CN116886160B - Low-orbit satellite interconnection communication method, device and computing equipment - Google Patents
Low-orbit satellite interconnection communication method, device and computing equipment Download PDFInfo
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- 238000004806 packaging method and process Methods 0.000 claims description 6
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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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
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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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides a low-orbit satellite interconnection communication method, a device and a computing device, and relates to the technical field of satellite communication, wherein the method comprises the following steps: acquiring communication data collected by a satellite network through satellites and ground equipment; transmitting the communication data to a central node through a satellite network; confirming the communication data to obtain confirmed communication data; storing the validated communication data to a blockchain platform; processing the communication data stored in the blockchain platform to obtain processed data; the process data is transmitted to authorized nodes and/or users. The invention adopts a satellite network composed of low orbit satellites, can reduce signal transmission delay, and provides quick and stable internet connection, thereby realizing high-efficiency signal transmission and reception.
Description
Technical Field
The present invention relates to the field of satellite communications technologies, and in particular, to a method and apparatus for low-orbit satellite interconnection communications, and a computing device.
Background
Conventional wired and fiber optic internet networks have geographical limitations that make it difficult to achieve global coverage, especially in remote or sparsely populated areas. The satellite Internet transmits data on the orbit through the satellite, so that the global Internet coverage can be realized, and the convenience of high-speed Internet connection can be enjoyed in remote areas and remote areas. In particular, in disaster recovery and emergency communication scenarios, conventional ground infrastructure and communication networks may be damaged or interrupted, and the satellite internet may serve as a backup means of communication, providing emergency communication and connection recovery capability in the event of a disaster, and providing support for rescue operations and post-disaster reconstruction. Meanwhile, the satellite Internet can make up for the digital gap, and provides Internet access opportunities for areas and people without traditional Internet access channels or limited by infrastructure.
Existing satellite communication networks typically employ geosynchronous orbit satellites that are relatively far from the earth and have relatively high signal propagation delays. Furthermore, these satellite communication networks may present single point of failure and security issues in terms of signal transmission and data processing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a low-orbit satellite interconnection communication method, a low-orbit satellite interconnection communication device and a computing device, which adopt a satellite network consisting of low-orbit satellites, can reduce signal transmission delay, provide quick and stable internet connection, and further realize efficient signal transmission and reception.
In order to solve the technical problems, the technical scheme of the invention is as follows:
in a first aspect, a method of low-orbit satellite based interconnection communications, the method comprising:
acquiring communication data collected by a satellite network through satellites and ground equipment;
transmitting the communication data to a central node through a satellite network;
confirming the communication data to obtain confirmed communication data;
storing the validated communication data to a blockchain platform;
processing the communication data stored in the blockchain platform to obtain processed data;
the process data is transmitted to authorized nodes and/or users.
Further, transmitting the communication data to a central node through a satellite network, comprising:
dividing the communication data into a plurality of data packets;
modulating the data packet into a radio frequency signal and transmitting the radio frequency signal to a satellite through a satellite antenna;
amplifying the radio frequency signal to obtain an amplified signal;
transmitting the amplified signal to a ground station or a relay satellite, and processing the amplified signal by the ground station or the relay satellite to restore the amplified signal into an original data packet;
and transmitting the original data packet to a corresponding central node.
Further, dividing the communication data into a plurality of data packets includes:
serializing the communication data and determining rules of communication data subpackets according to network transmission conditions and communication data types;
dividing the serialized communication data into a plurality of data packets, wherein each data packet comprises a part of communication data and packetization information;
and adding packet header information for each data packet, wherein the packet header information comprises a sender, a receiver, a data packet size and a data packet sequence number.
Further, the step of confirming the communication data to obtain confirmed communication data includes:
digitally signing the original data packet to obtain a signed data packet;
broadcasting the signed data packet to a ground station or satellite;
after receiving the broadcasted signature data packet, the ground station or satellite sends a public key corresponding to the signature data packet to decrypt the signature data packet;
if the decryption is successful, the confirmed original data packet is obtained, and if the decryption is unsuccessful, the original data packet is tampered.
Further, storing the validated communication data to the blockchain platform, comprising:
packaging the confirmed original data packet into a new transaction;
constructing a new candidate blockchain according to the packaged new transaction;
verifying and consensus the new candidate block chain through a consensus algorithm in the block chain network;
if consensus is reached, new candidate blockchains are added to the blockchain to form a new data chain.
Further, processing the communication data stored in the blockchain platform to obtain processed data includes:
acquiring a new data chain stored on a block chain platform;
decrypting the new data chain according to the new data chain to obtain original communication data;
preprocessing the extracted original communication data to obtain normalized data;
analyzing the normalized data to obtain a data analysis result;
and obtaining processing data according to the data analysis result.
Further, before transmitting the processed data to the authorized node and/or user, the method further comprises:
acquiring authorized nodes and/or user names and passwords;
matching the authorized node and/or user name and password with the pre-stored information, if so, passing the verification, transmitting the processing data to the authorized node and/or user, and if not, failing the verification until the verification is successful.
In a second aspect, a low-orbit satellite interconnect communication device comprises:
the acquisition module is used for acquiring communication data collected by a satellite network through satellites and ground equipment; transmitting the communication data to a central node through a satellite network;
the processing module is used for confirming the communication data to obtain confirmed communication data; storing the validated communication data to a blockchain platform; processing the communication data stored in the blockchain platform to obtain processed data; the process data is transmitted to authorized nodes and/or users.
In a third aspect, a computing device includes:
one or more processors;
and a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the above-described methods.
In a fourth aspect, a computer readable storage medium stores a program that when executed by a processor implements the above method.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the satellite network formed by the low-orbit satellites is adopted, so that signal transmission delay can be reduced, quick and stable Internet connection is provided, and efficient signal transmission and reception are realized.
Drawings
Fig. 1 is a flow chart of a low-orbit satellite interconnection communication method according to an embodiment of the invention.
Fig. 2 is a schematic diagram of communication among a plurality of satellite block nodes in a low-orbit satellite interconnection communication method according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a low-orbit satellite interconnection communication device according to an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for interconnecting low-orbit satellites, which includes:
step 11, acquiring communication data collected by a satellite network through satellites and ground equipment;
step 12, transmitting the communication data to a central node through a satellite network;
step 13, confirming the communication data to obtain confirmed communication data;
step 14, storing the confirmed communication data to the blockchain platform;
step 15, processing the communication data stored in the blockchain platform to obtain processed data;
step 16, transmitting the processed data to authorized nodes and/or users.
In the embodiment of the present invention, the satellite network collects communication data from different sources (such as ground stations, other satellites, wireless communication devices, etc.), as shown in fig. 2, and uses a plurality of satellite block nodes for communication schematic diagram; the collected communication data is sent to a central node responsible for processing and storing, so that the transmission of the data between the satellite network and the central node can be realized; the received communication data is subjected to operations such as integrity check, duplicate removal, verification and the like, so that the data reliability is ensured, and the quality of the data can be improved; the communication data confirmed is safely stored by utilizing the decentralization and non-falsification characteristics of the block chain platform, so that the safety and the integrity of the communication data in the storage process can be ensured; according to actual requirements, the communication data are subjected to analysis, conversion, aggregation and other processes, processed data are generated, and valuable information resources are provided for authorized nodes and/or users; the processed data is safely sent to authorized nodes and/or users needing to use the data, reliable sharing of the data among the satellite network, the blockchain platform and the authorized nodes and/or users can be achieved, and data utilization and collaborative operation are promoted.
Therefore, the satellite network formed by the low-orbit satellites can reduce signal transmission delay and provide quick and stable internet connection, so that efficient signal transmission and receiving are realized.
In a preferred embodiment of the present invention, the step 12 may include:
step 121, dividing the communication data into a plurality of data packets;
step 122, modulating the data packet into a radio frequency signal, and transmitting the radio frequency signal to a satellite through a satellite antenna;
step 123, amplifying the radio frequency signal to obtain an amplified signal;
step 124, transmitting the amplified signal to a ground station or a relay satellite, where the ground station or the relay satellite processes the amplified signal and restores the amplified signal to an original data packet;
and step 125, transmitting the original data packet to a corresponding central node.
In the embodiment of the invention, the communication data is divided into small data packets which are easy to transmit and process, so that the efficiency and the reliability of data transmission and processing are improved; converting the data packet into a radio frequency signal so that the radio frequency signal can be transmitted between a satellite and a ground station through radio waves to realize long-distance communication; the transmission distance and coverage range of the signal can be increased by amplifying the radio frequency signal, and the reliability of the signal in a satellite communication link is improved; the amplified signals are processed and restored through the ground station or the relay satellite, so that effective transmission and restoration of the signals are realized, and the integrity of data is ensured; and the original data packet is transmitted to the central node, so that subsequent data confirmation, storage and processing are facilitated, and reliable sharing of data among the satellite network, the ground station and the central node is realized.
In a preferred embodiment of the present invention, the step 121 may include:
step 1211, serializing the communication data, and determining a rule of the communication data packet according to the network transmission condition and the communication data type;
step 1212, dividing the serialized communication data into a plurality of data packets, wherein each data packet includes a portion of the communication data and packetization information;
step 1213, header information is added to each data packet, where the header information includes a sender, a receiver, a data packet size, and a data packet sequence number.
In embodiments of the present invention, the serialization process may convert the communication data into a format that facilitates transmission in the network. Meanwhile, a packetization rule is determined according to network transmission conditions and communication data types, so that the size of a data packet is adapted to an actual transmission environment, and the data transmission efficiency is improved; dividing the communication data into a plurality of data packets is helpful to reduce the transmission delay of single data packets, and improve the reliability and parallel processing capability of data transmission. The packetization information can help recover the original communication data at the receiving end; the header information may help the receiving end identify the source and destination of the data packet, the size of the data packet, and the order of the data packets in the original communication data. The information is helpful for realizing the correct transmission and assembly of the data packet, and the reliability of the data transmission is improved. Therefore, the invention realizes the efficient, reliable and orderly transmission of the communication data in the network through the operations of serialization processing, determination of the packetization rule, division of the communication data, addition of the packet header information and the like.
In a preferred embodiment of the present invention, the step 13 may include:
step 131, performing digital signature on the original data packet to obtain a signed data packet;
step 132, broadcasting the signature data packet to a ground station or a satellite;
step 133, after receiving the broadcasted signature data packet, the ground station or satellite sends a public key corresponding to the signature data packet to decrypt the signature data packet;
step 134, if the decryption is successful, the confirmed original data packet is obtained, and if the decryption is not successful, the original data packet is tampered.
In the embodiment of the invention, the original data packet is encrypted through the digital signature, so that the integrity of the data packet and the identity authenticity of a sender can be ensured, and the safety in the data transmission process is improved; broadcasting the signature data packet to a ground station or a satellite, thereby being beneficial to realizing the rapid and efficient transmission of the data packet and improving the communication efficiency; the integrity of the data packet and the identity authenticity of the sender can be verified by decrypting the data packet with the public key, so that the risk of falsifying or forging the data packet in the transmission process is reduced; after decryption is successful, the validity of the original data packet is confirmed, the data security in the communication process is ensured, if the decryption is unsuccessful, the situation that the data packet is tampered can be rapidly found, corresponding measures are taken, and the network security is maintained; therefore, the invention realizes the safe transmission and the validity verification of the data packet in the communication process through the operations of digital signature, broadcasting signature data packet, decryption verification and the like, and improves the safety and the reliability of the communication system.
In a preferred embodiment of the present invention, the step 14 may include:
step 141, packaging the confirmed original data packet into a new transaction;
step 142, constructing a new candidate blockchain according to the packaged new transaction;
step 143, verifying and consensus the new candidate blockchain through a consensus algorithm in the blockchain network;
if consensus is reached, a new candidate blockchain is added to the blockchain to form a new data chain, step 144.
In the embodiment of the invention, the original data packet is packaged into a new transaction, so that unified data processing and management are conveniently carried out in a blockchain network, and the data security and traceability are improved. The construction of new candidate blockchains is beneficial to bringing new transactions into the blockchain network, realizing the distributed storage and sharing of data and improving the safety and stability of the whole network. The consensus algorithm can ensure that each node in the blockchain network agrees on a new candidate blockchain, improves the security and the anti-attack capability of the network, and realizes the decentralized data management. After the new candidate blockchain is added to the blockchain, the permanent record and traceability of the new transaction are realized, and the transparency and the trust degree of the whole network are improved. Therefore, the invention realizes the safe storage and management of communication data through operations such as packaging transaction, constructing candidate blockchain, consensus algorithm and the like, and improves the transparency, the trust and the safety of the communication system.
In a preferred embodiment of the present invention, the step 15 may include:
step 151, obtaining a new data chain stored on the blockchain platform;
step 152, decrypting the new data chain according to the new data chain to obtain the original communication data;
step 153, preprocessing the extracted original communication data to obtain normalized data;
step 154, analyzing the normalized data to obtain a data analysis result;
and step 155, obtaining processing data according to the data analysis result.
In the embodiment of the invention, the obtained communication data can be ensured to have integrity, authenticity and traceability by acquiring the new data chain on the blockchain platform, and the accuracy and reliability of data processing are improved. The new data chain can be decrypted to obtain the original communication data, so that the safety of the data and the effectiveness of the data in the processing process are ensured. Preprocessing the original communication data, including normalization and other operations, is beneficial to eliminating dimension differences and noise influence among the data, and improves the accuracy and stability of data processing. And analyzing the normalized data, so that potential rules and features in the data can be mined, an important basis is provided for subsequent decisions, and the value of the data is improved. The processed data can be obtained according to the data analysis result, so that information which is easy to understand and apply can be provided for a decision maker, correct decisions can be conveniently and quickly made, and the decision efficiency is improved. Therefore, the invention realizes safe acquisition, effective processing and high-value application of the communication data by the operations of acquiring a new data chain, decrypting the data chain, preprocessing the communication data, analyzing the data and the like, and improves the efficiency and the value of the communication system.
In a preferred embodiment of the present invention, after the step 16, the method may further include:
step 17, obtaining authorized nodes and/or user names and passwords;
and step 18, matching the authorized node and/or the user name and the password with the pre-stored information, if so, passing the verification, transmitting the processing data to the authorized node and/or the user, and if not, failing the verification until the verification is successful.
In the embodiment of the invention, by acquiring the authorized node and/or the user name and the password, the data after being processed can be ensured to be accessed and acquired only by the authorized node and the user, and the safety and confidentiality of the data are improved. By matching authorized nodes and/or usernames and passwords with pre-stored information, it is ensured that data is only transferred between legitimate, compliant nodes and users, preventing data leakage and abuse. In addition, such authentication mechanisms help to maintain the security and integrity of the communication system. Therefore, the invention realizes effective control and safety guarantee of data access and transmission by obtaining the authorization information, verifying the node, the user identity and other operations, and improves the safety and reliability of the communication system.
As shown in fig. 3, an embodiment of the present invention further provides a low-orbit satellite interconnection communication device 20, including:
an acquisition module 21 for acquiring communication data collected by a satellite network through satellites and ground equipment; transmitting the communication data to a central node through a satellite network;
a processing module 22, configured to acknowledge the communication data to obtain acknowledged communication data; storing the validated communication data to a blockchain platform; processing the communication data stored in the blockchain platform to obtain processed data; the process data is transmitted to authorized nodes and/or users.
Optionally, transmitting the communication data to a central node through a satellite network, including:
dividing the communication data into a plurality of data packets;
modulating the data packet into a radio frequency signal and transmitting the radio frequency signal to a satellite through a satellite antenna;
amplifying the radio frequency signal to obtain an amplified signal;
transmitting the amplified signal to a ground station or a relay satellite, and processing the amplified signal by the ground station or the relay satellite to restore the amplified signal into an original data packet;
and transmitting the original data packet to a corresponding central node.
Optionally, dividing the communication data into a plurality of data packets includes:
serializing the communication data and determining rules of communication data subpackets according to network transmission conditions and communication data types;
dividing the serialized communication data into a plurality of data packets, wherein each data packet comprises a part of communication data and packetization information;
and adding packet header information for each data packet, wherein the packet header information comprises a sender, a receiver, a data packet size and a data packet sequence number.
Optionally, the step of confirming the communication data to obtain confirmed communication data includes:
digitally signing the original data packet to obtain a signed data packet;
broadcasting the signed data packet to a ground station or satellite;
after receiving the broadcasted signature data packet, the ground station or satellite sends a public key corresponding to the signature data packet to decrypt the signature data packet;
if the decryption is successful, the confirmed original data packet is obtained, and if the decryption is unsuccessful, the original data packet is tampered.
Optionally, storing the validated communication data to the blockchain platform includes:
packaging the confirmed original data packet into a new transaction;
constructing a new candidate blockchain according to the packaged new transaction;
verifying and consensus the new candidate block chain through a consensus algorithm in the block chain network;
if consensus is reached, new candidate blockchains are added to the blockchain to form a new data chain.
Optionally, processing the communication data stored in the blockchain platform to obtain processed data includes:
acquiring a new data chain stored on a block chain platform;
decrypting the new data chain according to the new data chain to obtain original communication data;
preprocessing the extracted original communication data to obtain normalized data;
analyzing the normalized data to obtain a data analysis result;
and obtaining processing data according to the data analysis result.
Optionally, before transmitting the processing data to the authorized node and/or user, the method further comprises:
acquiring authorized nodes and/or user names and passwords;
matching the authorized node and/or user name and password with the pre-stored information, if so, passing the verification, transmitting the processing data to the authorized node and/or user, and if not, failing the verification until the verification is successful.
It should be noted that the apparatus is an apparatus corresponding to the above method, and all implementation manners in the above method embodiment are applicable to this embodiment, so that the same technical effects can be achieved.
Embodiments of the present invention also provide a computing device comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform a method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
Furthermore, it should be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. Also, the steps of performing the series of processes described above may naturally be performed in chronological order in the order of description, but are not necessarily performed in chronological order, and some steps may be performed in parallel or independently of each other. It will be appreciated by those of ordinary skill in the art that all or any of the steps or components of the methods and apparatus of the present invention may be implemented in hardware, firmware, software, or a combination thereof in any computing device (including processors, storage media, etc.) or network of computing devices, as would be apparent to one of ordinary skill in the art after reading this description of the invention.
The object of the invention can thus also be achieved by running a program or a set of programs on any computing device. The computing device may be a well-known general purpose device. The object of the invention can thus also be achieved by merely providing a program product containing program code for implementing said method or apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is apparent that the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. The steps of executing the series of processes may naturally be executed in chronological order in the order described, but are not necessarily executed in chronological order. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A method of low-orbit satellite interconnect communication, the method comprising:
acquiring communication data collected by a satellite network through satellites and ground equipment;
transmitting the communication data to a central node through a satellite network;
confirming the communication data to obtain confirmed communication data;
storing the validated communication data to a blockchain platform;
processing the communication data stored in the blockchain platform to obtain processed data;
transmitting the processing data to authorized nodes and/or users;
wherein storing the validated communication data to the blockchain platform includes:
packaging the confirmed original data packet into a new transaction;
constructing a new candidate blockchain according to the packaged new transaction, and incorporating the new transaction into a blockchain network;
verifying and consensus the new candidate blockchain through a consensus algorithm in the blockchain network, so that each node in the blockchain network agrees on the new candidate blockchain;
if consensus is reached, a new candidate blockchain is added to the blockchain to form a new data chain;
wherein processing the communication data stored in the blockchain platform to obtain processed data includes:
acquiring a new data chain stored on a block chain platform;
decrypting the new data chain according to the new data chain to obtain original communication data;
preprocessing the extracted original communication data to obtain normalized data;
analyzing the normalized data to obtain a data analysis result;
obtaining processing data according to the data analysis result;
the blockchain platform safely stores the confirmed communication data according to the characteristics of decentralization and non-falsification.
2. The method of claim 1, wherein transmitting the communication data to the central node via the satellite network comprises: dividing the communication data into a plurality of data packets;
modulating the data packet into a radio frequency signal and transmitting the radio frequency signal to a satellite through a satellite antenna;
amplifying the radio frequency signal to obtain an amplified signal;
transmitting the amplified signal to a ground station or a relay satellite, and processing the amplified signal by the ground station or the relay satellite to restore the amplified signal into an original data packet;
and transmitting the original data packet to a corresponding central node.
3. The method of claim 2, wherein dividing the communication data into a plurality of data packets comprises: serializing the communication data and determining rules of communication data subpackets according to network transmission conditions and communication data types;
dividing the serialized communication data into a plurality of data packets, wherein each data packet comprises a part of communication data and packetization information;
and adding packet header information for each data packet, wherein the packet header information comprises a sender, a receiver, a data packet size and a data packet sequence number.
4. A method of low-orbit satellite interconnect communication according to claim 3, wherein validating the communication data to obtain validated communication data comprises: digitally signing the original data packet to obtain a signed data packet;
broadcasting the signed data packet to a ground station or satellite;
after receiving the broadcasted signature data packet, the ground station or satellite sends a public key corresponding to the signature data packet to decrypt the signature data packet;
if the decryption is successful, the confirmed original data packet is obtained, and if the decryption is unsuccessful, the original data packet is tampered.
5. The method of claim 1, further comprising, prior to transmitting the processed data to the authorized node and/or user:
acquiring authorized nodes and/or user names and passwords;
matching the authorized node and/or user name and password with the pre-stored information, if so, passing the verification, transmitting the processing data to the authorized node and/or user, and if not, failing the verification until the verification is successful.
6. A low-orbit satellite interconnect communication device, comprising:
the acquisition module is used for acquiring communication data collected by a satellite network through satellites and ground equipment; transmitting the communication data to a central node through a satellite network;
the processing module is used for confirming the communication data to obtain confirmed communication data; storing the validated communication data to a blockchain platform; processing the communication data stored in the blockchain platform to obtain processed data; transmitting the processing data to authorized nodes and/or users;
wherein storing the validated communication data to the blockchain platform includes:
packaging the confirmed original data packet into a new transaction;
constructing a new candidate blockchain according to the packaged new transaction, and incorporating the new transaction into a blockchain network;
verifying and consensus the new candidate blockchain through a consensus algorithm in the blockchain network, so that each node in the blockchain network agrees on the new candidate blockchain;
if consensus is reached, a new candidate blockchain is added to the blockchain to form a new data chain;
wherein processing the communication data stored in the blockchain platform to obtain processed data includes:
acquiring a new data chain stored on a block chain platform;
decrypting the new data chain according to the new data chain to obtain original communication data;
preprocessing the extracted original communication data to obtain normalized data;
analyzing the normalized data to obtain a data analysis result;
obtaining processing data according to the data analysis result;
the blockchain platform safely stores the confirmed communication data according to the characteristics of decentralization and non-falsification.
7. A computing device, comprising:
one or more processors;
one or more processors;
storage means for storing one or more programs that when executed by the one or more processors cause the one or more processors to implement the method of any of claims 1-5.
8. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a program which, when executed by a processor, implements the method according to any of claims 1-5.
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