CN111901297A - System and method for service isolation and independent transmission in electric power wireless private network - Google Patents
System and method for service isolation and independent transmission in electric power wireless private network Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 165
- 238000002955 isolation Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 26
- 239000013642 negative control Substances 0.000 claims description 13
- 238000013507 mapping Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- HRULVFRXEOZUMJ-UHFFFAOYSA-K potassium;disodium;2-(4-chloro-2-methylphenoxy)propanoate;methyl-dioxido-oxo-$l^{5}-arsane Chemical compound [Na+].[Na+].[K+].C[As]([O-])([O-])=O.[O-]C(=O)C(C)OC1=CC=C(Cl)C=C1C HRULVFRXEOZUMJ-UHFFFAOYSA-K 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
The invention provides a system for service isolation and independent transmission in an electric power wireless private network, which comprises a plurality of terminals, a base station, an exchanger and a core network, wherein the system is provided with a plurality of S1 port transmission links, the base station is provided with a plurality of transmission plates, service information is transmitted to the base station through an air interface from the terminals in a wireless mode, then the service information is transmitted to the core network through the base station transmission plates and the exchanger in sequence, different service information independently corresponds to different transmission plates and S1 port transmission links, and the terminals are provided with different PLMNIDs corresponding to different services.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a system and a method for service isolation and independent transmission in a power wireless private network.
Background
The electric power wireless private network system is based on the LTE wireless communication technology, has the characteristics of wide coverage, low cost, strong safety, high reliability and the like, is widely applied to the electric power industry, and supports the services of power consumption information acquisition, distribution automation, load control, precise control, electric vehicle charging pile, voice talkback, intelligent inspection and the like.
The electric power wireless private network system comprises a core network EPC, an S1 port transmission device, a base station ENB, a terminal LCM, a CPE, a handset and the like, wherein the LCM terminal supports electricity utilization information acquisition services, the CPE supports power distribution, load control, fine control and other services, and the handset supports voice talkback services; the terminals work in the electric wireless private network system at the same time and support access to the same cell, that is, multiple types of services exist in the same cell of the same base station at the same time.
In the current electric power wireless private network, when each type of terminal accesses the same cell, the same set of base station and the same set of core network equipment are used, when each type of service is carried out simultaneously, the phenomenon of mutual interference may occur in the transmission network and the core network at the base station side, especially the requirement of control type service on safety and reliability is high, and the current system can not meet the requirement.
Disclosure of Invention
The invention solves the problem that when various types of terminals access to the same cell, the same base station and the same core network equipment are used, and when various types of services are carried out simultaneously, mutual interference can occur in a base station side transmission network and a core network. The invention can greatly improve the safety and reliability of control services and ensure the transmission delay of the fine control service.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a system for service isolation and independent transmission in an electric power wireless private network comprises a plurality of terminals, a base station, an exchanger and a core network, wherein the system is provided with a plurality of S1 port transmission links, the base station is provided with a plurality of transmission boards, service information is transmitted to the base station from the terminals through air interfaces in a wireless mode, then the service information is transmitted to the core network through the base station transmission boards and the exchanger in sequence, different service information independently corresponds to different transmission boards and S1 port transmission links, and the terminals are provided with different PLMNIDs corresponding to different services.
When the base station transmits different service data, the transmission network equipment and the core network equipment are independent and isolated from each other through different transmission board cards, so that the mutual interference of different service data is prevented, the safety and the reliability of control services can be greatly improved, and the transmission delay of the fine control service is ensured.
Preferably, the terminal includes: the LCM terminal supports electricity utilization information acquisition service; the CPE terminal supports power distribution service, load control service and fine control service; the system comprises a hand-held terminal and a customer premise equipment (LCM) terminal, wherein the hand-held terminal supports voice talkback services, the electric information acquisition services, the voice talkback services and the power distribution services are unified into common services, the LCM terminal, the Customer Premises Equipment (CPE) terminal and the hand-held terminal are provided with first PLMNID corresponding to the common services, the CPE terminal is provided with second PLMNID corresponding to the load control services, and the CPE terminal is provided with third PLMNID corresponding to the fine control services.
The invention distinguishes control services, such as negative control service, fine control service and other services, and the transmission network equipment and the core network equipment are independent and isolated from each other through different transmission boards when the base station transmits.
Preferably, the transmission boards include a first transmission board, a second transmission board and a third transmission board, the S1 port transmission link includes a first S1 port transmission link, a second S1 port transmission link and a third S1 port transmission link, the first transmission board is connected with the first S1 port transmission link, the second transmission board is connected with the second S1 port transmission link, the third transmission board is connected with the third S1 port transmission link, the base station is preconfigured with a mapping table, the first PLMNID corresponds to the first S1 port transmission link, the second PLMNID corresponds to the second S1 port transmission link, and the third PLMNID corresponds to the third S1 port transmission link. The transmission board, the transmission network equipment and the core network equipment for transmitting different service data are mutually independent, so that the safety and the reliability of control services are greatly improved, and the transmission delay of the precise control service is ensured.
Preferably, the core network is preset with a first QCI value, a second QCI value and a third QCI value, the first QCI value corresponds to a general service and a first S1 port transmission link, the second QCI value corresponds to a negative control service and a second S1 port transmission link, and the third QCI value corresponds to a fine control service and a third S1 port transmission link. The QCI value is bound with information of a corresponding service for just starting attachment of a transmission channel.
A method for service isolation and independent transmission in a power wireless private network adopts the system for service isolation and independent transmission in the power wireless private network, and comprises a terminal service attachment process and a priority setting process after successful attachment, wherein the terminal service attachment process comprises the following steps:
s1, setting different PLMNIDs corresponding to different services in a plurality of terminals;
s2, the base station distributes different transmission boards for different PLMNIDs;
s3, base station and core network pre-configure different associated QCI values for different services;
s4, configuring and establishing different S1 port transmission links for different services between the base station and the core network, and establishing a mapping table by coupling different PLMNIDs and different S1 port transmission links by the base station;
s5, the terminal sends an air interface message carrying PLMNID to the base station, the base station selects a corresponding S1 interface transmission link according to the mapping table, sends a first S1AP message to the core network, and simultaneously selects a corresponding transmission plate;
s6, the core network attaches the corresponding QCI value to the second S1AP message and sends the second S1AP message carrying the QCI value to the base station;
and S7, the base station puts the IP address corresponding to the physical port of the transmission link of the port S1 in a third S1AP message and returns the message to the core network to finish the attachment of the terminal service.
Aiming at the problems of mutual conflict and weak safety and reliability when various types of power services are transmitted simultaneously in a power wireless private network, the method separates transmission channels of different types of power services, uses independent equipment respectively on a base station transmission board, an S1 port transmission link and core network equipment, does not share the same equipment, prevents mutual interference of service data, can greatly improve the safety and reliability of control services, and ensures the transmission delay of precise control services.
Preferably, the different services include general services, negative control services, and fine control services, the different transport boards include a first transport board, a second transport board, and a third transport board, the different S1 port transport links include a first S1 port transport link, a second S1 port transport link, and a third S1 port transport link, the different QCI values include a first QCI value, a second QCI value, and a third QCI value, the first QCI value corresponds to the general services and the first S1 port transport link, the second QCI value corresponds to the negative control services and the second S1 port transport link, and the third QCI value corresponds to the fine control services and the third S1 port transport link.
Preferably, the process of setting priority after successful attachment specifically includes: the base station is connected with the core network through a switch to realize an S1 port transmission link; for the fine control service, when the base station and the core network transmit and process in the transmission link of the port S1, the DSCP value of high priority is set for the IP header, and then high priority transmission is carried out on the switch.
The invention has the following beneficial effects: control services, such as a negative control service and an accurate control service, are distinguished from other services, different service data pass through different transmission board cards when a base station transmits, and transmission network equipment and core network equipment are also independent and isolated from each other, so that the mutual interference of different service data is prevented, the safety and reliability of the control services can be greatly improved, and the transmission delay of the accurate control service is ensured.
Drawings
FIG. 1 is a system configuration diagram of the present embodiment;
fig. 2 is a flowchart of the method of the present embodiment.
Detailed Description
Example (b):
this embodiment provides a system for service isolation and independent transmission in an electric wireless private network, referring to fig. 1, including 3 types of terminals, a base station, an exchange, and a core network, where the system is further provided with 3S 1 port transmission links, the base station is provided with 3 transmission boards, service information is transmitted from the terminals to the base station through air interfaces in a wireless manner, and then transmitted to the core network through the base station transmission boards and the exchange in sequence, different service information individually corresponds to different transmission boards and S1 port transmission links, and the terminals are provided with different PLMNIDs corresponding to different services.
The terminal includes: the LCM terminal supports electricity utilization information acquisition service; the CPE terminal supports power distribution service, load control service and fine control service; the LCM terminal, the CPE terminal and the handheld terminal are provided with a first PLMNID corresponding to the general service, the CPE terminal is provided with a second PLMNID corresponding to the load control service, and the CPE terminal is provided with a third PLMNID corresponding to the fine control service.
The transmission boards comprise a first transmission board, a second transmission board and a third transmission board, the transmission link of the S1 port comprises a first transmission link of the S1 port, a second transmission link of the S1 port and a third transmission link of the S1 port, the first transmission board is connected with the transmission link of the first S1 port, the second transmission board is connected with the transmission link of the second S1 port, the third transmission board is connected with the transmission link of the third S1 port, the base station is pre-configured with a mapping table, the first PLMNID corresponds to the transmission link of the first S1 port, the second PLMNID corresponds to the transmission link of the second S1 port, and the third PLMNID corresponds to the transmission link of the third S1 port. The transmission board, the transmission network equipment and the core network equipment for transmitting different service data are mutually independent, so that the safety and the reliability of control services are greatly improved, and the transmission delay of the precise control service is ensured.
The core network is preset with a first QCI value, a second QCI value and a third QCI value, the first QCI value corresponds to a general service and a first S1 port transmission link, the second QCI value corresponds to a negative control service and a second S1 port transmission link, and the third QCI value corresponds to a fine control service and a third S1 port transmission link. The QCI value is bound with information of a corresponding service for just starting attachment of a transmission channel.
The invention distinguishes control services, such as negative control service, fine control service and other services, and the transmission network equipment and the core network equipment are independent and isolated from each other through different transmission boards when the base station transmits.
Referring to fig. 2, this embodiment further provides a method for service isolation and independent transmission in an electric wireless private network, where the system for service isolation and independent transmission in an electric wireless private network includes a terminal service attach process and a priority setting process after the attach is successful, where the terminal service attach process includes:
s1, setting different PLMNIDs corresponding to different services in a plurality of terminals;
s2, the base station distributes different transmission boards for different PLMNIDs;
s3, base station and core network pre-configure different associated QCI values for different services;
s4, configuring and establishing different S1 port transmission links for different services between the base station and the core network, and establishing a mapping table by coupling different PLMNIDs and different S1 port transmission links by the base station;
s5, the terminal sends an air interface message carrying PLMNID to the base station, the base station selects a corresponding S1 interface transmission link according to the mapping table, sends a first S1AP message to the core network, and simultaneously selects a corresponding transmission plate;
s6, the core network attaches the corresponding QCI value to the second S1AP message and sends the second S1AP message carrying the QCI value to the base station;
and S7, the base station puts the IP address corresponding to the physical port of the transmission link of the port S1 in a third S1AP message and returns the message to the core network to finish the attachment of the terminal service.
Wherein the air interface message is RRC CONNECTION SETUP COMPLETE; the first S1AP message is INITIAL UEMESSAGE IND; the second S1AP message is an INITIAL CONTEXT SETUP REQUEST; the third S1AP is an initialize SETUP RESONSE.
Aiming at the problems of mutual conflict and weak safety and reliability when various types of power services are transmitted simultaneously in a power wireless private network, the method separates transmission channels of different types of power services, uses independent equipment respectively on a base station transmission board, an S1 port transmission link and core network equipment, does not share the same equipment, prevents mutual interference of service data, can greatly improve the safety and reliability of control services, and ensures the transmission delay of precise control services.
The different services comprise general services, negative control services and fine control services, the different transmission boards comprise a first transmission board, a second transmission board and a third transmission board, the different transmission links of the port S1 comprise a first transmission link of the port S1, a second transmission link of the port S1 and a third transmission link of the port S1, the different QCI values comprise a first QCI value, a second QCI value and a third QCI value, the first QCI value corresponds to the general services and the first transmission link of the port S1, the second QCI value corresponds to the negative control services and the second transmission link of the port S1, and the third QCI value corresponds to the fine control services and the third transmission link of the port S1.
The process of setting the priority after the successful attachment specifically comprises the following steps: the base station is connected with the core network through a switch to realize an S1 port transmission link; for the fine control service, when the base station and the core network transmit and process in the transmission link of the port S1, the DSCP value of high priority is set for the IP header, and then high priority transmission is carried out on the switch.
The invention has the following advantages: control services, such as a negative control service and an accurate control service, are distinguished from other services, different service data pass through different transmission board cards when a base station transmits, and transmission network equipment and core network equipment are also independent and isolated from each other, so that the mutual interference of different service data is prevented, the safety and reliability of the control services can be greatly improved, and the transmission delay of the accurate control service is ensured.
Claims (7)
1. A system for service isolation and independent transmission in an electric power wireless private network is characterized by comprising a plurality of terminals, a base station, an exchanger and a core network, wherein the system is provided with a plurality of S1 port transmission links, the base station is provided with a plurality of transmission plates, service information is transmitted to the base station from the terminals through air interfaces in a wireless mode and then is transmitted to the core network through the base station transmission plates and the exchanger in sequence, different service information independently corresponds to different transmission plates and S1 port transmission links, and the terminals are provided with different PLMNIDs corresponding to different services.
2. The system of claim 1, wherein the terminal comprises: the LCM terminal supports electricity utilization information acquisition service; the CPE terminal supports power distribution service, load control service and fine control service; the system comprises a hand-held terminal and a customer premise equipment (LCM) terminal, wherein the hand-held terminal supports voice talkback services, the electric information acquisition services, the voice talkback services and the power distribution services are unified into common services, the LCM terminal, the Customer Premises Equipment (CPE) terminal and the hand-held terminal are provided with first PLMNID corresponding to the common services, the CPE terminal is provided with second PLMNID corresponding to the load control services, and the CPE terminal is provided with third PLMNID corresponding to the fine control services.
3. The system of claim 2, wherein the transmission boards comprise a first transmission board, a second transmission board and a third transmission board, the S1 port transmission link comprises a first S1 port transmission link, a second S1 port transmission link and a third S1 port transmission link, the first transmission board is connected to the first S1 port transmission link, the second transmission board is connected to the second S1 port transmission link, the third transmission board is connected to the third S1 port transmission link, the base station has a mapping table, the first PLMNID corresponds to the first S1 port transmission link, the second PLMNID corresponds to the second S1 port transmission link, and the third PLMNID corresponds to the third S1 port transmission link.
4. The system of claim 3, wherein the core network is preset with a first QCI value, a second QCI value and a third QCI value, the first QCI value corresponds to a general service and a first S1 port transmission link, the second QCI value corresponds to a negative control service and a second S1 port transmission link, and the third QCI value corresponds to a fine control service and a third S1 port transmission link.
5. A method for service isolation and independent transmission in a power wireless private network, which adopts the system for service isolation and independent transmission in the power wireless private network as claimed in claim 1, and is characterized by comprising a terminal service attachment process and a priority setting process after the attachment is successful, wherein the terminal service attachment process comprises:
s1, setting different PLMNIDs corresponding to different services in a plurality of terminals;
s2, the base station distributes different transmission boards for different PLMNIDs;
s3, base station and core network pre-configure different associated QCI values for different services;
s4, configuring and establishing different S1 port transmission links for different services between the base station and the core network, and establishing a mapping table by coupling different PLMNIDs and different S1 port transmission links by the base station;
s5, the terminal sends an air interface message carrying PLMNID to the base station, the base station selects a corresponding S1 interface transmission link according to the mapping table, sends a first S1AP message to the core network, and simultaneously selects a corresponding transmission plate;
s6, the core network attaches the corresponding QCI value to the second S1AP message and sends the second S1AP message carrying the QCI value to the base station;
and S7, the base station puts the IP address corresponding to the physical port of the transmission link of the port S1 in a third S1AP message and returns the message to the core network to finish the attachment of the terminal service.
6. The method of claim 5, wherein the different services comprise general services, negative control services and fine control services, the different transport boards comprise a first transport board, a second transport board and a third transport board, the different S1 port transport links comprise a first S1 port transport link, a second S1 port transport link and a third S1 port transport link, the different QCI values comprise a first QCI value, a second QCI value and a third QCI value, the first QCI value corresponds to general services and the first S1 port transport link, the second QCI value corresponds to negative control services and the second S1 port transport link, and the third QCI value corresponds to fine control services and the third S1 port transport link.
7. The method according to claim 5, wherein the process of setting priority after successful attachment specifically comprises: the base station is connected with the core network through a switch to realize an S1 port transmission link; for the fine control service, when the base station and the core network transmit and process in the transmission link of the port S1, the DSCP value of high priority is set for the IP header, and then high priority transmission is carried out on the switch.
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| CN202010568261.9A CN111901297A (en) | 2020-06-19 | 2020-06-19 | System and method for service isolation and independent transmission in electric power wireless private network |
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| CN202010568261.9A CN111901297A (en) | 2020-06-19 | 2020-06-19 | System and method for service isolation and independent transmission in electric power wireless private network |
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