CN108566242A - A kind of Information Network resource scheduling system for remote sensing data transmission business - Google Patents
A kind of Information Network resource scheduling system for remote sensing data transmission business Download PDFInfo
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
Abstract
The present invention provides a kind of Information Network resource scheduling systems for remote sensing data transmission business, including network resource scheduling module, first data transmission module, the second data transmission module and Internet resources to compete module.Beneficial effects of the present invention are：A kind of Information Network resource scheduling system for remote sensing data transmission business is provided, can be according to remote sensing data transmission business the characteristics of, real-time high-efficiency distributes Internet resources, while taking into account task completion rate, user fairness and network resource utilization.
Description
Technical field
The present invention relates to information technology fields, more particularly to the Information Network money for remote sensing data transmission business
Source distribution mechanism.
Background technology
Information Network refers to will be by different fields, not co-orbital satellites such as remote sensing, navigation, meteorology, communication investigations
The satellite network of composition is combined with ground target, constitutes Incorporate network, obtains, transmits and handle hot spot letter in real time
Breath.Remote sensing data transmission Internet resources in Information Network are very limited, to reach " real-time Transmission and processing hot spot
The target of information ", it would be desirable to which a set of Internet resources distribution mechanism effectively and rationally distributes Internet resources, to as fast as possible
Data are delivered in user hand by ground, are completed at the same time data transfer task as much as possible, service user as much as possible.
Currently, being directed to remote sensing data transmission problem proposes some solutions.A kind of solution is to use one
As heuritic approach.The core concept of general heuritic approach is using the effective information of Optimized model as according to feasible to carry out
The search of solution, using heuristic function come express with the relevant specific knowledge of optimization problem, to constantly approaching optimal solution.Generally open
Hairdo algorithm carries out the search of solution space according to heuristic information, and efficiency is very high in small-scale optimization problem, but with
It optimization problem parameter to be on the increase, parameter dimensions constantly increase, and general heuritic approach is easily trapped into local solution.Another kind of solution
Certainly scheme is to use intelligent optimization algorithm, and intelligent optimization algorithm is a kind of optimization formed by the certain processes of simulation nature
Derivation algorithm, such as genetic algorithm, simulated annealing, artificial bee colony algorithm etc..There is scholar to turn network resource scheduling problem
The last sequencing problem for turning to general expression, then solves the problems, such as this with common optimization algorithm.But this solution
It is computationally intensive, and the data transfer request largely to happen suddenly can not be coped with, Internet resources can not be distributed in real time.
Under Information Network environment, compared with conventional network system, the service that Information Network is provided has
The features such as typical correlation, periodical, sudden and sparsity, remote sensing data transmission service source also show as high dynamic and
Time-space relationship complexity.The existing Internet resources distribution mechanism for remote sensing data transmission business can not adapt to very
Telemetry Service scene can not accomplish to distribute Internet resources in real time, while take into account task completion rate, user fairness and Internet resources
Utilization rate.
Invention content
In view of the above-mentioned problems, the present invention is intended to provide a kind of Information Network resource for remote sensing data transmission business
Scheduling system.
The purpose of the present invention is realized using following technical scheme：
The technology of the present invention is provided to solve the problems, such as：Overcome above-mentioned the deficiencies in the prior art, provides a kind of for remotely-sensed data
The Information Network resource scheduling system of transmission services, can be according to remote sensing data transmission business the characteristics of, real-time high-efficiency point
Distribution network resource, while taking into account task completion rate, user fairness and network resource utilization.
The technology of the present invention solution：A kind of Information Network scheduling of resource system for remote sensing data transmission business
System, including network resource scheduling module, first data transmission module, the second data transmission module and Internet resources compete module,
Wherein：
The network resource scheduling module is for determining network resource scheduling strategy and mechanism, specially：From remote sensing satellite
Operating mechanism and remote sensing data transmission service feature set out, determine target, the planned network scheduling of resource of network resource scheduling
Strategy and scheduling mechanism；
The first data transmission module is for determining data transfer task, specially：The number proposed according to remote sensing satellite
It is asked according to transmission, the data transfer task assumed for the planning of Information Network node；It inputs the rail for all remote sensing satellites
Road parameter, the beamwidth of antenna, the buffering queue of star epigraph data, on star data transfer task buffering queue, it is all to be
The orbit information of the Information Network node of remote sensing satellite offer network insertion service, antenna amount, the beamwidth of antenna, data pass
Defeated task queue exports the set of the data transfer task for hypothesis；
Second data transmission module is for determining data transfer task priority, specially：Appointed according to data transmission
Design parameter in business calculates the priority of data transfer task, by handling capacity impact factor, service quality impact factor, band
Three impact factors of wide utilization rate impact factor grade as priority；It inputs the beginning and ending time for data transfer task, remote sensing
The data transfer task queue of satellite, the data transfer task queue of Information Network node, output is with priority
Data transfer task set；
The Internet resources competition module is used to determine the Internet resources of data transfer task, specially：It is passed according to data
The priority parameters of defeated task make all data transfer tasks compete limited data transmission network resource according to certain rule；
It inputs set, the set of Information Network antenna resources of the data transfer task to assume, and output is effective number
According to the set of transformation task, i.e., network resource scheduling mechanism generates in epicycle scheduling process effective data transfer task
Set.
Optionally, network resource scheduling strategy and mechanism are implemented as follows：
(1) network resource scheduling target：Preferential maximization network handling capacity, it is minimum on the basis for ensureing handling capacity
Change data down transmission time delay, the data down transmission time delay is spent from by remote sensing satellite generation to reaching ground station terminal by under for image
The time taken, while ensureing user fairness, make all remote sensing satellites that can liberally obtain remote sensing data transmission network money
Source；
(2) network resource scheduling strategy：In a data transmission procedure, data as much as possible are transmitted, to maximize
Efficient network resource usage；The waste of Internet resources caused by data transfer task is fewer, the data transfer task it is preferential
Grade is higher；The time that remotely-sensed data is detained on remote sensing satellite is longer, the data transfer request which sends out it is preferential
Grade is higher；The remotely-sensed data being detained on remote sensing satellite is more, and the priority for the task requests which sends out is higher；
(3) the overall operation process of network resource scheduling mechanism：Remote sensing satellite is according to the feelings of the remotely-sensed data buffered on star
Condition, periodically transmission data transmission request；Periodically plan one group of remote sensing data transmission task in network resource management center；
It is legal that scheduling system, which assumes initially that all request of data all, and the high speed antenna of all backbone stars can respond these numbers
It is asked according to transmission, first data transmission module is that the data transmission of a hypothesis is generated per a pair of of backbone star antenna-remote sensing satellite
Thus task obtains the set of a data transfer task of a hypothesis；Scheduling system is further according to the second data transmission module
It calculates with the priority of the data transfer task in upper set；Finally, the data transfer task in the set is provided according to network
The mode that source competition module determines competes limited antenna resources, finally obtains the data transfer task of a combined method, scheduling system
These data transfer tasks are assigned to corresponding remote sensing satellite and backbone satellite by system.
Optionally, the determining data transfer task is implemented as follows：
(1) by orbit information, next SEE time window of backbone star and remote sensing satellite is obtained；
(2) by backbone star antenna task queue, next serviceable time of backbone star antenna is obtained；
(3) by remote sensing satellite antenna task queue, next SEE time window of remote sensing satellite antenna is obtained；
(4) pass through the SEE time window in above (2) (3), obtain the next time available of backbone star and remote sensing satellite
Data transmission period window；
(5) it calculates and needs to transmit in the data volume and remote sensing satellite that available data transmission period window can transmit next time
Data volume, minimum value both is taken, as the data volume that will be transmitted；
(6) data transfer task of a hypothesis is obtained according to (5), information includes the beginning and ending time, the picture number that passes down
According to the size with image data.
Optionally, the determining data transfer task priority is implemented as follows：
(1) handling capacity impact factor：The percentage that the data volume that data transfer task carries accounts for total amount is calculated, then by it
It is multiplied by the quantity of data transfer request, obtains handling capacity impact factor；
(2) service quality impact factor：The image data unit carried in data transfer task is calculated on remote sensing satellite
The ratio of weighted average stand-by period and remote sensing satellite orbital period obtain Service Quality as the exponential term of natural number
Measure impact factor；
(3) bandwidth availability ratio impact factor：It is next to starting in the upper data transfer task of end to calculate backbone star
Then stand-by period between transformation task takes logarithm to it, obtains bandwidth by the remote sensing satellite orbital period than the upper stand-by period
Utilization rate impact factor；
(4) impact factor in (1) (2) (3) is multiplied, obtains the priority of the data transfer task.
Optionally, the Internet resources of the determining data transfer task are implemented as follows：
(1) it is all one Priority Queues of backbone star antenna assignment, by what is obtained in data transfer task generation algorithm
Data transfer task in data transfer task set is assigned to each queue according to its corresponding antenna, by the number in queue
It sorts according to task priority backward according to transformation task；
(2) set of a legal data transfer task is created, and by first number in each priority query
It is included in set according to transformation task；
(3) if there are multiple data transfer tasks for the planning of same remote sensing satellite in set, only retain highest priority
That, while a data transfer task is taken out from the deleted corresponding Priority Queues of data transfer task, set is added；
(4) (3) are repeated, until all Priority Queues are all sky, finally the data transfer task in set, as legal
Data transfer task.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of the present invention；
Reference numeral：
Network resource scheduling module 1, first data transmission module 2, the second data transmission module 3, Internet resources compete mould
Block 4.
Specific implementation mode
The invention will be further described with the following Examples.
It will the present invention is described in further detail in conjunction with the accompanying drawings and embodiments referring to Fig. 1, below the present embodiment.It is logical
Crossing description detailed enough, these implement example so that skilled artisans appreciate that and the practice present invention.It is not departing from
In the case of the spirit and scope of the invention, logic, realize and others change can be made to implementation.Therefore, below
Detailed description is not taken in a limiting sense, and the scope of the present invention is only defined solely by the appended claims.
A kind of Information Network resource scheduling system for remote sensing data transmission business of the invention, including Internet resources
Scheduler module 1, first data transmission module 2, the second data transmission module 3 and Internet resources compete module 4, wherein：
The network resource scheduling module 1 is for determining network resource scheduling strategy and mechanism, specially：From remote sensing satellite
Operating mechanism and remote sensing data transmission service feature set out, determine target, the planned network scheduling of resource of network resource scheduling
Strategy and scheduling mechanism；
The first data transmission module 2 is for determining data transfer task, specially：The number proposed according to remote sensing satellite
It is asked according to transmission, the data transfer task assumed for the planning of Information Network node；It inputs the rail for all remote sensing satellites
Road parameter, the beamwidth of antenna, the buffering queue of star epigraph data, on star data transfer task buffering queue, it is all to be
The orbit information of the Information Network node of remote sensing satellite offer network insertion service, antenna amount, the beamwidth of antenna, data pass
Defeated task queue exports the set of the data transfer task for hypothesis；
Second data transmission module 3 is for determining data transfer task priority, specially：Appointed according to data transmission
Design parameter in business calculates the priority of data transfer task, by handling capacity impact factor, service quality impact factor, band
Three impact factors of wide utilization rate impact factor grade as priority；It inputs the beginning and ending time for data transfer task, remote sensing
The data transfer task queue of satellite, the data transfer task queue of Information Network node, output is with priority
Data transfer task set；
The Internet resources competition module 4 is used to determine the Internet resources of data transfer task, specially：It is passed according to data
The priority parameters of defeated task make all data transfer tasks compete limited data transmission network resource according to certain rule；
It inputs set, the set of Information Network antenna resources of the data transfer task to assume, and output is effective number
According to the set of transformation task, i.e., network resource scheduling mechanism generates in epicycle scheduling process effective data transfer task
Set.
The present embodiment provides a kind of Information Network resource scheduling system for remote sensing data transmission business, Neng Gougen
The characteristics of according to remote sensing data transmission business, real-time high-efficiency distribute Internet resources, while take into account task completion rate, user fairness and
Network resource utilization.
Preferably, network resource scheduling strategy and mechanism are implemented as follows：
(1) network resource scheduling target：Preferential maximization network handling capacity, it is minimum on the basis for ensureing handling capacity
Change data down transmission time delay, the data down transmission time delay is spent from by remote sensing satellite generation to reaching ground station terminal by under for image
The time taken, while ensureing user fairness, make all remote sensing satellites that can liberally obtain remote sensing data transmission network money
Source；
(2) network resource scheduling strategy：In a data transmission procedure, data as much as possible are transmitted, to maximize
Efficient network resource usage；The waste of Internet resources caused by data transfer task is fewer, the data transfer task it is preferential
Grade is higher；The time that remotely-sensed data is detained on remote sensing satellite is longer, the data transfer request which sends out it is preferential
Grade is higher；The remotely-sensed data being detained on remote sensing satellite is more, and the priority for the task requests which sends out is higher；
(3) the overall operation process of network resource scheduling mechanism：Remote sensing satellite is according to the feelings of the remotely-sensed data buffered on star
Condition, periodically transmission data transmission request；Periodically plan one group of remote sensing data transmission task in network resource management center；
It is legal that scheduling system, which assumes initially that all request of data all, and the high speed antenna of all backbone stars can respond these numbers
It is asked according to transmission, first data transmission module 2 is that the data transmission of a hypothesis is generated per a pair of of backbone star antenna-remote sensing satellite
Thus task obtains the set of a data transfer task of a hypothesis；Scheduling system is further according to the second data transmission module 3
It calculates with the priority of the data transfer task in upper set；Finally, the data transfer task in the set is provided according to network
The mode that source competition module 4 determines competes limited antenna resources, finally obtains the data transfer task of a combined method, scheduling system
These data transfer tasks are assigned to corresponding remote sensing satellite and backbone satellite by system.
Preferably, the determining data transfer task is implemented as follows：
(1) by orbit information, next SEE time window of backbone star and remote sensing satellite is obtained；
(2) by backbone star antenna task queue, next serviceable time of backbone star antenna is obtained；
(3) by remote sensing satellite antenna task queue, next SEE time window of remote sensing satellite antenna is obtained；
(4) pass through the SEE time window in above (2) (3), obtain the next time available of backbone star and remote sensing satellite
Data transmission period window；
(5) it calculates and needs to transmit in the data volume and remote sensing satellite that available data transmission period window can transmit next time
Data volume, minimum value both is taken, as the data volume that will be transmitted；
(6) data transfer task of a hypothesis is obtained according to (5), information includes the beginning and ending time, the picture number that passes down
According to the size with image data.
Preferably, the determining data transfer task priority is implemented as follows：
(1) handling capacity impact factor：The percentage that the data volume that data transfer task carries accounts for total amount is calculated, then by it
It is multiplied by the quantity of data transfer request, obtains handling capacity impact factor；
(2) service quality impact factor：The image data unit carried in data transfer task is calculated on remote sensing satellite
The ratio of weighted average stand-by period and remote sensing satellite orbital period obtain Service Quality as the exponential term of natural number
Measure impact factor；
(3) bandwidth availability ratio impact factor：It is next to starting in the upper data transfer task of end to calculate backbone star
Then stand-by period between transformation task takes logarithm to it, obtains bandwidth by the remote sensing satellite orbital period than the upper stand-by period
Utilization rate impact factor；
(4) impact factor in (1) (2) (3) is multiplied, obtains the priority of the data transfer task.
Preferably, the Internet resources of the determining data transfer task are implemented as follows：
(1) it is all one Priority Queues of backbone star antenna assignment, by what is obtained in data transfer task generation algorithm
Data transfer task in data transfer task set is assigned to each queue according to its corresponding antenna, by the number in queue
It sorts according to task priority backward according to transformation task；
(2) set of a legal data transfer task is created, and by first number in each priority query
It is included in set according to transformation task；
(3) if there are multiple data transfer tasks for the planning of same remote sensing satellite in set, only retain highest priority
That, while a data transfer task is taken out from the deleted corresponding Priority Queues of data transfer task, set is added；
(4) (3) are repeated, until all Priority Queues are all sky, finally the data transfer task in set, as legal
Data transfer task.
Above example is provided just for the sake of the description purpose of the present invention, and is not intended to limit the scope of the present invention.This
The range of invention is defined by the following claims.It does not depart from spirit and principles of the present invention and the various equivalent replacements made and repaiies
Change, should all cover within the scope of the present invention.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (5)
1. a kind of Information Network resource scheduling system for remote sensing data transmission business, which is characterized in that including network
Scheduling of resource module, first data transmission module, the second data transmission module and Internet resources compete module, wherein：
The network resource scheduling module is for determining network resource scheduling strategy and mechanism, specially：From the fortune of remote sensing satellite
Row mechanism and remote sensing data transmission service feature set out, and determine the target of network resource scheduling, the plan of planned network scheduling of resource
The mechanism omited and dispatched；
The first data transmission module is for determining data transfer task, specially：It is passed according to the data that remote sensing satellite proposes
Defeated request, the data transfer task assumed for the planning of Information Network node；It is inputted joins for the track of all remote sensing satellites
Number, the beamwidth of antenna, the buffering queue of star epigraph data, on star data transfer task buffering queue, all can be remote sensing
The orbit information of the Information Network node of satellite offer network insertion service, antenna amount, the beamwidth of antenna, data transmission are appointed
Business queue, exports the set of the data transfer task for hypothesis；
Second data transmission module is for determining data transfer task priority, specially：According in data transfer task
Design parameter, calculate the priority of data transfer task, by handling capacity impact factor, service quality impact factor, bandwidth profit
With three impact factors of rate impact factor grade as priority；It inputs the beginning and ending time for data transfer task, remote sensing satellite
Data transfer task queue, Information Network node data transfer task queue, output be the number with priority
According to the set of transformation task；
The Internet resources competition module is used to determine the Internet resources of data transfer task, specially：Appointed according to data transmission
The priority parameters of business make all data transfer tasks compete limited data transmission network resource according to certain rule；Its is defeated
Enter the set of the data transfer task for hypothesis, the set of Information Network antenna resources, output is that effective data pass
The collection for the effective data transfer task that the set of defeated task, i.e. network resource scheduling mechanism generate in epicycle scheduling process
It closes.
2. being directed to the Information Network resource scheduling system of remote sensing data transmission business, feature according to claim 1
It is, network resource scheduling strategy and mechanism are implemented as follows：
(1) network resource scheduling target：Preferential maximization network handling capacity minimizes number on the basis for ensureing handling capacity
Pass time delay under, the data down transmission time delay is generated from by remote sensing satellite to reaching what ground station terminal spent by under by image
Time, while ensureing user fairness, make all remote sensing satellites that can liberally obtain remote sensing data transmission Internet resources；
(2) network resource scheduling strategy：In a data transmission procedure, data as much as possible are transmitted, with maximization network
The level of resources utilization；The waste of Internet resources caused by data transfer task is fewer, and the priority of the data transfer task is got over
It is high；The time that remotely-sensed data is detained on remote sensing satellite is longer, and the priority for the data transfer request which sends out is got over
It is high；The remotely-sensed data being detained on remote sensing satellite is more, and the priority for the task requests which sends out is higher；
(3) the overall operation process of network resource scheduling mechanism：The case where remote sensing satellite is according to the remotely-sensed data buffered on star, week
Phase property transmission data transmission request；Periodically plan one group of remote sensing data transmission task in network resource management center；Scheduling
It is legal that system, which assumes initially that all request of data all, and the high speed antenna of all backbone stars can respond these data biography
Defeated request, first data transmission module are that the data transfer task of a hypothesis is generated per a pair of of backbone star antenna-remote sensing satellite,
Thus the set of a data transfer task of a hypothesis is obtained；Scheduling system further according to the second data transmission module calculate with
The priority of data transfer task in upper set；Finally, the data transfer task in the set is competed according to Internet resources
The mode that module determines competes limited antenna resources, finally obtains the data transfer task of a combined method, scheduling system by this
A little data transfer tasks are assigned to corresponding remote sensing satellite and backbone satellite.
3. being directed to the Information Network resource scheduling system of remote sensing data transmission business, feature according to claim 1
It is, the determining data transfer task is implemented as follows：
(1) by orbit information, next SEE time window of backbone star and remote sensing satellite is obtained；
(2) by backbone star antenna task queue, next serviceable time of backbone star antenna is obtained；
(3) by remote sensing satellite antenna task queue, next SEE time window of remote sensing satellite antenna is obtained；
(4) pass through the SEE time window in above (2) (3), obtain the next time available data of backbone star and remote sensing satellite
Transmission time window；
(5) it calculates and needs the number transmitted in the data volume and remote sensing satellite that available data transmission period window can transmit next time
According to amount, the two minimum value is taken, as the data volume that will be transmitted；
(6) according to (5) obtain one hypothesis data transfer task, information include the beginning and ending time, the image data passed down and
The size of image data.
4. a kind of Information Network resource scheduling system for remote sensing data transmission business according to claim 1,
It is characterized in that, the determining data transfer task priority is implemented as follows：
(1) handling capacity impact factor：The percentage that the data volume that data transfer task carries accounts for total amount is calculated, is then multiplied by
The quantity of data transfer request obtains handling capacity impact factor；
(2) service quality impact factor：Calculate the image data unit carried in data transfer task adding on remote sensing satellite
The ratio of weight average stand-by period and remote sensing satellite orbital period obtain service quality shadow as the exponential term of natural number
Ring the factor；
(3) bandwidth availability ratio impact factor：It calculates backbone star and is terminating a upper data transfer task to the next transmission of beginning
Then stand-by period between task takes logarithm to it, obtains bandwidth usage by the remote sensing satellite orbital period than the upper stand-by period
Rate impact factor；
(4) impact factor in (1) (2) (3) is multiplied, obtains the priority of the data transfer task.
5. a kind of Information Network resource scheduling system for remote sensing data transmission business according to claim 1,
It is characterized in that, the Internet resources of the determining data transfer task are implemented as follows：
(1) it is all one Priority Queues of backbone star antenna assignment, data transfer task is generated to the data obtained in algorithm
Data transfer task in transformation task set is assigned to each queue according to its corresponding antenna, and the data in queue are passed
Defeated task sorts according to task priority backward；
(2) set of a legal data transfer task is created, and first data in each priority query are passed
Defeated task is included in set；
(3) if there are multiple data transfer tasks for the planning of same remote sensing satellite in set, only retain highest priority that,
A data transfer task is taken out from the deleted corresponding Priority Queues of data transfer task simultaneously, set is added；
(4) repeat (3), until all Priority Queues all be sky, finally set in data transfer task, as legal data
Transformation task.
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| CN109905281A (en) * | 2019-03-24 | 2019-06-18 | 西安电子科技大学 | The group of stars network Telemetry Service transmission method of multipath maximum throughput |
| CN109992383A (en) * | 2019-03-13 | 2019-07-09 | 南京苍穹浩瀚信息科技有限公司 | A kind of multi-tenant big data frame dispatching method making full use of network computing resources |
| CN110460879A (en) * | 2019-08-28 | 2019-11-15 | 北京奇艺世纪科技有限公司 | A kind of video request dispatching method, device, server and storage medium |
| CN111711479A (en) * | 2020-06-15 | 2020-09-25 | 重庆邮电大学 | Low-earth-orbit satellite system resource scheduling method |
| CN114244904A (en) * | 2021-12-15 | 2022-03-25 | 平安科技（深圳）有限公司 | Remote sensing data transmission method, device, equipment and medium |
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| CN114244904A (en) * | 2021-12-15 | 2022-03-25 | 平安科技（深圳）有限公司 | Remote sensing data transmission method, device, equipment and medium |
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