CN113347625B - Data transmission method and system for smart campus construction based on 5G edge calculation - Google Patents
Data transmission method and system for smart campus construction based on 5G edge calculation Download PDFInfo
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- CN113347625B CN113347625B CN202110626637.1A CN202110626637A CN113347625B CN 113347625 B CN113347625 B CN 113347625B CN 202110626637 A CN202110626637 A CN 202110626637A CN 113347625 B CN113347625 B CN 113347625B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
- G06Q50/205—Education administration or guidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- 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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
- H04L9/3249—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using RSA or related signature schemes, e.g. Rabin scheme
Abstract
The invention relates to a data transmission method and a data transmission system for smart campus construction based on 5G edge computing, wherein the data transmission method and the data transmission system comprise a plurality of communication nodes divided according to campus units, each communication node comprises a student status management system module for collecting student status information, an electronic class board system module for displaying classroom information and a library system module for collecting library information, the communication nodes are communicated with a central machine room arranged by an education bureau through a regional education metropolitan area network, the central machine room comprises an edge computing system, and the edge computing system is used for receiving and processing data sent by the communication nodes and storing the processed data in the school into the central machine room. According to the invention, the 5G edge calculation and the Beidou satellite navigation positioning system are combined to shorten the access response time and improve the data access efficiency. The private key is sent by the Beidou satellite navigation and positioning system, and the public key is sent by the bare optical fiber on the ground, so that the safety of campus data can be ensured.
Description
Technical Field
The invention relates to the technical field of smart campus communication, in particular to a data transmission method and system for smart campus construction based on 5G edge computing.
Background
The digital campus covers all schools to realize the educational informatization, and the smart campus is the inevitable result of the digital campus covering all schools from the application perspective.
In the prior art, network nodes are arranged in an education office, and schools access the network nodes of the education office through a special line of an operator. The educational bureau provides resources for the teacher to access through the internal network. The common access data comprises the student status information, the electronic shift information and the library data retrieval access requirements. The educational bureau becomes a bottleneck for accessing the whole network due to the limitation of bandwidth and the requirement of legal compliance of access, which causes the problem that the access of the above three types of data is slow. How to improve the efficiency of data access and reduce the access response time is a focus of attention in the industry.
Disclosure of Invention
The invention aims to solve at least one of the defects of the prior art and provides a data transmission method and a data transmission system for smart campus construction based on 5G edge calculation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the data transmission system for the smart campus construction based on 5G edge calculation comprises a plurality of communication nodes divided according to campus units, wherein each communication node comprises a student status management system module for collecting student status information, an electronic class board system module for displaying classroom information and a library system module for collecting library information,
the communication node is communicated with a central machine room arranged by an education bureau through a district education metropolitan area network, the central machine room comprises an edge computing system, and the edge computing system is used for receiving and processing data sent by the communication node and storing the processed data into the central machine room.
Further, the network topology of the data transmission system is specifically that the wireless AP is used as an access point of the wireless network, the wireless AP is in communication connection with an access switch, the access switch is accessed to a core switch, the core switch is connected with a wireless controller and sends information to a gateway information acquisition terminal, meanwhile, the core switch also sends the information to a district education metropolitan area network through a UTM virtual machine, and the district education metropolitan area network sends the information to a comprehensive network management platform server of a central machine room and a metropolitan area network monitoring center through a LAN port.
Further, the data transmission system further comprises,
data encryption transmission device, data encryption transmission device set up in the communication node, data encryption transmission device includes RSA key generation module and key transmission device, RSA key generation module is used for generating interrelated public key and private key, key transmission device be used for with the public key passes through bare fiber and transmits extremely edge computing system, and will private key and the data after encrypting send to through big dipper satellite edge computing system, edge computing system is in when public key and private key match, it is right data decrypt and save to central computer lab in the school.
The invention also provides a data transmission method for intelligent campus construction based on 5G edge calculation, which comprises the following steps,
dividing communication nodes by taking a campus as a unit, sending a communication request by the communication nodes, and sending in-campus data to a receiving end of an edge computing system through a short message system of Beidou satellite navigation;
and the edge computing system sends the school internal data to an education office intranet through an intranet route.
Further, the method further comprises the steps that the data encryption transmission device can also generate a private key and a public key, the public key is sent to the education bureau internal network, when the communication node sends a communication request, the school internal data to be sent by the communication node can be encrypted, the encrypted school internal data is sent to the education bureau internal network with the private key, and the school internal data is decrypted only if the public key is matched with the private key.
Further, the school data specifically includes related data from the school attendance management system module, the electronic class card system module and the library system module, wherein,
the relevant data of the student status management system module is collected through an SQL database and then is gathered to a 5G edge computing system of an education office, and then the relevant data is transmitted to the education office according to a preset strategy;
the relevant data of the electronic class board system module is collected through an SQL database and then gathered to a 5G edge computing system of an education bureau, and then the relevant data is transmitted to the education bureau according to a preset strategy;
and the relevant data of the library system module is collected through an SQL database, then is gathered to a 5G edge computing system of an education office, and is transmitted to the education office according to a preset strategy or through bare optical fibers, whether a branch school exists in a campus associated with the communication node is judged when the education office receives the relevant data, and if yes, the relevant data is sent to the communication node associated with the branch school.
Further, the school data are recorded according to the following rule that the total word number does not exceed a first threshold value and each complete message is separated by a space character.
The invention has the beneficial effects that:
according to the technical scheme, a set of 5G edge computing system is deployed in an education department, all accesses do not pass through a metropolitan area network, but directly access the 5G edge computing system of the education department, and all schools are connected with the education department through bare optical fibers. The deployment mode directly solves the pain point problem of slow network response and long response time caused by the traditional routing mode. Meanwhile, the invention designs a data encryption transmission device. The RSA key generation modules of schools in each area generate public keys and private keys, and the method is different from the traditional encryption method. The public key and the private key are paired in the education bureau, so that data can be decrypted and then input, and the safety of campus data can be ensured.
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The foregoing and other features of the present disclosure will become more apparent from the detailed description of the embodiments shown in conjunction with the drawings in which like reference characters designate the same or similar elements throughout the several views, and it is apparent that the drawings in the following description are merely some examples of the present disclosure and that other drawings may be derived therefrom by those skilled in the art without the benefit of any inventive faculty, and in which:
FIG. 1 is a schematic diagram of a data system for smart campus construction based on 5G edge computing;
FIG. 2 is a topology diagram of a data transmission system constructed in a smart campus based on 5G edge computing;
fig. 3 is a flowchart of a data transmission method for smart campus construction based on 5G edge computing.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
Referring to fig. 1, in embodiment 1, the present invention provides a data system for building a smart campus based on 5G edge computing, including a plurality of communication nodes divided according to campus units, where the communication nodes include a student status management system module for collecting student status information, an electronic class board system module for displaying classroom information, and a library system module for collecting library information,
the communication nodes communicate with a central machine room arranged by an education bureau through a district education metropolitan area network, the central machine room comprises an edge computing system, and the edge computing system is used for receiving and processing data sent by the communication nodes and storing the processed data in the school into the central machine room.
As a preferred embodiment of the present invention, the network topology of the data transmission system is specifically that the wireless AP is used as an access point of the wireless network, the wireless AP is in communication connection with an access switch, the access switch is accessed to a core switch, the core switch is connected to a wireless controller and sends information to a gateway information acquisition terminal, the core switch also sends information to a regional education metropolitan area network through a UTM virtual machine, and the regional education metropolitan area network sends the information to a comprehensive network management platform server of a central machine room and a metropolitan area network monitoring center through a LAN port.
In the existing scheme, campus data transmission is performed by routing to a 4G core network through a private line of an operator and a metropolitan area network, all school networks are converged to a regional education bureau, and the regional education bureau is converged to a city education bureau through the private line. The district education bureau becomes the bottleneck of network access. According to the technical scheme, a set of 5G edge computing system is deployed in the district education bureau, all accesses do not pass through a metropolitan area network, but directly access the 5G edge computing system of the district education bureau, and all schools are connected with the district education bureau through bare optical fibers. The deployment mode directly solves the pain point problem of slow network response and long response time caused by the traditional routing mode. Meanwhile, the invention designs a data encryption transmission device. The private key is sent from the sky through short message communication of a Beidou satellite navigation and positioning system, and the public key is sent through bare optical fibers on the ground. The public key and the private key are paired and then data are decrypted and then recorded.
Referring to fig. 2, as a preferred embodiment of the present invention, the data transmission system further includes,
data encryption transmission device, data encryption transmission device set up in the communication node, data encryption transmission device includes RSA key generation module and key transmission device, RSA key generation module is used for generating interrelated public key and private key, key transmission device be used for with the public key passes through bare fiber and transmits extremely edge computing system, and will private key and the data after encrypting send to through big dipper satellite edge computing system, edge computing system is in when public key and private key match, it is right data decrypt and save to central computer lab in the school.
Referring to fig. 3, the present invention further provides a data transmission method for smart campus construction based on 5G edge computing, including the following,
step 110, dividing communication nodes by taking a campus as a unit, sending a communication request by the communication nodes, and sending in-campus data to a receiving end of an edge computing system through a short message system of Beidou satellite navigation;
and step 120, the edge computing system sends the school internal data to an education office intranet through an intranet route.
As a preferred embodiment of the present invention, the method further includes that the data encryption transmission device further generates a private key and a public key, the public key is sent to the education office network, when the communication node sends a communication request, the data to be sent in the school of the communication node is encrypted, the encrypted data in the school is sent to the education office network together with the private key, and the data in the school is decrypted only if the public key is matched with the private key.
As a preferred embodiment of the present invention, the school data specifically includes related data from the school attendance management system module, the electronic class board system module and the library system module, wherein,
the relevant data of the student status management system module is collected through an SQL database and then is gathered to a 5G edge computing system of an education bureau, and then the relevant data is transmitted to the education bureau according to a preset strategy;
the related data of the electronic class board system module is collected through an SQL database and then is gathered to a 5G edge computing system of an education bureau, and then the related data is transmitted to the education bureau according to a preset strategy;
and the relevant data of the library system module is collected through an SQL database, then is gathered to a 5G edge computing system of an education office, and is transmitted to the education office according to a preset strategy or through bare optical fibers, whether a branch school exists in a campus associated with the communication node is judged when the education office receives the relevant data, and if yes, the relevant data is sent to the communication node associated with the branch school.
As a preferred embodiment of the present invention, the campus data is entered according to the rule that the total word count does not exceed the first threshold value and each complete message is separated by a space character.
In particular, in practice,
student status management system module based on short message of 5G and Beidou satellite navigation and positioning system
Student status information not exceeding 1000 words is recorded by using the spreadsheet, and the student status information is sent to a receiving end of the edge computing system point to point by using a short message system of Beidou satellite navigation. An edge computing system is deployed in a regional education local and then the intranet is routed to the education office intranet. The problem of low access speed of a private network of a private line is solved by combining the Beidou and an edge computing system. Student status information is entered in the electronic form, and the entered student status information is embodied and defined in the Beidou bottom layer in a text form as follows: the name and identity card number and gender are native to the teacher comment of the national school name grade of the place of birth age; each field is separated by a space.
And after being summarized by an SQL database, the school data collected by the district school are converged to a 5G edge computing system of the district education bureau through a bare optical fiber and are transmitted to the city education bureau according to a strategy.
The RSA secret key generation module generates a public key and a private key, the private key is sent to an education bureau through the Beidou satellite navigation positioning system, and the public key is sent to the education bureau through the bare optical fiber and is decrypted and recorded in the system.
Electronic shift board system module based on 5G and Beidou satellite navigation and positioning system
The client is transformed into an electronic class board system control machine to send Beidou short messages to an electronic class board (client) to display class board information in real time. And sending information to the electronic class board according to the predefined field to display the class board information in real time. Each field is separated by a space and defined as follows: the teacher in any class is the class in the second class. For example:
yangshao is contained in the second class in the afternoon at the end of 4 years in the east road primary school for sports, 2 classes. And (5) data encryption transmission.
The electronic class board information collected by the district-affiliated schools is collected by an SQL database and then collected to a 5G edge computing system of the district education bureau through bare optical fibers to be transmitted to the city education bureau according to strategies.
The RSA secret key generation module generates a public key and a private key, the private key is sent to an education bureau through the Beidou satellite navigation positioning system, and the public key is sent to the education bureau through the bare optical fiber and is decrypted and recorded in the system.
Library system module based on 5G and Beidou satellite navigation and positioning system
A control machine is installed in the main school zone, and clients are installed in the libraries of the branch school zones. The sub-school zone transmits information to the library retrieval system of the main school zone point to point by using the Beidou short message. And the control machine of the main school zone returns the retrieval result to the client to complete the retrieval. Each field is separated by a space and defined as follows: name retrieval people school number predicts whether the time period of the library is a loan returning date or not.
Library information collected by the main school district is collected by an SQL database and then is collected to a 5G edge computing system of the district education bureau through bare optical fibers to be transmitted to the branch school district according to strategies, and meanwhile, the library information can also be transmitted to the city education bureau through the bare optical fibers.
The RSA secret key generation module generates a public key and a private key, the private key is sent to an education bureau through the Beidou satellite navigation positioning system, and the public key is sent to the education bureau through the bare optical fiber and is decrypted and recorded in the system.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the above-described method embodiments when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
While the present invention has been described in considerable detail and with particular reference to several of these embodiments, it is not intended to be limited to any such details or embodiments or any particular embodiment, but rather it is to be construed as effectively covering the intended scope of the invention by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications thereto.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (4)
1. The data transmission system for smart campus construction based on 5G edge computing is characterized by comprising a plurality of communication nodes divided according to campus units, wherein each communication node comprises a student status management system module for acquiring student status information, an electronic class board system module for displaying classroom information and a library system module for acquiring library information,
the communication node is communicated with a central machine room arranged by an education bureau through a district education metropolitan area network, the central machine room comprises an edge computing system, and the edge computing system is used for receiving and processing data sent by the communication node and storing the processed data into the central machine room;
the data transmission system further comprises a data transmission unit,
data encryption transmission device, data encryption transmission device set up in the communication node, data encryption transmission device includes RSA key generation module and key transmission device, RSA key generation module is used for generating interrelated public key and private key, key transmission device be used for with the public key passes through bare fiber and transmits extremely edge computing system, and will private key and the data after encrypting send to through big dipper satellite edge computing system, edge computing system is in when public key and private key match, data decipher and store to central computer lab in the school.
2. The data transmission system for intelligent campus construction based on 5G edge computing as claimed in claim 1, wherein the network topology of the data transmission system is specifically that the wireless AP is used as an access point of a wireless network, the wireless AP is communicatively connected to an access switch, the access switch is connected to a core switch, the core switch is connected to a wireless controller and transmits information to a gateway information collection terminal, and meanwhile, the core switch further transmits information to a district education metropolitan area network through a UTM virtual machine, and the district education metropolitan area network transmits the information to a comprehensive network management platform server of a central computer room and a metropolitan area network monitoring center through a LAN port.
3. A data transmission method for smart campus construction based on 5G edge calculation is characterized by comprising the following steps: including the following,
dividing communication nodes by taking a campus as a unit, sending a communication request by the communication nodes, and sending in-campus data to a receiving end of an edge computing system through a short message system of Beidou satellite navigation;
the edge computing system sends the school data to an education office intranet through an intranet route;
the school data specifically includes relevant data from the school attendance management system module, the electronic class card system module and the library system module, wherein,
the relevant data of the student status management system module is collected through an SQL database and then is gathered to a 5G edge computing system of an education office, and then the relevant data is transmitted to the education office according to a preset strategy;
the related data of the electronic class board system module is collected through an SQL database and then is gathered to a 5G edge computing system of an education bureau, and then the related data is transmitted to the education bureau according to a preset strategy;
relevant data of the library system module is collected through an SQL database and then gathered to a 5G edge computing system of an education office, and then is transmitted to the education office according to a preset strategy or through bare optical fibers, when the education office receives the relevant data, whether a branch school exists in a campus associated with the communication node or not is judged, and if yes, the relevant data are sent to the communication node associated with the branch school;
the method further comprises the steps that the data encryption transmission device can also generate a private key and a public key, the public key is sent to the education office network, when the communication node sends a communication request, the school data to be sent of the communication node are encrypted, the encrypted school data are sent to the education office network together with the private key, and the school data are decrypted only if the public key is matched with the private key.
4. The method of claim 3, wherein the campus data entry is based on the rule that the total word number does not exceed the first threshold and each complete message is separated by a space character.
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