CN113691936B - Terminal access method based on shared base station and shared base station - Google Patents
Terminal access method based on shared base station and shared base station Download PDFInfo
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- H—ELECTRICITY
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H04W48/00—Access restriction; Network selection; Access point selection
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a terminal access method based on a shared base station and the shared base station. The method comprises the following steps: inquiring number portability information corresponding to the terminal number from a number portability announcement block chain network according to the pre-acquired terminal number of the user terminal, and determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the number portability information corresponding to the terminal number is inquired; and determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF. The invention can accurately select the AMF for the number portability user and carry out terminal access, thereby improving the user experience and saving the network resources.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a terminal access method based on a shared base station and the shared base station.
Background
The number portability, also called number portability and number-change-free handover, means that a user of one home telecommunication operator can change to a user of another telecommunication operator without changing his or her number, and enjoy services provided by the other telecommunication operator.
However, for a shared base station of multiple operators, the common practice that the shared base station identifies the home operator according to the number is broken through number portability, so that the shared base station is difficult to select a corresponding Access and Mobility Management Function (AMF) for a User Equipment (UE) corresponding to the number, and further Access of the terminal cannot be realized.
Disclosure of Invention
Therefore, the invention provides a terminal access method based on a shared base station and the shared base station, which are used for solving the problem that the shared base station cannot realize terminal access due to number portability of users in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a method for accessing a terminal based on a shared base station, where the method includes:
the shared base station is a node in a number portability announcement blockchain network, and the node of the number portability announcement blockchain network also comprises operator systems of a plurality of operators; the method comprises the following steps:
inquiring number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal acquired in advance;
under the condition that the number portability information corresponding to the terminal number is inquired, determining a current operator system corresponding to the terminal number based on the number portability information;
and determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF.
Optionally, before querying, according to a terminal number of a user terminal obtained in advance, number portability information corresponding to the terminal number from the number portability announcement block chain network, the method further includes:
and establishing connection with the user terminal based on the cell search process initiated by the user terminal, and acquiring the terminal number and the terminal position of the user terminal.
Optionally, before establishing a connection with the user terminal based on the cell search procedure initiated by the user terminal, the method further includes:
and accessing the number portability announcement blockchain network, and establishing a connection relation with the AMF and the SMF corresponding to a plurality of operator systems.
Optionally, the number portability information is information that is pre-broadcast by the operator system in the number portability announcement blockchain network; and the number portability information is stored in a block chain account book of the number portability announcement block chain network.
Optionally, before determining a target AMF based on the pre-obtained terminal location of the user terminal and the AMF list corresponding to the current operator system, the method further includes:
acquiring an AMF list corresponding to the current operator system from the number portability announcement block chain network; or,
and acquiring an AMF list corresponding to the current operator system from local information.
Optionally, after querying, according to a terminal number of a pre-obtained user terminal, number portability information corresponding to the terminal number from the number portability announcement block chain network, the method further includes:
under the condition that the number portability information corresponding to the terminal number is not inquired, acquiring an initial operator system corresponding to the terminal number based on the terminal number;
and determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the initial operator system, and providing access registration for the user terminal based on the target AMF.
A second aspect of the present invention provides a shared base station, where the shared base station is a node in a number portability announcement blockchain network, and the node in the number portability announcement blockchain network further includes operator systems of multiple operators; the shared base station includes:
the inquiry module is used for inquiring number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal acquired in advance;
the determining module is used for determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the number portability information corresponding to the terminal number is inquired;
and the processing module is used for determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF.
Optionally, the shared base station further includes:
a connection module, configured to establish a connection with the user terminal based on a cell search procedure initiated by the user terminal;
and the acquisition module is used for acquiring the terminal number and the terminal position of the user terminal.
Optionally, the connection module is further configured to: and accessing the number portability announcement blockchain network, and establishing a connection relation with the AMF and the SMF corresponding to a plurality of operator systems.
Optionally, the number portability information is information that is broadcasted by the operator system in advance in the number portability announcement blockchain network; the number portability information is stored in a block chain account book of the number portability announcement block chain network.
The invention has the following advantages:
the invention provides a terminal access method based on a shared base station and the shared base station. The method comprises the following steps: inquiring number portability information corresponding to the terminal number from a number portability announcement blockchain network according to the pre-acquired terminal number of the user terminal, and determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the number portability information corresponding to the terminal number is inquired; the method comprises the steps of determining a target AMF based on a pre-acquired terminal position of a user terminal and an AMF list corresponding to a current operator system, providing access registration for the user terminal through the target AMF, realizing the process of accurately selecting the AMF for a number portability user and performing terminal access, improving user experience, verifying and guaranteeing user benefits, saving network resources and promoting the development of a 5G technology.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flowchart of a terminal access method based on a shared base station according to an embodiment of the present invention;
fig. 2 is a flowchart of another shared base station-based terminal access method according to an embodiment of the present invention;
fig. 3 is a flowchart of acquiring an AMF list corresponding to a current operator system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a shared base station according to an embodiment of the present invention;
fig. 5 is a diagram illustrating a terminal access system according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The number portability, also called number portability and number-change-free handover, means that a user of one home telecommunication operator can change to a user of another telecommunication operator without changing his or her number, and enjoy services provided by the other telecommunication operator.
However, for a shared base station of multiple operators, the common practice that the shared base station identifies the home operator according to the number is broken through number portability, so that the shared base station is difficult to select a corresponding Access and Mobility Management Function (AMF) for a User Equipment (UE) corresponding to the number, and further, the Access of the User cannot be realized.
In order to solve the above problem, embodiments of the present invention provide a terminal access method based on a shared base station. Fig. 1 is a terminal access method based on a shared base station according to an embodiment of the present invention. The shared base station refers to a base station capable of serving multiple operators at the same time, for example, a 5G (5 th generation mobile communication network) shared base station. The shared base station is a node in the number portability announcement blockchain network, and the node of the number portability announcement blockchain network further comprises operator systems of a plurality of operators.
As shown in fig. 1, the method for accessing a terminal based on a shared base station includes the following steps: step S101-step S103.
Step S101, inquiring number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal acquired in advance.
The user terminal may be, for example, a mobile terminal such as a mobile phone and an IPAD, and the terminal number may be, for example, a mobile phone number. The number portability announcement blockchain network is a blockchain network which is commonly constructed by operators and used for recording number portability information. The node of the number portability advertising blockchain network comprises a plurality of operator systems, at least one shared base station and at least one user terminal. The number portability information is information which is broadcasted in advance by a current operator system corresponding to the terminal number in the number portability announcement block chain network.
In one embodiment, when the user number corresponding to the terminal number is transferred to the operator system, the operator system generates and broadcasts a number portability information of the terminal number to a number portability announcement block chain network, where the number portability information is used to announce that the user corresponding to the terminal number has been transferred to the operator system. The number portability information is stored in a block chain account book of the number portability announcement block chain network and can be traced and inquired. The number portability information comprises a terminal number and identification information of a current operator system corresponding to the terminal number. And the current operator system corresponding to the terminal number is the operator system for the terminal number portability transfer.
In one embodiment, the shared base station may query, using a terminal number of a user terminal acquired in advance as an index, portability information corresponding to the terminal number from a block chain ledger of a portability announcement block chain network.
In one embodiment, the operator system broadcasts its corresponding AMF list to the portable number-transfer advertisement blockchain network at preset time intervals. The AMF list includes identification information of the operator system, identification information of the AMFs, and location information corresponding to each AMF. The preset time interval may be configured according to a specific implementation scenario, for example, 12 hours. In this embodiment, in order to avoid spoofing by a malicious node, the operator system may perform private key signature on the AMF list, and then broadcast the AMF list after the private key signature.
Fig. 2 is another terminal access method based on a shared base station according to an embodiment of the present invention. In an embodiment, before the step S101, that is, before the shared base station queries, according to the terminal number of the user terminal obtained in advance, the number portability information corresponding to the terminal number from the number portability announcement block chain network, as shown in fig. 2, the method for accessing a terminal based on a shared base station further includes: step S201 and step S202.
Step S201, establishing connection with the user terminal based on the cell search process initiated by the user terminal, and acquiring the terminal number and the terminal position of the user terminal.
In one embodiment, in order to maintain basic functions of the shared base station and guarantee terminal access, before the shared base station establishes a connection with the user terminal based on a cell search procedure initiated by the user terminal, the method further includes:
step S202, accessing the portable number network-switching announcement block chain network, and establishing a connection relation with an AMF (access and mobility Management Function) and an SMF (Session Management Function) corresponding to a plurality of operator systems.
In some embodiments, the AMFs and SMFs corresponding to multiple operator systems may establish a connection relationship with the shared base station through respective core networks or optical fibers.
And S102, under the condition that the number portability information corresponding to the terminal number is inquired, determining the current operator system corresponding to the terminal number based on the number portability information.
The number portability information includes the terminal number and the identification information of the current operator system corresponding to the terminal number, and the current operator system corresponding to the terminal number can be determined according to the identification information.
Step S103, determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF.
The AMF list corresponding to the current operator system comprises identification information of the current operator system, identification information of the AMFs and position information corresponding to the AMFs. The target AMF refers to an AMF corresponding to a terminal location of the user terminal included in an AMF list corresponding to the current operator system.
Fig. 3 is a flowchart for acquiring an AMF list corresponding to a current operator system according to an embodiment of the present invention. In an embodiment, before the step S103, that is, before determining the target AMF based on the pre-obtained terminal location of the ue and the AMF list corresponding to the current operator system, as shown in fig. 3, the method further includes: step S301.
S301, acquiring an AMF list corresponding to a current operator system from a number portability announcement block chain network; or, obtaining the AMF list corresponding to the current operator system from the local information.
It should be noted that, in some implementation scenarios, the shared base station may locally maintain the AMF list corresponding to the current operator system. Under the condition that the shared base station locally maintains the AMF list corresponding to the current operator system, the shared base station can acquire the AMF list corresponding to the current operator system from the local information. Under the condition that the shared base station does not locally maintain the AMF list corresponding to the current operator system, the shared base station can acquire the AMF list corresponding to the current operator system from the number portability advertising blockchain network.
In an embodiment, after the step S101, that is, after querying number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal obtained in advance, the method further includes: under the condition that the number portability information corresponding to the terminal number is not inquired, the initial operator system corresponding to the terminal number is obtained based on the terminal number, the target AMF is determined based on the pre-obtained terminal position of the user terminal and the AMF list corresponding to the initial operator system, and access registration is provided for the user terminal based on the target AMF.
The AMF list corresponding to the initial operator system may be obtained in the manner described in step S301.
It should be noted that, in the case that the number portability information corresponding to the terminal number is not queried, it is indicated that the terminal number is not subjected to number portability, and the shared base station may directly determine the initial operator system corresponding to the terminal number according to the terminal number.
The embodiment of the invention provides a terminal access method based on a shared base station, which comprises the steps of firstly inquiring number portability information corresponding to a terminal number from a number portability announcement block chain network according to the terminal number of a user terminal acquired in advance, determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the number portability information corresponding to the terminal number is inquired, then determining a target AMF based on the terminal position of the user terminal acquired in advance and an AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF so as to realize the process of accurately selecting the AMF for a number portability user and carrying out terminal access, thereby improving user experience, ensuring user benefits, saving network resources and promoting the development of a 5G technology.
Fig. 4 is a shared base station according to an embodiment of the present invention. The shared base station refers to a base station capable of serving multiple operators at the same time, for example, a 5G shared base station. The shared base station is a node in the number portability announcement blockchain network, and the node of the number portability announcement blockchain network further comprises operator systems of a plurality of operators.
As shown in fig. 4, the shared base station includes: a query module 41, a determination module 42 and a processing module 43.
The query module 41 is configured to query, according to a terminal number of a user terminal obtained in advance, number portability information corresponding to the terminal number from a number portability announcement block chain network.
The number portability information is information which is broadcasted in advance by the operator system in the number portability announcement blockchain network, and is stored in a blockchain account book of the number portability announcement blockchain network.
And the determining module 42 is configured to determine, based on the number portability information, a current operator system corresponding to the terminal number when the number portability information corresponding to the terminal number is queried.
And the processing module 43 is configured to determine a target AMF based on the pre-obtained terminal location of the user terminal and the AMF list corresponding to the current operator system, and provide access registration for the user terminal through the target AMF.
In one embodiment, the shared base station further comprises:
and the connection module is used for establishing connection with the user terminal based on a cell search process initiated by the user terminal.
And the acquisition module is used for acquiring the terminal number and the terminal position of the user terminal.
In one embodiment, the connection module is further configured to: and accessing the portable number network forwarding announcement block chain network, and establishing a connection relation with the AMF and the SMF corresponding to a plurality of operator systems.
In an embodiment, the determining module 42 is further configured to, when the inquiring module 41 does not inquire the number portability information corresponding to the terminal number, obtain the initial operator system corresponding to the terminal number based on the terminal number; the processing module 43 is further configured to determine a target AMF based on the pre-obtained terminal location of the user terminal and the AMF list corresponding to the initial operator system, and provide access registration for the user terminal based on the target AMF.
The working modes of the modules in the shared base station provided in this embodiment correspond to the steps in the terminal access method based on the shared base station, and therefore, for the detailed working modes of the modules in the shared base station, reference may be made to the terminal access method based on the shared base station provided in this embodiment.
The embodiment of the invention provides a shared base station.A query module is used for querying number portability information corresponding to a terminal number from a number portability announcement block chain network according to the terminal number of a user terminal acquired in advance, and a determination module is used for determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the query module queries the number portability information corresponding to the terminal number; the processing module is used for determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF so as to realize the process of accurately selecting the AMF for the number portability user and performing terminal access, improve user experience, check and guarantee user benefits, save network resources and promote the development of the 5G technology.
Fig. 5 is a diagram illustrating a terminal access system according to an embodiment of the present invention. As shown in fig. 5, the terminal access system includes: at least one user terminal 51, at least one shared base station 52, a plurality of operator systems 53 and a number portability announcement blockchain network 54. The operator system 53 includes an AMF, an SMF, and a UDM (Unified Data Management entity).
It should be noted that, the working modes of the ue, the shared bs, the operator system and the portable number-transfer advertisement blockchain network in the terminal access system are detailed in the above embodiments of the present invention, and are not described herein again.
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 scope of the invention, and such modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. A terminal access method based on a shared base station is characterized in that the shared base station is a node in a number portability announcement blockchain network, and the node of the number portability announcement blockchain network also comprises operator systems of a plurality of operators; the method comprises the following steps:
inquiring number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal acquired in advance;
under the condition that the number portability information corresponding to the terminal number is inquired, determining a current operator system corresponding to the terminal number based on the number portability information;
determining a target AMF based on the pre-acquired terminal position of the user terminal and an AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF;
before querying number portability information corresponding to the terminal number from the number portability announcement block chain network according to the pre-acquired terminal number of the user terminal, the method further includes:
and establishing connection with the user terminal based on the cell search process initiated by the user terminal, and acquiring the terminal number and the terminal position of the user terminal.
2. The method of claim 1, wherein before the establishing the connection with the user terminal based on the user terminal initiated cell search procedure, further comprising:
and accessing the number portability announcement blockchain network, and establishing a connection relation with the AMF and the SMF corresponding to a plurality of operator systems.
3. The method of claim 1, wherein the number portability information is information that is pre-broadcast by the operator system in the number portability announcement blockchain network; the number portability information is stored in a block chain account book of the number portability announcement block chain network.
4. The method according to claim 1, wherein before determining the target AMF based on the pre-obtained terminal location of the ue and the AMF list corresponding to the current operator system, the method further comprises:
acquiring an AMF list corresponding to the current operator system from the number portability announcement block chain network; or,
and acquiring an AMF list corresponding to the current operator system from local information.
5. The method according to claim 1, wherein after querying, according to a terminal number of a user terminal obtained in advance, number portability information corresponding to the terminal number from the number portability announcement block chain network, the method further comprises:
under the condition that the number portability information corresponding to the terminal number is not inquired, acquiring an initial operator system corresponding to the terminal number based on the terminal number;
and determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the initial operator system, and providing access registration for the user terminal based on the target AMF.
6. A shared base station, wherein the shared base station is a node in a portable network-to-public announcement blockchain network, and wherein the node in the portable network-to-public announcement blockchain network further comprises operator systems of a plurality of operators; the shared base station includes:
the inquiry module is used for inquiring number portability information corresponding to the terminal number from the number portability announcement block chain network according to the terminal number of the user terminal acquired in advance;
the determining module is used for determining a current operator system corresponding to the terminal number based on the number portability information under the condition that the number portability information corresponding to the terminal number is inquired;
the processing module is used for determining a target AMF based on the pre-acquired terminal position of the user terminal and the AMF list corresponding to the current operator system, and providing access registration for the user terminal through the target AMF;
before querying number portability information corresponding to the terminal number from the number portability announcement block chain network according to the pre-acquired terminal number of the user terminal, the method further includes:
and establishing connection with the user terminal based on the cell search process initiated by the user terminal, and acquiring the terminal number and the terminal position of the user terminal.
7. The shared base station of claim 6, further comprising:
a connection module, configured to establish a connection with the user terminal based on a cell search procedure initiated by the user terminal;
and the acquisition module is used for acquiring the terminal number and the terminal position of the user terminal.
8. The shared base station of claim 7, wherein the connection module is further configured to: and accessing the number portability announcement blockchain network, and establishing a connection relation with the AMF and the SMF corresponding to a plurality of operator systems.
9. The shared BS of claim 6, wherein the portable network transfer information is information that is pre-broadcast by the operator system in the portable network transfer advertisement blockchain network; the number portability information is stored in a block chain account book of the number portability announcement block chain network.
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| CN110418324A (en) * | 2018-04-26 | 2019-11-05 | 华为技术有限公司 | A kind of methods, devices and systems of determining registration area |
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