CN114598376B - Fusion system for satellite network management and satellite measurement and control, application method thereof and deployment method thereof - Google Patents
Fusion system for satellite network management and satellite measurement and control, application method thereof and deployment method thereof Download PDFInfo
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Abstract
The invention provides a fusion system for satellite network management and satellite measurement and control, an application method thereof and an deployment method thereof, wherein the fusion system comprises the following components: the system comprises an application service system, a satellite network management system and a satellite measurement and control system. And a master station operator can perform unified management on two satellite communication networks of FDMA and TDMA on different interfaces of one software through the fusion system, so that the purpose of convenient management is realized. On the other hand, interaction with the satellite is realized by fusing the satellite measurement and control system, and the efficiency of managing and configuring satellite resources is further improved.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a fusion system for satellite network management and satellite measurement and control, an application method thereof and an arming method thereof.
Background
With the development of the age, satellite communication technology is mature, the application range of satellite communication is wider, and the satellite communication is excellent in post-disaster rescue, signal-free area communication and the like.
The existing satellite network management systems only support TDMA or FDMA network management, but cannot support both, so that a plurality of platforms are required to be mutually switched in the management process, and the monitoring process is redundant and complicated and has low efficiency.
Disclosure of Invention
The invention aims to: a fusion system for satellite network management and satellite measurement and control is provided, an application method based on the fusion system is further provided, and a deployment method of the fusion system is further provided, so that the problems in the prior art are solved.
The technical scheme is as follows: in a first aspect, a fusion system for satellite network management and satellite measurement and control is provided, which specifically includes:
The application service system is arranged to be responsible for the management of the remote equipment and the terminal equipment and is used for providing at least one type of decision basis;
The satellite network management system is arranged to establish a resource interaction channel with the application service system and is used for applying and issuing resources;
the satellite measurement and control system is arranged to establish a resource interaction channel with the application service system and is used for synchronizing and configuring resources.
In some implementations of the first aspect, the application service system further includes:
The resource management module is configured to configure satellite and beam information and display sub-band information according to application requirements, and specifically comprises: the system comprises a satellite resource allocation module, a sub-band exchange allocation module, a sub-band gain allocation module and a resource allocation module.
The site management module is configured to manage each site device in the network, and further includes: the system comprises an in-station equipment configuration module, a connection relation management module and an equipment state maintenance module; the device monitoring module is configured to periodically monitor states of the local device and the remote device according to a preset policy, and further includes: the monitoring strategy configuration module and the equipment monitoring alarm module; the telemetry data analysis module is configured to receive telemetry data and control satellite load, and further comprises: a telemetry data analysis module and an interference detection module.
In some implementations of the first aspect, the satellite measurement and control system is further configured to perform satellite load management, subband switching, gain control, remote management of satellite loads, and hinge management control between subbands, and specifically includes: a satellite telemetry module configured to receive telemetry data; and the satellite remote control module is used for sending out remote control signaling and receiving remote control response. The data interface layer is used for regulating and controlling the corresponding data interface according to the requirements to realize the receiving and transmitting of data; the service processing layer is used for carrying out service processing according to the data received by the data interface layer, and the data form related in the processing process comprises a telemetry signaling frame and a remote control signaling frame.
In some implementations of the first aspect, the satellite network management system further includes: the TDMA network management module and the FDMA network management module are used for calling corresponding network management functions according to requirements. Specifically, the implementation process of calling the corresponding network management function is as follows: preprocessing data requirements after receiving a user request, thereby obtaining a resource type of the user request, selecting the resource according to the resource type, and generating network parameters by adopting a corresponding network planning mode after the selection is completed, wherein the network parameters are used as a basis for issuing execution.
In some implementations of the first aspect, the fusion system guides the operation of the user by using the highlighted expression form through the visual operation interface, and invokes the corresponding management function according to the generated trigger instruction after verifying the user's requirement.
In addition, the fusion system also comprises a resource statistics function for analyzing the use condition of the resources in the communication process in real time, and the fusion system is used for assisting the user in distributing the resources through real-time analysis and display in the use process of the resources.
In the process of executing equipment monitoring, an application service system collects the required parameter information and reports the parameter information to a visual interface, so that monitoring is realized. Further, in the process of executing equipment control, after receiving a monitoring request, the application service system matches control task information with a preset control flow, generates a corresponding operation plan flow, and executes a control script according to the operation plan flow to complete equipment configuration; the earth station receives the task scheduling command from the application service system, then analyzes the task scheduling command locally and returns the execution result to the application service system.
In the process of satellite communication, specific processes for resource configuration are as follows: according to the requirements, when the terminal acquires the resources, firstly, the satellite channel resources in the network resource pool are read, when the channel resources are insufficient, the application service system applies for sub-band resources to be allocated, and after the communication is finished, the application service system applies for releasing the satellite channel resources.
The forming process of the sub-band resource comprises the following steps:
step 1, initializing the application service system after starting a resource management process;
Step 2, receiving telemetry data according to the requirements of users for analysis;
step 3, obtaining optimal resources in each wave beam and each frequency band as currently available sub-band resources;
step 4, dividing and numbering the sub-band resources according to a preset bandwidth to form initial sub-band resources;
and 5, configuring an initial sub-band exchange relation to form an initial satellite sub-band resource pool, and writing the resource pool information into a database.
In addition, in the communication process, a preset polling time period mode is adopted for request and response aiming at the sending and response of the instruction.
In a second aspect, a deployment method for satellite network management and satellite measurement and control is provided, the method specifically comprising the following steps:
constructing a fusion management system consisting of an application service system, a satellite network management system and a satellite measurement and control system;
Establishing a project operation file, and extracting a constructed fusion management system from a project library through a cloning instruction;
Logging in a private mirror library through a login instruction;
executing a deployment instruction under the established project file to complete system deployment;
And carrying out corresponding communication management and control on the visual operation interface terminal according to the user requirements.
The beneficial effects are that: the invention provides a fusion system for satellite network management and satellite measurement and control, an application method thereof and an deployment method thereof, and a master station operator can uniformly manage two satellite communication networks of FDMA and TDMA on different interfaces of one software through the fusion system, so that the purpose of convenient management is realized. On the other hand, interaction with the satellite is realized by fusing the satellite measurement and control system, and the efficiency of managing and configuring satellite resources is further improved.
Drawings
FIG. 1 is a schematic diagram of a system architecture according to the present invention.
Fig. 2 is a schematic architecture diagram of an application service system according to the present invention.
FIG. 3 is a flow chart illustrating the formation of sub-band resources according to the present invention.
Fig. 4 is a schematic diagram of a satellite network management system according to the present invention.
Fig. 5 is a service flow chart of the satellite network management system of the present invention.
FIG. 6 is a schematic diagram of a satellite measurement and control system according to the present invention.
FIG. 7 is a schematic diagram of a workflow of device monitoring and control of the application service system of the present invention.
Fig. 8 is a flow chart of remote control command transmission between a central station and a satellite according to the present invention.
FIG. 9 is a flow chart of telemetry command transmission between a satellite and a central station according to the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
Example 1
In one embodiment, a fusion system for satellite network management and satellite measurement and control is provided for unified management of a satellite network, and an operator can realize unified management on the same interface through operation of a master station, so that a redundant management process is simplified.
Specifically, as shown in fig. 1, a fusion system for satellite network management and satellite measurement and control includes:
The application service system is arranged to be responsible for the management of the remote equipment and the terminal equipment and is used for providing at least one type of decision basis;
The satellite network management system is arranged to establish a resource interaction channel with the application service system and is used for applying and issuing resources;
the satellite measurement and control system is arranged to establish a resource interaction channel with the application service system and is used for synchronizing and configuring resources.
The application service system is responsible for realizing remote and local equipment management and comprises the following steps: presenting, interacting, providing reasonable, quick and simple decision materials for decision support, and having the capability of analyzing signals in different frequency bands, detecting and analyzing interference signals and carrying out statistic analysis on communication parameters. The preferred embodiments specifically include:
(1) Receiving, detecting, identifying, parameter estimating, demodulating, estimating the interference signal to noise ratio and separating the signal and interference power frequency spectrum of the signals in the X frequency band and the Ka frequency band;
(2) Real-time detection and analysis of interference signals and signal change alarming capability;
(3) Recording, counting and analyzing the communication flow, start-stop time, signal-to-noise ratio, error rate and frame error rate.
The satellite network management system is used for managing the operation of a satellite communication network, realizing networking application, network task planning and evaluation, planning a network, establishing an available resource pool for the network, evaluating and optimizing the network operation, and realizing functions of terminal monitoring, service processing, resource allocation as required and the like.
The satellite measurement and control system is responsible for satellite load management, sub-band exchange, gain control, remote management of satellite load and cross-link management control among all sub-bands.
Example two
In a further embodiment of the first embodiment, as shown in fig. 2, the application service system specifically includes: the system comprises a satellite resource management module, a site management module, an equipment monitoring module and a telemetry data analysis module.
Specifically, the satellite resource management module is used for realizing the management of satellite resources, and completing the configuration of satellite loads by interacting with the satellite test system, wherein the configuration comprises a sub-band exchange relationship, sub-band gain, remote control and the like; an interface for resource application and release can be provided for the network management system; through interaction with the spectrum analysis module, the allocation of interference resources is skipped when satellite resources are allocated; and notifying the network management system of re-applying the resource for the satellite resource with the interference detected after the satellite resource is allocated.
The site management module is used for realizing management of each site device in the network, and the manageable devices comprise: an antenna, a modem, etc. that provides a management interface. Addition, modification and deletion of earth stations, user terminals are supported, and device states are maintained.
The device monitoring module can periodically record and statistically analyze the local and remote device states, software running states, communication traffic, start-stop time and signal-to-noise ratio according to the set strategy.
The telemetry data analysis module is used for receiving telemetry data from the central station and controlling the satellite load.
The application service system further provides functional data support such as resource situation presentation, equipment state presentation and platform state presentation for interface presentation through an interface agent of the public service.
Example III
In a further embodiment based on the first embodiment, in the process of performing resource interaction, a satellite resource management module in the application service system is used for realizing management of satellite resources, and satellite resource configuration includes configuration of satellites and beam information and display of sub-band information. The satellite and beam information configuration supports new addition, modification and deletion of existing information, and subband information supports manual data synchronization.
Specifically, when the satellite and beam information is newly added, the system needs to check that the satellite number and the beam number are globally unrepeatable; satellite number and beam number can not be modified when the satellite and beam information is modified; when deleting satellite and wave beam information, checking whether the current satellite resource information is occupied by communication, if yes, prompting that the current satellite resource information is not occupied, and if not, performing physical deletion, wherein all deletion needs to be performed with secondary checking prompt.
The sub-band information is displayed according to the data provided by the satellite measurement and control system, and the system automatically synchronizes the sub-band information after the beam information is newly added, wherein the beam information confirmation operation is used as trigger, and meanwhile, a manual synchronization button is added for processing the scene of automatic synchronization failure.
In a further embodiment, the fields involved in the satellite resource configuration include: satellite configuration field, beam configuration field, and subband information field. Wherein the satellite configuration field includes: satellite number, satellite name, longitude, latitude, altitude; the beam configuration field includes: beam number, beam name, frequency band type (KA/X), alarm threshold (dBm), communication threshold (dBm), start frequency, end frequency, power; the subband information field includes: subband number, start frequency, end frequency.
The application service system initializes the sub-band information under each wave beam through the data transmission channel established by the satellite measurement and control system to form an initial resource pool of the network management. In a preferred embodiment, the initialized sub-band information is 2.6M bandwidth, wherein 0.6M is the guard bandwidth. The user visual terminal interface can present sub-band power detection under each wave beam, and can view all sub-band detail information under the current wave beam through the detail icon in the navigation column of the wave beam information list interface.
In a further embodiment, in the process of resource interaction, a subband gain configuration module in the application service system can adjust the gain of a single subband according to the requirement of a user, and the subband gain is modified by selecting an icon of the single subband in a subband detail page of the user visual terminal. In a preferred embodiment, when an illegal carrier is found during the monitoring process, the gain is reduced to prevent communication. In a visual terminal interface of a monitoring system, red and blue dotted lines displayed in a page represent 2 threshold values, when the threshold values exceed red, the threshold values are abnormal, when the threshold values are lower than blue, the threshold values are in an un-communicated state, the sub-band number of a ground center station is 1-96, 1-48 represents a sub-band of a channel 1 frequency band, and 49-96 identifies a sub-band of a channel 2 frequency band, so that the specific sub-band is viewed with finer granularity.
In a further embodiment, for the interference situation in the communication process, the application service system performs interference judgment according to the subband information returned by the satellite measurement and control system and the current subband communication situation.
Specifically, setting a corresponding warning threshold and a corresponding communication threshold according to a wave beam, judging according to the communication condition of the current sub-band, judging that the sub-band is interfered when the sub-band is not in a communication state and the sub-band power is larger than the communication threshold, and adopting a red mark to carry out warning reminding; if the current sub-band is in a communication state and the sub-band power is larger than the alarm threshold, judging that the sub-band power is abnormal, applying a red mark and carrying out alarm reminding.
In a further embodiment, the application service system synchronizes the specific sub-band information in the process of resource interaction, and then plans a part of exchange relationship according to the channel resource requirement. The channel resource demand information refers to recording the designated resource allocation control channel rate, the center frequency point and the required bandwidth in the exchange relationship, and the rest part uses the service control channel.
Specifically, the exchange relationship is configured as follows: the central station is on beam 1, and part of the remote stations are on beam 3, so that the user needs to configure the sub-band exchange between beam 1 and beam 3, such as the exchange between sub-band number 16 of beam 1 and sub-band number 57 of beam 3, and directly select the required sub-band resources in the beam information corresponding to the page. Wherein the idle resource background is white, the idle resource background is selected to be blue, the idle resource background is occupied to be gray, and the interference background is red.
And entering a sub-band exchange configuration page in the visual terminal interface, and displaying all configuration lists by default. Wherein the network type configuration field supports selection of resources allocated to TDMA or FDMA networks to form respective pools of resources for TDMA and FDMA. In a preferred embodiment, the sub-band switch configuration page clicks the new button to make a sub-band switch configuration new. The configured data does not support modification, only supports deletion, and when deleting, the current sub-band needs to be checked whether the current sub-band is occupied by communication, if occupied, the data can not be deleted, and if not, the data is not occupied for physical deletion.
The fields involved include: a subband configuration list field and an added field, wherein the subband configuration list field comprises: satellite, upstream beam name, upstream subband number, downstream beam name, downstream subband number, network type, creation time, operation (edit/delete); the newly added fields include: and maintaining satellite and network type fields, displaying resource information under the satellite beam by the system, and manually designating a required resource segment by a user.
In a further embodiment, the built fusion system further comprises a resource usage statistics function for displaying currently used frequency resources and available frequency resources at the visual terminal interface.
Specifically, the resource use conditions are distinguished through the marks with different colors in the user visual terminal interface. In the preferred embodiment, the resources of the blue portion indicate that they have been occupied by traffic or control. The white part represents free resources. According to the resource use details displayed by a single satellite, each section of resource display increases the sub-band number information in the exchange configuration, and the mouse moves to a blue area to display the starting and ending frequency point information. Where used means that a sub-band switch configuration has been established and assigned to a certain control or traffic communication.
Example IV
In a further embodiment based on the first embodiment, after receiving the call request sent by the satellite network management system, the application service system adopts its own resource allocation module to allocate resource data according to the resource allocation policy, and returns the resource data to the satellite network management system. The satellite network management system sends the received resource data to the control terminal, and the control terminal forwards the resource data to each terminal device. The policy basis of the resource allocation is that the resource frequency band is randomly allocated according to the network type, the uplink and downlink beam information and the bandwidth.
Specifically, in the process of satellite communication, the specific process for the resource configuration is as follows: according to the requirements, when a terminal acquires resources, firstly reading satellite channel resources in a network resource pool, when the channel resources are insufficient, applying for sub-band resources to the application service system for allocation, and applying for releasing the satellite channel resources after the communication is finished;
the forming process of the sub-band resource comprises the following steps:
step 1, initializing the application service system after starting a resource management process;
Step 2, receiving telemetry data according to the requirements of users for analysis;
step 3, obtaining optimal resources in each wave beam and each frequency band as currently available sub-band resources;
step 4, dividing and numbering the sub-band resources according to a preset bandwidth to form initial sub-band resources;
and 5, configuring an initial sub-band exchange relation to form an initial satellite sub-band resource pool, and writing the resource pool information into a database.
In a preferred embodiment, as shown in fig. 3, after the application service system is started for the first time, according to the available frequency range information configured by the user, telemetry data from the satellite is received for analysis, and the optimal resources in each beam and each frequency band are selected as the current available sub-band resources. And carrying out sub-band division and numbering on the selected frequency resources according to 2.6M (0.6M guard bandwidth) to form initial sub-band resources. And configuring an initial sub-band exchange relation to form an initial satellite sub-band resource pool, and writing the resource pool information into a database. When the FDMA network of the satellite network management system configures satellite channel resources for the terminal, the satellite channel resources are preferentially acquired from a network resource pool of the FDMA network, when the channel resources are insufficient, sub-band resources are required to be applied to an application service system for allocation, the satellite channel resources are required to be applied to be released after the communication is finished, and the time slot resources of the TDMA network are managed by the satellite network management system.
In a further embodiment, the bandwidth information is derived from rate information provided in the call signaling of the terminal device, and the satellite network management system is formulated into bandwidth information, and the satellite beam information is provided by the satellite network management system.
Example five
In a further embodiment based on the first embodiment, the site management module in the application service system is configured to maintain user unit information, earth station and terminal data, and display the data relationship in the visualized terminal through a form of a tree diagram.
The fields involved in the configuration process of the in-station device include: departments, earth stations, and terminals. The field information of the departments comprises department names and department numbers, the door names are manually input by users, and the department numbers are automatically generated by increasing the database; the field information of the earth station includes an earth station serial number, an earth station type and an earth station name; the field information of the terminal comprises a terminal number, a modulation mode, forward error correction coding rate, service power compensation, health status and longitude and latitude.
In a preferred embodiment, at the user visual manipulation end, the earth station type is manipulated in the form of a drop down box selection, the options including: fixed station, portable station, vehicle station, access station; the name of the earth station is manually input by a user, and the length is limited to 20 words; the earth station serial number system is incremented by the database. The terminal number, the terminal number and the service power compensation are manually input by a user, and the input format is a character string; modulation scheme, forward error correction coding rate, in the form of drop-down box selection, the modulation scheme options include: BPSK, QPSK, 8psk,16qam, etc., forward error correction coding options include: reed-Solomon, turbo Code, LDPC Code, forward error correction coding rate: 1/2, 3/4, 7/8, etc.; the health status options include: health, failure. And acquiring communication power/signal-to-noise ratio in real time for display, manually refreshing, and sending an air interface signaling to the terminal for inquiring by the control terminal. The equipment enters a network-exiting state, and the communication state needs to be updated in real time.
And viewing the state information returned by the equipment at the visual terminal according to the user requirement, wherein the method comprises the following steps of: location information, health status, network entry and exit status, communication power, and signal to noise ratio data for the device.
In addition, the abnormal information in the monitoring communication process is notified through a popup window alarm mode, and the popped alarm information can be closed only through manual operation, so that a user can be ensured to acquire the alarm information timely. And meanwhile, the viewing of the historical alarm information is supported, so that the later inquiry of the user is facilitated, and the analysis is improved.
Example six
In a further embodiment based on the first embodiment, the satellite network management system is used for managing the operation of the satellite communication network, so as to realize networking application, network task planning and evaluation, and realize functions of terminal monitoring, service processing, resource allocation according to needs, and the like.
Specifically, as shown in fig. 4, the satellite network management system further includes: the TDMA network management module and the FDMA network management module are used for calling corresponding network management functions according to requirements.
The TDMA network management module adopts a DVB/MF-TDMA communication system aiming at the requirements of normalized transmission application, has high system efficiency and supports large-scale networking. The module can obtain the load efficiency of more than 93% while realizing high-efficiency networking based on optimized management control signaling. By adopting the forward and backward ACM mechanism, the limited bandwidth resource can be effectively utilized, and a higher information rate can be provided. Meanwhile, the system has a QoS guarantee mechanism, can provide good support for voice, video and other delay sensitive applications, is based on DVB-RCS2 technical specifications, and is suitable for Internet applications with star network structures and bursty traffic.
The FDMA network management module supports FDMA/SCPC satellite communication system, has the core network management functions of satellite resource and satellite communication terminal configuration, satellite communication service processing, real-time monitoring of system and terminal state, statistical analysis of communication records, system operation safety control and the like, and simultaneously provides advanced functions of satellite resource dynamic allocation, communication terminal remote control, control center hierarchical management, virtual sub-network resource management, shared channel service, local/abnormal heat backup and the like. Compared with other satellite communication system control centers, the control center in the current module has obvious advantages in the aspects of satellite resource utilization rate, system fault-tolerant operation capability, network management scale, system usability and the like.
Specifically, each hardware device of the control center is interconnected through network devices such as a switch and a router to form a local area network in the control center. In the preferred embodiment, the control center software is a set of B/S software system, the background service is operated on a server in the control center, all management control functions such as communication service processing, communication terminal state monitoring, communication log recording and the like are realized, and the front-end software is operated on a client computer to provide a graphical operation interface for a system administrator. The control terminal in the control center interacts with the control center software to provide a control channel for the control center software, and control signaling generated by the control center software is sent to the remote satellite communication terminal through the radio frequency system, and meanwhile, communication signaling from the remote satellite communication terminal is forwarded to the control center software. The service terminal in the control center is used for carrying out service communication with the remote satellite communication terminal, and the remote satellite communication terminal and the service terminal in the control center use satellite service channels distributed by the control center software to transmit service data. The comprehensive service application software runs on a PC in the control center, and provides the user with simple and easy service functions such as voice, video, data and the like through a graphical interface. The control center can also provide calling ground telephone network users and Internet access services for users in the satellite network by accessing the ground telephone network and the Internet.
The hardware equipment in the control center provides a control information transmission path and a software operation platform, and the control center software realizes the management control function of the satellite communication system and comprises the following components: communication control, configuration management, fault management, performance management, security management, etc.
In a further embodiment, as shown in fig. 5, when the satellite network management system is invoked, after the user's requirement is verified, a corresponding execution module is invoked according to the generated trigger instruction; further, preprocessing the data demand after receiving the request of the user, thereby obtaining the resource type of the user request, then selecting the resource according to the resource type, and generating network parameters by adopting a corresponding network planning mode after the selection is completed, wherein the network parameters are used as the basis for issuing execution. Wherein the preprocessing of the data requirements comprises: channel demand computation, resource bandwidth computation, satellite resource state maintenance, and satellite resource filtering.
Specifically, in the network planning, the bandwidth resources may be continuous or discontinuous frequencies, and in the process of calculating the bandwidth of the resources, the channel requirements are converted into the bandwidth requirements of the resources. Planning of the subnetwork also requires calculation of bandwidth resources occupied by additional network control channels. And superposing the service channel bandwidth and the control channel bandwidth to obtain the total bandwidth number required by the task.
The satellite resource state maintenance is used for acquiring available resource information from resource configuration, acquiring resource use state information from satellite resource service, and summarizing interference conditions of idle resources in real time to form a state view of the available satellite resources for use in resource allocation and network planning. The available satellite resources are preferred in combination with the user's usage habits and historical usage of the satellite resources.
The satellite resource filtering is used for filtering available resources by using the filtering conditions when one or more of coverage, alternative satellites, frequency bands and other conditions are specified in the user demand, so that the selection range of the standby resource pool is reduced.
In a further embodiment, in general, there are many alternative resources in the system that can meet the requirements, and in order to further improve the efficiency of the system resources while guaranteeing the high-quality task guarantee, a certain policy model needs to be adopted to select and recommend the resources. The recommendation algorithm comprehensively considers factors such as quality of candidate resources, historical use preference of users, resource usability and the like, performs resource preference based on a performance evaluation method, and performs priority recommendation according to comprehensive scores.
When the resources are selected according to the resource types, network planning parameters of the Ka or X frequency band satellite communication sub-network or the virtual sub-network are generated according to the network types appointed by the users, and configuration information required by intercommunication is planned according to the service virtual sub-network intercommunication relation requirements to form virtual sub-network intercommunication planning parameters. And then generating networking parameters according to the generated network planning parameters and virtual subnet interworking planning parameters, and executing networking by using the network parameters after the user confirms. The networking parameters comprise information such as whole network parameters, equipment information, resource configuration information, carrier configuration information, numbering addressing, route switching and the like.
Example seven
In a further embodiment of the first embodiment, as shown in fig. 6, the satellite measurement and control system further includes: a satellite telemetry module configured to receive telemetry data; and the satellite remote control module is used for sending out remote control signaling and receiving remote control response. The satellite measurement and control system is responsible for satellite load management, sub-band exchange, gain control, remote management of satellite load and hinge management control among sub-bands.
In the process of realizing data interaction, communication is carried out through a data interface layer, wherein the data interface layer comprises a telemetry data receiving interface, a remote control instruction interface, a database operation interface and an application service data interaction interface; the remote sensing data receiving interface is used for completing the receiving of all remote sensing data issued by the load on the satellite, and the remote control command interface sends a remote control command on the ground to the satellite and receives a confirmation whether the information is received on the satellite; the database interface is used for completing the storage of data and the acquisition of relevant configuration data, and the network control data interaction interface is used for completing the butt joint with the network control system.
When the service processing layer processes the service, the service processing layer obtains various message data to be processed from the interface, converts the service data into messages to be placed into a message queue, and transmits the classified messages to each processing module for processing.
The module for processing the classified information comprises: the system comprises a management control module, a service message processing module, a telemetry data analysis module, a data encapsulation module and the like of each processor. Two types of data frames are mainly transmitted for completing satellite-ground management control, wherein the two types of data frames are respectively: telemetry signaling frames and remote control signaling frames.
The telemetry signaling frame is a type of data frame for controlling the on-board equipment, the type of data frame is sent to the satellite by the ground central station, and the satellite needs to respond to the corresponding command frame. The remote control signaling frame is a type of data frame reported to the ground by the state of the on-board equipment, and the type of data frame is generated autonomously by the on-board equipment and is periodically transmitted to the ground central station.
Example eight
In a further embodiment based on the first embodiment, in the process of performing equipment monitoring, the application service system collects the required parameter information and reports the parameter information to the visual interface, so that monitoring is realized.
In the process of executing equipment control, as shown in fig. 7, after receiving a monitoring request, an application service system matches control task information with a preset control flow, generates a corresponding operation plan flow, and executes a control script according to the operation plan flow to complete equipment configuration; the earth station receives the task scheduling command from the application service system, then analyzes the task scheduling command locally and returns the execution result to the application service system.
The analysis of the telemetry data is used for realizing control of the satellite load and carrying out acquisition of sub-band information, sub-band exchange relation configuration, sub-band gain configuration and acquisition of interference information.
In a further embodiment, as shown in fig. 8, when the satellite measurement and control system controls the remote control between the central station and the satellite, the method further comprises the following steps:
Step I, a central station initiates a remote control instruction and sends the remote control instruction to a satellite;
Step II, the satellite performs CRC check on the received remote control instruction, and judges a check result; when the test result is correct, jumping to the step III; otherwise, returning a satellite-to-ground instruction failure response message, and jumping to the step V;
Step III, executing the remote control instruction and returning a satellite-to-ground instruction execution response message;
Step IV, CRC check is carried out; judging a verification result, and when the judgment result is correct, responding to the instruction to send success information and ending the current flow; otherwise, jumping to the step V;
Step V, responding to the instruction sending failure information, triggering a resending instruction within preset times, and jumping to the step II;
The remote control instruction is used for managing subband gain and subband exchange, acquiring satellite load states and controlling satellite loads. In the preferred implementation, the remote control command is initiated by the central station and sent to the satellite through the network port or the wireless module, and the flow of the remote control command sent by the central station is shown in the above chart. When the signaling processing time is overtime or the CRC check fails, the central station sends the instruction again, and the retransmission times are three times.
In a further embodiment, as shown in fig. 9, when telemetry command between the satellite measurement and control system control central station and the satellite is sent, the method further comprises the following steps:
Step i, the central station generates a remote polling instruction and sends the remote polling instruction to the satellite;
Step ii), after receiving the remote polling instruction, the satellite performs CRC check; when the verification result is correct, jumping to the step iv; otherwise, jumping to step iii;
step iii, returning verification result information, feeding back to a visualization end, and ending the current flow, wherein the verification result information is used as a basis for subsequent processing;
step iv, returning the satellite to the equipment state to the central station;
and v, the central station receives the state information sent by the satellite.
The central station generates a remote polling command and then judges the polling interval time, and receives state information sent by the satellite when the time is overtime and is not overtime; otherwise, after recording and displaying the overtime information, retransmitting a remote measurement polling instruction; the remote measurement polling command is initiated by the central station and is used for acquiring satellite load states and acquiring satellite equipment state information by sending the polling command within a preset interval period. In a preferred embodiment, telemetry instructions may acquire satellite loading conditions. The remote measurement is initiated by the central station, a polling command is sent to the satellite at intervals of a certain time, the polling time is configurable (the configuration range is 0.1-300 s, the step is 0.1 s), and after the satellite receives the polling command, the satellite returns satellite equipment state information after the command is checked to be correct. When the satellite returns telemetry information, the satellite returns to the channelized 1 state, the channelized 2 state, the exchange state, the channel and other states in sequence.
Example nine
In one embodiment, a deployment method based on a fusion system is provided, and the method specifically includes the following steps:
constructing a fusion management system consisting of an application service system, a satellite network management system and a satellite measurement and control system;
Establishing a project operation file, and extracting a constructed fusion management system from a project library through a cloning instruction;
Logging in a private mirror library through a login instruction;
executing a deployment instruction under the established project file to complete system deployment;
And carrying out corresponding communication management and control on the visual operation interface terminal according to the user requirements.
In a preferred embodiment, the system service deployment method specifically comprises the following steps:
pulling compat _ deploy items from the private store using the gitclone command;
logging in a private mirror warehouse by using a docker login command;
execution of docker compose up commands under compat _ deploy directory may be deployment complete.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a fusion system for satellite network management and satellite measurement and control which characterized in that specifically includes:
An application service system, configured to be responsible for management of a remote device and a terminal device, for providing at least one type of decision basis, and correspondingly includes: the system comprises a resource management module, a site management module, a device monitoring module and a telemetry data analysis module, wherein the resource management module, the site management module, the device monitoring module and the telemetry data analysis module are used for analyzing signals in different frequency bands, detecting and analyzing interference signals and carrying out statistical analysis on communication parameters; the site management module is used for maintaining user unit information, earth stations and terminal data and displaying the data relationship of the user unit information, the earth stations and the terminal data in a visualized terminal in a form of a tree diagram;
The satellite network management system is configured to establish a resource interaction channel with the application service system, and is used for applying and issuing resources, and correspondingly comprises: a TDMA network management module and an FDMA network management module; the TDMA network management module and the FDMA network management module perform preprocessing of data requirements after receiving a request of a user so as to obtain a resource type of the user request, then select resources according to the resource type, and generate network parameters by adopting a corresponding network planning mode after the selection is completed so as to be used as a basis for issuing execution;
when the satellite network management system is called, after the requirements of the user are verified, a corresponding execution module is called according to the generated trigger instruction; further, preprocessing data requirements after receiving a request of a user so as to obtain a resource type of the user request, selecting the resource according to the resource type, and generating network parameters by adopting a corresponding network planning mode after the selection is completed, wherein the network parameters are used as a basis for issuing execution; wherein the preprocessing of the data requirements comprises: channel demand calculation, resource bandwidth calculation, satellite resource state maintenance and satellite resource filtering; the satellite resource state maintenance is used for acquiring available resource information from resource configuration, acquiring resource use state information from satellite resource service, and summarizing interference conditions of idle resources in real time to form a state view of the available satellite resources for use in resource allocation and network planning; combining the using habit and the history using condition of the user on the satellite resource, and optimizing the available satellite resource; the satellite resource filtering is used for filtering available resources by using the filtering conditions when one or more of coverage, alternative satellites, frequency bands and other conditions are specified in the user demand, so that the selection range of the standby resource pool is reduced;
The satellite measurement and control system is arranged to establish a resource interaction channel with the application service system and is used for synchronizing and configuring resources, and correspondingly comprises: a satellite telemetry module and a satellite remote control module;
The application service system initializes the sub-band information under each wave beam through a data transmission channel established by the satellite measurement and control system to form an initial resource pool of a network manager;
In the process of resource interaction, a sub-band gain configuration module in the application service system can realize adjustment of the gain of a single sub-band according to the requirement of a user, and the sub-band gain is modified by selecting an icon of the single sub-band in a sub-band detail page of a user visual terminal; in addition, aiming at the interference situation in the communication process, the application service system carries out interference judgment according to the sub-band information returned by the satellite measurement and control system and the current sub-band communication situation; setting a corresponding warning threshold and a corresponding communication threshold according to the wave beam, judging according to the communication condition of the current sub-band, judging that the sub-band is interfered when the sub-band is not in a communication state and the power of the sub-band is larger than the communication threshold, and adopting a red mark to carry out warning reminding; if the current sub-band is in a communication state and the sub-band power is larger than the alarm threshold, judging that the sub-band power is abnormal, applying a red mark and carrying out alarm reminding;
After receiving a call request sent by the satellite network management system, the application service system adopts a self resource allocation module to allocate resource data according to a resource allocation strategy and transmits the resource data back to the satellite network management system; the satellite network management system sends the received resource data to the control terminal, and the control terminal forwards the resource data to each terminal device; the strategy basis of the resource allocation is that the resource frequency band is randomly allocated according to the network type, the uplink and downlink beam information and the bandwidth;
In the process of satellite communication, specific processes for resource configuration are as follows: according to the requirements, when a terminal acquires resources, firstly reading satellite channel resources in a network resource pool, when the channel resources are insufficient, applying for sub-band resources to the application service system for allocation, and applying for releasing the satellite channel resources after the communication is finished;
the forming process of the sub-band resource comprises the following steps:
step 1, initializing the application service system after starting a resource management process;
Step 2, receiving telemetry data according to the requirements of users for analysis;
step 3, obtaining optimal resources in each wave beam and each frequency band as currently available sub-band resources;
step 4, dividing and numbering the sub-band resources according to a preset bandwidth to form initial sub-band resources;
and 5, configuring an initial sub-band exchange relation to form an initial satellite sub-band resource pool, and writing the resource pool information into a database.
2. The converged system for satellite network management and satellite measurement and control of claim 1, wherein the application service system further comprises:
The resource management module is arranged for configuring satellite and beam information and displaying sub-band information according to application requirements;
The station management module is arranged for managing each station device in the network;
The device monitoring module is arranged for periodically monitoring the states of the local device and the remote device according to a preset strategy;
and the telemetry data analysis module is used for receiving telemetry data and controlling satellite load.
3. The system for the integration of satellite network management and satellite measurement and control according to claim 1, wherein the satellite measurement and control system is used for satellite load management, subband switching, gain control, remote management of satellite load and hinge management control among subbands; the satellite measurement and control system comprises:
a satellite telemetry module configured to receive telemetry data;
The satellite remote control module is arranged to send out remote control signaling and receive remote control response;
A data interface layer and a service processing layer are divided between the satellite telemetry module and the satellite remote control module, and the data interface layer is used for regulating and controlling a corresponding data interface according to requirements to realize data receiving and transmitting; the service processing layer is used for carrying out service processing according to the data received by the data interface layer, and the data form related in the processing process comprises a telemetry signaling frame and a remote control signaling frame.
4. The fusion system for satellite network management and satellite measurement and control according to claim 1, wherein the fusion system invokes the corresponding management function according to the generated trigger instruction after verifying the user's requirement.
5. The system for integrating satellite network management and satellite measurement and control according to claim 1, further comprising a resource statistics subunit, wherein the resource statistics subunit is configured to analyze a resource usage situation in a communication process in real time, and assist a user in allocating resources by displaying the resource usage situation in real time.
6. A method of application based on a fusion system according to any one of claims 1 to 5, comprising the steps of:
a. Performing equipment monitoring: the application service system collects the needed parameter information and reports the parameter information to a visual interface so as to realize monitoring;
b. Performing device control: after receiving the monitoring request, the application service system matches the control task information with a preset control flow, generates a corresponding operation plan flow, and executes a control script according to the operation plan flow to complete equipment configuration; the earth station receives the task scheduling command from the application service system, then analyzes the task scheduling command locally and returns an execution result to the application service system;
c. Configuring satellite channel resources: according to the requirements, when the terminal acquires the resources, firstly, the satellite channel resources in the network resource pool are read, when the channel resources are insufficient, the application service system applies for sub-band resources to be allocated, and after the communication is finished, the application service system applies for releasing the satellite channel resources.
7. The application method according to claim 6, wherein the forming process of the subband resources is:
step 1, initializing the application service system after starting a resource management process;
Step 2, receiving telemetry data according to the requirements of users for analysis;
step 3, obtaining optimal resources in each wave beam and each frequency band as currently available sub-band resources;
step 4, dividing and numbering the sub-band resources according to a preset bandwidth to form initial sub-band resources;
and 5, configuring an initial sub-band exchange relation to form an initial satellite sub-band resource pool, and writing the resource pool information into a database.
8. The application method according to claim 6, wherein the request and the response are performed by a preset polling period for the transmission and the response of the command in the communication process.
9. Deployment method for implementing the deployment of a fusion system according to any one of claims 1 to 5, characterized in that it comprises the following steps:
constructing a fusion management system consisting of an application service system, a satellite network management system and a satellite measurement and control system;
Establishing a project operation file, and extracting a constructed fusion management system from a project library through a cloning instruction;
Logging in a private mirror library through a login instruction;
executing a deployment instruction under the established project file to complete system deployment;
And carrying out corresponding communication management and control on the visual operation interface terminal according to the user requirements.
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| CN115173921B (en) * | 2022-06-29 | 2023-03-07 | 中国人民解放军军事科学院系统工程研究院 | Networking scheduling system and method for multi-satellite, multi-station and multi-network environment |
| CN115276777B (en) * | 2022-07-25 | 2024-04-26 | 中国电子科技集团公司第五十四研究所 | TDMA networking parameter management method based on data abstract and time stamp |
| CN115694604A (en) * | 2022-09-29 | 2023-02-03 | 凯睿星通信息科技(南京)股份有限公司 | Network management satellite resource data updating method based on deep learning |
| CN115694608B (en) * | 2022-10-19 | 2023-09-12 | 航天科工空间工程网络技术发展(杭州)有限公司 | Satellite network management method |
| CN115549772B (en) * | 2022-12-01 | 2023-03-31 | 银河航天(北京)通信技术有限公司 | Telemetry method, device and storage medium based on configuration information |
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