CN113630766A - Network access method and base station - Google Patents
Network access method and base station Download PDFInfo
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- CN113630766A CN113630766A CN202110980872.9A CN202110980872A CN113630766A CN 113630766 A CN113630766 A CN 113630766A CN 202110980872 A CN202110980872 A CN 202110980872A CN 113630766 A CN113630766 A CN 113630766A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
- H04W8/28—Number portability ; Network address portability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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Abstract
The invention provides a network access method and a base station, belongs to the technical field of communication, and can at least partially solve the problems that the existing network access method is easy to cause low short message receiving rate and poor user experience after a terminal user carries out number portability. The network access method of the embodiment of the invention comprises the following steps: receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal; and the terminal number is used as an index to inquire and acquire a current operator corresponding to the terminal number in a record table stored by the number portability server, the AMF of the current operator is used for providing network access service for the terminal, and the record table stored by the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a network access method and a base station.
Background
The number portability and the number change-free operation are realized, that is, a terminal user of one mobile telecommunication operator transfers to other mobile telecommunication operators to enjoy telecommunication network services provided by the transferred mobile telecommunication operators, for example, a mobile phone user with a Chinese mobile number transfers to Chinese telecommunication or China Unicom to enjoy telecommunication network services provided by the Chinese telecommunication or the China Unicom.
The number portability and the network switching are beneficial to supporting a new operator, so that the new operator can be promoted to rapidly enter the market, the number portability and the network switching are considered as measures for benefiting consumers, the country and the telecommunication industry, and for the consumers, the number portability and the network switching cost of the users can be reduced; for the country, the number portability can save number resources; for the telecommunication industry, the number portability can break the dominant position of the existing telecommunication operators, promote market competition and optimize the market structure. After the number portability network is implemented, number resources are generally managed in a centralized way by a third party, social resources are saved, the number portability network is beneficial to consumers and optimizing the market structure, and the effective competition of the market can be realized by combining with the control measures of the market, so that the welfare of the consumers is improved.
The number portability is implemented, the database needs to be adjusted, the requirement on data maintenance work is high, and the data modification and updating requirements of users have high timeliness and uniformity. According to the selection of the user for changing the own network access provider (namely, the mobile telecommunication operator for switching in), the data of the user needs to be modified, and a new access path is provided for the user. This makes the operator not only need to carry out technology preparation, database construction, network transformation, add corresponding equipment and expand and transform the existing equipment, but also needs to solve the problems in charging, number inquiry and some management aspects, and the realization of these technologies all needs huge investment, and also needs a certain time.
The original trust ministry of production requires mobile telecommunication operators to implement the policy of 'number portability and package order' from 1/2007, but because the capacity difference of support systems of operators in various regions is large, the integration of different charging and operation analysis systems has certain difficulty, and the schedule of comprehensively implementing the policy by many operators is delayed for two years. Considering the huge number of mobile users in China, the implementation of number portability will put a very high demand on the performance of the user information database.
One of the most common problems in the number portability process is low success rate of receiving short messages, for example, when a user moving in China wants to send a short message with a changed balance to a China Unicom network, the bank still sends the short message to an industry gateway of the China Mobile, but the industry gateway of the China Mobile cannot forward the short message to the user, so that the user cannot receive the short message prompted by the bank, and the user experience is poor.
Disclosure of Invention
The invention at least partially solves the problems that the existing network access method easily causes low short message receiving rate and poor user experience after the number portability of the terminal user, and provides the network access method and the base station which have high short message receiving rate and good user experience after the number portability of the terminal user.
One aspect of the present invention provides a network access method for a base station, the method including:
receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal;
and the terminal number is used as an index to inquire and acquire a current operator corresponding to the terminal number in a record table stored by the number portability server, the AMF of the current operator is used for providing network access service for the terminal, and the record table stored by the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
Optionally, the base station is a 5G base station.
Optionally, the querying, in the portable network server, to obtain the current operator corresponding to the terminal number with the terminal number as the index includes: under the condition that an operator after the terminal number is carried over and the network is carried over corresponding to the terminal number is inquired in a record table stored by the number-carrying network-forwarding server, taking the operator after the terminal number is carried over and the network as a current operator corresponding to the terminal number; and under the condition that the operator after the terminal number corresponding to the terminal number is carried over is not inquired in a record table stored by the number portability network server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
Optionally, the providing, by the AMF of the current operator, a network access service for the terminal includes: and providing network access service for the terminal through the AMF of the current operator in the area of the base station.
Further optionally, the providing, by the AMF of the current operator in the area where the base station is located, a network access service for the terminal includes: inquiring and acquiring an AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in an AMF corresponding table, wherein the AMF corresponding table comprises the corresponding relation of the operator, the area and the AMF identifier; and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the operator in the area where the base station is located.
Further optionally, the AMF correspondence table is stored in the number portability server.
Further optionally, before receiving the network access request sent by the terminal, the method further includes: establishing an AMF list, wherein the AMF list comprises the identifications of AMFs of a plurality of operators in the area where the base station is located; the providing the network access service for the terminal through the AMF of the current operator in the area of the base station comprises: inquiring and acquiring the AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in the AMF list; and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the operator in the area where the base station is located.
Another aspect of the present invention provides a base station, including:
the terminal comprises a receiving module, a sending module and a receiving module, wherein the receiving module is used for receiving a network access request sent by a terminal, and the network access request comprises a terminal number corresponding to the terminal;
the processing module is used for inquiring and acquiring the current operator corresponding to the terminal number in a record table stored by the number portability server by taking the terminal number as an index, and the AMF of the current operator is used for providing network access service for the terminal, and the record table stored by the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
Optionally, the base station is a 5G base station.
Optionally, the querying, in the portable network server, to obtain the current operator corresponding to the terminal number with the terminal number as the index includes: under the condition that an operator after the terminal number is carried over and the network is carried over corresponding to the terminal number is inquired in a record table stored by the number-carrying network-forwarding server, taking the operator after the terminal number is carried over and the network as a current operator corresponding to the terminal number; and under the condition that the operator after the terminal number corresponding to the terminal number is carried over is not inquired in a record table stored by the number portability network server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
In the network access method and the base station, the base station takes the terminal number corresponding to the terminal as an index, and inquires and acquires the current operator corresponding to the terminal number in the record table stored by the number portability network server, wherein the acquired current operator is the operator to which the current terminal belongs, that is, if the terminal user carries the number to switch the network, the base station acquires the operator to which the terminal after the terminal user carries the number to switch the network, so that the situation that the terminal cannot receive information (such as short messages) due to the fact that the base station cannot acquire the operator to which the terminal after the terminal user carries the number to switch the network in time after the terminal user carries the number to switch the network is greatly reduced, the operator to which the terminal before the terminal user carries the number to switch the network provides the network server for the terminal, the terminal cannot receive the messages (such as short messages), the short message receiving rate of the terminal after the terminal user carries the number to switch the network is improved, and user experience is improved.
Drawings
Fig. 1 is a flowchart illustrating a network access method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating another network access method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a portion of steps of another network access method according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a portion of steps of another network access method according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a portion of steps of another network access method according to an embodiment of the present invention;
fig. 6 is a block diagram schematically illustrating a base station according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It is to be understood that the specific embodiments and figures described herein are merely illustrative of the invention and are not limiting of the invention.
It is to be understood that the embodiments and features of the embodiments can be combined with each other without conflict.
It is to be understood that, for the convenience of description, only parts related to the present invention are shown in the drawings of the present invention, and parts not related to the present invention are not shown in the drawings.
It should be understood that each unit and module related in the embodiments of the present invention may correspond to only one physical structure, may also be composed of multiple physical structures, or multiple units and modules may also be integrated into one physical structure.
It will be understood that, without conflict, the functions, steps, etc. noted in the flowchart and block diagrams of the present invention may occur in an order different from that noted in the figures.
It is to be understood that the flowchart and block diagrams of the present invention illustrate the architecture, functionality, and operation of possible implementations of systems, apparatus, devices and methods according to various embodiments of the present invention. Each block in the flowchart or block diagrams may represent a unit, module, segment, code, which comprises executable instructions for implementing the specified function(s). Furthermore, each block or combination of blocks in the block diagrams and flowchart illustrations can be implemented by a hardware-based system that performs the specified functions or by a combination of hardware and computer instructions.
It is to be understood that the units and modules involved in the embodiments of the present invention may be implemented by software, and may also be implemented by hardware, for example, the units and modules may be located in a processor.
Example 1:
referring to fig. 1, the present embodiment provides a network access method for a base station.
The base station of this embodiment may establish a connection with an Access and Mobility Management Function (AMF)/Session Management Function (SMF) of different operators.
For example, the base station may establish a connection with AMFa of operator a and AMFb of operator B via the core network or the optical fiber.
The network access method of the embodiment specifically includes:
s101, receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal.
The base station receives a network access request sent by a UE (User Equipment), such as a mobile phone, and analyzes the received network access request to obtain a terminal number corresponding to the terminal.
The network access request refers to information sent by the terminal for requesting access to the communication network, and may include a terminal number corresponding to the terminal.
S102, inquiring and acquiring a current operator corresponding to the terminal number in a record table stored in a number portability server by taking the terminal number as an index, and providing network access service for the terminal through an AMF (advanced metering framework) of the current operator, wherein the record table stored in the number portability server comprises a corresponding relation between the terminal number and the operator after the number portability of the terminal number.
After acquiring the terminal number corresponding to the terminal, the base station acquires a current operator (specifically, an identifier of the current operator) corresponding to the terminal number in the portable network server by querying the portable network server by using the terminal number as an index, acquires the AMF corresponding to the operator according to the current operator corresponding to the terminal number, and provides network access service for the terminal by using the AMF corresponding to the operator, so that the terminal can complete subsequent communication processes.
The number portability server is a server for the work and credit department to take charge of number portability, a record list for recording the corresponding relation between the terminal number of the number portability and the operator after the number portability is stored on the server, and the base station can inquire the record list stored in the number portability server by accessing the number portability server.
And if the terminal user carries the number and changes the network, the current operator is the operator to which the terminal belongs after the terminal user carries the number and changes the network.
In some prior art, a terminal provides an Identity (ID) of an operator to which the terminal belongs to a base station through a network access request, the base station extracts an AMF ID for providing a network access service for the terminal from a 5G-GUTI (5G global Unique Temporary UE Identity), and when a terminal carries out number transfer to a network, but the terminal may not modify the ID of the operator to which the terminal belongs, which is acquired by the base station, is still the ID of the operator to which the terminal belongs before carrying the number transfer to the terminal, and the operator to which the terminal belongs before carrying the number transfer to the terminal obviously cannot provide a network service for the terminal, and cannot receive information (such as a short message) through a network after carrying the number transfer to the terminal, which affects user experience.
According to the network access method, the base station takes the terminal number corresponding to the terminal as an index, and inquires and acquires the current operator corresponding to the terminal number in the record table stored by the number portability network server, the acquired current operator is the operator to which the current terminal belongs, namely, if the terminal user carries the number to switch the network, the base station acquires the operator to which the terminal after the terminal user carries the number to switch the network, so that the situation that the terminal cannot receive information (such as short messages) is caused, the receiving rate of the short messages of the terminal after the terminal user carries the number to switch the network is improved, and the user experience is improved.
Example 2:
referring to fig. 2, the present embodiment provides another network access method for a base station.
The base station of the embodiment can establish connection with AMF/SMF of different operators.
Optionally, the base station of this embodiment is a gbb (5G base station).
5G (5th Generation Mobile Networks, fifth Generation Mobile communication technology) is the latest Generation cellular Mobile communication technology, and is also an extension following 4G (4th Generation Mobile Networks, fourth Generation Mobile communication technology), 3G (3th Generation Mobile Networks, third Generation Mobile communication technology), 2G (2 Generation Mobile Networks, second Generation Mobile communication technology) systems, which not only has lower network delay (or faster response time), but also the lowest network delay can be lower than 1 millisecond (the network delay of 4G is 30-70 milliseconds); the wireless communication network also has a higher data transmission rate which can reach 10Gbit/s (gigabit/second) at most, is 100 times faster than a 4G LTE (Long Term Evolution) cellular network, and is a communication trend in a Long period of time in the future.
Specifically, the network access method of this embodiment specifically includes:
a table (i.e. an AMF corresponding table) is built and stored in the base station, and the corresponding relationship between the frequency band and the AMF is recorded in the table, i.e. the corresponding relationship between the frequency band used by the terminal of each large operator to send information to the base station and the AMF of the operator.
Of course, after the base station establishes the AMF mapping table, the base station also maintains the AMF table, and when a frequency band corresponding to an operator (i.e., a frequency band used by a terminal of the operator to send information to the base station) or the AMF of the operator changes, the base station also changes the AMF mapping table stored therein.
S201, receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal.
The base station receives a network access request sent by the terminal, analyzes the received network access request and acquires a frequency band used by the terminal for sending the network access request.
S202, inquiring and acquiring the current operator corresponding to the terminal number in a record table stored in the number portability server by taking the terminal number as an index, wherein the record table stored in the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
After acquiring the terminal number corresponding to the terminal, the base station acquires the current operator corresponding to the terminal number in the number portability server by inquiring with the terminal number as an index.
The number portability server is a server for the work and credit department to take charge of number portability, a record list for recording the corresponding relation between the terminal number of the number portability and the operator after the number portability is stored on the server, and the base station can inquire the record list stored in the number portability server by accessing the number portability server.
Optionally, referring to fig. 3, querying, in the number portability server, a current operator corresponding to the obtained terminal number by using the terminal number as an index includes:
s301, under the condition that the operator after the terminal number portability corresponding to the terminal number is inquired in a record table stored in the portability server, the operator after the terminal number portability is taken as the current operator corresponding to the terminal number.
And S302, under the condition that the operator after the terminal number corresponding to the terminal number is carried over to the network is not inquired in the record table stored by the number portability server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
If the terminal inquires the operator after the terminal number portability corresponding to the terminal number in the portability server (the stored record table), it indicates that the terminal user of the terminal number transacts the portability service, and the ported operator is the operator after the inquired terminal number portability, so that the inquired operator after the terminal number portability is the current operator corresponding to the terminal number.
If the terminal does not inquire the operator who carries the terminal number corresponding to the terminal number and carries out number portability in the number portability server (stored record table), it indicates that the terminal number is not recorded in the record table, that is, the terminal user of the terminal number does not handle the number portability service, the operator corresponding to the terminal number is the original operator, and is consistent with the operator to which the terminal belongs when the terminal sends the network access request, so that the operator to which the terminal belongs when the terminal sends the network access request can be used as the current operator corresponding to the terminal number, and the method for specifically acquiring the operator to which the terminal belongs when the terminal sends the network access request is not limited in the application.
S203, network access service is provided for the terminal through the AMF of the current operator in the area of the base station.
After acquiring the current operator corresponding to the terminal number, the base station queries the AMF of the current operator in the area where the base station is located, and provides network access service for the terminal through the AMF, so that the terminal can complete the subsequent communication flow.
Optionally, referring to fig. 4, providing a network access service for a terminal through an AMF of a current operator in a base station may include:
s401, inquiring and acquiring the AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in an AMF corresponding table, wherein the AMF corresponding table comprises the corresponding relation of the operator, the area and the AMF identifier.
S402, network access service is provided for the terminal through the AMF corresponding to the AMF identification of the base station in the region of the operator.
The base station obtains the identifier (specifically, the AMF ID) of the AMF of the current operator in the area of the base station according to the current operator and the AMF corresponding table of the area of the base station, and provides network access service for the terminal through the AMF.
The AMF corresponding table comprises the corresponding relation of operators, regions and AMF identifications.
Further optionally, the AMF correspondence table is stored in the number portability network server, each operator may send the number portability network information to the number portability network server and send its AMF list (i.e., the identifier of its own AMF in each region) at regular intervals, and the number portability network server generates the AMF correspondence table according to the received AMF list of each operator.
The base station can obtain the AMF identifier of the current operator in the area of the base station by inquiring the AMF list of the corresponding operator, and also can obtain the AMF identifier of the previous operator in the area of the base station by inquiring the AMF corresponding list.
The number portability server is a server of the Ministry of industry and information, and information stored in the number portability server can be traced, so that the safety is higher.
Optionally, referring to fig. 5, providing a network access service for the terminal through the AMF of the current operator in the area of the base station, may further include:
s501, inquiring and acquiring the AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in the AMF list.
S502, network access service is provided for the terminal through the AMF corresponding to the AMF identification of the base station in the region of the operator.
The base station obtains the identifier (specifically, the AMF ID) of the AMF of the current operator in the area of the base station according to the current operator and the AMF list of the area of the base station, and provides a network access service for the terminal through the AMF.
The AMF list is a list which is established and maintained by the base station before the base station receives a network access request of the terminal, the list comprises the identifications of the AMFs of a plurality of operators in the area where the base station is located, and the base station can acquire the identifications of the AMFs of the current operators in the area where the base station is located by inquiring in the AMF list by taking the current operator as an index.
According to the network access method, the base station takes the terminal number corresponding to the terminal as an index, and inquires and acquires the current operator corresponding to the terminal number in the record table stored by the number portability server, the acquired operator to which the current terminal belongs is acquired by the number portability server, namely, if the terminal user carries the number to be ported, the base station acquires the operator to which the terminal belongs after the terminal user carries the number to be ported, so that the situation that the terminal cannot receive information (such as short messages) is caused, the short message receiving rate of the terminal after the terminal user carries the number to be ported is improved, and the user experience is improved.
Taking a base station as an gNB as an example, the base station may establish a connection with AMFs/SMFs of multiple operators, for example, an AMFa of an operator a and an AMFb of an operator B establish a 5G connection through a core network or an optical fiber, and the network access method of this embodiment may specifically include:
a01, multiple operators (such as operator A and operator B) are all registered to the number portability server, and the number portability server establishes and maintains a record table for recording the corresponding relation between the terminal number of the number portability and the operator after the number portability.
A02, each operator sends the number portability information to the number portability server and simultaneously sends an AMF list (namely the identification of the AMF of each operator in each region) to the number portability server every fixed time, and the number portability server generates an AMF corresponding table according to the received AMF list of each operator.
A03, UE and gNB establish 5G connection through cell search process, and then provide their corresponding terminal number to gNB.
A04, accessing gNB to a number portability server, inquiring a record table of the number portability server according to a terminal number corresponding to UE, and acquiring a current operator corresponding to the terminal number; if the operator of the current service corresponding to the terminal number is not inquired, it indicates that the terminal number is not handled with the number portability service and still belongs to the original operator, that is, the current operator is the original operator.
A05, the gNB may maintain one AMF list of multiple operators in the location of the gNB, and the gNB may obtain the AMF ID of the current operator in the area where the base station is located from the AMF list, or may obtain the AMF ID of the current operator in the area where the base station is located from the number portability server.
A06. And if the UE accesses the network to finish network registration, the subsequent access registration process of the UE is butted with the AMF corresponding to the AMF ID to finish the normal registration process.
Example 3:
referring to fig. 6, the present embodiment provides a base station, including:
the receiving module is used for receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal;
and the processing module is used for inquiring and acquiring the current operator corresponding to the terminal number in a record table stored in the number portability server by taking the terminal number as an index, providing network access service for the terminal through the AMF of the current operator, and the record table stored in the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
Optionally, the base station is a 5G base station.
Optionally, the querying, by using the terminal number as an index, of the current operator corresponding to the terminal number in the record table stored in the number portability server includes:
under the condition that an operator after the terminal number portability corresponding to the terminal number is inquired in a record table stored by the number portability network server, taking the operator after the terminal number portability as a current operator corresponding to the terminal number;
and under the condition that the operator after the terminal number corresponding to the terminal number is carried over is not inquired in the record table stored by the number-carrying network-forwarding server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
Optionally, the processing module further includes an access unit, configured to provide a network access service for the terminal through an AMF of a current operator in a region where the base station is located.
Further optionally, the access unit is further configured to: inquiring and acquiring an AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in an AMF corresponding table, wherein the AMF corresponding table comprises the corresponding relation of the operator, the area and the AMF identifier; and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the base station in the area of the operator.
Further optionally, the AMF correspondence table is stored in the number portability server.
Further optionally, the base station includes a storage unit, configured to establish an AMF list, where the AMF list includes identifiers of AMFs of multiple operators in a region where the base station is located;
the access unit is further configured to: inquiring and acquiring an AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in the AMF list; and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the base station in the area of the operator.
The base station of this embodiment uses the terminal number corresponding to the terminal as an index to obtain the current operator corresponding to the terminal number by querying in the record table stored in the number portability server, where the obtained current operator is the operator to which the current terminal belongs, that is, if the terminal user numbers the network, the base station obtains the operator to which the terminal belongs after the terminal user numbers the network, thereby greatly reducing the occurrence of the situation that the terminal cannot receive information (such as a short message) due to the fact that the base station cannot obtain the operator to which the terminal belongs after the terminal user numbers the network after the network is switched, and providing a network server for the terminal through the operator to which the terminal belongs before the terminal user numbers the network, thereby improving the short message receiving rate of the terminal after the terminal user numbers the network, and improving user experience.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A network access method, wherein the method is used for a base station, and wherein the method comprises:
receiving a network access request sent by a terminal, wherein the network access request comprises a terminal number corresponding to the terminal;
and the terminal number is used as an index to inquire and acquire a current operator corresponding to the terminal number in a record table stored by the number portability server, the AMF of the current operator is used for providing network access service for the terminal, and the record table stored by the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
2. The method of claim 1, wherein the base station is a 5G base station.
3. The method of claim 1, wherein the querying, in the number portability server, for the current operator corresponding to the terminal number by using the terminal number as an index comprises:
under the condition that an operator after the terminal number is carried over and the network is carried over corresponding to the terminal number is inquired in a record table stored by the number-carrying network-forwarding server, taking the operator after the terminal number is carried over and the network as a current operator corresponding to the terminal number;
and under the condition that the operator after the terminal number corresponding to the terminal number is carried over is not inquired in a record table stored by the number portability network server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
4. The method according to claim 1, wherein the providing the network access service for the terminal through the AMF of the current operator comprises:
and providing network access service for the terminal through the AMF of the current operator in the area of the base station.
5. The method of claim 4, wherein the providing network access services for the terminal through the AMF of the current operator in the area of the base station comprises:
inquiring and acquiring an AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in an AMF corresponding table, wherein the AMF corresponding table comprises the corresponding relation of the operator, the area and the AMF identifier;
and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the operator in the area where the base station is located.
6. The method of claim 5, wherein the AMF mapping table is stored in a number portability server.
7. The method of claim 4,
before the receiving the network access request sent by the terminal, the method further comprises: establishing an AMF list, wherein the AMF list comprises the identifications of AMFs of a plurality of operators in the area where the base station is located;
the providing the network access service for the terminal through the AMF of the current operator in the area of the base station comprises:
inquiring and acquiring the AMF identifier of the current operator in the area of the base station according to the current operator and the area of the base station in the AMF list;
and providing network access service for the terminal through the AMF corresponding to the AMF identifier of the operator in the area where the base station is located.
8. A base station, characterized in that the base station comprises:
the terminal comprises a receiving module, a sending module and a receiving module, wherein the receiving module is used for receiving a network access request sent by a terminal, and the network access request comprises a terminal number corresponding to the terminal;
the processing module is used for inquiring and acquiring the current operator corresponding to the terminal number in a record table stored by the number portability server by taking the terminal number as an index, and the AMF of the current operator is used for providing network access service for the terminal, and the record table stored by the number portability server comprises the corresponding relation between the terminal number and the operator after the number portability of the terminal number.
9. The base station of claim 8, wherein the base station is a 5G base station.
10. The base station of claim 8, wherein the querying, in the number portability server, for the current operator corresponding to the terminal number by using the terminal number as an index comprises:
under the condition that an operator after the terminal number is carried over and the network is carried over corresponding to the terminal number is inquired in a record table stored by the number-carrying network-forwarding server, taking the operator after the terminal number is carried over and the network as a current operator corresponding to the terminal number;
and under the condition that the operator after the terminal number corresponding to the terminal number is carried over is not inquired in a record table stored by the number portability network server, taking the operator to which the terminal belongs when the terminal sends the network access request as the current operator corresponding to the terminal number.
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