率参数设置，自动向网络设备配置调整参数，以达成自动调整纤缆链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。
为使本发明要解决的技术问题、技术方案和优点更加清楚，下面 将结合说明书附图以及具体的实施例对本发明的技术方案进行详细的说明。应当理解，下文所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明，并且在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
实施例一
参见图1所示，本实施例提供了一种基于光通道路径的纤缆光功率自动调整方法，该方法包括以下步骤：
步骤A、对需要进行纤缆光功率自动调整的OTN网络中所包含的网元，构造调整节点对象；对需要进行纤缆光功率自动调整的OTN网络中各网元间的纤缆链路，构造调整纤缆对象。实际操作中，以节点及节点内涉及波长、线路功率的参数构造调整节点对象；以光缆参数及链接构造调整纤缆对象。其中，构造的调整节点对象包含节点所含的每类光放大盘、光监控盘对应的信号监控和调整参数，记录有光放大盘的单波平均光功率、放大器型号、增益。构造的调整纤缆对象包含纤缆光层信号监控和调整参数，记录有纤缆类型、长度、设计衰耗。
步骤B、通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联。
步骤C、通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数。
步骤D、将光功率调整参数下发至设备进行设置。实际操作中，将光功率调整参数下发至纤缆链路光功率调整对象的源、宿端光放大盘进行设置，从而实现源、宿端光放大盘光功率的自动调整，以达成自动调整纤缆链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。
可以理解的是，本实施例中通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与构造的调整节点对象、调整纤缆对象进行关联；通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用该性能参数智能分析和计算光功率调整参数，并自动向网络设备配置调整参数，以达成自动调整纤缆链路光功率的目的，从而满足现有OTN网络管理对光层信号性能设置和调整的需要。
实施例二
本实施例提供的一种基于光通道路径的纤缆光功率自动调整方法，其基本步骤与实施例一相同，不同之处在于：该方法的步骤B中，通过OCh、OMS路径分析构造纤缆链路光功率调整对象的具体流程包括：
步骤B1、建立从源节点到宿节点的端到端OCh对象，构造OCh路径路由数据；分析和分解OCh路径路由数据，获取其中光合分波盘、光分插复用盘、波长选择盘，以此为切分点切分OCh路径路由数据，分段构造OMS信息。其中，构造的OCh路径路由数据，包含了OCh路径路由所经过的所有盘；构造的OMS信息，包含了OMS起、止点在OCh路径路由中的位置信息。
步骤B2、检查步骤B1中所构造的OMS信息，分别在OCh路径路由中查找距离OMS起点、终点最近的连接光信号监控盘的光放大盘；将起点、终点的光信号监控盘记录在该OMS信息中。实际操作中，通过网元内部光纤连接信息，获取到与光放大盘相连接的光信号监控盘。
步骤B3、根据步骤B1中构造的OCh路径路由数据以及步骤B2中记录后的OMS信息，依照OCh路由从源到宿的顺序，提取网元间的纤缆链路，构造纤缆链路光功率调整对象。具体来说，本步骤B3 中，构造纤缆链路光功率调整对象时，通过对OCh路径路由数据、纤缆链路所属OMS信息数据的查找，获取到对应的纤缆两端的光放大盘、纤缆所在OMS层的源、宿光信号监控盘与调整纤缆对象一起构造纤缆链路光功率调整对象。
可以理解的是，构造的调整节点对象、调整纤缆对象、纤缆链路光功率调整对象三者的静态关系如图2所示：调整节点对象，包含节点信息及节点内盘调整参数；调整纤缆对象，包含纤缆信息及调整参数；纤缆链路光功率调整对象依赖OCh、OMS路径信息来构造，包含盘、链路，并通过盘、链路与调整节点对象、调整纤缆对象进行关联。
举例来说，经过上述步骤B1～B3最终构造的纤缆链路光功率调整对象可如图3所示：一段纤缆链路光功率调整对象包含三个节点、两段纤缆；三个节点包含源、中继、宿三个光放大盘，同时，源、宿节点包含光放大盘连接的光信号监控盘。
实施例三
本实施例提供的一种基于光通道路径的纤缆光功率自动调整方法，其基本步骤与实施例一相同，不同之处在于：该方法的步骤C中，通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数的具体流程包括：
1)通过构造的纤缆链路光功率调整对象所包含的光信号监控盘，获取该纤缆链路中包含的波长通道数；可以理解的是，所获取的纤缆链路中包含的波长通道数，包括通过源端光信号监控盘获取的波长通道数；
2)通过纤缆链路光功率调整对象所包含的源、宿端光放大盘，获取纤缆链路入、出光功率；可以理解的是，所获取的纤缆链路入、 出光功率，包括源端光放大盘输入光功率、源端光放大盘输出光功率；
3)通过纤缆链路光功率调整对象所包含的调整纤缆对象获取纤缆参数；可以理解的是，所获取的纤缆参数，包括宿端光放大盘增益。
实施例四
本实施例提供的一种基于光通道路径的纤缆光功率自动调整方法，其基本步骤与实施例三相同，不同之处在于：该方法的步骤C中，计算的光功率调整参数包括：纤缆链路光功率调整对象的源端光放大盘的光功率期望值、纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值。在此基础上，步骤C中，利用获取的光功率性能参数计算光功率调整参数的具体流程包括：
1)根据纤缆链路光功率调整对象的源端光放大盘输入光功率、源端光信号监控盘获取的波长通道数，通过经验公式计算出纤缆链路光功率调整对象的源端光放大盘的光功率期望值；该经验公式为：
源端光放大盘的光功率期望值＝P+10*log(N)；
式中，P为源端光放大盘输入光功率，N为源端光信号监控盘获取的波长通道数；
2)根据纤缆链路光功率调整对象的源端光放大盘输出光功率、纤缆设计衰耗、宿端光放大盘增益，计算出纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值；其计算公式为：
宿端光放大盘的衰耗补偿值＝源端光放大盘输出光功率-纤缆设计衰耗+宿端光放大盘增益。
实施例五
本实施例提供的一种基于光通道路径的纤缆光功率自动调整方法，其基本步骤与实施例一相同，不同之处在于：该方法还结合了实施例二至实施例四的所有特征。具体来说，参见图4所示，该方法包 括以下步骤：
S1、对需要进行纤缆光功率自动调整的OTN网络中所包含的网元，以节点及节点内涉及波长、线路功率的参数构造调整节点对象；
S2、对需要进行纤缆光功率自动调整的OTN网络中各网元间的纤缆链路，以光缆参数及链接构造调整纤缆对象；
S3、建立从源节点到宿节点的端到端OCh对象，构造OCh路径路由数据；分析和分解OCh路径路由数据，获取其中光合分波盘、光分插复用盘、波长选择盘，以此为切分点切分OCh路径路由数据，分段构造OMS信息；
S4、检查步骤S3中所构造的OMS信息，分别在OCh路径路由中查找距离OMS起点、终点最近的连接光信号监控盘的光放大盘；将起点、终点的光信号监控盘记录在该OMS信息中；
S5、根据步骤S3中构造的OCh路径路由数据以及步骤S4中记录后的OMS信息，依照OCh路由从源到宿的顺序，提取网元间的纤缆链路，构造纤缆链路光功率调整对象；
S6、通过构造的纤缆链路光功率调整对象所包含的光信号监控盘，获取该纤缆链路中包含的波长通道数，该波长通道数包括通过源端光信号监控盘获取的波长通道数；通过纤缆链路光功率调整对象所包含的源、宿端光放大盘，获取纤缆链路入、出光功率，该纤缆链路入、出光功率包括源端光放大盘输入光功率、源端光放大盘输出光功率；通过纤缆链路光功率调整对象所包含的调整纤缆对象获取纤缆参数，该纤缆参数包括宿端光放大盘增益；
通过上述参数计算出纤缆链路光功率调整对象的源端光放大盘的光功率期望值、纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值；
S7、将计算得到的源端光放大盘的光功率期望值、宿端光放大盘的衰耗补偿值下发至纤缆链路光功率调整对象的源、宿端光放大盘进行设置。
实施例六
基于同一发明构思，本发明实施例还提供了一种实现上述方法的基于光通道路径的纤缆光功率自动调整系统，由于该系统解决问题的原理与上述方法相似，因此该系统的实施可以参见方法的实施，重复之处不再赘述。
具体来说，参见图5所示，本实施例提供的基于光通道路径的纤缆光功率自动调整系统，包括第一构造模块、第二构造模块、调整参数计算模块和调整参数下发模块。其中，第一构造模块用于：对OTN网络中所包含的网元构造调整节点对象,对各网元间的纤缆链路构造调整纤缆对象。第二构造模块用于：通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联。调整参数计算模块用于：通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数。调整参数下发模块用于：将光功率调整参数下发至设备进行设置。
本发明不局限于上述实施方式，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围之内。本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。

Claims (10)

  1. 一种基于光通道路径的纤缆光功率自动调整方法，其特征在于，该方法包括以下步骤：
    A、对光传送网络OTN中所包含的网元构造调整节点对象,对各网元间的纤缆链路构造调整纤缆对象；
    B、通过光通道OCh、光复用段OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联；
    C、通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数；
    D、将光功率调整参数下发至设备进行设置。
  2. 如权利要求1所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于：构造的调整节点对象，包含节点所含的每类光放大盘、光监控盘对应的信号监控和调整参数，记录有光放大盘的单波平均光功率、放大器型号、增益；
    构造的调整纤缆对象，包含纤缆光层信号监控和调整参数，记录有纤缆类型、长度、设计衰耗。
  3. 如权利要求2所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于，步骤B中，通过OCh、OMS路径分析构造纤缆链路光功率调整对象的具体流程包括：
    B1、建立从源节点到宿节点的端到端OCh对象，构造OCh路径路由数据；分析和分解OCh路径路由数据，获取其中光合分波盘、光分插复用盘、波长选择盘，以此为切分点切分OCh路径路由数据，分段构造OMS信息；
    B2、检查步骤B1中所构造的OMS信息，分别在OCh路径路由中查找距离OMS起点、终点最近的连接光信号监控盘的光放大盘； 将起点、终点的光信号监控盘记录在该OMS信息中；
    B3、根据步骤B1中构造的OCh路径路由数据以及步骤B2中的OMS信息，依照OCh路由从源到宿的顺序，提取网元间的纤缆链路，构造纤缆链路光功率调整对象。
  4. 如权利要求3所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于：步骤B1中，构造的OCh路径路由数据，包含了OCh路径路由所经过的所有盘；构造的OMS信息，包含了OMS起、止点在OCh路径路由中的位置信息。
  5. 如权利要求3所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于：步骤B2中，通过网元内部光纤连接信息，获取到与光放大盘相连接的光信号监控盘。
  6. 如权利要求3所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于：步骤B3中，构造纤缆链路光功率调整对象时，通过对OCh路径路由数据、纤缆链路所属OMS信息数据的查找，获取到对应的纤缆两端的光放大盘、纤缆所在OMS层的源、宿光信号监控盘与调整纤缆对象一起构造纤缆链路光功率调整对象。
  7. 如权利要求2所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于，步骤C中，通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数的具体流程包括：
    通过构造的纤缆链路光功率调整对象所包含的光信号监控盘，获取该纤缆链路中包含的波长通道数；该波长通道数包括通过源端光信号监控盘获取的波长通道数；
    通过纤缆链路光功率调整对象所包含的源、宿端光放大盘，获取纤缆链路入、出光功率；该纤缆链路入、出光功率包括源端光放大盘输入光功率、源端光放大盘输出光功率；
    通过纤缆链路光功率调整对象所包含的调整纤缆对象获取纤缆参数；该纤缆参数包括宿端光放大盘增益。
  8. 如权利要求7所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于，所述光功率调整参数包括：纤缆链路光功率调整对象的源端光放大盘的光功率期望值、纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值；
    在此基础上，步骤C中，利用获取的光功率性能参数计算光功率调整参数的具体流程包括：
    根据纤缆链路光功率调整对象的源端光放大盘输入光功率、源端光信号监控盘获取的波长通道数，计算纤缆链路光功率调整对象的源端光放大盘的光功率期望值；根据纤缆链路光功率调整对象的源端光放大盘输出光功率、纤缆设计衰耗、宿端光放大盘增益，计算纤缆链路光功率调整对象的宿端光放大盘的衰耗补偿值。
  9. 如权利要求8所述的基于光通道路径的纤缆光功率自动调整方法，其特征在于：源端光放大盘的光功率期望值的计算公式为：
    源端光放大盘的光功率期望值＝P+10*log(N)；
    式中，P为源端光放大盘输入光功率，N为源端光信号监控盘获取的波长通道数；
    宿端光放大盘的衰耗补偿值的计算公式为：
    宿端光放大盘的衰耗补偿值＝源端光放大盘输出光功率-纤缆设计衰耗+宿端光放大盘增益。
  10. 一种实现权利要求1～9中任一项所述方法的基于光通道路径的纤缆光功率自动调整系统，其特征在于：该系统包括第一构造模块、第二构造模块、调整参数计算模块和调整参数下发模块；
    第一构造模块用于：对OTN网络中所包含的网元构造调整节点 对象,对各网元间的纤缆链路构造调整纤缆对象；
    第二构造模块用于：通过OCh、OMS路径分析构造纤缆链路光功率调整对象，并与调整节点对象、调整纤缆对象进行关联；
    调整参数计算模块用于：通过纤缆链路光功率调整对象从设备上获取各监测点的光功率性能参数，利用获取的光功率性能参数计算光功率调整参数；
    调整参数下发模块用于：将光功率调整参数下发至设备进行设置。
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