CN115001563A - VSAT satellite communication resource uniform distribution system - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention belongs to the technical field of satellite communication, and discloses a VSAT satellite communication resource uniform distribution system, which comprises a satellite transponder, a satellite resource centralized control center and a plurality of satellite communication subnetworks, wherein the satellite resource centralized control center is communicated with the subnetworks through radio carrier signals received and forwarded by the satellite transponder; resource unified scheduling system software is installed in the satellite resource centralized control center, and subnet network management system software is installed in the VSAT subnet central station; the resource unified scheduling system software comprises a main network control channel module, a whole network management module, a situation presentation module, a frequency spectrum monitoring and anti-interference module and a charging management module; the subnet network management system software comprises a subnet control channel module and a subnet network management module; the resource uniform scheduling system software and the subnet network management system software both comprise a station state monitoring module, a machine room dynamic loop monitoring module and a duty maintenance module.
Description
Technical Field
The invention belongs to the technical field of satellite communication, and particularly relates to a VSAT satellite communication resource uniform distribution system.
Background
With the vigorous development of the global satellite communication industry, the technology is continuously innovated, the system is rapidly changed, the application service is continuously deepened, and the popularization range is also greatly expanded; the satellite communication refers to radio communication between earth stations or between a spacecraft and the earth stations by using a satellite transponder, the satellite transponder can be used for forwarding received transmission signals, and stations needing information exchange are interconnected and communicated on a satellite link layer; with the wide application of satellite communication systems in major fields such as military affairs, electric power, emergency, national security, emergency rescue and disaster relief, the problems of scarce satellite transponder bandwidth resources and high rental cost are increasingly obvious, and meanwhile, because different types of users occupy different satellite transponder resources for different time periods, only a small part of the fixed bandwidth resources rented by the users in continuous time are occupied, and the rest of the fixed bandwidth resources are in an idle state and cannot provide communication services for other users, so that a great deal of waste of the satellite transponder resources is caused; on the premise of ensuring that users can quickly, stably and smoothly communicate by using satellites, the method for improving the utilization rate of satellite transponder resources and reducing the operation and maintenance costs of the users is urgent.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: the VSAT satellite communication resource uniform distribution system is provided.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a VSAT satellite communication resource uniform distribution system comprises a satellite transponder, a satellite resource centralized control center and a plurality of subnetworks, wherein each subnet comprises a VSAT subnet central station and a VSAT subnet remote station;
the outbound control channel of the satellite resource centralized control center adopts a TDM system, and the inbound control channel is realized by mixing FDMA and MF-TDMA systems;
the outbound control channel between the VSAT subnet central station and the remote station in each subnet adopts TDM system, the inbound control channel adopts TDMA system, the service channel adopts SCPC system;
resource uniform scheduling system software is installed in the satellite resource centralized control center, and subnet network management system software is installed in the VSAT subnet central station;
the resource uniform scheduling system software comprises a main network control channel module, a whole network management module, a situation presentation module, a frequency spectrum monitoring and anti-interference module and a charging management module;
the subnet network management system software comprises a subnet control channel module and a subnet network management module;
the resource uniform scheduling system software and the subnet network management system software both comprise a station state monitoring module, a machine room dynamic loop monitoring module and a duty maintenance module.
Further defined, the main network control channel module mainly comprises: the design is mainly responsible for receiving and transmitting control information of the whole resource unified scheduling system, is a core module of whole network communication, and is realized by adopting a mode of 'one-transmitting-three-receiving' of a control center and 'two-transmitting-one-receiving' of a subnet central station.
Further limited, the network-wide network management module mainly functions including: the design is responsible for unified scheduling and allocation of the whole satellite resource, and simultaneously monitors the running state of the whole network in real time, and the system is a core module of a resource unified scheduling system.
Further, the station status monitoring module has the main functions of: the design mainly takes charge of monitoring and managing the equipment in the central station for centralized control of satellite resources, receiving instructions of a network management module to complete control of working parameters of the equipment in the central station and access processing of IP services in the station to a satellite transmission system.
Further defined, the situation presenting module mainly comprises: the design shows the running situations of the satellite, the network system and the earth station in real time, can rapidly provide an alarm when abnormal conditions such as full network blocking, earth station offline and the like occur, and provides a primary fault reason; carrying out global and comprehensive data statistical analysis; situation presentation of important guarantee tasks and the like.
Further, the spectrum monitoring and anti-interference module mainly comprises: the design can help the personnel on duty to master the use distribution condition and the utilization ratio of frequency resources in real time and discover abnormal interference conditions in time by controlling the frequency spectrum analyzer to perform uninterrupted automatic monitoring on satellite signal carriers and recording and analyzing parameters such as carrier-to-noise ratio, signal power and the like of specific carrier signals, can provide a signal carrier analysis report and discover faults and hidden dangers existing in radio frequency equipment and space sections in time, can perform automatic interference effective treatment and fault equipment switching operation through a linkage treatment module in an automatic mode, improve the reliability of the system, expand the functions of the frequency spectrograph, enhance the automatic monitoring capability of the instrument, have the capability of sound and image synchronous alarming, and send out sound and light alarming for various abnormal conditions monitored by the system, the method records the spectrogram of alarm time, alarm state and alarm time in a data file, provides a powerful graphical basis for searching interference and analyzing reasons, each recorded data file is visual and clear, each record can be vividly reproduced on an interface of the software in a visual mode, the time, reasons, processes, results, properties and the like of the occurrence of the interference can be known in time through the reproduced spectrogram, provides a favorable basis for rapidly and accurately eliminating the interference, processing signal abnormity, equipment abnormity and the like, compares the data with network management data automatically, finds an interference signal and notifies the network management to avoid an inferior channel when the channel is distributed in time, and simultaneously adopts anti-interference measures aiming at the illegal signal.
Further, the main functions of the machine room moving ring monitoring module include: UPS monitoring, on-off state monitoring, distribution parameter monitoring, accurate air conditioner control, humiture monitoring, the monitoring and the video monitoring of leaking, such design, can be to the current intelligent equipment of communication computer lab, high low voltage distribution equipment, storage battery, air conditioner and environment, the image, the monitoring is carried out to sound, accomplish simultaneously and controlled the communication and the transmission function of end control data, with various different functional subsystems (environment, power, distribution and video etc.) seamless fusion to a unified monitoring platform under, very big use and the management that has made things convenient for the user. The system is accessed by a browser, so that the use complexity of a user is simplified, and the user can skillfully use the system without special training as long as surfing the Internet.
Further defined, the subnet control channel module primary functions include: control center control channel and home network control channel. The control channel of the control center comprises: receiving a central signaling, uploading a home network state, receiving a control command, returning a command response, uploading a resource application and receiving an application response; the control channel of the local network comprises: the method comprises the steps of local network signaling issuing, remote station state returning, active command issuing, response return receiving, small station request receiving and response request issuing. The design mainly realizes the control information transmission interaction between the VSAT subnet and the control center, the channel is realized by adopting a mode of 'one-sending-three-receiving' of the control center and 'two-sending-one-receiving' of a subnet central station, the channel mainly realizes the receiving and sending of the control information in the subnet, is a core module of subnet communication, is similar to the control channel of the control center, and the subnet control channel is realized by adopting a mode of 'one-sending-three-receiving' of the subnet central station and 'two-sending-one-receiving' of a subnet far-end station.
The sub-network management module is mainly used for basic information maintenance, topology management, configuration management, frequency band resource management, alarm management, task management, hierarchical authority management, log management and other network system equipment interface reservation, and is in charge of scheduling and distributing satellite communication resources among all remote stations, a sub-network central station and the remote stations in the VSAT sub-network and monitoring the running states of all stations in the VSAT sub-network in real time.
Further defined, the duty maintenance module comprises the main functions of: the design of duty management, work order management and information release ensures the organization and management of system value maintenance personnel and daily work, and ensures the normal operation of the whole system.
The invention has the following beneficial effects:
the invention can monitor the stable operation of each station of the whole network and the uniform scheduling distribution of communication resources, the resource control center can manage and distribute a plurality of transponder resources on a plurality of satellites, master the resource occupation condition of each satellite transponder in real time, monitor the operation state of each subnet in real time, when a new service application is applied to the subnet, the VSAT subnet center station sends a request to the satellite resource centralized control center, the satellite resource centralized control center provides a reasonable and optimal resource occupation scheme for the subnet after receiving the request, and sends related communication link parameters to the subnet, and the subnet establishes corresponding service carriers for service communication after receiving the response; when the communication between the earth stations is finished, the sub-network central station releases the occupied bandwidth resources in time and informs the resource control center to provide space for service application of other users, so that the utilization rate of satellite resources is improved to the maximum extent;
according to the invention, the resource unified scheduling system software uses each subnet for satellite resource unified control, unified distribution and unified scheduling of communication, so that the utilization rate of satellite communication resources is maximized on the premise of ensuring stable operation of each subnet and timely smoothness of service communication, the bandwidth resources of the satellite transponder are intelligently distributed for each user reasonably, and unnecessary expenses are reduced and avoided, thereby reducing the operation and maintenance cost of the user, creating the maximized economic benefit, and further improving the industrial value of the satellite resource centralized control system.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic block diagram of an embodiment of a VSAT satellite communication resource unified allocation system of the present invention;
FIG. 2 is a software schematic block diagram of a uniform resource scheduling system according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of subnet network management system software of an embodiment of a VSAT satellite communication resource uniform allocation system of the present invention;
the main component symbols are as follows:
the system comprises a satellite resource centralized control center 1, a satellite transponder 2, a VSAT subnet central station 3, a VSAT subnet remote station 31, a subnet 4, resource unified scheduling system software 5, a whole network control channel module 51, a whole network management module 52, a situation presentation module 53, a spectrum monitoring and anti-interference module 54, a charging management module 55, subnet network management system software 6, a subnet control channel module 61, a subnet network management module 62, a site state monitoring module 7, a machine room dynamic loop monitoring module 8 and an attendance maintenance module 9.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, and fig. 3, the VSAT satellite communication resource uniform distribution system of the present invention includes a satellite transponder 2, a satellite resource centralized control center 1, and a plurality of subnets 4, where each subnet 4 includes a VSAT subnet central station 3 and a VSAT subnet remote station 31, and the satellite resource centralized control center 1 communicates with each subnet 4 through radio carrier signals received and forwarded by the satellite transponder 2;
the outbound control channel of the satellite resource centralized control center 1 adopts TDM system, and the inbound control channel is realized by mixing FDMA and MF-TDMA system;
the outbound control channel between the VSAT subnet central station 3 and the remote stations in each subnet 4 adopts TDM system, the inbound control channel adopts TDMA system, the service channel adopts SCPC system;
a resource unified scheduling system software 5 is installed in the satellite resource centralized control center 1, and a subnet network management system software 6 is installed in the VSAT subnet central station 3;
the resource uniform scheduling system software 5 comprises a main network control channel module 51, a whole network management module 52, a situation presentation module 53, a frequency spectrum monitoring and anti-interference module 54 and a charging management module 55;
the subnet network management system software 6 comprises a subnet control channel module 61 and a subnet network management module 62;
the resource unified scheduling system software 5 and the subnet network management system software 6 both comprise a station state monitoring module 7, a machine room dynamic ring monitoring module 8 and an attendance maintenance module 9.
In this embodiment, when a VSAT satellite communication resource unified distribution system is used, a satellite resource centralized control center 1 and a subnet 4 are established first, the VSAT subnet comprises a subnet central station 3 and various VSAT subnet remote stations 31 comprising various communication stations such as a ground fixed station, a portable station, a vehicle-mounted station, a ship-mounted station, a machine-mounted station, etc., the VSAT satellite communication resource unified distribution system mainly comprises two parts, namely resource unified scheduling system software 5 installed in the satellite resource centralized control center 1 and subnet network management system software 6 installed in the VSAT subnet central station 3, and under the effect of using a satellite transponder 2, a bidirectional carrier communication link can be established between the satellite resource centralized control center 1 and the VSAT subnet central station 3 at any time, so that the state monitoring and resource scheduling of the whole network by the control center are ensured to be carried out smoothly;
the satellite resource centralized control center 1 communicates with each subnet 4 through radio carrier signals received and forwarded by the satellite transponder 2, an outbound control channel of the satellite resource centralized control center 1 adopts a TDM time division multiplexing system, and an inbound control channel is realized by mixing two systems of FDMA (frequency division multiple access) and MF-TDMA (multiple frequency-time division multiple access); the outbound control channel between the VSAT subnet central station 3 and the VSAT subnet remote station 31 in the subnet 4 adopts TDM time division multiplexing mode, the inbound control channel adopts TDMA mode, the service channel adopts SCPC mode, all VSAT subnet central stations 3 receive the control information transmitted by the carrier wave and carry out demodulation analysis, if the control command is related to the local subnet, the logic processing is carried out according to the control command; if the information is irrelevant to the sub-network, filtering out the received information without any operation;
in this embodiment, the inbound control channel of the centralized control center 1 of satellite resources is realized by mixing two systems, namely FDMA frequency division multiple access and MF-TDMA multiple frequency time division multiple access, if the communication timeliness of the centralized control center 1 of satellite resources and the VSAT subnet central station 3 is required to be high, the information amount is large and continuous and stable requirements are required, the FDMA system is adopted for returning, and the centralized control center 1 of resources allocates channel resources with fixed frequency points and fixed bandwidth to the VSAT subnet central station 3 to be used as a return channel; if the requirement on the communication timeliness of the resource centralized control center 1 and the VSAT subnet central station 3 is not high and the amount of returned information is not large, the VSAT subnet adopts a TDMA system to return, a plurality of VSAT subnet central stations 3 share one or more mirror-in control channels, the transmission is started in a preset time slot, the returned information is sent to the resource centralized control center 1 through the transmitted mirror-in carrier, and the transmitted mirror-in control channel resources are closed to be released to be returned and used to other VSAT subnet central stations 3 after the return is completed.
The preferred primary network control channel module 51 has the main functions of: the design is mainly responsible for receiving and sending control information of the whole resource unified scheduling system, is a core module of whole network communication, is realized by adopting a mode of 'one-sending-three-receiving' of a control center and 'two-sending-one-receiving' of a subnet central station, and actually, the function of a whole network control channel module 51 can also be considered according to specific conditions.
The preferred network-wide network management module 52 mainly functions to include: the design is responsible for unified scheduling and allocation of the whole satellite resource, and simultaneously, real-time monitoring of the running state of the whole network is realized, so that the system is a core module of a resource unified scheduling system, and actually, the function of the whole network management module 52 can be considered according to specific conditions.
The preferred site status monitoring module 7 mainly functions including: the design mainly takes charge of monitoring and managing the equipment in the central station for centralized control of satellite resources, receiving instructions of a network management module to complete control of working parameters of the equipment in the central station and access processing of IP services in the station to a satellite transmission system, and actually, the function of the station state monitoring module 7 can be considered according to specific conditions.
The preferred situation presentation module 53 includes the main functions of: the design shows the running situations of the satellite, the network system and the earth station in real time, can rapidly provide an alarm when abnormal conditions such as full network blocking, earth station offline and the like occur, and provides a primary fault reason; carrying out global and comprehensive data statistical analysis; situation presentation of important safeguard tasks, and the like, in practice, the function of the situation presentation module 53 may also be considered according to the specific situation.
The preferred spectrum monitoring and anti-interference module 54 includes the following primary functions: the design can help the personnel on duty to master the use distribution condition and the utilization ratio of frequency resources in real time and discover abnormal interference conditions in time by controlling the frequency spectrum analyzer to perform uninterrupted automatic monitoring on satellite signal carriers and recording and analyzing parameters such as carrier-to-noise ratio, signal power and the like of specific carrier signals, can provide a signal carrier analysis report and discover faults and hidden dangers existing in radio frequency equipment and space sections in time, can perform automatic interference effective treatment and fault equipment switching operation through a linkage treatment module in an automatic mode, improve the reliability of the system, expand the functions of the frequency spectrograph, enhance the automatic monitoring capability of the instrument, have the capability of sound and image synchronous alarming, and send out sound and light alarming for various abnormal conditions monitored by the system, the alarm time, alarm state and alarm time spectrogram are recorded in data files, so that a powerful graphical basis is provided for interference searching and reason analysis, each recorded data file is visual and clear, each record can be vividly and visually reproduced on an interface of the software, the time, reason, process, result, property and the like of interference occurrence can be known in time through the reproduced spectrogram, a favorable basis is provided for rapidly and accurately eliminating interference, processing signal abnormity, equipment abnormity and the like, the data of the network management system is automatically compared, an interference signal is found to timely inform the network management system of avoiding an inferior channel during channel distribution, meanwhile, an anti-interference measure is taken for the illegal signal, and actually, the function of the frequency spectrum monitoring and anti-interference module 54 can be considered according to specific conditions.
The main functions of the preferred machine room moving ring monitoring module 8 include: UPS monitoring, on-off state monitoring, distribution parameter monitoring, precision air conditioner monitoring, humiture monitoring, the monitoring and the video monitoring of leaking, such design can be to the current smart machine of communication computer lab, high low voltage distribution equipment, storage battery, air conditioner and environment, the image, the sound is monitored, accomplish the communication and the transmission function of controlled end control data simultaneously, with various different function subsystem environment, power, under seamless integration to a unified monitor platform such as distribution and video, very big use and management that has made things convenient for the user. The system adopts the browser to access, the use complexity of a user is simplified, the system can be skillfully used without special training as long as the user can surf the internet, and actually, the function of the machine room moving-ring monitoring module 8 can be considered according to specific conditions. The preferred subnet control channel module 61 has the main functions of: and the control center controls the channel and the local network control channel. The control channel of the control center comprises: the design of receiving center signaling, uploading the state of the local network, receiving a control command, returning a command response, uploading a resource application and receiving an application response mainly realizes data information transmission interaction with a control center, and the channel is realized by adopting a mode of 'three-sending and three-receiving' of the control center and 'two-sending and one-receiving' of a subnet central station; the control channel of the local network comprises: the design of local network signaling issuing, remote station state returning, active command issuing, response receiving returning, small station request receiving and response issuing mainly realizes the receiving and sending of control information in the sub-network and is a core module of sub-network communication. Similar to the control channel of the control center, the subnet control channel is realized by adopting a mode of 'one-transmitting three-receiving' of a subnet central station 'two-transmitting one-receiving' of a subnet remote station. In practice, the function of the subnet control channel module 61 can also be considered as the case may be.
The preferred subnet network management module 62 mainly functions include basic information maintenance, topology management, configuration management, frequency band resource management, alarm management, task management, hierarchical authority management, log management and other network system device interface reservation, and such design is responsible for scheduling and allocating satellite communication resources among all remote stations, a subnet central station and remote stations in the VSAT subnet, and simultaneously monitoring the operating status of all stations in the VSAT subnet in real time, and actually, the function of the subnet network management module 62 can also be considered according to specific situations.
The preferred duty maintenance module 9 has the main functions of: the design of duty management, work order management and information release guarantees the organization and management of system value maintenance personnel and daily work, guarantees the normal operation of the whole system, and actually, the function of the duty maintenance module 9 can be considered according to specific conditions.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A VSAT satellite communication resource uniform distribution system comprises a satellite transponder (2), a satellite resource centralized control center (1) and a plurality of sub-networks (4), wherein the sub-networks (4) comprise a VSAT sub-network central station (3) and a VSAT sub-network remote station (31), and the VSAT satellite communication resource uniform distribution system is characterized in that: the satellite resource centralized control center (1) is communicated with each subnet (4) through radio carrier signals received and forwarded by the satellite transponder (2);
the satellite resource centralized control center (1) adopts a TDM system as an outbound control channel, and adopts a mixed implementation of FDMA and MF-TDMA systems as an inbound control channel;
the outbound control channel between the VSAT subnet central station (3) and the remote stations in each subnet (4) adopts TDM system, the inbound control channel adopts TDMA system, the service channel adopts SCPC system;
resource unified scheduling system software (5) is installed in the satellite resource centralized control center (1), and subnet network management system software (6) is installed in the VSAT subnet central station (3);
the resource uniform scheduling system software (5) comprises a main network control channel module (51), a whole network management module (52), a situation presentation module (53), a frequency spectrum monitoring and anti-interference module (54) and a charging management module (55);
the subnet network management system software (6) comprises a subnet control channel module (61) and a subnet network management module (62);
the resource uniform scheduling system software (5) and the subnet network management system software (6) both comprise a station state monitoring module (7), a machine room dynamic ring monitoring module (8) and a duty maintenance module (9).
2. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the main network control channel module (51) has the main functions of: the method comprises the following steps of central signaling issuing, subnet state returning, active command issuing, response receiving returning, subnet request receiving and response requesting issuing.
3. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the network-wide network management module (52) mainly comprises the following functions: the method comprises the following steps of resource basic data management, subnet network access configuration management, running state presentation, resource dynamic allocation, network resource alarm, personnel authority configuration and log management.
4. The system of claim 1 wherein the VSAT satellite communication resource is uniformly distributed by: the station state monitoring module (7) mainly comprises the following functions: device configuration, device monitoring, mission planning, device alarms, and parameter statistics.
5. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the situation presentation module (53) mainly comprises the following functions: the method comprises the following steps of space situation presentation, weather situation presentation, satellite resource situation presentation, communication network situation presentation, state and performance data situation analysis and comprehensive statistical analysis.
6. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the main functions of the spectrum monitoring and anti-interference module (54) comprise: automatic monitoring, recording and analyzing, providing analysis report and acousto-optic alarm.
7. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the main functions of the machine room dynamic ring monitoring module (8) comprise: UPS monitoring, switch state monitoring, power distribution parameter monitoring, precision air conditioner monitoring, temperature and humidity monitoring, water leakage monitoring and video monitoring.
8. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the subnet control channel module (61) has the main functions of: the control channel of the control center comprises a receiving center signaling, a local network state uploading, a control command receiving, a command response returning, a resource application uploading and an application response receiving, and the control channel of the local network comprises a local network signaling issuing, a remote station state returning, an active command issuing, a response receiving returning, a small station request receiving and a request response issuing.
9. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the subnet network management module (62) has the main functions of basic information maintenance, topology management, configuration management, frequency band resource management, alarm management, task management, hierarchical authority management, log management and other networkdevice interface reservation.
10. The VSAT satellite communication resource uniform distribution system of claim 1, wherein: the main functions of the duty maintenance module (9) comprise: duty management, work order management and information release.
Priority Applications (1)
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| CN202210536649.XA CN115001563A (en) | 2022-05-17 | 2022-05-17 | VSAT satellite communication resource uniform distribution system |
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| CN115802388A (en) * | 2023-01-30 | 2023-03-14 | 中国电子科技集团公司第五十四研究所 | Wide area mobile communication system based on MF-TDMA broadband satellite network |
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