CN-121462067-B - Method and device for establishing satellite-ground link, storage medium and electronic device

CN121462067BCN 121462067 BCN121462067 BCN 121462067BCN-121462067-B

Abstract

The embodiment of the invention provides a method and a device for establishing a satellite-ground link, a storage medium and an electronic device, wherein the method comprises the steps of determining first satellites which can be observed by a gateway station in a target period, satellite types of the first satellites and satellite weights of each first satellite, wherein the target period is a period for establishing the satellite-ground link with the first satellites, determining a link establishment strategy and constraint conditions which are followed by the gateway station and the first satellites for establishing the satellite-ground link, determining a first number of target satellites in second satellites under each satellite type based on the satellite weights, the link establishment strategy and the constraint conditions, and controlling the gateway station and the target satellites to establish the satellite-ground link. The invention solves the problem that the satellite-ground link establishment cannot utilize the ground resources to the maximum extent, and further achieves the effect of utilizing the ground resources to the maximum extent.

Inventors

WANG JIAO
LOU LE
SUN SHUXIAN
QIN LIN
WU ZHONGYING
CAO LU

Assignees

中国星网网络创新研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20260105

Claims (10)

1. A method for establishing a satellite-to-ground link, comprising: Determining a first satellite which can be observed by a gateway station in a target period, the satellite type of the first satellite and the satellite weight of each first satellite, wherein the target period is a period for establishing a satellite-to-ground link with the first satellite; determining a link establishment strategy and constraint conditions which are followed by the gateway station and the first satellite to establish the satellite-to-ground link; Determining a first number of target satellites in the second satellites under each satellite type based on the satellite weights, the link construction strategy and the constraint conditions; controlling the gateway station to establish the satellite-to-ground link with the target satellite; Determining a first number of target satellites in a second satellite under each satellite type based on the satellite weights, the link construction strategies and the constraints comprises determining the first number based on the satellite weights and the constraints, determining the target satellites based on the link construction strategies, determining the first number based on the satellite weights and the constraints comprises determining a second number of satellites to which the gateway station can connect based on the constraints, repeatedly performing a target operation to obtain a plurality of target reference values, wherein the target operation comprises assigning a third number to the second satellite under each satellite type, wherein a sum value of the third number corresponding to all satellite types determines the second number, determining a reference value based on the satellite weights and the third number of the second satellite under the satellite type to obtain a plurality of reference values, repeatedly performing a plurality of target reference values to obtain a plurality of reference values, wherein the reference value is determined to be the largest in the reference values, and determining the reference value is determined to be the largest in the reference values.
2. The method of claim 1, wherein determining the reference value based on the satellite weight and a third number of the second satellites for each of the satellite types comprises: Determining products of the satellite weights and the third quantity to obtain a plurality of first products; A sum of a plurality of the first products is determined as the reference value.
3. The method of claim 1, wherein determining the target satellite based on the linking strategy comprises: under the condition that the link establishment strategy is a maximum arc length principle, determining a first communication duration of the second satellite and the gateway station under each satellite type; and determining the satellite corresponding to the largest first number of second communication duration included in the first communication duration as the target satellite.
4. The method of claim 1, wherein determining the target satellite based on the linking strategy comprises: under the condition that the link establishment strategy is a fairness principle, determining a first number of times that each second satellite and the gateway station have established the satellite-to-ground link; And determining the second satellite corresponding to the second number of times of the least first number included in the first number as the target satellite.
5. The method of claim 1, wherein determining the target satellite based on the linking strategy comprises: under the condition that the link establishment strategy is a priority principle, determining the target priority of each second satellite; and determining the second satellite corresponding to the highest first number of priorities included in the target priority as the target satellite.
6. The method of claim 1, wherein determining a first satellite that is observable by the gateway station during the target period comprises: Determining satellite point information of satellites in the target period; determining the observation range of the gateway station in the target period; The first satellite is determined based on the understar information and the observation range.
7. An apparatus for establishing a satellite-to-ground link, comprising a first memory, a first processor, and a first computer program stored on the first memory and executable on the first processor, the first processor implementing the following operations when executing the first computer program: Determining a first satellite which can be observed by a gateway station in a target period, the satellite type of the first satellite and the satellite weight of each first satellite, wherein the target period is a period for establishing a satellite-to-ground link with the first satellite; determining a link establishment strategy and constraint conditions which are followed by the gateway station and the first satellite to establish the satellite-to-ground link; Determining a first number of target satellites in the second satellites under each satellite type based on the satellite weights, the link construction strategy and the constraint conditions; controlling the gateway station to establish the satellite-to-ground link with the target satellite; Determining a first number of target satellites in a second satellite under each satellite type based on the satellite weights, the link construction strategies and the constraints comprises determining the first number based on the satellite weights and the constraints, determining the target satellites based on the link construction strategies, determining the first number based on the satellite weights and the constraints comprises determining a second number of satellites to which the gateway station can connect based on the constraints, repeatedly performing a target operation to obtain a plurality of target reference values, wherein the target operation comprises assigning a third number to the second satellite under each satellite type, wherein a sum value of the third number corresponding to all satellite types determines the second number, determining a reference value based on the satellite weights and the third number of the second satellite under the satellite type to obtain a plurality of reference values, repeatedly performing a plurality of target reference values to obtain a plurality of reference values, wherein the reference value is determined to be the largest in the reference values, and determining the reference value is determined to be the largest in the reference values.
8. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a computer program, wherein the computer program is arranged to execute the method of any of the claims 1 to 6 when run.
9. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of any of the claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the method of any one of claims 1 to 6.

Description

Method and device for establishing satellite-ground link, storage medium and electronic device Technical Field The embodiment of the invention relates to the field of communication, in particular to a method and a device for establishing a satellite-ground link, a storage medium and an electronic device. Background In the related art, the conventional satellite-ground station link establishment method cannot maximally utilize limited ground resources under the condition that the ground resources are not aligned with the number of satellites, and cannot achieve the satellite-ground link establishment task target according to needs. Therefore, the related art has the technical problem that satellite-ground link establishment cannot maximally utilize ground resources. In view of the above problems in the related art, no effective solution has been proposed at present. Disclosure of Invention The embodiment of the invention provides a method and a device for establishing a satellite-to-ground link, a storage medium and an electronic device, which are used for at least solving the problem that the satellite-to-ground link cannot be established to the maximum extent by using ground resources in the related technology. According to one embodiment of the invention, a method for establishing a satellite-to-earth link is provided, which comprises the steps of determining a first satellite which can be observed by a gateway station in a target period, a satellite type of the first satellite and satellite weight of each first satellite, wherein the target period is a period for establishing the satellite-to-earth link with the first satellite, determining a link establishment strategy and constraint conditions which are followed by the gateway station for establishing the satellite-to-earth link with the first satellite, determining a first number of target satellites in second satellites under each satellite type based on the satellite weight, the link establishment strategy and the constraint conditions, and controlling the gateway station to establish the satellite-to-earth link with the target satellites. In one exemplary embodiment, determining a first number of target satellites among the second satellites under each of the satellite types based on the satellite weights, the linking policies, and the constraints includes determining the first number based on the satellite weights and the constraints, and determining the target satellites based on the linking policies. In an exemplary embodiment, determining the first number based on the satellite weights and the constraints comprises determining a second number of satellites to which the gateway station can connect based on the constraints, repeatedly performing a targeting operation to obtain a plurality of targeting reference values, wherein the targeting operation comprises assigning a third number to the second satellite under each satellite type, wherein a sum of the third numbers for all the satellite types determines the second number, determining a reference value based on the satellite weights for the second satellite under the satellite type and the third number to obtain a plurality of the reference values, determining a sum of the plurality of the reference values as a targeting reference value, wherein the third number is a non-fixed number during repeated execution of the targeting operation, determining a maximum reference value included in the plurality of targeting reference values, and determining the third number corresponding to the maximum reference value as the first number. In an exemplary embodiment, determining the reference value based on the satellite weight and a third number of the second satellites for each of the satellite types includes determining products of the satellite weights and the third number resulting in a plurality of first products, and determining a sum of the plurality of first products as the reference value. In one exemplary embodiment, determining the target satellite based on the link establishment policy includes determining a first communication duration of the second satellite and the gateway station for each of the satellite types, and determining a satellite corresponding to the first number of second communication durations that is the largest of the first communication durations as the target satellite, where the link establishment policy is a maximum arc length principle. In one exemplary embodiment, determining the target satellite based on the linking policy includes determining a first number of times each of the second satellites has established the satellite-to-ground link with the gateway station, and determining the second satellite corresponding to a minimum of the first number of second times included in the first number as the target satellite, if the linking policy is a fairness principle. In an exemplary embodiment, determining the target satellite based on the linking policy includes determin