CN112217592B - Management control method and equipment for new forwarding network - Google Patents

Abstract

The embodiment of the invention discloses a management control method and equipment of a new forwarding network. The method comprises the following steps: a first Wavelength Division Multiplexing (WDM) device obtains port configuration information sent by a management and control system; the port configuration information comprises wavelength configuration information corresponding to a port; the method comprises the steps of obtaining wavelength information of a service optical module corresponding to a port, judging whether the wavelength information is matched with wavelength configuration information corresponding to the port, and obtaining and outputting a matching result.

Description

A management control method and device for a new fronthaul network

technical field

The present invention relates to wireless communication technology, in particular to a management and control method and device for a new fronthaul network.

Background technique

With the advent of the fifth generation mobile communication network (5G), the fronthaul network is gradually carried by a centralized radio access network (CRAN, Centralized Radio Access Network). The 5G fronthaul network is based on the Active Antenna Unit (AAU, Active Antenna Unit) and the Distribute Unit (DU, Distribute Unit) + Centralized Unit (CU, Centralized Unit) architecture. The DU+CU in the CRAN scenario will connect multiple wireless stations (such as 6-8), in this scenario, each wireless station needs 12 fibers, which has a large fiber consumption for the fronthaul network.

In order to solve the problem of a large number of optical fibers, the fronthaul network can use wavelength division multiplexing equipment to realize fronthaul fiber multiplexing through multiplexing and demultiplexing. However, there is currently no effective solution for how to realize the management and control of the fronthaul network.

SUMMARY OF THE INVENTION

In order to solve the existing technical problems, the embodiments of the present invention provide a management control method and device for a new fronthaul network.

In order to achieve the above-mentioned purpose, the technical scheme of the embodiment of the present invention is realized as follows:

An embodiment of the present invention provides a method for managing and controlling a new fronthaul network, the method comprising:

The first wavelength division multiplexing (WDM, Wavelength Division Multiplexing) device obtains port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port;

The first WDM device obtains wavelength information of the service optical module corresponding to the port, determines whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtains and outputs a matching result.

In the above scheme, obtaining the wavelength information of the service optical module corresponding to the port by the first WDM device includes: obtaining the first wavelength information of the first service optical module corresponding to the first port by the first WDM device, and/or, Obtain the second wavelength information of the second service optical module corresponding to the second port; the first service optical module is located at the first communication node or at the first WDM device, and the second service optical module is located at the second communication node , the second wavelength information is sent by the second service optical module and sent to the first WDM device via the second WDM device.

In the above solution, the first WDM device obtains the first wavelength information of the first service optical module corresponding to the first port, including:

The first WDM device receives the first optical signal sent by the first service optical module through the first port, and obtains first wavelength information carried by the first optical signal;

The obtaining the second wavelength information of the second service optical module corresponding to the second port includes:

The first WDM device receives the second optical signal sent by the second service optical module through the second port, and obtains second wavelength information carried by the second optical signal; wherein the second optical signal is The second service optical module is sent out and sent to the first WDM device via the second WDM device.

In the above solution, the first WDM device receives the first optical signal sent by the first communication node through the first port, and obtains the first wavelength information carried by the first optical signal, including:

The first WDM device receives the first top-adjustment signal or the first service data sent by the first service optical module through the first port, and obtains the first top-adjustment signal or the first service data carried by the first top-adjustment signal or the first service data. wavelength information;

The first WDM device receives the second optical signal sent by the second service optical module through the second port, and obtains the second wavelength information carried by the second optical signal, including:

The first WDM device receives the second top-adjustment signal or the second service data sent by the second service optical module through the second port, and obtains the second top-adjustment signal or the second service data carried by the second top-adjustment signal or the second service data. wavelength information.

In the above solution, the judging whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtaining and outputting a matching result, includes:

When the matching result is that the wavelength information matches the wavelength configuration information corresponding to the port, a first matching result is obtained, and the first matching result is sent to the service optical module, so that the service The optical module outputs first prompt information corresponding to the first matching result; the first matching result indicates that the service optical module corresponding to the port is in a normal state;

If the matching result is that the wavelength information does not match the wavelength configuration information corresponding to the port, a second matching result is obtained, and the second matching result is sent to the service optical module, so that the service The optical module outputs second prompt information corresponding to the second matching result; the second matching result indicates that the service optical module corresponding to the port is in an error state.

In the above solution, the first matching result and the second matching result further include at least one of the following information: an optical channel identifier, management and control type information, and operation and maintenance management information.

In the above solution, the method further includes: controlling the connection of the optical channel when the first WDM device determines, according to the matching result, that the wavelength information and the wavelength configuration information corresponding to the ports at the corresponding ends of the optical channel are consistent.

In the above solution, the first WDM device is an active WDM device; the second WDM device is a passive WDM device.

An embodiment of the present invention further provides a WDM device, the WDM device is a first WDM device, and the device includes an acquisition unit, a matching unit, and an output unit; wherein,

The obtaining unit is configured to obtain port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port; and is further configured to obtain wavelength information of the service optical module corresponding to the port;

the matching unit, configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtain a matching result;

The output unit is configured to output the matching result obtained by the matching unit.

In the above solution, the obtaining unit is configured to obtain the first wavelength information of the first service optical module corresponding to the first port, and/or obtain the second wavelength information of the second service optical module corresponding to the second port; The first service optical module is located at the first communication node or at the first WDM device, the second service optical module is located at the second communication node, and the second wavelength information is sent by the second service optical module and passed through. The second WDM device sends to the first WDM device.

In the above solution, the obtaining unit is configured to receive the first optical signal sent by the first service optical module through the first port, and obtain the first wavelength information carried by the first optical signal; and/or, The second optical signal sent by the second service optical module is received through the second port, and the second wavelength information carried by the second optical signal is obtained; wherein, the second optical signal is transmitted by the second service optical signal The module sends out and sends to the first WDM device via the second WDM device.

In the above solution, the acquisition unit is configured to receive the first top-adjustment signal or the first service data sent by the first service optical module through the first port, and obtain the first top-adjustment signal or the first service The first wavelength information carried by the data; and/or, receiving the second top-adjustment signal or second service data sent by the second service optical module through the second port to obtain the second top-adjustment signal or second The second wavelength information carried by the service data.

In the above solution, the matching unit is configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and the matching result is that the wavelength information is consistent with the wavelength configuration information corresponding to the port. In this case, the first matching result is obtained, and the first matching result is sent to the service optical module, so that the service optical module outputs the first prompt information corresponding to the first matching result; the first matching result Indicates that the service optical module corresponding to the port is in a normal state; in the case that the matching result is that the wavelength information is inconsistent with the wavelength configuration information corresponding to the port, obtain a second matching result, and report to the service optical module. The second matching result is sent, so that the service optical module outputs second prompt information corresponding to the second matching result; the second matching result indicates that the service optical module corresponding to the port is in an error state.

In the above solution, the first matching result and the second matching result further include at least one of the following information: an optical channel identifier, management and control type information, and operation and maintenance management information.

In the above solution, the device further includes a control unit, configured to control the wavelength information and wavelength configuration information corresponding to the ports at the two ends of the optical channel according to the matching result obtained by the matching unit. The optical channel is connected.

In the above solution, the first WDM device is an active WDM device; the second WDM device is a passive WDM device.

Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, implements the steps of the methods described in the embodiments of the present invention.

An embodiment of the present invention further provides a WDM device, including a memory, a processor, and a computer program stored in the memory and running on the processor, and the processor implements the method described in the embodiment of the present invention when the processor executes the program A step of.

The method and device for managing and controlling a new fronthaul network provided by the embodiments of the present invention include: a first WDM device obtains port configuration information sent by a management and control system; the port configuration information includes wavelength configuration information corresponding to a port; the first WDM device obtains port configuration information sent by a management and control system; A WDM device obtains the wavelength information of the service optical module corresponding to the port, determines whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtains and outputs the matching result. By adopting the technical solution of the embodiment of the present invention, the wavelength corresponding to the port of the first WDM device is configured by the management and control system, and the wavelength information of the service optical module is matched with the wavelength configuration information of the corresponding port, so as to obtain and output the matching result, and realize The operation and maintenance personnel can quickly know the installation status of the service optical module corresponding to the port, which is convenient for the operation and maintenance personnel to install and debug the service optical module, so as to realize the service interworking of the fronthaul network.

Description of drawings

FIG. 1 is a schematic diagram of a composition structure of a management control system of a new fronthaul network according to an embodiment of the present invention;

2 is a schematic flowchart of a method for managing and controlling a new fronthaul network according to an embodiment of the present invention;

3a is a schematic diagram of an application of a management control system for a new fronthaul network according to an embodiment of the present invention;

3b is a schematic diagram of an application flow of a management control method for a new fronthaul network according to an embodiment of the present invention;

4 is a schematic diagram of a composition structure of a WDM device according to an embodiment of the present invention;

5 is a schematic diagram of another composition structure of a WDM device according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a hardware composition of a WDM device according to an embodiment of the present invention.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

The embodiment of the present invention proposes a management and control system for a new fronthaul network. FIG. 1 is a schematic diagram of a composition structure of a management and control system of a new fronthaul network according to an embodiment of the present invention; as shown in FIG. 1 , the system includes a first WDM device 11 and a second WDM device 12 . As an implementation manner, the first WDM device 11 may be an active WDM device, and the second WDM device may be a passive WDM device.

The first WDM device 11 and the second WDM device 12 are arranged in a fronthaul network connecting the first communication node 13 and the second communication node 14 . The first communication node 13 may be a DU, and the second communication node 14 may be an AAU. As an implementation manner, the first WDM device 11 is close to the first communication node 13 , and the second WDM device 12 is close to the second communication node 14 . It can be understood that if data is sent from the first communication node 13 to the second communication node 14, the data is sent from the first communication node 13 and reaches the said first WDM device 11 and the second WDM device 12. The second communication node 14 .

The management and control system of the new fronthaul network in this embodiment further includes a service optical module 15, and the system may include multiple service optical modules 15. In an embodiment, the multiple service optical modules 15 may be respectively arranged in the first A communication node 13 and the second communication node 14 . The first communication node 13 and the second communication node 14 are provided with interfaces corresponding to the service optical module 15, so that after the service optical module 15 is inserted into the interface, the service optical module 15 can transmit optical signals with adjacent WDM devices, Thus realizing optical communication. In another embodiment, the service optical module 15 may be disposed in the second communication node 14 and the first WDM device 11 . In this embodiment, the first WDM device 11 is provided with an interface corresponding to the service optical module 15 , so that after the service optical module 15 is inserted into the interface, the first WDM device 11 can obtain the optical signal sent by the service optical module 15 .

In this embodiment, the service optical module 15 disposed in the second communication node 14 sends an optical signal to the second WDM device 12 after being inserted into the interface, and the optical signal is sent to the first WDM device 11 via the network.

The management and control system of the new fronthaul network in this embodiment further includes a management and control system 16, which can configure the first WDM device 11, for example, configure wavelength information of each port of the first WDM device 11 and so on.

The following embodiments of the present invention are proposed based on the management and control system of the above-mentioned new fronthaul network.

The embodiment of the present invention provides a management and control method for a new fronthaul network. FIG. 2 is a schematic flowchart of a method for managing and controlling a new fronthaul network according to an embodiment of the present invention; as shown in FIG. 2 , the method includes:

Step 201: the first WDM device obtains port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port;

Step 202: The first WDM device obtains wavelength information of the service optical module corresponding to the port, determines whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtains and outputs a matching result.

In an optional embodiment of the present invention, obtaining the wavelength information of the service optical module corresponding to the port by the first WDM device includes: obtaining, by the first WDM device, the wavelength information of the first service optical module corresponding to the first port. a wavelength information, and/or, obtain the second wavelength information of the second service optical module corresponding to the second port; the first service optical module is located at the first communication node or at the first WDM device, and the second service optical module is located at the first communication node. The service optical module is located at the second communication node, and the second wavelength information is sent by the second service optical module and sent to the first WDM device via the second WDM device.

In this embodiment, as shown in FIG. 1 , the first WDM device is an active WDM device; the second WDM device is a passive WDM device; the first WDM device is close to the DU, and the second WDM device is Close to AAU. It can be understood that the optical signal can be transmitted by the first service optical module to the first WDM device, the first WDM device is matched and sent out from the corresponding port, and then transmitted to the second WDM device through the network, and sent by the second WDM device to the The second service optical module of the second communication node; correspondingly, the optical signal can also be transmitted by the second service optical module located at the second communication node to the second WDM device, transmitted to the first WDM device through the network, and then transmitted by the first WDM device. The device matches and transmits to the corresponding first service optical module.

The obtaining, by the first WDM device, the first wavelength information of the first service optical module corresponding to the first port includes: the first WDM device receiving, through the first port, the first wavelength sent by the first service optical module. obtaining the first wavelength information carried by the first optical signal; correspondingly, obtaining the second wavelength information of the second service optical module corresponding to the second port includes: the first WDM device passing through the The second port receives the second optical signal sent by the second service optical module, and obtains the second wavelength information carried by the second optical signal; wherein, the second optical signal is sent by the second service optical module , sent to the first WDM device via the second WDM device.

As an implementation manner, the first WDM device receives the first optical signal sent by the first communication node through the first port, and obtains first wavelength information carried by the first optical signal, including: the The first WDM device receives, through the first port, the first top-modulation signal or first service data sent by the first service optical module, and obtains first wavelength information carried by the first top-modulation signal or the first service data ; Correspondingly, the first WDM device receives the second optical signal sent by the second communication node through the second port, and obtains the second wavelength information carried by the second optical signal, including: the first The WDM device receives the second top-adjustment signal or the second service data sent by the second service optical module through the second port, and obtains the second wavelength information carried by the second top-adjustment signal or the second service data.

In this embodiment, the wavelength information can be carried by the top-adjustment signal or service data, that is, the top-adjustment signal or service data sent by the service optical module (including the first service optical module and the second service optical module), the first WDM The device obtains the wavelength information (including the first wavelength information and the second wavelength information) carried by the top modulation signal or the service data.

In an optional embodiment of the present invention, the determining whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtaining and outputting a matching result includes: in the matching result, the wavelength information is the same as the wavelength information. In the case that the wavelength configuration information corresponding to the port matches the same, a first matching result is obtained, and the first matching result is sent to the service optical module, so that the service optical module outputs the corresponding value of the first matching result. first prompt information; the first matching result indicates that the service optical module corresponding to the port is in a normal state; in the case that the matching result is that the wavelength information is inconsistent with the wavelength configuration information corresponding to the port, obtain For the second matching result, send the second matching result to the service optical module, so that the service optical module outputs second prompt information corresponding to the second matching result; the second matching result represents the port The corresponding service optical module is in an error state.

In this embodiment, the management and control system sends port configuration information to the first WDM device, so as to configure the wavelength information of the port corresponding to the service optical module through the first WDM device. Wherein, the first WDM device includes a first port corresponding to the first service optical module and a second port corresponding to the second service optical module, and the port configuration information includes the port configuration information of the first port and the second port Port configuration information for the port. In practical applications, the number of the first port and the second port is multiple, and the wavelengths represented by the wavelength configuration information corresponding to the first port and the corresponding second port are equal. For example, if the number of the first service optical module and the second service optical module is four, the number of the first port and the second port is also four, and the wavelengths corresponding to the wavelength configuration information corresponding to the four first ports are respectively λ1, λ2, λ3, λ4, the wavelengths corresponding to the wavelength configuration information corresponding to the four second ports are also λ1, λ2, λ3, and λ4, respectively, so that the wavelength configuration information of the first port and the corresponding second port match the same , so as to establish an optical channel between the first port and the second port.

In this embodiment, the first WDM device obtains the first wavelength information of the first service optical module corresponding to the first port, and matches the first wavelength information with the wavelength configuration information of the first port. If the first wavelength information matches the wavelength configuration information of the first port, it is determined that the first service optical module corresponding to the first port is in a normal state; otherwise, it is determined that the first service optical module corresponding to the first port is in a normal state. The service optical module is in an error state. Correspondingly, the first WDM device obtains the second wavelength information of the second service optical module corresponding to the second port, matches the second wavelength information with the wavelength configuration information of the second port, and matches the second wavelength information with the wavelength configuration information of the second port. If the wavelength configuration information of the second port is consistent, it is determined that the second service optical module corresponding to the second port is in a normal state, otherwise, it is determined that the second service optical module corresponding to the second port is in an error state. The normal state indicates that the corresponding service optical module (including the first service optical module and/or the second service optical module) is installed correctly, and the error state indicates that the corresponding service optical module (including the first service optical module and/or the second service optical module) is installed correctly. or the second service optical module) is installed incorrectly. By outputting the matching results, it is convenient for the operation and maintenance personnel to know the installation status of the optical modules of each service, so as to realize more flexible and convenient installation and maintenance.

In this embodiment, the outputting the matching result includes: outputting the matching result to the corresponding service optical module. In practical applications, the outputting the matching result to the corresponding service optical module includes: outputting the matching result to the communication node where the corresponding service optical module is located, or, outputting the matching result to the corresponding service optical module electrical module. A connected electronic device, the electronic device can be a fixed electronic device, such as a computer, a server, etc., and the electronic device can also be a handheld terminal device of an operation and maintenance personnel. Wherein, the output manner of the matching result may include at least one of the following: sound, display screen, signal light, and so on.

In an optional embodiment of the present application, the first matching result and the second matching result further include at least one of the following information: an optical channel identifier, management and control type information, Operation Administration and Management (OAM, Operation Administration and Management) Maintenance) information.

In this embodiment, the first matching result and the second matching result may include an optical channel identifier (ID), and the optical channel identifier may be represented by 8 bits; the first matching result and the all The second matching result may further include management and control types, the management and control types may include configuration management types and work management types, and the management and control types may be represented by 8 bits; the first matching result and the second matching result also include It can include management and control information, and the management and control information can include the result of a normal state or an error state and OAM information; the management and control information can be represented by 48 bits.

It can be understood that, as an implementation manner, the service optical module can indicate whether the matching result is in a normal state through the status displayed by the signal light; As another implementation manner, the matching result can also be output through the communication node where the service optical module is located or an electronic device electrically connected to the service optical module. For example, the communication node or electronic device has a display screen, which can display the current status of the service optical module through the display screen. Whether it is in the correct state, and at least one of the optical channel identification, management and control type information, and OAM information is displayed, and the wavelength information of the service optical module can also be displayed through the display screen.

In an optional embodiment of the present invention, the method further includes: when the first WDM device determines, according to the matching result, that the wavelength information and the wavelength configuration information corresponding to the ports at the corresponding two ends of the optical channel are matched in the same way , which controls the optical channel to be connected.

In this embodiment, when the first WDM device determines that the wavelength information and wavelength configuration information of the first port and the corresponding second port are matched and consistent, it controls the connection between the first port and the corresponding second port. The optical channel is connected.

The connection modes of the fronthaul network in the related art mainly include the following three types: optical fiber direct drive, passive wavelength division scheme and active wavelength division scheme. The fiber direct drive method consumes a lot of fronthaul fiber resources, and at least 12 fibers are consumed for carrying 5G sites. Therefore, a large amount of fiber resources need to be added to the fronthaul network, but these resources are difficult to obtain. The passive wavelength division solution reduces the use of optical fibers by adding passive wavelength division transmission equipment between AAU and DU, but passive equipment cannot control the fronthaul network. The active wavelength division solution is to add active wavelength division equipment on the AAU and DU sides respectively, and multiplex the wavelengths of multiple fronthaul fibers onto a single fiber to reduce fiber resource consumption and implement fronthaul on the active wavelength division equipment. Monitoring and protection of fiber optic links. Active WDM equipment can better control and protect the fronthaul network, but both AAU and DU need to be connected to active WDM equipment. Active WDM equipment requires additional power supply, so there is a large power requirement for the equipment room. And the cost of adding active wavelength division equipment is high.

By adopting the technical solution of the embodiment of the present invention, the wavelength corresponding to the port of the first WDM device is configured by the management and control system, and the wavelength information of the service optical module is matched with the wavelength configuration information of the corresponding port, so as to obtain and output the matching result, and realize The operation and maintenance personnel can quickly know the installation status of the service optical module corresponding to the port, which is convenient for the operation and maintenance personnel to install and debug the service optical module, so as to realize the service interworking of the fronthaul network. In addition, only by connecting the first WDM device (active WDM device) on the DU side, compared with the AAU and the DU being connected to the active wavelength division device, power consumption and equipment cost are greatly reduced.

The method for managing and controlling the new fronthaul network according to the embodiment of the present invention will be described in detail below with reference to specific examples.

3a is a schematic diagram of an application of a management and control system for a new fronthaul network according to an embodiment of the present invention; FIG. 3b is a schematic diagram of an application flow of a management and control method for a new fronthaul network according to an embodiment of the present invention; The management and control method of the new fronthaul network will be described in detail. In this embodiment, the first WDM device is an active WDM device, and the second WDM device is a passive WDM device. As shown in Figure 3b, the method includes:

Step 301: The management and control system sends port configuration information to the active WDM device, where the port configuration information includes ports and corresponding wavelength information;

Step 302: the active WDM device has to obtain the port configuration information, and configure the wavelengths corresponding to each port of its own;

Step 303: the service optical module is powered on, sends an optical signal to the active WDM device, and the active WDM device obtains wavelength information of the optical signal;

Among them, if the transmission direction of the optical signal is from the AAU to the DU side, the service optical module on the AAU side sends the optical signal to the passive WDM device, the passive WDM device sends the optical signal to the active WDM device through the network, and the active WDM device sends the optical signal to the active WDM device. The device obtains wavelength information according to the optical signal;

If the transmission direction of the optical signal is that the DU sends to the AAU side, the service optical module on the DU side sends the optical signal to the active WDM device, and the active WDM device obtains the wavelength information according to the optical signal.

Step 304: The active WDM device determines whether the wavelength information of the optical signal matches the wavelength information configured on the corresponding port, and obtains and outputs the matching result.

Wherein, the matching result may include an optical channel identifier (ID), which may be represented by 8 bits; the matching result may also include a management and control type, and the management and control type may include configuration management and control types and work Control type, the control type can be represented by 8bit; the matching result can also include control information, the control information can include the result of normal state or error state and OAM information; the control information can be represented by 48bit.

The outputting the matching result includes: outputting the matching result to the corresponding service optical module. Wherein, if the matching result includes an error state, the corresponding service optical module stops sending the service optical signal, indicating that the service optical module is installed incorrectly.

Step 305 : the service optical module judges whether it is installed correctly according to the matching result; in the case of correct installation, displaying wavelength information; in the case of wrong installation, outputting prompt information to notify operation and maintenance personnel to debug.

Step 306: The active WDM device sends the matching result to the management and control system to notify the operation and maintenance personnel of the management and control system of the current state of the service optical module.

Step 307: The active WDM device controls the optical channel to be connected when it is determined that the wavelength information and the wavelength configuration information corresponding to the ports corresponding to both ends of the optical channel are consistent.

In practical applications, as an implementation manner, the active WDM device can use its own MCU to determine whether the wavelength information of the optical signal matches the wavelength information of the corresponding port configuration, and to determine the wavelength information and wavelength configuration corresponding to the ports at both ends of the optical channel. When the information is all matched and consistent, the optical channel is controlled to be connected.

An embodiment of the present invention further provides a WDM device, where the WDM device is a first WDM device. FIG. 4 is a schematic diagram of a composition structure of a WDM device according to an embodiment of the present invention; as shown in FIG. 4 , the device includes an acquisition unit 41, a matching unit 42 and an output unit 43; wherein,

The obtaining unit 41 is configured to obtain port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port; and is further configured to obtain wavelength information of the service optical module corresponding to the port;

The matching unit 42 is configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtain a matching result;

The output unit 43 is configured to output the matching result obtained by the matching unit 42 .

In an optional embodiment of the present invention, the obtaining unit 41 is configured to obtain the first wavelength information of the optical module of the first service corresponding to the first port, and/or obtain the second service corresponding to the second port The second wavelength information of the optical module; the first service optical module is located at the first communication node or at the first WDM device, the second service optical module is located at the second communication node, and the second wavelength information is provided by the The second service optical module is sent and sent to the first WDM device via the second WDM device.

In an optional embodiment of the present invention, the obtaining unit 41 is configured to receive the first optical signal sent by the first service optical module through the first port, and obtain the first optical signal carried by the first optical signal. first wavelength information; and/or, receiving the second optical signal sent by the second service optical module through the second port to obtain second wavelength information carried by the second optical signal; wherein the second optical signal The optical signal is sent by the second service optical module and sent to the first WDM device via the second WDM device.

In an optional embodiment of the present invention, the obtaining unit 41 is configured to receive, through the first port, the first top-adjustment signal or the first service data sent by the first service optical module, and obtain the The first wavelength information carried by the first top-adjusting signal or the first service data; and/or, receiving the second top-adjusting signal or the second service data sent by the second service optical module through the second port, and obtaining the the second wavelength information carried by the second IM signal or the second service data.

In an optional embodiment of the present invention, the matching unit 42 is configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and the matching result is that the wavelength information matches the In the case where the wavelength configuration information corresponding to the port is consistent, obtain a first matching result, and send the first matching result to the service optical module, so that the service optical module outputs the first matching result corresponding to the first matching result. prompt information; the first matching result indicates that the service optical module corresponding to the port is in a normal state; when the matching result is that the wavelength information does not match the wavelength configuration information corresponding to the port, obtain the second matching result, send the second matching result to the service optical module, so that the service optical module outputs the second prompt information corresponding to the second matching result; the second matching result represents the port corresponding to the The service optical module is in an error state.

In this embodiment, the first matching result and the second matching result further include at least one of the following information: an optical channel identifier, management and control type information, and operation and maintenance management information.

In an optional embodiment of the present invention, as shown in FIG. 5 , the device further includes a control unit 44, configured to determine, according to the matching result obtained by the matching unit 42, the corresponding ports of the two ends of the optical channel. When the wavelength information and the wavelength configuration information are matched and consistent, the optical channel is controlled to be connected.

In the embodiment of the present invention, the first WDM device is an active WDM device; the second WDM device is a passive WDM device.

In this embodiment of the present invention, the matching unit 42 and the control unit 44 in the WDM device may be composed of a central processing unit (CPU, Central Processing Unit) and a digital signal processor (DSP, Digital) in the terminal in practical applications. Signal Processor), Microcontroller Unit (MCU, Microcontroller Unit) or Programmable Gate Array (FPGA, Field-Programmable Gate Array); the acquisition unit 41 and the output unit 43 in the WDM device can communicate with each other in practical applications Modules (including: basic communication suites, operating systems, communication modules, standardized interfaces and protocols, etc.) and transceiver antenna implementation.

It should be noted that: when the WDM device provided in the above embodiment performs management control, only the division of the above program modules is used as an example. The internal structure of the device is divided into different program modules to complete all or part of the processing described above. In addition, the WDM device provided in the above embodiment and the management and control method embodiment of the new fronthaul network belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment, which will not be repeated here.

The embodiment of the present invention also provides a WDM device. FIG. 6 is a schematic diagram of a hardware structure of a WDM device according to an embodiment of the present invention. As shown in FIG. 6 , the WDM device includes a memory 52 , a processor 51 , and a computer program stored in the memory 52 and running on the processor 51 . , the processor 51 implements the steps of the method in the embodiment of the present invention when the processor 51 executes the program.

It will be appreciated that the WDM device also includes a communication interface 53 . The various components in the WDM device may be coupled together by bus system 54 . It will be appreciated that the bus system 54 is used to implement the connection communication between these components. In addition to the data bus, the bus system 54 also includes a power bus, a control bus and a status signal bus. For the sake of clarity, however, the various buses are labeled as bus system 54 in FIG. 6 .

It will be appreciated that the memory 52 may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory. Among them, the non-volatile memory may be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory) Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, ferromagnetic random access memory), Flash Memory (Flash Memory), Magnetic Surface Memory , CD-ROM, or Compact Disc Read-Only Memory (CD-ROM, Compact Disc Read-Only Memory); the magnetic surface memory can be a magnetic disk memory or a tape memory. The volatile memory may be Random Access Memory (RAM), which is used as an external cache memory. By way of example and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory Memory (DRAM, Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM, SynchronousDynamic Random Access Memory), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM, Double Data Rate Synchronous Dynamic Random Access Memory), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), Synchronous Link Dynamic Random Access Memory (SLDRAM, SyncLink Dynamic Random Access Memory), Direct Memory Bus Random Access Memory (DRRAM, Direct Rambus Random Access Memory) . The memory 52 described in the embodiments of the present invention is intended to include, but not be limited to, these and any other suitable types of memory.

The methods disclosed in the above embodiments of the present invention may be applied to the processor 51 or implemented by the processor 51 . The processor 51 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by a hardware integrated logic circuit in the processor 51 or an instruction in the form of software. The above-mentioned processor 51 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. The processor 51 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in combination with the embodiments of the present invention can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium, and the storage medium is located in the memory 52, and the processor 51 reads the information in the memory 52, and completes the steps of the foregoing method in combination with its hardware.

In an exemplary embodiment, the WDM device may be implemented by one or more of an Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), a DSP, a Programmable Logic Device (PLD, Programmable Logic Device), a Complex Programmable Logic Device (CPLD, Complex) Programmable Logic Device), Field-Programmable Gate Array (FPGA, Field-Programmable Gate Array), general-purpose processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor), or other electronic components to achieve , used to perform the aforementioned method.

Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, implements the steps of the methods described in the embodiments of the present invention.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored, or not implemented. In addition, the coupling, or direct coupling, or communication connection between the various components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms. of.

The unit described above as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may all be integrated into one processing unit, or each unit may be separately used as a unit, or two or more units may be integrated into one unit; the above-mentioned integration The unit can be implemented either in the form of hardware or in the form of hardware plus software functional units.

Those of ordinary skill in the art can understand that all or part of the steps of implementing the above method embodiments can be completed by program instructions related to hardware, the aforementioned program can be stored in a computer-readable storage medium, and when the program is executed, execute It includes the steps of the above method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other media that can store program codes.

Alternatively, if the above-mentioned integrated unit of the present invention is implemented in the form of a software function module and sold or used as an independent product, it may also be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of software products in essence or the parts that make contributions to the prior art. The computer software products are stored in a storage medium and include several instructions for A computer device (which may be a personal computer, a server, or a network device, etc.) is caused to execute all or part of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other mediums that can store program codes.

The methods disclosed in the several method embodiments provided in this application can be arbitrarily combined under the condition of no conflict to obtain new method embodiments.

The features disclosed in the several product embodiments provided in this application can be combined arbitrarily without conflict to obtain a new product embodiment.

The features disclosed in several method or device embodiments provided in this application can be combined arbitrarily without conflict to obtain new method embodiments or device embodiments.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (16)

1. A management and control method for a new fronthaul network, wherein the method comprises: The first wavelength division multiplexing WDM device obtains port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port; wherein, the first WDM device is an active WDM device in a semi-active fronthaul network ; The first WDM device obtains the wavelength information of the service optical module corresponding to the port, judges whether the wavelength information matches the wavelength configuration information corresponding to the port, obtains and outputs the matching result to the service optical module and the management and control system, so that all the wavelength information matches the wavelength configuration information corresponding to the port. The service optical module and the management and control system output prompt information corresponding to the matching result; Obtaining the wavelength information of the service optical module corresponding to the port by the first WDM device includes: obtaining, by the first WDM device, the first wavelength information of the first service optical module corresponding to the first port, and/or obtaining the second port The second wavelength information of the corresponding second service optical module; the first service optical module is located at the first communication node or at the first WDM device, the second service optical module is located at the second communication node, and the first service optical module is located at the second communication node. The two-wavelength information is sent by the second service optical module and sent to the first WDM device via the second WDM device. 2. The method according to claim 1, wherein the first WDM device obtains the first wavelength information of the first service optical module corresponding to the first port, comprising: The first WDM device receives the first optical signal sent by the first service optical module through the first port, and obtains first wavelength information carried by the first optical signal; The obtaining the second wavelength information of the second service optical module corresponding to the second port includes: The first WDM device receives the second optical signal sent by the second service optical module through the second port, and obtains second wavelength information carried by the second optical signal; wherein the second optical signal is The second service optical module is sent out and sent to the first WDM device via the second WDM device. 3 . The method according to claim 2 , wherein the first WDM device receives the first optical signal sent by the first communication node through the first port, and obtains the first optical signal carried by the first optical signal. 4 . First wavelength information, including: The first WDM device receives the first top-adjustment signal or the first service data sent by the first service optical module through the first port, and obtains the first top-adjustment signal or the first service data carried by the first top-adjustment signal or the first service data. wavelength information; The first WDM device receives the second optical signal sent by the second service optical module through the second port, and obtains the second wavelength information carried by the second optical signal, including: The first WDM device receives the second top-adjustment signal or the second service data sent by the second service optical module through the second port, and obtains the second top-adjustment signal or the second service data carried by the second top-adjustment signal or the second service data. wavelength information. 4. The method according to any one of claims 1 to 3, wherein the judgment is to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, obtain and output the matching to the service optical module and the management and control system As a result, the service optical module and the management and control system output prompt information corresponding to the matching result, including: When the matching result is that the wavelength information matches the wavelength configuration information corresponding to the port, a first matching result is obtained, and the first matching result is sent to the service optical module, so that the service The optical module outputs first prompt information corresponding to the first matching result; the first matching result indicates that the service optical module corresponding to the port is in a normal state; If the matching result is that the wavelength information does not match the wavelength configuration information corresponding to the port, a second matching result is obtained, and the second matching result is sent to the service optical module, so that the service The optical module outputs second prompt information corresponding to the second matching result; the second matching result indicates that the service optical module corresponding to the port is in an error state. 5 . The method according to claim 4 , wherein the first matching result and the second matching result further comprise at least one of the following information: an optical channel identifier, management and control type information, and operation and maintenance management information. 6 . 6. The method according to any one of claims 1 to 3, wherein the method further comprises: The first WDM device determines, according to the matching result, that the wavelength information and the wavelength configuration information corresponding to the ports at the two ends of the optical channel are consistent, and controls the optical channel to be connected. 7. The method according to any one of claims 1 to 3, wherein the second WDM device is a passive WDM device. 8. a WDM equipment, the WDM equipment is the first WDM equipment, it is characterized in that, the first WDM equipment is the active WDM equipment in the semi-active fronthaul network; Described equipment comprises acquisition unit, matching unit and output unit; where, The obtaining unit is configured to obtain port configuration information sent by the management and control system; the port configuration information includes wavelength configuration information corresponding to the port; and is further configured to obtain wavelength information of the service optical module corresponding to the port; the matching unit, configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and obtain a matching result; the output unit, configured to output the matching result obtained by the matching unit to the service optical module and the management and control system, so that the service optical module and the management and control system output prompt information corresponding to the matching result; The obtaining unit is configured to obtain the first wavelength information of the first service optical module corresponding to the first port, and/or obtain the second wavelength information of the second service optical module corresponding to the second port; the first service The optical module is located at the first communication node or at the first WDM device, the second service optical module is located at the second communication node, and the second wavelength information is sent by the second service optical module and passed through the second WDM device. sent to the first WDM device. 9 . The device according to claim 8 , wherein the obtaining unit is configured to receive the first optical signal sent by the first service optical module through the first port, and obtain the first optical signal. 10 . and/or receiving the second optical signal sent by the second service optical module through the second port to obtain the second wavelength information carried by the second optical signal; wherein the The second optical signal is sent by the second service optical module and sent to the first WDM device via the second WDM device. 10 . The device according to claim 9 , wherein the obtaining unit is configured to receive, through the first port, the first top-adjustment signal or the first service data sent by the first service optical module, and obtain 10 . the first wavelength information carried by the first top-adjustment signal or the first service data; and/or, receiving the second top-adjustment signal or the second service data sent by the second service optical module through the second port, Obtain second wavelength information carried by the second top modulation signal or the second service data. 11. The device according to any one of claims 8 to 10, wherein the matching unit is configured to determine whether the wavelength information matches the wavelength configuration information corresponding to the port, and the matching result is When the wavelength information matches the wavelength configuration information corresponding to the port, a first matching result is obtained, and the first matching result is sent to the service optical module, so that the service optical module outputs the first matching result. a first prompt message corresponding to a matching result; the first matching result indicates that the service optical module corresponding to the port is in a normal state; when the matching result is that the wavelength information does not match the wavelength configuration information corresponding to the port In the case of the second matching result, the second matching result is obtained, and the second matching result is sent to the service optical module, so that the service optical module outputs the second prompt information corresponding to the second matching result; the second matching The result indicates that the service optical module corresponding to the port is in an error state. 12 . The device according to claim 11 , wherein the first matching result and the second matching result further comprise at least one of the following information: an optical channel identifier, management and control type information, and operation and maintenance management information. 13 . 13. The device according to any one of claims 8 to 10, wherein the device further comprises a control unit, configured to determine, according to the matching result obtained by the matching unit, the port corresponding to the two ends of the optical channel. When the wavelength information and the wavelength configuration information are matched and consistent, the optical channel is controlled to be connected. 14. The device according to any one of claims 8 to 10, wherein the second WDM device is a passive WDM device. 15. A computer-readable storage medium on which a computer program is stored, characterized in that, when the program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented. 16. A WDM device comprising a memory, a processor and a computer program stored on the memory and running on the processor, wherein the processor implements any one of claims 1 to 7 when executing the program the steps of the method.

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