CN110611910B - Wireless side network isolation method and system in heterogeneous communication private network system - Google Patents
Wireless side network isolation method and system in heterogeneous communication private network system Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L63/00—Network architectures or network communication protocols for network security
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Abstract
The invention discloses a wireless side network isolation method in a heterogeneous communication private network system, which comprises the steps of responding to service allocation, and allocating service wireless resources to each area network according to a preset proportion; and responding to the service terminal to access the regional network preferentially, and scheduling the service wireless resource distributed by the regional network. Corresponding systems are also disclosed. The invention distributes the service wireless resources to each regional network according to the preset proportion, the service terminal accesses the regional network preferentially, and the service wireless resources distributed by the connected regional network are scheduled, thereby effectively realizing the isolation of wireless side resources.
Description
Technical Field
The invention relates to a wireless side network isolation method and system in a heterogeneous communication private network system, and belongs to the technical field of network isolation.
Background
LTE technology has been successfully commercialized in public mobile communication networks for many years. In recent years, with the penetration of informatization into industry, industry users have increasingly demanded wireless communication technology. Such as government communications, public security communications, rail traffic-to-land communications, power business communications, etc., all require wireless and mobile communications networks to fulfill the communications needs of the respective industries. The various industries have different requirements on the functions, performances, safety and isolation of the communication network, so that professional networks for different industries are generated. Because of good technical maturity and complete industry chain, the fourth generation wireless communication technology based on the LTE technology is the first choice technology for industry users to build a special network, including the power industry.
In the process of establishing and completing the electric power service, heterogeneous systems such as public network-private network-service and the like are required to be traversed, and meanwhile, the differentiated safety requirements of various bearing networks and electric power service types are required to be met. Thus, the power monitoring system establishes several protection principles: secure zoning, network specific, lateral quarantine, longitudinal authentication. In the multiple protection principle of the power monitoring system, the transverse isolation requires a plurality of transverse defense lines from the external Internet to the control system, so that the purpose of special private network for different large-scale services is achieved. In this context, the wireless side network and the core network in the power wireless private network communication system in fig. 1 also need to be safely isolated to achieve mutual isolation between the power traffic of the production control area and the control traffic of the management information area, but no corresponding isolation method exists at present.
Disclosure of Invention
The invention provides a wireless side network isolation method and system in a heterogeneous communication private network system, which solve the problems disclosed in the background art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a wireless side network isolation method in a heterogeneous communication private network system comprises the steps of,
responding to service allocation, and allocating service wireless resources to each area network according to a preset proportion;
and responding to the service terminal to access the regional network preferentially, and scheduling the service wireless resource distributed by the regional network.
And broadcasting PLMN codes of the area networks to service terminals in response to the service allocation.
All PLMN codes are stored in a PLMN list, which is added to the system message for broadcasting.
In response to the system being an LTE-G230 MHz power wireless communication system, the PLMN list is added to the SIB/MIB message broadcast.
In response to the system being either an IoT-G230 MHz power wireless communication system or an LTE-G1800 MHz power wireless communication system, the PLMN list is added to the SIB1 message for broadcast.
The service terminal access comprises automatic access and manual access, wherein the automatic access is access to the regional network according to preset priority, the priority of the regional network where the service terminal is positioned is highest, and the manual access is manual selection of the regional network access.
And responding to the fact that the service terminal cannot access the regional network, and accessing the regional network with the lower priority.
A wireless side network isolation system in a heterogeneous communication private network system, comprising,
the distribution module: responding to service allocation, and allocating service wireless resources to each area network according to a preset proportion;
and a scheduling module: and responding to the service terminal to access the regional network preferentially, and scheduling the service wireless resource distributed by the regional network.
A computer readable storage medium storing one or more programs, characterized by: the one or more programs include instructions, which when executed by a computing device, cause the computing device to perform a wireless-side network isolation method in a heterogeneous communication private network system.
A computing device comprising one or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing a wireless-side network isolation method in a heterogeneous communication private network system.
The invention has the beneficial effects that: 1. the invention distributes the service wireless resources to each regional network according to the preset proportion, the service terminal accesses the regional network preferentially, and schedules the service wireless resources distributed by the connected regional network, thereby effectively realizing the isolation of wireless side resources; 2. according to the invention, different areas correspond to different PLMN codes, so that logic isolation is effectively realized.
Drawings
FIG. 1 is a block diagram of a heterogeneous communication private network system;
FIG. 2 is a flow chart of example 1;
FIG. 3 is a flow chart of example 2;
fig. 4 is a flowchart of example 8.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 2, the wireless side network isolation method in the heterogeneous communication private network system includes the following steps:
and step 1, in response to service allocation, allocating the service wireless resources to each regional network according to a preset proportion, namely allocating the service wireless resources to the large-area network according to the preset proportion.
The base station allocates service wireless resources, the preset allocation proportion is determined according to the quantity of the transmission data of the large-area network, the service wireless resources of the area network with large transmission data quantity are more, and the service wireless resources of the area network with small transmission data quantity are less; the dispensing ratio needs to be set and adjusted according to the actual situation.
And 2, responding to the service terminal to access the local area network preferentially, and scheduling the service wireless resource distributed by the local area network.
The service terminal accesses the local area network preferentially, and after accessing, the service wireless resource distributed by the local area network is scheduled, and the isolation of wireless side resources is effectively realized by adopting the mode of accessing the local area network preferentially.
Example 2
As shown in fig. 3, the wireless side network isolation method in the heterogeneous communication private network system includes the following steps:
and step 1, responding to service allocation, and allocating service wireless resources to each large area network according to a preset proportion.
The preset allocation proportion is determined according to the quantity of the transmission data of the large-area network, and the large-area network service with large transmission data quantity has more wireless resources and the large-area network service with small transmission data quantity has less wireless resources; the dispensing ratio needs to be set and adjusted according to the actual situation.
Step 2, broadcasting PLMN codes of each regional network to service terminals; each PLMN code corresponds to a large area network, and the service terminal is networked through the PLMN codes.
The large areas in the communication private network system comprise a production control large area and a management information large area, each large area network is configured with different PLMN codes, and logic isolation is realized through the different PLMN codes.
And step 3, responding to the service terminal to access the local area network preferentially, and scheduling the service wireless resource distributed by the local area network.
Example 3
The wireless side network isolation method in the heterogeneous communication private network system adds a specific mode of broadcasting the PLMN codes on the basis of the embodiment 2, namely, all PLMN codes are stored in a PLMN list, and the PLMN list is added into a system message for broadcasting. The PLMN list also lists different PLMN codes of different large areas in the same cell, so that the production control large area network and the management information large area network in the same cell are identified, and the purpose of large area network isolation is achieved.
Example 4
The specific mode of broadcasting PLMN codes by the LTE-G230 MHz power wireless communication system is added on the basis of the embodiment 3, namely, in response to the system being the LTE-G230 MHz power wireless communication system, the PLMN list is added into the SIB/MIB message for broadcasting.
The LTE-G230 MHz power wireless communication system is a common system, and in the LTE-G230 MHz power wireless communication system, a PLMN list may be added to a masterinformation block message broadcasted in the RRC layer for broadcasting, that is, in a MIB message for broadcasting. As the technical specifications of the LTE-G230 MHz power wireless communication system evolve, the PLMN list may also be placed in SIB messages for broadcast when present.
Example 5
The specific mode of broadcasting PLMN codes by an IoT-G230 MHz power wireless communication system or an LTE-G1800 MHz power wireless communication system is added on the basis of embodiment 3, and in response to the system being the IoT-G230 MHz power wireless communication system or the LTE-G1800 MHz power wireless communication system, the PLMN list is added to the SIB1 message for broadcasting.
The IoT-G230 MHz power wireless communication system and the LTE-G1800 MHz power wireless communication system are common systems, and in the IoT-G230 MHz power wireless communication system and the LTE-G1800 MHz power wireless communication system, since the SystemInformationBlock message still exists, the PLMN list can be added to the SIB1 message for broadcasting with reference to the LTE public network.
Example 6
The wireless side network isolation method in the heterogeneous communication private network system increases the access mode of the service terminal based on the embodiment 1, including automatic access and manual access.
The automatic access is to access the regional network according to the preset priority, and the priority of the regional network where the service terminal is located is highest.
When the service terminal is started, the primary task is to search and register the network, namely, network selection operation. Since the multi-PLMN code is added in the message broadcast by the base station, the network selection operation of the service terminal can be divided into two procedures of PLMN selection and cell search.
And defining PLMN codes corresponding to the production control large area and the management information large area as PLMN1 and PLMN2 respectively. In the PLMN selection process, service terminals of the production control area and the management information area need to maintain PLMN lists respectively, and the service terminals prioritize PLMN codes in the lists, wherein the sequence after sequencing the service terminals of the production control area is as follows: PLMN1, PLMN2; the sequence of the service terminals in the management information area after being sequenced is as follows: PLMN2, PLMN1. Such a setting will enable the service terminal to access the home network preferentially through PLMN selection.
The manual access is manual selection of regional network access, i.e. one PLMN code is manually selected, and the network corresponding to the selected PLMN code is requested to be accessed, and the network prioritizes the regional network where the service terminal is located.
Example 7
The wireless side network isolation method in the heterogeneous communication private network system increases the situation that the local area network cannot be accessed on the basis of the embodiment 1; the situation is special, and in the automatic access mode, the area network with the lower priority is automatically accessed to realize emergency backup treatment; in the manual access mode, the area network with one level lower priority is manually accessed.
Example 8
As shown in fig. 4, the wireless side network isolation method in the heterogeneous communication private network system includes the following steps:
and step 1, responding to service allocation, and allocating service wireless resources to each large area network according to a preset proportion.
The base station allocates service wireless resources, the preset allocation proportion is determined according to the quantity of the transmission data of the large-area network, the service wireless resources of the area network with large transmission data quantity are more, and the service wireless resources of the area network with small transmission data quantity are less; the dispensing ratio needs to be set and adjusted according to the actual situation.
And 2, storing PLMN codes of the large area networks in a PLMN list, adding the PLMN list into a system message and broadcasting the system message to a service terminal.
Each PLMN code corresponds to a large area network, and the service terminal is networked through the PLMN codes.
The PLMN list also lists different PLMN codes of different large areas in the same cell, so that the production control large area network and the management information large area network in the same cell are identified, and the purpose of large area network isolation is achieved.
The large areas in the communication private network system comprise a production control large area and a management information large area, each large area network is configured with different PLMN codes, and logic isolation is realized through the different PLMN codes.
The LTE-G230 MHz power wireless communication system is a common system, and in the LTE-G230 MHz power wireless communication system, a PLMN list may be added to a masterinformation block message broadcasted in the RRC layer for broadcasting, that is, in a MIB message for broadcasting. As the technical specifications of the LTE-G230 MHz power wireless communication system evolve, the PLMN list may also be placed in SIB messages for broadcast when present.
The IoT-G230 MHz power wireless communication system and the LTE-G1800 MHz power wireless communication system are common systems, and in the IoT-G230 MHz power wireless communication system and the LTE-G1800 MHz power wireless communication system, since the SystemInformationBlock message still exists, the PLMN list can be added to the SIB1 message for broadcasting with reference to the LTE public network.
And step 3, responding to the service terminal to access the local area network preferentially, and scheduling the service wireless resource distributed by the local area network.
The mode of service terminal access includes automatic access and manual access.
The automatic access is to access the regional network according to the preset priority, and the priority of the regional network where the service terminal is located is highest.
When the service terminal is started, the primary task is to search and register the network, namely, network selection operation. Since the multi-PLMN code is added in the message broadcast by the base station, the network selection operation of the service terminal can be divided into two procedures of PLMN selection and cell search.
And defining PLMN codes corresponding to the production control large area and the management information large area as PLMN1 and PLMN2 respectively. In the PLMN selection process, service terminals of the production control area and the management information area need to maintain PLMN lists respectively, and the service terminals prioritize PLMN codes in the lists, wherein the sequence after sequencing the service terminals of the production control area is as follows: PLMN1, PLMN2; the sequence of the service terminals in the management information area after being sequenced is as follows: PLMN2, PLMN1. Such a setting will enable the service terminal to access the home network preferentially through PLMN selection.
The manual access is manual selection of regional network access, i.e. one PLMN code is manually selected, and the network corresponding to the selected PLMN code is requested to be accessed, and the network prioritizes the regional network where the service terminal is located.
If the service terminal cannot access the local area network, the situation is special, and in the automatic access mode, the service terminal automatically accesses the local area network with one-level lower priority to realize emergency backup processing; in the manual access mode, the area network with one level lower priority is manually accessed.
In the method, the service terminal is preferentially accessed to the local area network, and the service wireless resource distributed by the local area network is scheduled after the service terminal is accessed, so that the isolation of wireless side resources is effectively realized by adopting the mode of preferentially accessing the local area network.
Example 9
A wireless side network isolation system in a heterogeneous communication private network system, comprising,
the distribution module: and in response to the service allocation, allocating the service wireless resources to each regional network according to a preset proportion.
And a scheduling module: and responding to the service terminal to access the regional network preferentially, and scheduling the service wireless resource distributed by the regional network.
Example 10
A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, cause the computing device to perform a wireless-side network isolation method in a heterogeneous communication private network system.
Example 11
A computing device comprising one or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing a wireless-side network isolation method in a heterogeneous communication private network system.
It will be appreciated by those skilled in the art that 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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (7)
1. The wireless side network isolation method in the heterogeneous communication private network system is characterized in that: comprising the steps of (a) a step of,
in response to service allocation, allocating service wireless resources to each area network according to a preset proportion, and broadcasting PLMN codes of each area network to service terminals; the regional network comprises a production control regional network and a management information regional network, each PLMN code corresponds to one regional network, and the service terminal is networked through the PLMN codes;
responding to the regional network where the service terminal is preferentially accessed, and dispatching the service wireless resource distributed by the regional network where the service terminal is located; the service terminal access comprises automatic access and manual access, wherein the automatic access is access to the regional network according to a preset priority, the priority of the regional network where the service terminal is positioned is highest, and the manual access is manual selection of the regional network access; and responding to the fact that the service terminal cannot access the regional network, and accessing the regional network with the lower priority.
2. The method for isolating a wireless side network in a heterogeneous communication private network system according to claim 1, wherein: all PLMN codes are stored in a PLMN list, which is added to the system message for broadcasting.
3. The method for isolating a wireless side network in a heterogeneous communication private network system according to claim 2, wherein: in response to the system being an LTE-G230 MHz power wireless communication system, the PLMN list is added to the SIB/MIB message broadcast.
4. The method for isolating a wireless side network in a heterogeneous communication private network system according to claim 2, wherein: in response to the system being either an IoT-G230 MHz power wireless communication system or an LTE-G1800 MHz power wireless communication system, the PLMN list is added to the SIB1 message for broadcast.
5. The wireless side network isolation system in the heterogeneous communication private network system is characterized in that: comprising the steps of (a) a step of,
the distribution module: in response to service allocation, allocating service wireless resources to each area network according to a preset proportion, and broadcasting PLMN codes of each area network to service terminals; the regional network comprises a production control regional network and a management information regional network, each PLMN code corresponds to one regional network, and the service terminal is networked through the PLMN codes;
and a scheduling module: responding to the regional network where the service terminal is preferentially accessed, and dispatching the service wireless resource distributed by the regional network where the service terminal is located; the service terminal access comprises automatic access and manual access, wherein the automatic access is access to the regional network according to a preset priority, the priority of the regional network where the service terminal is positioned is highest, and the manual access is manual selection of the regional network access; and responding to the fact that the service terminal cannot access the regional network, and accessing the regional network with the lower priority.
6. A computer readable storage medium storing one or more programs, characterized by: the one or more programs include instructions, which when executed by a computing device, cause the computing device to perform any of the methods of claims 1-4.
7. A computing device, characterized by: comprising the steps of (a) a step of,
one or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing any of the methods of claims 1-4.
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