CN112532449A - Method for realizing selection and credible transmission of power communication slice based on 5G network - Google Patents
Method for realizing selection and credible transmission of power communication slice based on 5G network Download PDFInfo
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Abstract
The invention belongs to the technical field of power communication, and particularly relates to a method for realizing power communication slice selection and trusted transmission based on a 5G network. The invention comprises the following steps: the power terminal is registered to the 5G network; the power terminal registered to the 5G network transmits data to different 5G network slices; and carrying out selection algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding. The invention can improve the transmission reliability of relay protection data in the 5G network, so that the transmission reliability of the relay protection data in the 5G network reaches a standard far higher than 99.999%, and reduce the occurrence frequency of high time delay of transmission of power data in the 5G wireless network, so that the 5G wireless network can meet the requirements of communication between relay protection terminals on time delay and packet loss rate, thereby replacing wired communication bearing relay protection service, reducing deployment cost and operation and maintenance difficulty, improving network utilization efficiency, maximally utilizing network resources, and simultaneously improving the safe operation of power communication.
Description
Technical Field
The invention belongs to the technical field of power communication, and particularly relates to a method for realizing power communication slice selection and trusted transmission based on a 5G network.
Background
The rich vertical industry application in the 5G era brings more diversified requirements to a mobile network, the operation mode and the operation mode of core services in the power industry are changed by ultrahigh bandwidth, ultralow time delay and ultrahigh scale connection, the operation efficiency and decision intelligence level of the traditional power industry are comprehensively improved, and network slices are generated under the background. With agility and customizable capabilities, a "proprietary" network is created for different applications.
The 5G network slice is a group of mutually independent programmable resources, and can improve network functions and optimize network services. Network slices have two major characteristics: programmability, resource independence. 5G network slice integrated Software Defined Networking (SDN) and other automated technologies can flexibly provide services according to specific needs of different customers.
Therefore, an operator only needs one physical network, and 5G network slices with different functions can be provided according to application scenes of different industries. The 5G network slice has a profound influence on the development of the smart grid, and the key is how the operator provides a service model of the 5G network slice, and thus the power industry and the operator can benefit from both.
The technology used in the existing patent distribution network differential protection measurement and control device supporting 4G communication is mainly based on an optical fiber mode in the field of 4G plus line communication in the field of wireless communication, and the patent uses a 4G network to carry out communication between a relay protection terminal and a substation/main station, but because the time delay of the 4G network is too high, the communication requirement between the relay protection terminals cannot be met, and the communication can only be carried out in the original wired mode. However, the construction cost of laying the optical fiber network is high, the construction difficulty is large, the maintenance cost is high, and the optical fiber network cannot be practically used for the power distribution network side.
At present, existing patents are less specific to the characteristics of a 5G network, and reliable and efficient transmission under power communication is achieved. The difficulty of power communication is mainly reflected in that:
1. the reliability requirement is high, and the requirement on the packet loss of the network is high;
2. the network delay requirement is high, and measures such as alarming and the like can occur outside the delay range by taking the power relay protection terminal as a representative.
3. The number of devices is large, the data volume is large, and especially the data volume of the control signal on the same wireless access side is large.
The 5G network is mostly applied to power communication due to the characteristics of low delay and large bandwidth, but high delay occurs at a certain frequency due to problems of an air interface environment, a scheduling mechanism, a backhaul path and the like.
The reliability standard of the current 5G technology is 99.999%, and experiments prove that if only a common 5G network terminal is used, high time delay or packet loss of a data packet can occur every half hour on average in a part of relay protection scenes, the reliability of the communication with optical fibers is greatly different, and the requirements of relay protection terminal networks with extremely high requirements on time delay jitter cannot be met.
Meanwhile, the convergence of 5G network slices and power communication is also an urgent problem to be solved, and it is critical if slices are efficiently utilized to achieve optimal allocation. Most of the prior patent technologies only singly solve the problem of reliable transmission, and most of the technologies copy and back up a plurality of transmission data at the sacrifice of network bandwidth, so that the reliability of slicing is ensured; however, in the case of limited bandwidth and large amount of data transmitted in a unit time, a method for dynamically adjusting the priority of slice transmission matching data needs to be developed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for realizing selection and credible transmission of power communication slices based on a 5G network. The invention aims to realize the purpose of realizing the wireless communication of the power communication terminal by using a 5G network, avoiding laying a wired network such as an optical fiber and the like, reducing the construction and maintenance cost of a communication network and enabling the high-efficiency credible transmission application of the power communication.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the method for realizing the selection of the power communication slice and the credible transmission based on the 5G network comprises the following steps:
and 3, carrying out selection algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding.
Further, the step 1 of registering the power terminal to the 5G network includes:
the 5G communication module preprocessing module and the slice selection device are arranged between the power transmitting terminal and the receiving terminal.
Further, the step 2 of sending data to different 5G network slices by the power terminal registered in the 5G network includes:
the method comprises the following steps that A.N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and data priority ordering is carried out;
and B.5G communication module preprocessing module corresponds the determined M-X slice priority to the terminal data priority one by one, and assigns each data packet to a corresponding slice.
Further, the step 2 of sending data to different 5G network slices by the power terminal registered in the 5G network specifically includes:
a group of N power terminals which have approximately the same functions, are accessed to the same wireless side and can simultaneously transmit data at the same time are distributed in advance, the N power terminals correspond to a pair of 5G communication module preprocessing modules, the pair of 5G communication module preprocessing modules correspond to a slice selection device, the network is divided into M5G power slices with the same bandwidth by the slice selection device, M is larger than N, and the number of the slices is larger than the number of the power terminals.
Further, the step 3 of performing algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding includes:
the N power terminals send data packets to the 5G communication module preprocessing module 1, the 5G communication module preprocessing module 1 stores data sent by the power terminals in a short time, rapidly analyzes priority identifiers contained in the data packets, sorts and arranges the data in order of priority, and transmits the data according to the priority order of the slicing rate fed back by the slicing selection device 2, namely the data with high priority and high slicing rate of the selected group; the 5G communication module preprocessing module 1 has 5G communication capability, capability of analyzing data, identifying data priority and distributing data corresponding to slices.
Further, the flow of the slice rate priority order includes the following steps:
the method comprises the following steps that 1, N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and the sorted data are provided with priority sequence labels;
step 2.5G, the communication module preprocessing module performs data priority sequencing according to the data tags;
step 3.5G, the preprocessing module of the communication module generates a section of sample data according to the sorting result and copies M parts of the sample data;
step 4, the M sample data are respectively and correspondingly transmitted to a 5G communication module preprocessing module of a receiving end through M5G power slices through the 5G communication module preprocessing module one by one, and a slice selection device automatically generates a slice ID identification number for the 5G power slices when each 5G power slice transmits data;
step 5, a 5G communication module preprocessing module at the receiving end corresponds the determined M-X slice priority to the power terminal data priority one by one, and each data packet is assigned to a corresponding slice;
step 6, a preprocessing module of a 5G communication module at the receiving end sorts the received sample data transmitted by different slices from high to low according to the receiving time, and identifies a timestamp of the data packet from the transmitting end; if the time delay allowed range T is exceeded, the slice is automatically discarded, the slice with the packet loss is also discarded and used, and the M-X slice without the packet loss is allowed to determine the sequence in the time delay;
step 7, the receiving end 5G communication module preprocessing module returns the slicing sequence of the sample data transmission to the sending end 5G communication module preprocessing module, and the transmission rate priority of the 5G power slices under the group of network slices is determined according to the slicing sequence;
and 8, returning to the step 2 after the interval time elapses, repeating the above operation, re-determining the priority sequence of the 5G power slice, and updating and sending the updated priority sequence to the receiving end 5G communication module preprocessing module.
Further, the interval time is customized according to the transmission condition of the data volume of the terminal.
Further, in the step 3, the 5G communication module preprocessing module generates a segment of sample data according to the sorting result, and copies M pieces of sample data, specifically, generates a segment of sample data every preset interval of time at the 5G communication module preprocessing module, and automatically copies M pieces of sample data, that is, the number of slices divided by the slice selecting device.
A computer storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the steps of implementing the power communication slice selection and trusted transmission method based on a 5G network.
The invention has the following beneficial effects and advantages:
the invention relates to a technology for realizing high-reliability relay protection data transmission by using a 5G wireless network. By the technology, the transmission reliability of the relay protection data in the 5G network can be improved, and the relay protection data can reach a standard far higher than 99.999%, so that the high time delay occurrence frequency of the transmission of the power data in the 5G wireless network is reduced, the 5G wireless network can meet the requirements of communication between relay protection terminals on time delay and packet loss rate, and the relay protection service is borne instead of wired communication.
The invention utilizes the technology of realizing the selection and the credible transmission of the power communication slice based on the 5G network, and the technology can realize the autonomous optimization selection matching and the transmission reliability of the power communication data under the 5G network slice.
The invention applies the latest 5G technology, and can improve the communication reliability of the optimal matching of the selection and distribution of the 5G network slices, so that the communication system can bear the high-bandwidth, low-delay and high-reliability communication requirements among the power terminals, realize the bearing of the power communication protection service by using the wireless network, reduce the deployment cost and the operation and maintenance difficulty, improve the network utilization efficiency, maximally utilize the network resources, and improve the safe operation of the power communication.
The invention improves the utilization efficiency of the power communication network resources, ensures the communication reliability, can realize the selection and the directional forwarding of the slices of the data packets according to the required priority, dynamically adjusts the optimization, does not reduce the use efficiency of the network resources and ensures the network transmission reliability.
The invention firstly proposes that the 5G wireless network slice is used in the electric power communication scene with extremely high requirement on network delay, and provides a solution for reducing the instability of the 5G wireless network delay, so that the stability of the 5G wireless network can achieve the effect close to that of a wired network, the purpose of replacing the wired network by the wireless network is realized, and meanwhile, the invention hardly changes the software and hardware structure of the main body part of the existing electric power equipment, and reduces the research, development and deployment cost.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of the principles and data processing of the present invention;
fig. 2 is a block diagram of the implementation flow of the slicing rate priority order in the present invention.
In the figure:
5G communication module preprocessing module 1, section selection device 2.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The solution of some embodiments of the invention is described below with reference to fig. 1-2.
Example 1
The method is realized by combining the preprocessing module and the slice selection device, and software and hardware of the power terminal device do not need to be changed like a common relay protection terminal. The 5G communication module preprocessing module is used for carrying the 5G communication module and related processing algorithms in pairs at a sending terminal and a receiving terminal, receiving transmission data of the power terminal at the sending terminal, receiving data transmitted by slices at the receiving terminal and sending the data to the receiving terminal, wherein the data is sent to the power relay protection terminal or the power communication master station in the prior art. The slice addressing device mainly performs selection processing work of network slices.
The method for realizing the selection and the credible transmission of the power communication slice based on the 5G network specifically comprises the following steps:
and 3, carrying out selection algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding.
The principle and the data processing flow of the invention comprise the following steps:
further, the step 1 of registering the power terminal to the 5G network includes:
the 5G communication module preprocessing module 1 and the slice selection device 2 are arranged between the power transmission terminal and the receiving terminal.
Because the power relay protection terminal is sensitive to time delay, and a plurality of terminals can send data at the same time, the priorities of the terminals are not aligned, and the method for efficiently allocating the network slice resources is provided on the premise of guaranteeing the network reliability under the condition of limited network resources. For the problems of air interface environment, scheduling mechanism, return path, too high load and the like which may occur in a 5G network, when the network slices transmit data according to fixed distribution in a one-to-one correspondence manner, the slice has a problem once, and the problem of transmission packet loss or high delay is caused, great influence is brought.
Further, the step 2 of sending the data to different 5G network slices by the power terminal registered in the 5G network includes:
the specific process that the power terminal sends the data packet to the 5G communication module preprocessing module comprises the following steps:
the method comprises the following steps that A.N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and data priority ordering is carried out;
B.5G communication module preprocessing module corresponds the determined M-X slice priority to the terminal data priority one by one, and assigns each data packet to a corresponding slice;
during specific implementation, a group of N power terminals which have approximately the same functions, are accessed to the same wireless side and can simultaneously transmit data at the same time are distributed in advance, the N power terminals correspond to a pair of 5G communication module preprocessing modules 1, the pair of 5G communication module preprocessing modules 1 correspond to a slice selecting device 2, and a slice selecting device 2 can divide a network into M5G power slices with the same bandwidth, wherein generally M is larger than N, namely the number of the slices is larger than the number of the power terminals.
Further, in step 3, the selecting algorithm matching is performed on the slices at the receiving end according to the type of the data packet until receiving or discarding, including:
the N power terminals send data packets to the 5G communication module preprocessing module 1, the 5G communication module preprocessing module 1 stores data sent by the power terminals in a short time, rapidly analyzes priority identifiers contained in the data packets, sorts and arranges the data in order of priority, and transmits the data according to the priority order of the slicing rate fed back by the slicing selection device 2, namely the data with high priority and high slicing rate of the selected group. The 5G communication module preprocessing module 1 has 5G communication capability, capability of analyzing data, identifying data priority and distributing data corresponding to slices.
Fig. 2 is a block diagram illustrating the implementation flow of the slicing rate priority order according to the present invention. The implementation process of the slice rate priority order comprises the following steps:
the method comprises the following steps that 1, N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and the sorted data are provided with priority sequence labels;
step 2.5G, the communication module preprocessing module performs data priority sequencing according to the data tags;
step 3.5G, the preprocessing module of the communication module generates a section of sample data according to the sorting result and copies M parts of the sample data; specifically, a 5G communication module preprocessing module presets that a section of sample data is generated at intervals, and M parts of sample data, namely the number of slices divided by a slice selection device, are automatically copied; the interval period is customized according to the transmission conditions such as terminal data volume.
Step 4, the M sample data are respectively and correspondingly transmitted to a 5G communication module preprocessing module of a receiving end through M5G power slices through the 5G communication module preprocessing module one by one, and when each 5G power slice transmits data, a slice selection device automatically generates a slice ID identification number for the 5G power slice, and the slice ID identification number is used for identifying a slice unique identification;
and 5, enabling a 5G communication module preprocessing module at the receiving end to correspond the determined M-X slice priority levels to the power terminal data priority levels one by one, and assigning each data packet to a corresponding slice.
Step 6, a 5G communication module preprocessing module at a receiving end sorts received sample data transmitted by different slices from high to low according to receiving time, identifies a timestamp of a data packet from a transmitting end, automatically discards the slice if the timestamp exceeds a preset time delay allowable range T, discards the slice if packet loss occurs, and determines an order of M-X slices which do not lose the packet if the time delay allows the slice to be discarded;
step 7, the receiving end 5G communication module preprocessing module returns the slicing sequence of the sample data transmission to the sending end 5G communication module preprocessing module, and the transmission rate priority of the 5G power slices under the group of network slices is determined according to the slicing sequence;
and 8, returning to the step 2 after the interval time elapses, repeating the above operation, re-determining the priority sequence of the 5G power slice, and updating and sending the updated priority sequence to the receiving end 5G communication module preprocessing module.
Example 2
Based on the same inventive concept, an embodiment of the present invention further provides a computer storage medium, where a computer program is stored on the computer storage medium, and when the computer program is executed by a processor, the steps of implementing the method for selecting a power communication slice and performing trusted transmission based on a 5G network according to embodiment 1 are implemented.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (9)
1. The method for realizing the selection of the power communication slice and the credible transmission based on the 5G network is characterized by comprising the following steps: the method comprises the following steps:
step 1, registering the power terminal to a 5G network;
step 2, the power terminal registered to the 5G network sends data to different 5G network slices;
and 3, carrying out selection algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding.
2. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network according to claim 1, wherein the method comprises the following steps: in step 1, the power terminal is registered to a 5G network, and the method includes:
the 5G communication module preprocessing module and the slice selection device are arranged between the power transmitting terminal and the receiving terminal.
3. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network according to claim 1, wherein the method comprises the following steps: the step 2 of sending data to different 5G network slices by the power terminal registered in the 5G network includes:
the method comprises the following steps that A.N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and data priority ordering is carried out;
and B.5G communication module preprocessing module corresponds the determined M-X slice priority to the terminal data priority one by one, and assigns each data packet to a corresponding slice.
4. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network according to claim 1, wherein the method comprises the following steps: the step 2 of sending the data to different 5G network slices by the power terminal registered in the 5G network specifically includes:
a group of N power terminals which have approximately the same functions, are accessed to the same wireless side and can simultaneously transmit data at the same time are distributed in advance, the N power terminals correspond to a pair of 5G communication module preprocessing modules, the pair of 5G communication module preprocessing modules correspond to a slice selection device, the network is divided into M5G power slices with the same bandwidth by the slice selection device, M is larger than N, and the number of the slices is larger than the number of the power terminals.
5. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network according to claim 1, wherein the method comprises the following steps: in step 3, performing algorithm matching on the slices at the receiving end according to the type of the data packet until receiving or discarding, including:
the N power terminals send data packets to the 5G communication module preprocessing module 1, the 5G communication module preprocessing module 1 stores data sent by the power terminals in a short time, rapidly analyzes priority identifiers contained in the data packets, sorts and arranges the data in order of priority, and transmits the data according to the priority order of the slicing rate fed back by the slicing selection device 2, namely the data with high priority and high slicing rate of the selected group; the 5G communication module preprocessing module 1 has 5G communication capability, capability of analyzing data, identifying data priority and distributing data corresponding to slices.
6. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network according to claim 5, wherein the method comprises the following steps: the flow of the slice rate priority order comprises the following steps:
the method comprises the following steps that 1, N power terminals receive collected data and then send the collected data to a 5G communication module preprocessing module, and the sorted data are provided with priority sequence labels;
step 2.5G, the communication module preprocessing module performs data priority sequencing according to the data tags;
step 3.5G, the preprocessing module of the communication module generates a section of sample data according to the sorting result and copies M parts of the sample data;
step 4, the M sample data are respectively and correspondingly transmitted to a 5G communication module preprocessing module of a receiving end through M5G power slices through the 5G communication module preprocessing module one by one, and a slice selection device automatically generates a slice ID identification number for the 5G power slices when each 5G power slice transmits data;
step 5, a 5G communication module preprocessing module at the receiving end corresponds the determined M-X slice priority to the power terminal data priority one by one, and each data packet is assigned to a corresponding slice;
step 6, a preprocessing module of a 5G communication module at the receiving end sorts the received sample data transmitted by different slices from high to low according to the receiving time, and identifies a timestamp of the data packet from the transmitting end; if the time delay allowed range T is exceeded, the slice is automatically discarded, the slice with the packet loss is also discarded and used, and the M-X slice without the packet loss is allowed to determine the sequence in the time delay;
step 7, the receiving end 5G communication module preprocessing module returns the slicing sequence of the sample data transmission to the sending end 5G communication module preprocessing module, and the transmission rate priority of the 5G power slices under the group of network slices is determined according to the slicing sequence;
and 8, returning to the step 2 after the interval time elapses, repeating the above operation, re-determining the priority sequence of the 5G power slice, and updating and sending the updated priority sequence to the receiving end 5G communication module preprocessing module.
7. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network as claimed in claim 6, wherein: the interval time is self-defined according to the transmission condition of the data volume of the terminal.
8. The method for realizing selection of the power communication slice and the trusted transmission based on the 5G network as claimed in claim 6, wherein: and in the step 3, the 5G communication module preprocessing module generates a section of sample data according to the sequencing result and copies M parts of the sample data, specifically, the 5G communication module preprocessing module generates a section of sample data at a preset interval of time and automatically copies the sample data into M parts of sample data, namely the number of the slices divided by the slice selecting device.
9. A computer storage medium, characterized by: the computer storage medium has stored thereon a computer program that, when executed by a processor, implements the steps of the method for implementing power communication slice selection and trusted transmission based on a 5G network of claims 1-8.
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| CN113395169A (en) * | 2021-04-21 | 2021-09-14 | 深圳供电局有限公司 | 5g network slicing method for smart power grid |
| CN114143833A (en) * | 2021-10-29 | 2022-03-04 | 北京励图锐新科技有限公司 | Data slice transmission method |
| CN114579657A (en) * | 2022-05-09 | 2022-06-03 | 浙江九州云信息科技有限公司 | Vehicle-road cooperation-based v2x edge cloud control method and system |
| CN115604357A (en) * | 2022-08-31 | 2023-01-13 | 云南电网有限责任公司（Cn） | Heterogeneous integration networking communication management and control system for power transmission line |
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