CN105592149B - A kind of space information-distribution type storage method and system - Google Patents
A kind of space information-distribution type storage method and system Download PDFInfo
- Publication number
- CN105592149B CN105592149B CN201510953353.8A CN201510953353A CN105592149B CN 105592149 B CN105592149 B CN 105592149B CN 201510953353 A CN201510953353 A CN 201510953353A CN 105592149 B CN105592149 B CN 105592149B
- Authority
- CN
- China
- Prior art keywords
- information
- raw
- destination node
- control center
- network control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
Abstract
The invention proposes a kind of space information-distribution type storage method and systems, this method comprises: raw information is transmitted to the network control center by information source node, to be successively sent to low rail constellation via the network control center, high rail satellite；Information destination node sends the request for being directed to the raw information to the network control center, the network control center determines the acquisition modes information of the raw information according to the position of information destination node, and the acquisition modes information is fed back into information destination node, information destination node is according to the raw information on the low rail constellation of the acquisition modes acquisition of information.The present invention can improve the robustness and survivability of information system by the distributed storage and more standby redundancies of information；By storing information in the low orbit satellite node nearest apart from information destination node, the bandwidth consumption in information distribution procedure is reduced, the time delay of acquisition of information is shortened, improves the efficiency of information distribution.
Description
Technical field
The present invention relates to spatial network information technology field more particularly to a kind of space information-distribution type storage method and it is
System.
Background technique
In current space information system, limited by storage capacity on space networking technology and star, information is stored in ground
Information is read from ground data center when needing information, and is sent to information requirement section via high rail satellite in face data center
Point causes the occupancy of space link resource and the congestion of ground data central server.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of space information-distribution type storage method and system, improve empty
Between information system robustness and survivability, shorten the time delay of acquisition of information, improve the efficiency of information distribution.
The technical solution adopted by the present invention is that the space information-distribution type storage method, comprising:
Raw information is transmitted to the network control center by information source node, successively to defend via the network control center, high rail
Star is sent to low rail constellation；
Information destination node sends the request for being directed to the raw information to the network control center, and the network control center is according to the stay of two nights
The position of node determines the acquisition modes information of the raw information, and the acquisition modes information is fed back to information destination node,
Information destination node is according to the raw information on the low rail constellation of the acquisition modes acquisition of information.
Further, the method, further includes: receive the raw information in the network control center and be sent to high rail
Before satellite, the network control center carries out raw information at following coding according to raw information significance level to raw information
Reason:
Raw information is divided into n grade according to significance level by the network control center, is denoted as C respectively1, C2..., Cn, wherein
N >=1；
The network control center is according to the raw information significance level CiDistribute number K1, K2..., Kn, 1≤Ki≤ N, wherein
The N is the low rail constellation number of satellite for being responsible for storage raw information in low rail constellation, N >=2；
The network control center is according to the raw information significance level Ci, raw information is divided into KiPart, it is denoted as MO=
{MO,1, MO,2..., MO,Ki}；
The network control center is according to the significance level C of the raw informationiRaw information is encoded, above-mentioned N is generated
Part encoded information, is denoted as MC={ MC,1, MC,2..., MC,N, wherein by any KiPart encoded information can recover raw information；
The MC=MO×G；
G={ the gp,q, 1≤p≤Ki, 1≤q≤N；
The G is a KiThe matrix of × N；
Any K of the Gi×KiSubmatrix is all the matrix of full rank；
The information destination node is according to the raw information on the low rail constellation of the acquisition modes acquisition of information, comprising:
Information destination node sends information request to the network control center, and the network control center is according to raw information significance level Ci
And the position of information destination node, determine low rail constellation serial number subset R and decoding matrix P required for obtaining raw information, and will
The low rail constellation serial number subset R and decoding matrix P are sent to information destination node；
R={ the R1, R2..., RKiBe low rail constellation serial number collection { 1,2 ..., N } a subset, 1≤R1<R2<…<
RKi≤N；
Information destination node is according to low rail constellation serial number subset R from the corresponding K of the RiK is obtained in low orbit satelliteiPart coding letter
Breath, is denoted as MR={ MC,R1, MC,R2..., MC,RKi}；
MRIt is MCThe subset of corresponding low rail constellation serial number subset R, MRRaw information M is recovered for decodingO；
The MO=MR×P；
The P is GRInverse matrix；
The GR={ gp,q, 1≤p≤Ki, q ∈ R；
The GRThe K extracted by Gi×KiSubmatrix；
The P is a Ki×KiDecoding matrix.
Further, the acquisition modes information, comprising:
The network control center determines the low rail constellation serial number subset for obtaining the raw information according to the position of information destination node
R；
The low rail constellation serial number subset R is by raw information significance level CiAnd the position of information destination node determines.
Further, obtaining the low rail constellation number of satellite used needed for the raw information is to be enough to decode to restore original letter
The minimum value of breath；
It is C for raw information significance leveliEncoded information, decoding recover raw information MOWhen required low rail
Constellation number of satellite is at least Ki。
Further, the low orbit satellite position for obtaining the raw information is the low rail constellation satellite nearest apart from information destination node
Position.
The present invention also provides a kind of space information-distribution type storage systems, comprising:
Information source node, for generating raw information；
The network control center, for raw information to be sent supreme rail satellite and based on the request of information destination node to the letter
Destination node feeds back the acquisition modes information of the raw information；
High rail satellite, the raw information for network control center's transmission to come up are sent to low rail star by broadcast mode
Seat；
Low rail constellation, for storing raw information；
Information destination node, for obtaining the raw information stored on the low rail constellation to low rail constellation.
Further, the network control center, is also used to:
Raw information is encoded according to the significance level of raw information, the raw information after coding is sent into supreme rail
Satellite.
Further, the network control center, is also used to:
The information request of information destination node is received, and according to the location information of information destination node, feeds back low rail star to information destination node
Seat serial number subset R.
Further, the low rail constellation is made of more than two low orbit satellites.
Further, the acquisition modes information of the raw information, comprising: low rail constellation serial number subset R and decoding matrix
P；
The information destination node, is also used to:
The raw information of low rail constellation storage is received according to the low rail constellation serial number subset R that the network control center feeds back；
When information destination node receives complete encoded information from low rail constellation, according to the decoding of network control center's feedback
Matrix P is decoded the encoded information, obtains raw information.
By adopting the above technical scheme, the present invention at least has the advantage that
Space information-distribution type storage method and system of the present invention may be implemented to encode raw information, and will
Encoded information distribution is stored in low rail constellation, passes through the distributed storage and more standby redundancies of information, low rail constellation satellite network
The damage of part low orbit satellite nodal stored information or loss will not influence the performance of whole system in network, improve information system
Robustness and survivability；By storing information in the low orbit satellite node nearest apart from information destination node, information is reduced
The time delay of acquisition of information is shortened in bandwidth consumption in distribution procedure, improves the efficiency of information distribution.
Detailed description of the invention
Fig. 1 is the space information-distribution type storage method flow chart of first embodiment of the invention；
Fig. 2 is the space information-distribution type storage method flow chart of second embodiment of the invention；
Fig. 3 is the space information-distribution type stocking system composed structure schematic diagram of third of the present invention and fourth embodiment.
Fig. 4 is the real space information-distribution type stocking system composed structure schematic diagram of fifth embodiment of the invention.
Specific embodiment
Further to illustrate the present invention to reach the technical means and efficacy that predetermined purpose is taken, below in conjunction with attached drawing
And preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, a kind of method of space information-distribution type storage, as shown in Figure 1, including in detail below
Step:
Raw information is transmitted to the network control center by step S101, information source node.
Raw information is sent supreme rail satellite by step S102, the network control center.
Raw information is sent to low rail constellation with broadcast mode by step S103, high rail satellite, and low rail constellation is to original letter
Breath is stored.
Step S104, information destination node send to the network control center and obtain original information request.
Step S105, the network control center determine that information destination node obtains obtaining for raw information according to the position of information destination node
Mode information is taken, and the mode information of will acquire feeds back to information destination node.
Specifically, acquisition modes information includes the low rail constellation number of satellite and low rail that information destination node obtains the raw information
Constellation satellite position；
The low rail constellation satellite position selection principle is low rail nearest apart from information destination node in information reception process
Constellation satellite position.The determination principle of the low rail constellation number of satellite is the low rail constellation for being enough to restore raw information
Number of satellite minimum value.
Step S106, information destination node obtain the raw information of low rail constellation storage.
Specifically, low rail constellation number of satellite and low rail constellation satellite position that information destination node is fed back according to network center,
Receive the raw information of low rail constellation storage.
Second embodiment of the invention, a kind of method of space information-distribution type storage, the present embodiment the method and first
Embodiment is roughly the same, and difference is, as shown in Fig. 2, the embodiment of the present invention method increases information coding method in S202
And information decoding method is increased in S206, specific steps:
Raw information is transferred to the network control center by step S201, information source node.
Raw information is carried out coding according to raw information significance level and believes coding by step S202, the network control center
Breath sends supreme rail satellite.
Specifically, the network control center carries out information coding according to raw information significance level, specifically include:
Raw information is divided into n grade according to significance level by the network control center, is denoted as C respectively1, C2..., Cn, the n
>=1, it is preferable that n value range is 1~5.
The network control center is according to raw information significance level CiDistribute number K1, K2..., Kn(1≤K1<K2<…<Kn≤
N), the N is that low rail constellation is responsible for storing the low rail constellation number of satellite of encoded information, N >=2, it is preferable that N value range
It is 50~1000.
Further, the network control center is according to raw information significance level Ci, raw information is divided into KiPart, it is denoted as MO
={ MO,1, MO,2..., MO,Ki}。
The network control center is according to raw information significance level CiRaw information is encoded, N parts of encoded informations are generated,
It is denoted as MC={ MC,1, MC,2..., MC,N, wherein by any KiPart encoded information is enough to recover raw information.Wherein MCCoding
Mode are as follows:
MC=MO×G；
G={ the gp,q, 1≤p≤Ki, 1≤q≤N；
The G is a KiThe matrix of × N, while any K of the Gi×KiSubmatrix is all the matrix of full rank.
When raw information is completed information coding according to raw information significance level by the network control center, in network-control
Encoded information is sent supreme rail satellite by the heart.
Encoded information is sent to low rail constellation with broadcast mode by step S203, high rail satellite, and low rail constellation believes coding
Breath is stored.
Step S204, information destination node is sent to the network control center obtains encoded information request.
Step S205, the network control center determine information destination node according to information destination node position and encoded information significance level
The acquisition modes information of encoded information is obtained, and the mode information of will acquire feeds back to information destination node.
Specifically, acquisition modes information includes: low rail constellation serial number subset R.
The low rail constellation serial number subset R is network controlled center according to encoded information significance level CiAnd information destination node
Position determine.
R={ the R1, R2..., RKiBe low rail constellation serial number collection { 1,2 ..., N } a subset, 1≤R1<R2<…<
RKi≤N。
Step S206, information destination node obtain the encoded information of low rail constellation storage and are decoded.
Specifically, information destination node receives the encoded information that low rail constellation is sent and is decoded, specifically include:
Information destination node sends encoded information request to the network control center, and the network control center is by the decoding square of encoded information
Battle array P is sent to information destination node.
Decoding matrix P is by raw information significance level CiAnd the position of information destination node determines.
Information destination node is according to low rail constellation serial number subset R from the corresponding K of the RiK is obtained in low orbit satelliteiPart coding letter
Cease MR；
The MR={ MC,R1, MC,R2..., MC,RKi}；
The MRIt is encoded information MCThe subset of corresponding low rail constellation serial number subset R；
Information destination node is from the encoded information MRRecover raw information MO；
The MO=MR×P；
The P is GRInverse matrix；
The GR={ gp,q, 1≤p≤Ki, q ∈ R；
The GRIt is the K extracted by Gi×KiSubmatrix；
The P is a Ki×KiDecoding matrix.
Third embodiment of the invention, it is corresponding with first embodiment to introduce a kind of space information-distribution type storage system, such as
Shown in Fig. 3, including consisting of part:
1) information source node 100, for generating raw information；
2) network control center 101, for raw information to be sent 104 original of supreme rail satellite 102 and feedback information destination node
The acquisition modes information of beginning information request；
Specifically, the raw information that the network control center 101 is used to generate information source node 100 sends supreme rail satellite
102。
Further, when information destination node 105 issues original information request, the network control center 102 is original for receiving
Information request, and the low rail constellation serial number subset R fed back to information destination node 104.
The low rail constellation serial number subset R is network controlled center according to encoded information significance level CiAnd information destination node
Position determine.
3) high rail satellite 102 is sent for the raw information come up to be transmitted in the network control center 101 by broadcast mode
To low rail constellation 103.
4) low rail constellation 103, for storing raw information.
Specifically, low rail constellation 103 is made of N low orbit satellite, wherein N >=2.
5) information destination node 104, the raw information stored for obtaining low rail constellation 103.
Fourth embodiment of the invention, it is corresponding with second embodiment to introduce a kind of space information-distribution type storage system, such as
Shown in Fig. 3, including consisting of part:
1) information source node 100, for generating raw information.
2) network control center 101 send supreme rail satellite for encoding to raw information, and by encoded information
102 and feedback 104 encoded information of information destination node request acquisition modes information.
It is specifically used for, the network control center 101 carries out information coding according to raw information significance level:
Raw information is divided into n grade according to significance level by the network control center 101, is denoted as C respectively1, C2..., Cn, institute
State n >=1, it is preferable that n value range is 1~5.
The network control center 101 is according to raw information significance level CiDistribute number K1, K2..., Kn(1≤K1<K2<…<Kn
≤ N), the N is low 103 number of satellite of rail constellation that low rail constellation 103 is responsible for storage encoded information, N >=2, it is preferable that N
Value range is 50~1000.
Further, the network control center 101 is according to raw information significance level Ci, raw information is divided into KiPart, it is denoted as
MO={ MO,1, MO,2..., MO,Ki}。
The network control center 101 is according to raw information significance level CiRaw information is encoded, N parts of coding letters are generated
Breath, is denoted as MC={ MC,1, MC,2..., MC,N, wherein by any KiPart encoded information is enough to recover raw information.Wherein MC's
Coding mode are as follows:
MC=MO×G；
G={ the gp,q, 1≤p≤Ki, 1≤q≤N；
The G is a KiThe matrix of × N；
Any K of the Gi×KiSubmatrix is all the matrix of full rank.
When raw information is completed information coding according to raw information significance level by the network control center 101, network control
Encoded information is sent supreme rail satellite 102 by center 101 processed.
Further, when information destination node 104 issues encoded information request, the network control center 101 is for receiving coding
Information request, and the low rail constellation serial number subset R fed back to information destination node.
The low rail constellation serial number subset R is network controlled center according to encoded information significance level CiAnd information destination node
Position determine.
3) high rail satellite 102 is sent for the encoded information come up to be transmitted in the network control center 101 by broadcast mode
To low rail constellation 103.
4) low rail constellation 103, for storing encoded information.
Specifically, low rail constellation 103 is made of N low orbit satellite, wherein N >=2.
5) information destination node 104, for obtaining the encoded information of the low storage of rail constellation 103 and being decoded to encoded information.
Specifically, information destination node 104 receives the encoded information that low rail constellation 103 is sent and is decoded:
Information destination node 104 is used to send encoded information request to the network control center 101, and the network control center 101 will compile
The decoding matrix P of code information is sent to information destination node 104.
Decoding matrix P is by raw information significance level CiAnd the position of information destination node determines.
Information destination node 104 is used for from the corresponding K of the RiK is obtained in low orbit satelliteiPart encoded information MR；
The MR={ MC,R1, MC,R2..., MC,RKi}；
The MRIt is encoded information MCThe subset of corresponding low rail constellation serial number subset R；
Information destination node is from the encoded information MRRecover raw information MO；
The MO=MR×P；
The P is GRInverse matrix；
The GR={ gp,q, 1≤p≤Ki, q ∈ R；
The GRIt is the K extracted by Gi×KiSubmatrix；
The P is a Ki×KiDecoding matrix.
Fifth embodiment of the invention, the present embodiment are on the basis of the above embodiments, to introduce this hair in conjunction with attached drawing 4
Realization process, feature and the advantage of technical solution of the present invention is described in detail in bright application example.
The present embodiment is as shown in figure 4, in the real space network information distributed memory system of the present embodiment, information source section
Raw information is sent to the network control center 10 by point 21, and the network control center 10 is according to the significance level of raw information to original
Information is encoded, and the raw information after coding is sent high rail satellite 30 by the network control center 10, and high rail satellite 30 will be compiled
Code information is sent to low rail constellation 40 by way of broadcast, and low rail constellation 40 stores encoded information, wherein low rail star
Seat 40 is made of N low orbit satellite.Since encoded information is in the distributed storage and more standby redundancies of low rail constellation 40, when low rail
The damage of part low orbit satellite nodal information or loss still can pass through remaining low 40 satellite of rail constellation in 40 network of constellation
The encoded information of storage provides complete raw information.When information destination node 22 proposes information request to the network control center 10,
Acquisition modes information is fed back to information destination node by the network control center 10, and the mode information that obtains includes: the low of acquisition encoded information
Rail constellation serial number subset R and decoding matrix P, the acquisition modes information that information destination node 22 is fed back according to the network control center 10 obtain
The encoded information being stored on low rail constellation 40 and decoding are taken, raw information is recovered.
By the explanation of specific embodiment, the present invention can should be reached technological means that predetermined purpose is taken and
Effect is able to more deeply and specifically understand, however appended diagram is only to provide reference and description and is used, and is not used to this
Invention limits.
Claims (6)
1. a kind of space information-distribution type storage method characterized by comprising
Raw information is transmitted to the network control center by information source node, successively to send out via the network control center, high rail satellite
It send to low rail constellation；
Information destination node sends the request for being directed to the raw information to the network control center, and the network control center is according to information destination node
Position determine the acquisition modes information of the raw information, and the acquisition modes information is fed back into information destination node, the stay of two nights
Node is according to the raw information on the low rail constellation of the acquisition modes acquisition of information；
The raw information is received in the network control center and before being sent to high rail satellite, the network control center is by original letter
Breath carries out following coded treatment to raw information according to raw information significance level:
Raw information is divided into n grade according to significance level by the network control center, is denoted as C respectively1, C2..., Cn, wherein described
n≥1；
The network control center is according to the raw information significance level CiDistribute number K1, K2..., Kn, 1≤Ki≤ N, wherein described
N is the low rail constellation number of satellite for being responsible for storage raw information in low rail constellation, N >=2；
The network control center is according to the raw information significance level Ci, raw information is divided into KiPart, it is denoted as MO={ MO,1,
MO,2..., MO,Ki}；
The network control center is according to the significance level C of the raw informationiRaw information is encoded, above-mentioned N parts of coding is generated
Information is denoted as MC={ MC,1, MC,2..., MC,N, wherein by any KiPart encoded information can recover raw information；
The MC=MO×G；
G={ the gp,q, 1≤p≤Ki, 1≤q≤N；
The G is a KiThe matrix of × N；
Any K of the Gi×KiSubmatrix is all the matrix of full rank；
The information destination node is according to the raw information on the low rail constellation of the acquisition modes acquisition of information, comprising:
Information destination node sends information request to the network control center, and the network control center is according to raw information significance level CiAnd
The position of information destination node determines low rail constellation serial number subset R and decoding matrix P required for obtaining raw information, and will be described
Low rail constellation serial number subset R and decoding matrix P are sent to information destination node；
R={ the R1, R2..., RKiBe low rail constellation serial number collection { 1,2 ..., N } a subset, 1≤R1<R2<…<RKi≤
N；
Information destination node is according to low rail constellation serial number subset R from the corresponding K of the RiK is obtained in low orbit satelliteiPart encoded information,
It is denoted as MR={ MC,R1, MC,R2..., MC,RKi}；
MRIt is MCThe subset of corresponding low rail constellation serial number subset R, MRRaw information M is recovered for decodingO；
The MO=MR×P；
The P is GRInverse matrix；
The GR={ gp,q, 1≤p≤Ki, q ∈ R；
The GRThe K extracted by Gi×KiSubmatrix；
The P is a Ki×KiDecoding matrix；
The acquisition modes information, comprising:
The network control center determines the low rail constellation serial number subset R for obtaining the raw information according to the position of information destination node；
The low rail constellation serial number subset R is by raw information significance level CiAnd the position of information destination node determines.
2. space information-distribution type storage method according to claim 1, which is characterized in that obtain needed for the raw information
The low rail constellation number of satellite used is to be enough to decode the minimum value for restoring raw information；
It is C for raw information significance leveliEncoded information, decoding recover raw information MOWhen required low rail constellation
Number of satellite is at least Ki。
3. space information-distribution type storage method according to claim 1, which is characterized in that obtain the low of the raw information
Rail satellite position is the low rail constellation satellite position nearest apart from information destination node.
4. a kind of space information-distribution type storage system characterized by comprising
Information source node, for generating raw information；
The network control center, for raw information to be sent supreme rail satellite and based on the request of information destination node to the stay of two nights section
Point feeds back the acquisition modes information of the raw information；
High rail satellite, the raw information for network control center's transmission to come up are sent to low rail constellation by broadcast mode；
Low rail constellation, for storing raw information；
Information destination node, for obtaining the raw information stored on the low rail constellation to low rail constellation；
Wherein, the network control center, is specifically used for: raw information being divided into n grade according to significance level, is denoted as respectively
C1, C2..., Cn, wherein n >=1；According to the raw information significance level CiDistribute number K1, K2..., Kn, 1≤Ki≤ N,
Wherein the N is the low rail constellation number of satellite for being responsible for storage raw information in low rail constellation, N >=2；According to described original
Information importance level Ci, raw information is divided into KiPart, it is denoted as MO={ MO,1, MO,2..., MO,Ki}；According to the raw information
Significance level CiRaw information is encoded, above-mentioned N parts of encoded information is generated, is denoted as MC={ MC,1, MC,2..., MC,N,
In, by any KiPart encoded information can recover raw information；The MC=MO×G；G={ the gp,q, 1≤p≤Ki, 1
≤q≤N；The G is a KiThe matrix of × N；Any K of the Gi×KiSubmatrix is all the matrix of full rank；When by raw information
When completing information coding according to raw information significance level, encoded information is sent into supreme rail satellite；
The acquisition modes information, comprising: the network control center determines according to the position of information destination node obtains the raw information
Low rail constellation serial number subset R；The low rail constellation serial number subset R is by raw information significance level CiAnd the position of information destination node
Set determination；
The information destination node, is specifically used for: the Xiang Suoshu network control center sends encoded information request, for the network-control
The decoding matrix P of encoded information is sent to information destination node by center, wherein decoding matrix P is by raw information significance level CiWith
And the position of information destination node determines；Ki parts of encoded information M are obtained from the corresponding Ki low orbit satellite of the RR；The MR=
{MC,R1, MC,R2..., MC,RKi}；The MR is encoded information MCThe subset of corresponding low rail constellation serial number subset R；Information destination node is from institute
State encoded information MRRecover raw information MO；The MO=MR×P；The P is GRInverse matrix；The GR={ gp,q, 1≤p
≤Ki, q ∈ R；The GRIt is the K extracted by Gi×KiSubmatrix；The P is a Ki×KiDecoding matrix.
5. space information-distribution type storage system according to claim 4, which is characterized in that the network control center,
It is also used to:
The information request of information destination node is received, and according to the location information of information destination node, feeds back low rail constellation sequence to information destination node
Work song collection R.
6. space information-distribution type storage system according to claim 4, which is characterized in that the low rail constellation is by two
A above low orbit satellite composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953353.8A CN105592149B (en) | 2015-12-17 | 2015-12-17 | A kind of space information-distribution type storage method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953353.8A CN105592149B (en) | 2015-12-17 | 2015-12-17 | A kind of space information-distribution type storage method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105592149A CN105592149A (en) | 2016-05-18 |
| CN105592149B true CN105592149B (en) | 2019-04-05 |
Family
ID=55931353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510953353.8A Active CN105592149B (en) | 2015-12-17 | 2015-12-17 | A kind of space information-distribution type storage method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105592149B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433883A (en) * | 2020-11-10 | 2021-03-02 | 北京邮电大学 | On-satellite information distributed storage method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932065A (en) * | 2010-07-30 | 2010-12-29 | 中国科学院软件研究所 | Method for discovering distributed satellite network resources |
| US8058598B2 (en) * | 2008-03-05 | 2011-11-15 | Trex Enterprises Corp. | Fourier telescopic imaging system and method |
| CN104469985A (en) * | 2014-10-31 | 2015-03-25 | 上海卫星工程研究所 | Space information network system based on low-earth-orbit satellite constellation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020031103A1 (en) * | 2000-05-02 | 2002-03-14 | Globalstar L.P. | User terminal employing quality of service path determination and bandwidth saving mode for a satellite ISP system using non-geosynchronous orbit satellites |
-
2015
- 2015-12-17 CN CN201510953353.8A patent/CN105592149B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8058598B2 (en) * | 2008-03-05 | 2011-11-15 | Trex Enterprises Corp. | Fourier telescopic imaging system and method |
| CN101932065A (en) * | 2010-07-30 | 2010-12-29 | 中国科学院软件研究所 | Method for discovering distributed satellite network resources |
| CN104469985A (en) * | 2014-10-31 | 2015-03-25 | 上海卫星工程研究所 | Space information network system based on low-earth-orbit satellite constellation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105592149A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2644004B1 (en) | Subset coding for communication systems | |
| CN108540520B (en) | Partial repeated code based locality repairing coding and node fault repairing method | |
| US9130742B2 (en) | Key agreement in wireless networks with active adversaries | |
| TWI445323B (en) | Hybrid codec apparatus and method for data transferring | |
| CN103986510B (en) | Transmitter, repeater, receiver and cooperation communication system | |
| CN105432034A (en) | System and method for designing and using multidimensional constellations | |
| US20120131407A1 (en) | Layer-aware forward error correction encoding and decoding method, encoding apparatus, decoding apparatus, and system thereof | |
| WO2009135630A2 (en) | Method of storing a data set in a distributed storage system, distributed storage system and computer program product for use with said method | |
| RU2461970C2 (en) | Method and apparatus for receiving data | |
| CN104067594A (en) | Content delivery system with allocation of source data and repair data among http servers | |
| Girgis et al. | Decentralized coded caching in wireless networks: Trade-off between storage and latency | |
| CN111050291B (en) | High-coding-sign-degree value broadcasting method based on system online fountain codes | |
| CN103874017A (en) | Satellite positioning data transmission method | |
| US9116827B2 (en) | System and method for optimizing luby transform (LT) codes to facilitate data transmission over communication network | |
| CN105592149B (en) | A kind of space information-distribution type storage method and system | |
| CN102142934B (en) | Method for realizing distributed Luby transform (LT) codes on the basis of layering network topology | |
| CN102088331B (en) | Data transmission method and network node | |
| KR101967884B1 (en) | Apparatus and method for transmitting and receiving packet in broadcasting and communication system | |
| KR20120092380A (en) | Apparatus and method for bi-directional communication between multi pair nodes using relay node | |
| Nie et al. | A novel systematic raptor network coding scheme for Mars-to-Earth relay communications | |
| CN103095827B (en) | A kind of local multi-client synergistic data method for down loading based on random network code | |
| CN108768952A (en) | A kind of flow-medium transmission method, client, server and storage medium | |
| CN103036646A (en) | ECC (error correction code) decoding controlling method used for data communication | |
| CN103516775A (en) | Method and system for achieving fast synchronization among equipment | |
| Jayanthi et al. | An efficient framework for network code based content distribution in P2P network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |