CN113852414A - Method for realizing dynamic management of satellite load resources in low-orbit constellation - Google Patents
Method for realizing dynamic management of satellite load resources in low-orbit constellation Download PDFInfo
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- CN113852414A CN113852414A CN202111133770.XA CN202111133770A CN113852414A CN 113852414 A CN113852414 A CN 113852414A CN 202111133770 A CN202111133770 A CN 202111133770A CN 113852414 A CN113852414 A CN 113852414A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000010295 mobile communication Methods 0.000 claims abstract description 14
- 230000011664 signaling Effects 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007726 management method Methods 0.000 abstract description 30
- 238000013461 design Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000013468 resource allocation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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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
- 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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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention discloses a method for realizing dynamic management of satellite load resources in a low earth orbit constellation, and relates to mobile communication protocol flow design, a functional module deployment strategy and a resource management control technology. The problem that the load power on a communication satellite is limited is solved by a functional single board which is used for dynamically opening or closing the satellite load by maintaining call resources, including resource allocation, adjustment and release management. The invention can be applied to a satellite mobile communication system, realizes the dynamic management of satellite communication load based on satellite processing, can effectively reduce the overall power of the satellite load, prolongs the design life of the satellite communication system, and simultaneously ensures the real-time and on-demand user communication of the system.
Description
Technical Field
The invention relates to a method for realizing dynamic management of satellite load resources in a low earth orbit constellation in the field of low earth orbit constellation communication systems, and relates to a satellite mobile communication system effective load management strategy based on-satellite processing. The management of the satellite load can be applied to pre-distribution scenes based on service models, such as exercise guarantee, and dynamic service access scenes, and the satellite load is used with the maximum efficiency.
Background
At present, a great deal of research is carried out on the application aspect of the low-orbit satellite mobile communication system in China, the construction work of the low-orbit satellite mobile communication system is at hand, and a lot of key technologies are in urgent need of breakthrough. Because the satellite is a communication system with limited power, the satellite has important practical significance for reducing the power use of the satellite load, simultaneously ensuring the service communication of users and researching dynamic management of satellite load resources.
Disclosure of Invention
The invention provides a method for realizing dynamic management of satellite load resources in a low-orbit constellation, aiming at solving the problem of limited load power in a satellite mobile communication system based on-board processing. The method not only realizes the dynamic guarantee of the business service request of the user, but also solves the problem of on-satellite load power shortage, and effectively prolongs the design life of the satellite communication system. The scheme mainly adopts a design idea that a ground resource control unit is adopted to manage the opening and closing of a service single board, and a signaling single board controls the deployment of terminal communication resources on the service single board.
The technical scheme adopted by the invention is as follows:
a method for realizing dynamic management of satellite load resources in a low-orbit constellation is realized based on a system composed of a satellite terminal, a satellite-borne base station forming the low-orbit constellation, ground resource management and control and the like; the satellite-borne base station and the ground resource management and control are matched together to complete dynamic management of the satellite load; the method comprises the following steps:
A. deploying software functions of the satellite-borne base station in modules, deploying access control functions in a signaling single board in a centralized manner, and deploying service transmission functions on the signaling single board according to load sharing;
B. when the system is started, the ground resource management and control determines the number of the started service single boards according to a service model planned in advance, controls the satellite-borne base station to start the corresponding service single boards and informs the signaling single boards;
C. in the system operation process, the signaling single board records the service resource utilization rate and the CPU occupancy rate of the opened service single board in real time, responds to the access request of the satellite terminal, configures the communication resource context of the satellite terminal on the corresponding service single board, and reports the operation condition of the service single board to the ground resource management and control;
D. the ground resource management and control dynamically controls the opening and closing of the service single board according to the operation condition of the service single board and the system plan, and informs the judgment result to the signaling single board.
Further, the method also comprises the following steps:
E. and if the service single board which is in service is closed by the ground resource control, the signaling single board is informed, and the signaling single board controls the service of the satellite terminal to be migrated from the service single board to be closed to the service single board which is operated.
Furthermore, the signaling single board processes the control flow of the satellite terminal communication in a centralized manner, and the service single board shares the load to realize data forwarding in the satellite terminal communication.
Compared with the prior art, the invention has the following advantages:
1. in the ground mobile communication system, because the service model can predict, the resource allocation can be planned in advance according to the maximum service volume, and the power consumption are not key design indexes. The satellite communication system based on the satellite processing is a use scene with severely limited power, and the dynamic management resource single board can not only ensure the communication requirement of common users, but also obviously save the power consumption of the satellite load, and can realize the concentrated power to ensure the communication of key users.
2. The invention adopts the mode of respectively deploying the functional modules in the realization, effectively and flexibly meets the application requirements of different use scenes, simplifies the design of the satellite load, and improves the stability and the service life of the system.
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Fig. 1 is a schematic view of an application scenario of the present invention.
Fig. 2 is a schematic diagram of an embodiment of the present invention.
FIG. 3 is a schematic diagram of the present invention.
Detailed Description
In order to realize the invention, the invention provides a low-orbit satellite mobile communication system which comprises a satellite terminal, a satellite-borne base station, ground resource management and control equipment and the like. The satellite-borne base station and the resource management and control jointly realize the function of an access network in the mobile communication system, are connection points between the ground satellite terminal and the ground core network, are equivalent to the base station of the ground mobile communication system, and are responsible for beam and service management of the low-orbit satellite constellation coverage range. The main functions are to manage the user link, the inter-satellite link and the S1 link interface, implement the establishment, maintenance and removal of the satellite terminal call and the communication link, control the inter-satellite and intra-satellite switching of the terminal under the coverage area, and complete the positioning, data transmission, paging and the like of the terminal.
The invention is further described below with reference to fig. 1 and 2.
Fig. 1 is a schematic view of an application scenario of the present invention, and illustrates an implementation scheme of a satellite mobile communication system based on a low-earth constellation. The satellite constellation comprises a plurality of communication satellites carrying satellite-borne base stations S-eNB, UE is responsible for initiating user services, and ground resource management and control are responsible for resource management of the S-eNB. Fig. 3 is a schematic diagram of a composition architecture of the present invention, in which a ground resource management and control are deployed in a ground system, and a satellite-borne base station is deployed with a plurality of service boards and a signaling board.
Fig. 2 is a schematic diagram of an embodiment of the present invention. The whole process of dynamic resource deployment in service communication of the satellite terminal is mainly illustrated. The main idea is as follows:
1. and (5) initializing and configuring the system. The ground resource management and control provides a human-computer interaction interface, and system maintenance personnel can configure the service number of the service single boards of the satellite-borne base station according to the service model and indicate the signaling single board, the service single board 1 and the service single board 2 to provide services.
2. The satellite terminal is accessed from the signaling single board, the signaling single board inquires the current operation state of the service single board, terminal communication resources are distributed and deployed on the service single board 2, and the terminal performs data transmission through the satellite system.
3. During the operation of the system, due to the dynamic change of the services of the constellation, the ground resource management and control system judges to close the service single board 2, and informs the result to the signaling single board.
4. The signaling single board indicates that the communication resource of the satellite terminal is transferred from the service single board 2 to the service single board 1, and the communication resource continues to provide data transmission.
5. The data service of the satellite terminal is switched to the service single board 1 in an imperceptible mode, and the service single board 2 is powered off, so that the power consumption on the satellite is saved.
The method specifically comprises the following steps:
A. deploying software functions of the satellite-borne base station in modules, deploying access control functions in a signaling single board in a centralized manner, and deploying service transmission functions on the signaling single board according to load sharing;
B. when the system is started, the ground resource management and control determines the number of the started service single boards according to a service model planned in advance, controls the satellite-borne base station to start the corresponding service single boards and informs the signaling single boards;
C. in the system operation process, the signaling single board records the service resource utilization rate and the CPU occupancy rate of the opened service single board in real time, responds to the access request of the satellite terminal, configures the communication resource context of the satellite terminal on the corresponding service single board, and reports the operation condition of the service single board to the ground resource management and control;
D. the ground resource management and control dynamically controls the opening and closing of the service single board according to the operation condition of the service single board and the system plan, and informs the judgment result to the signaling single board;
E. and if the service single board which is in service is closed by the ground resource control, the signaling single board is informed, and the signaling single board controls the service of the satellite terminal to be migrated from the service single board to be closed to the service single board which is operated.
The embodiments of the invention originally create a dynamic satellite load resource management method based on satellite processing, and the embodiments are used for low-orbit satellite mobile communication, thereby not only ensuring the communication requirements of common users, but also obviously saving the power consumption of satellite loads, simplifying the system design and prolonging the service life of the system.
Those of ordinary skill in the art will understand that: a method for dynamically managing satellite payload resources in a satellite mobile communications system may be implemented by hardware or software associated with program instructions that, when executed, perform steps comprising the above-described method embodiments.
Claims (3)
1. A method for realizing dynamic management of satellite load resources in a low earth orbit constellation is realized based on a satellite mobile communication system consisting of a satellite terminal, a satellite-borne base station forming the low earth orbit constellation and ground resource management and control; the method is characterized by comprising the following steps:
A. deploying software functions of the satellite-borne base station in modules, deploying access control functions in a signaling single board in a centralized manner, and deploying service transmission functions on the signaling single board according to load sharing;
B. when the system is started, the ground resource management and control determines the number of the started service single boards according to a service model planned in advance, controls the satellite-borne base station to start the corresponding service single boards and informs the signaling single boards;
C. in the system operation process, the signaling single board records the service resource utilization rate and the CPU occupancy rate of the opened service single board in real time, responds to the access request of the satellite terminal, configures the communication resource context of the satellite terminal on the corresponding service single board, and reports the operation condition of the service single board to the ground resource management and control;
D. the ground resource management and control dynamically controls the opening and closing of the service single board according to the operation condition of the service single board and the system plan, and informs the judgment result to the signaling single board.
2. The method of claim 1, further comprising the following steps:
E. and if the service single board which is in service is closed by the ground resource control, the signaling single board is informed, and the signaling single board controls the service of the satellite terminal to be migrated from the service single board to be closed to the service single board which is operated.
3. The method according to claim 1, wherein the signaling board centrally processes a control procedure of the satellite terminal communication, and the service board shares a load to implement data forwarding in the satellite terminal communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133770.XA CN113852414B (en) | 2021-09-27 | Method for realizing dynamic management of satellite load resources in low-orbit constellation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133770.XA CN113852414B (en) | 2021-09-27 | Method for realizing dynamic management of satellite load resources in low-orbit constellation |
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| Publication Number | Publication Date |
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| CN113852414A true CN113852414A (en) | 2021-12-28 |
| CN113852414B CN113852414B (en) | 2024-09-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6091933A (en) * | 1997-01-03 | 2000-07-18 | Globalstar L.P. | Multiple satellite system power allocation by communication link optimization |
| CN102427380A (en) * | 2011-07-25 | 2012-04-25 | 成都林海电子有限责任公司 | Mobile satellite communication ground station system |
| WO2017198156A1 (en) * | 2016-05-18 | 2017-11-23 | 中兴通讯股份有限公司 | Service deployment method, apparatus and system |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6091933A (en) * | 1997-01-03 | 2000-07-18 | Globalstar L.P. | Multiple satellite system power allocation by communication link optimization |
| CN102427380A (en) * | 2011-07-25 | 2012-04-25 | 成都林海电子有限责任公司 | Mobile satellite communication ground station system |
| WO2017198156A1 (en) * | 2016-05-18 | 2017-11-23 | 中兴通讯股份有限公司 | Service deployment method, apparatus and system |
Non-Patent Citations (1)
| Title |
|---|
| 祝婵婵 等: "卫星移动通信系统无线接入网模拟实现", 无线电通信技术, no. 06, 18 November 2017 (2017-11-18) * |
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