CN103684576B - A kind of data high-speed communication means based on moonlet cluster ad-hoc network - Google Patents
A kind of data high-speed communication means based on moonlet cluster ad-hoc network Download PDFInfo
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Abstract
A kind of data high-speed communication means based on moonlet cluster ad-hoc network, this method uses mixed network structure, moonlet cluster is initially with acentric self-organization network structure, in realizing cluster, group net operation controls the mutual of relevant information, based on this, the services such as routing, road construction, control are provided for satellite sounding data high-speed transfer in cluster；This mixed network structure, the advantage combining non-stop layer structure and have division center, can be under different task demand, different formation configuration, realize the high-speed transfer of detection data in cluster, have simultaneously the non-stop layer of wireless self-organization network, self-discovery, automatically configure, self-organizing, fault self-recovery, the change of self adaptation formation and the series of advantages such as high reliability and high availability.
Description
Technical field
A kind of based on moonlet cluster ad-hoc network the data high-speed communication means of the present invention, belongs to satellite and compiles
Team networking technology field.
Background technology
Existing communication satellite constellation system, such as iridium satellite, GlobalStar, satellite is positioned at different track
Face, constitutes fixed signs configuration, and satellite-to-satellite link determines；And Small Satellite Formation Flying's system, such as
Techsat-21, TanDEM-X, GRACE etc., same employing fixes formation configuration, these systems
Only establish fixing intersatellite communication link, do not possess data exchange and multi-hop transmission ability between star, still
It is not enough to referred to as network between star, more can not realize MANET.
The F6 system concept that the U.S. proposes, system energy autonomous operation, support module adds/exits, cluster
In each module by real-time performance resource-sharing, be capable of Autonomous Reconfiguration in the face of threatening.But this system sets
Meter does not provide concrete cluster networking implementation method, is not directed to high speed data transfer problem yet.
This patent designed system and method the most in orbit and design in document patent with the most domestic and international
System all differ, there is certain novelty.The basic condition of related system is as follows:
(1) constellation system
(1) Iridium system
" second filial generation IRIDIUM and lift-launch application scenario thereof, Wu Jianjun Cheng Yu is new, the 6th for document
Satellite communication new business new technique Annual Conference, 2010.3 " basic condition of IRIDIUM is described in:
66 MEO/LEO Satellite Constellation,.
(2) Globalstar system
Document " eight convergent points soccer star's system outline of satellite communication series of lectures, Zhang Gengxin Li Gang etc., numeral
Communications World, 2007.12 " describe GlobalStar basic condition: 48 MEO/LEO Satellite Constellation and
38 the ground gateway station compositions being globally distributed, 16 wave beam fixed beam antennas, without inter-satellite link,
Transparent forwarding on star.System Construction, Operations, Administration and Maintenance cost are very big.
(3) ICO system
Document " middle circular orbit satellite communication system ICO, woods are outstanding, Tianjin navigation, 2002.3 " is retouched
State ICO system basic condition: 10 medium earth orbit satellite constellations and 7 ground juncture stations form, 120
Wave beam fixed beam antenna.Multi-beam antenna technology is complicated, system Construction, Operations, Administration and Maintenance
Cost is high.
(4) rail geo-stationary satellite constellation scheme in
The patent " middle rail geo-stationary satellite constellation scheme " of Application No. CN99106177.2, design be
Unite and be made up of four or five satellites being uniformly distributed top under the line.The program is covered for high latitude area
Lid difficulty, and simply show Constellation Design, not about the design of communication means.
(5) a kind of integrated satellite communication system frame and constellation
The patent " a kind of integrated satellite communication system frame and constellation " of Application No. CN99114761.8,
Devising a kind of China integrated satellite communication system, it is by synchronous satellite and several asynchronous satellite structures
Becoming, asynchronous satellite is made up of middle rail satellite or Medium Ellipse Orbit Satellites Constellation, has regionality and time limit
Property.This system is used for regional real-time Communication for Power and non real-time Global Data Communications.
(2) satellites formation system
The most existing distributed networked research center is generally directed to particular task design, every satellite configuration at present
Identical, integrate several functions, and annexation is based on system function design, typically can not be according to appointing
Business and the change of demand and change, adaptivity is poor with autgmentability.Such as, Techsat-21 plans star
Spacing is at 100m to 5km, and inter-satellite link mainly transmits formation position temporal information and the feelings of load
Condition, speed is only 128bps[2]；Between TanDEM X task star, interactive information is mainly the position of GPS
Confidence breath and attitude status information, every 10s sends with 32kbps[3]；GRACE inter-satellite link has
There is distance measurement function[4]。
Network facet between star, existing system only establishes fixing intersatellite communication link, does not possess star
Between data exchange and multi-hop transmission ability, be still not enough to referred to as network between star.
(3) F6 satellite system
For the deficiency of distributed isomorphism satellite system, U.S. national defense advanced research projects agency (DARPA)
Propose separation module concept, and carry out the F6 project [5,6] realizing this concept.F6 English full name is
" Future, Fast, Flexible, Fractionated, Free-Flying Spacecraft ", literal translating is
" following, quick, flexible, separation module, the free flight spacecraft " connected by information exchange,
It is U.S. national defense advanced research projects agency technical research that separation module concept is carried out and demonstration and verification item
Mesh.
U.S. DARPA plans to carry out the LEO demonstration and verification in-orbit of F6 at 2014-2015, should
Checking systematic naming method is " Pleiades " (Pleiades).Initial target only realizes distributed system
Its functional attributes, the most 1. system energy autonomous operation, support module adds/exits；2. each module in cluster
By real-time performance resource-sharing；3. it is capable of Autonomous Reconfiguration in the face of threat.
" Pleiades " (Pleiades), by 7 module compositions, each module flying instrument is for general
Functional unit platform courses functional unit (ACS) and communication function unit (Communications),
To realize formation control and the group-net communication of module cluster.On the basis of general-purpose functional units configures, different moulds
The dedicated functional unit of block aircraft configuration difference in functionality, including sensor load (sensor) unit,
Storage (Storage) unit, data process (Processor) unit etc..It is configured with special function list
The module aircraft of unit can complete corresponding special function in module cluster fleet system, and each module is flown
Realize massive store on star by communication function unit between device, data process and the money such as transmission over the ground
Source is shared.
Communication unit between F6 demo system module spacecraft uses self-organization network technology to realize networking
Communication, uses network without center structure, is peer-to-peer communications node, has non-stop layer between module spacecraft
Change, self-discovery, automatically configure, self-organizing, fault self-recovery and the feature such as high reliability and high availability.
But the functions such as all group-net communications of this system, detection data transmission are unified real by communication function unit
Existing, group-net communication is generally low speed directional communication, and detection data is transmitted as high speed beam communication, both
Integrating and influence each other, autgmentability is poor, and the transmission demand particularly with very two-forty is difficult to meet.
Further, the design of this system does not provide concrete detection data transmission method.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, it is provided that a kind of based on moonlet
The data high-speed communication means of cluster ad-hoc network, this method uses mixed network structure, it is achieved that in cluster
Group net operation controls the mutual, based on this of relevant information, it is achieved that the high-speed transfer of detection data
Routing, road construction and control.
The technical solution of the present invention is:
A kind of data high-speed communication means based on moonlet cluster ad-hoc network, described satellite communication network
Including at least 1 explorer satellite, at least 1 telecommunication satellite, at least 1 transfer satellite over the ground；Detection
Satellite includes that formation controls assembly, network communication components, high-speed transfer assembly, detector and control management
Assembly；Telecommunication satellite formation controls assembly, network communication components, high-speed transfer assembly, leads to over the ground over the ground
Letter assembly, memorizer and control management assembly；Transfer satellite includes that formation controls assembly, network service group
Part, high-speed transfer assembly and control management assembly；
Data high-speed communication means step is as follows:
(1) according to the moonlet cluster formation configuration required by task, each satellite formation controls assembly pair
Satellite platform carries out track and pose adjustment；
(2) self-organizing network method is used to realize any two by network communication components between each satellite
Single-hop or multi-hop communication between satellite；
(3) control management assembly carries out the network state management between each satellite and changes according to formation real
Shi Gengxin network state information；Described network state management includes that controlling management assembly is controlled by formation
Assembly obtains the relevant information of this satellite in formation configuration and obtains whole net by network communication components
The status information of network；Described relevant information includes positional information and attitude information；Described network state
Information includes the whole network routing iinformation, each satellite high-speed transfer assembly communication capacity and use state；
(4) when the detector of explorer satellite needs to send detection data, detector is to controlling management group
Part sends request message, and described request message comprises detection data transmission purpose telecommunication satellite over the ground and transmission
Speed；
(5) after the control management assembly of explorer satellite receives the request message of detector, according to step
(3) network state information obtained in, is calculated the optimal transmission paths of detection data；
(6) the control management assembly of each satellite in optimal transmission paths is according to calculating in step (5)
Optimal transmission paths generates control information, and sends it to transmit each satellite on path；
(7) each satellite reception is to the control information in step (6), is controlled by managing assembly for detection
Sub data transmission joins transfer resource, controls high-speed transfer assembly simultaneously and adjusts antenna sensing, and feedback acknowledgment
Information is to source node, and described source node refers to initially produce the explorer satellite controlling message；
(8) receiving on transmission path after the confirmation of each satellite feedback when source node, source node is to spy
Surveying device and send data transfer instruction, described data transfer instruction includes transfer rate and transmission means；
(9) detector carries out detection data transmission according to transmission instruction, and detection data passes through step (5)
Satellite in middle optimal transmission paths forwards the telecommunication satellite over the ground that achieves the goal successively；
(10) after detector completes data transmission, detection data is transmitted instruction and sends to controlling
Management assembly；
(11) purpose telecommunication satellite over the ground receives detection data and is stored in memorizer, when transmitting over the ground
After channel is set up, by communications component over the ground, will be stored in the detection data in memorizer and transmit to ground
Stand；
(12) the control management assembly of explorer satellite each satellite transmission path on transmission path is removed and is referred to
Order；
(13) each satellite reclaims transfer resource, detection data transformation task according to the chain instruction of tearing open received
Complete.
The explorer satellite of described step (1) medium and small satellite cluster, over the ground telecommunication satellite and transfer satellite
Quantity can arbitrary disposition according to demand.
Optimal transmission paths computational methods in described step (5) are as follows:
A () controls management collect components path computing required input, described input information includes
Over the ground telecommunication satellite quantity, every over the ground telecommunication satellite residue available transmission resources, every over the ground communication defend
Star residue available storage resource, transfer number of satellite, the sky of every transfer satellite high-speed transfer assembly configuration
Line quantity, each antenna point to scope and the currently used state of each antenna, network-in-dialing relation, every
The positional information of satellite, attitude information and running orbit；The currently used state of described antenna refers to make
With or idle；In described network-in-dialing relation refers to moonlet cluster, each moonlet passes through network service group
Part can carry out a direct jumping with other which moonlets and communicate
B () controls assembly and sends the transfer rate of request and transmitting continuous time according to detector, by passing
Defeated speed is multiplied by the transmitting continuous time, is calculated required storage resource, in all telecommunication satellites over the ground
Select satisfied residue available storage resource simultaneously big with residue available transmission resources more than required storage resource
Satellite alternately purpose telecommunication satellite over the ground in the transfer rate asked；
(c) control assembly according to network-in-dialing relation, calculate each alternative purpose telecommunication satellite over the ground with
Initiating the optional transmission path between the explorer satellite of transmission request, wherein said optional transmission path is at certain
May have a plurality of under the conditions of a little formations；
D () controls assembly and carries out optimal transmission paths selection in all optional transmission paths, specifically select
Selection method is as follows:
(d1) in all optional transmission paths, selecting shortest path, described shortest path refers to from sending out
Play the explorer satellite of transmission request to the minimum road of the number of satellite of alternative purpose telecommunication satellite process over the ground
Footpath；
(d2) for the spare antenna of high-speed transfer assembly of the satellite on shortest path, according to satellite
Positional information, attitude information, running orbit and antenna point to scope, and calculate on transmission path adjacent defends
Whether the antenna of star can be directed between pointing to；Described antenna points to alignment and refers to adjacent satellite high-speed transfer
Detection data can be realized by the antenna being mutually aligned between assembly to transmit, if detection data can not be realized
Transmission then judges can not be to criterion；
(d3) if the sky of the adjacent satellite during all satellites are satisfied by described step (d2) on shortest path
The condition that line can be directed at, then this shortest path is as optimal transmission paths；
(d4) if at least 1 satellite is unsatisfactory for the adjacent satellite in step (d2) on shortest path
The condition of antenna alignment, then in remaining optional transmission path, select shortest path, proceed to step
(d2), until selecting optimal transmission paths.
The present invention compared with prior art provides the benefit that:
(1) present invention uses mixed network structure, can under different task demand, different formation configuration,
Realize the high-speed transfer of detection data in cluster, have simultaneously wireless self-organization network non-stop layer, from
Find, automatically configure, self-organizing, fault self-recovery, the change of self adaptation formation and high reliability and Gao Ke
The property used.
(2) present invention is by the independent design of group-net communication with detection data transmission assembly, can be at cluster
When scale change, detection data transfer rate improve, it is achieved keep group-net communication assembly, network control
Management assembly, and detection data transmission assembly improves along with transfer rate and constantly upgrades, and therefore, has
Good application background adaptability and autgmentability.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of moonlet cluster of the present invention；
Fig. 2 is the inventive method flow chart.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further described in detail.
As it is shown in figure 1, a kind of data high-speed communication means based on moonlet cluster ad-hoc network, described
Satellite communication network include at least 1 explorer satellite, at least 1 over the ground telecommunication satellite, at least 1
Turn satellite；Explorer satellite includes that formation controls assembly, network communication components, high-speed transfer assembly, detection
Device and control management assembly；Telecommunication satellite includes that formation controls assembly, network communication components, at a high speed over the ground
Transmission assembly, over the ground communications component, memorizer and control management assembly；Transfer satellite includes formation control
(high-speed transfer assembly configures multiple antennas, Mei Getian for assembly, network communication components, high-speed transfer assembly
Line has certain coverage) and control management assembly；
Formation controls assembly and realizes the control of moonlet running orbit, attitude, by the control to every satellite
System realizes the change of moonlet cluster flight pattern, to constitute the formation required for system task；
Network communication components uses self-organization network technology, realizes leading between moonlet by omnidirectional antenna
Letter is mutual with information, controls information, network state information etc. including formation；
High-speed transfer assembly configures multiple antennas, and each antenna has certain space and points to, and covers certain
Service, can realize the satellite with different azimuth by different antennas and realize the high speed biography of detection data
Defeated；
Detector is the equipment on moonlet for remote sensing, such as photographic camera, radar etc.；
Control management assembly for the control to moonlet cluster internal load high speed data transfer.
Data high-speed communication means step is as follows:
(1) according to the moonlet cluster formation configuration required by task, each satellite formation controls assembly pair
Satellite platform carries out track and pose adjustment；The explorer satellite of moonlet cluster, over the ground telecommunication satellite and in
The quantity turning satellite can arbitrary disposition according to demand.
(2) self-organizing network method is used to realize any two by network communication components between each satellite
Single-hop or multi-hop communication between satellite；
(3) control management assembly carries out the network state management between each satellite and changes according to formation real
Shi Gengxin network state information；Described network state management includes that controlling management assembly is controlled by formation
Assembly obtains the relevant information of this satellite in formation configuration and obtains whole net by network communication components
The status information of network；Described relevant information includes positional information and attitude information；Described network state
Information includes the whole network routing iinformation, each satellite high-speed transfer assembly communication capacity and use state；
(4) when the detector of explorer satellite needs to send detection data, detector is to controlling management group
Part sends request message, and described request message comprises detection data transmission purpose telecommunication satellite (purpose over the ground
Telecommunication satellite is selected as sending the communication over the ground of data destination in referring to multiple telecommunication satellite over the ground over the ground
Satellite) and transfer rate；
(5) after the control management assembly of explorer satellite receives the request message of detector, according to step
(3) network state information obtained in, is calculated the optimal transmission paths of detection data；
Optimal transmission paths computational methods are as follows:
A () controls management collect components path computing required input, described input information includes
Over the ground telecommunication satellite quantity, every over the ground telecommunication satellite residue available transmission resources, every over the ground communication defend
Star residue available storage resource, transfer number of satellite, the sky of every transfer satellite high-speed transfer assembly configuration
Line quantity, each antenna point to scope and the currently used state of each antenna, network-in-dialing relation, every
The positional information of satellite, attitude information and running orbit；The currently used state of described antenna refers to make
With or idle；In described network-in-dialing relation refers to moonlet cluster, each moonlet passes through network service group
Part can carry out a direct jumping with other which moonlets and communicate
B () controls assembly and sends the transfer rate of request and transmitting continuous time according to detector, by passing
Defeated speed is multiplied by the transmitting continuous time, is calculated required storage resource, in all telecommunication satellites over the ground
Select satisfied residue available storage resource simultaneously big with residue available transmission resources more than required storage resource
Satellite alternately purpose telecommunication satellite over the ground in the transfer rate asked；
(c) control assembly according to network-in-dialing relation, calculate each alternative purpose telecommunication satellite over the ground with
Initiating the optional transmission path between the explorer satellite of transmission request, wherein said optional transmission path is at certain
May have a plurality of under the conditions of a little formations；
D () controls assembly and carries out optimal transmission paths selection in all optional transmission paths, specifically select
Selection method is as follows:
(d1) in all optional transmission paths, selecting shortest path, described shortest path refers to from sending out
Play the explorer satellite of transmission request to the minimum road of the number of satellite of alternative purpose telecommunication satellite process over the ground
Footpath；
(d2) for the spare antenna of high-speed transfer assembly of the satellite on shortest path, according to satellite
Positional information, attitude information, running orbit and antenna point to scope, and calculate on transmission path adjacent defends
Whether the antenna of star can be directed between pointing to；Described antenna points to alignment and refers to adjacent satellite high-speed transfer
Detection data can be realized by the antenna being mutually aligned between assembly to transmit, if detection data can not be realized
Transmission then judges can not be to criterion；
(d3) if the sky of the adjacent satellite during all satellites are satisfied by described step (d2) on shortest path
The condition that line can be directed at, then this shortest path is as optimal transmission paths；
(d4) if at least 1 satellite is unsatisfactory for the adjacent satellite in step (d2) on shortest path
The condition of antenna alignment, then in remaining optional transmission path, select shortest path, proceed to step
(d2), until selecting optimal transmission paths.
(6) the control management assembly of each satellite in optimal transmission paths is according to calculating in step (5)
Optimal transmission paths generates control information, and sends it to transmit each satellite on path；
(7) each satellite reception is to the control information in step (6), is controlled by managing assembly for detection
Sub data transmission joins transfer resource (such as time slot distribution), controls high-speed transfer assembly simultaneously and adjusts antenna
Point to, and feedback acknowledgment information (represents that satellite disappears according to the confirmation controlling message execution associative operation
Breath) to source node, described source node refers to initially produce the explorer satellite controlling message；
(8) receiving on transmission path after the confirmation of each satellite feedback when source node, source node is to spy
Surveying device and send data transfer instruction, described data transfer instruction includes transfer rate and transmission means；
(9) detector carries out detection data transmission according to transmission instruction, and detection data passes through step (5)
Satellite in middle optimal transmission paths forwards the telecommunication satellite over the ground that achieves the goal successively；
(10) after detector completes data transmission, detection data is transmitted instruction and sends to controlling
Management assembly；
(11) purpose telecommunication satellite over the ground receives detection data and is stored in memorizer, when transmitting over the ground
After channel is set up, by communications component over the ground, will be stored in the detection data in memorizer and transmit to ground
Stand；
(12) the control management assembly of explorer satellite each satellite transmission path on transmission path is removed and is referred to
Order；
(13) each satellite reclaims transfer resource, detection data transformation task according to the chain instruction of tearing open received
Complete.
The present invention is unspecified partly belongs to general knowledge as well known to those skilled in the art.
Claims (3)
1. a data high-speed communication means based on moonlet cluster ad-hoc network, described satellite communication
Network includes at least 1 explorer satellite, at least 1 telecommunication satellite, at least 1 transfer satellite over the ground；
Explorer satellite includes that formation controls assembly, network communication components, high-speed transfer assembly, detector and control
Management assembly；Telecommunication satellite formation controls assembly, network communication components, high-speed transfer assembly, right over the ground
Ground communications component, memorizer and control management assembly；Transfer satellite includes that formation controls assembly, network leads to
Letter assembly, high-speed transfer assembly and control management assembly；
It is characterized in that step is as follows:
(1) according to the moonlet cluster formation configuration required by task, each satellite formation controls assembly pair
Satellite platform carries out track and pose adjustment；
(2) self-organizing network method is used to realize any two by network communication components between each satellite
Single-hop or multi-hop communication between satellite；
(3) control management assembly carries out the network state management between each satellite and changes according to formation real
Shi Gengxin network state information；Described network state management includes that controlling management assembly is controlled by formation
Assembly obtains the relevant information of this satellite in formation configuration and obtains whole net by network communication components
The status information of network；Described relevant information includes positional information and attitude information；Described network state
Information includes the whole network routing iinformation, each satellite high-speed transfer assembly communication capacity and use state；
(4) when the detector of explorer satellite needs to send detection data, detector is to controlling management group
Part sends request message, and described request message comprises transfer rate and communicates over the ground with detection data transmission purpose
Satellite；
(5) after the control management assembly of explorer satellite receives the request message of detector, according to step
(3) network state information obtained in, is calculated the optimal transmission paths of detection data；
(6) the control management assembly of each satellite in optimal transmission paths is according to calculating in step (5)
Optimal transmission paths generates control information, and sends it to transmit each satellite on path；
(7) each satellite reception is to the control information in step (6), is controlled by managing assembly for detection
Sub data transmission joins transfer resource, controls high-speed transfer assembly simultaneously and adjusts antenna sensing, and feedback acknowledgment
Information is to source node, and described source node refers to initially produce the explorer satellite of request message；
(8) receiving on transmission path after the confirmation of each satellite feedback when source node, source node is to spy
Surveying device and send data transfer instruction, described data transfer instruction includes transfer rate and transmission means；
(9) detector carries out detection data transmission according to transmission instruction, and detection data passes through step (5)
Satellite in middle optimal transmission paths forwards the telecommunication satellite over the ground that achieves the goal successively；
(10) after detector completes data transmission, detection data is transmitted instruction and sends to controlling
Management assembly；
(11) purpose telecommunication satellite over the ground receives detection data and is stored in memorizer, when transmitting over the ground
After channel is set up, by communications component over the ground, will be stored in the detection data in memorizer and transmit to ground
Stand；
(12) the control management assembly of explorer satellite each satellite transmission path on transmission path is removed and is referred to
Order；
(13) each satellite is removed instruction according to the path received and is reclaimed transfer resource, this detection data
Transformation task completes.
A kind of data high-speed communication based on moonlet cluster ad-hoc network the most according to claim 1
Method, it is characterised in that: described step (1) medium and small satellite cluster explorer satellite, communicate over the ground
The quantity of satellite and transfer satellite can arbitrary disposition according to demand.
A kind of data high-speed communication based on moonlet cluster ad-hoc network the most according to claim 1
Method, it is characterised in that: the optimal transmission paths computational methods in described step (5) are as follows:
A () controls management collect components path computing required input, described input information includes
Over the ground telecommunication satellite quantity, every over the ground telecommunication satellite residue available transmission resources, every over the ground communication defend
Star residue available storage resource, transfer number of satellite, the sky of every transfer satellite high-speed transfer assembly configuration
Line quantity, each antenna point to scope and the currently used state of each antenna, network-in-dialing relation, every
The positional information of satellite, attitude information and running orbit；The currently used state of described antenna refers to make
With or idle；In described network-in-dialing relation refers to moonlet cluster, each moonlet passes through network service group
Part can carry out a direct jumping with other which moonlets and communicate；
B () controls management assembly and sends the transfer rate of request and transmitting continuous time according to detector,
It is multiplied by the transmitting continuous time by transfer rate, is calculated required storage resource, defend in all communications over the ground
Star is selected and meets residue available storage resource more than required storage resource and residue available transmission money simultaneously
Source is more than the satellite alternately purpose telecommunication satellite over the ground of asked transfer rate；
C () controls management assembly according to network-in-dialing relation, calculate each alternative purpose and communicate over the ground and defend
Optional transmission path between star and the explorer satellite initiating transmission request, wherein said optional transmission path
May have a plurality of under the conditions of some formation；
D () controls management assembly and carries out optimal transmission paths selection in all optional transmission paths, tool
Body system of selection is as follows:
(d1) in all optional transmission paths, selecting shortest path, described shortest path refers to from sending out
Play the explorer satellite of transmission request to the minimum road of the number of satellite of alternative purpose telecommunication satellite process over the ground
Footpath；
(d2) for the spare antenna of high-speed transfer assembly of the satellite on shortest path, according to satellite
Positional information, attitude information, running orbit and antenna point to scope, and calculate on transmission path adjacent defends
Whether the antenna of star can be directed between pointing to；Described antenna points to alignment and refers to adjacent satellite high-speed transfer
Detection data can be realized by the antenna being mutually aligned between assembly to transmit, if detection data can not be realized
Transmission then judges to be directed at；
(d3) if the sky of the adjacent satellite during all satellites are satisfied by described step (d2) on shortest path
The condition that line can be directed at, then this shortest path is as optimal transmission paths；
(d4) if at least 1 satellite is unsatisfactory for the adjacent satellite in step (d2) on shortest path
The condition of antenna alignment, then in remaining optional transmission path, select shortest path, proceed to step
(d2), until selecting optimal transmission paths.
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| CN105100224A (en) * | 2015-07-01 | 2015-11-25 | 北京奇虎科技有限公司 | Data transmission method and device |
| CN106788660A (en) * | 2016-12-29 | 2017-05-31 | 北京邮电大学 | A kind of deep space communication system and method |
| CN106685514B (en) * | 2017-01-05 | 2019-08-23 | 清华大学 | The selection method and device of repeater satellite |
| CN108282218B (en) * | 2018-01-31 | 2020-06-19 | 中国人民解放军陆军工程大学 | Networking planning method for satellite communication network |
| CN108964740B (en) * | 2018-06-15 | 2021-04-27 | 上海卫星工程研究所 | Omnidirectional inter-satellite communication link based on double-satellite flying around formation |
| CN111405654B (en) * | 2020-03-22 | 2021-08-20 | 西安电子科技大学 | Information transmission method between high dynamic wireless nodes |
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| CN102202333A (en) * | 2011-06-24 | 2011-09-28 | 中国人民解放军国防科学技术大学 | Routing method of wireless ad hoc network used for small satellite constellation communication |
| CN102238684A (en) * | 2011-08-01 | 2011-11-09 | 南京邮电大学 | Routing method based on bandwidth and delay bi-objective optimization |
| CN103068000A (en) * | 2012-12-11 | 2013-04-24 | 李滨 | Self-organizing network method and system based on minisatellites |
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| CN102202333A (en) * | 2011-06-24 | 2011-09-28 | 中国人民解放军国防科学技术大学 | Routing method of wireless ad hoc network used for small satellite constellation communication |
| CN102238684A (en) * | 2011-08-01 | 2011-11-09 | 南京邮电大学 | Routing method based on bandwidth and delay bi-objective optimization |
| CN103068000A (en) * | 2012-12-11 | 2013-04-24 | 李滨 | Self-organizing network method and system based on minisatellites |
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