CN109561430A - A kind of implementation method and equipment of public network user access private network - Google Patents

A kind of implementation method and equipment of public network user access private network Download PDF

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Publication number
CN109561430A
CN109561430A CN201710884782.3A CN201710884782A CN109561430A CN 109561430 A CN109561430 A CN 109561430A CN 201710884782 A CN201710884782 A CN 201710884782A CN 109561430 A CN109561430 A CN 109561430A
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CN
China
Prior art keywords
network
public network
element device
authentication
user terminal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201710884782.3A
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Chinese (zh)
Inventor
倪靖清
尚小天
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Publication date
Application filed by Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Priority to CN201710884782.3A priority Critical patent/CN109561430A/en
Priority to PCT/CN2018/101519 priority patent/WO2019062384A1/en
Publication of CN109561430A publication Critical patent/CN109561430A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/09Mapping addresses
    • H04L61/10Mapping addresses of different types
    • H04L61/106Mapping addresses of different types across networks, e.g. mapping telephone numbers to data network addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1073Registration or de-registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • H04L65/1104Session initiation protocol [SIP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08Access security

Abstract

The present invention relates to mobile communication technology fields, more particularly to a kind of implementation method and equipment of public network user access private network, wherein, method provided by the invention can be applied in the first network element device in private network core net, it specifically includes: receiving the access request for the identification information comprising public network user terminal that the public network user terminal in private network coverage area is sent by private network base station, it is being based on pre-stored public network user information, determine that public network user terminal passes through after access authentication, the second network element device into public network core net sends the authentication request for carrying identification information, the authentication request is used to indicate the second network element device and authenticates to public network user terminal, and the second network element device is being received after the authentication success response sent after authenticating successfully, by private network base station to public network user terminal send authentication at Function response.In such manner, it is possible to make public network user in the case where being changed without SIM card, access private network and carry out normal communication.

Description

A kind of implementation method and equipment of public network user access private network
Technical field
The implementation method of private network is accessed the present invention relates to mobile communication technology field more particularly to a kind of public network user and is set It is standby.
Background technique
With fourth generation mobile communication technology (4th Generation Mobile Communication Technology, 4G) the continuous maturation of network disposed special using advanced communication mechanism under 4G network in some enterprises 4G wireless network, i.e. 4G private network are come functions such as the wireless communications of realizing enterprises.Wherein, so-called private network be relative to public network and Speech, public network refers to the public wireless communication network of telecom operators' operation, and private network is then the self-built wireless network of certain enterprises Network is generally deployed in the region that public network does not cover, such as the wireless communication system that industrial and mining enterprises establish in mine or tunnel.
In the prior art, private network user need to use the specific subscriber identification card of private network under 4G private network environment (Subscriber Identity Module, SIM card), Lai Shixian in 4G private network overlay area with its under 4G private network environment Its private network user communicates.And for using in the public network user for the SIM card that public network is opened an account, it is covered in 4G private network When in region, since 4G private network base station and public network base station use identical wireless communication mechanism, therefore 4G private network base station can be received The access request of public network user is simultaneously reported to private network network side, but since private network network side equipment cannot know public network user The information such as identity information and authentication key, therefore private network network side can not determine whether public network user has legal identity, in turn Public network user is forbidden to access 4G private network.Therefore, when public network user switches in private network coverage area in by public network coverage area When, it also needs for SIM card to be changed to the specific SIM card of private network, and also need to change the terminal customized specifically for private network sometimes and set It is standby.
It can be seen that the problem of public network user can not access 4G private network exists in the prior art.
Summary of the invention
The implementation method of private network is accessed the present invention relates to mobile communication technology field more particularly to a kind of public network user and is set It is standby, to solve the problems, such as that public network user existing in the prior art can not access 4G private network.
Specific technical solution provided in an embodiment of the present invention is as follows:
In a first aspect, a kind of implementation method of public network user access private network, comprising:
The first network element device in private network core net receives the public network user terminal in private network coverage area and passes through specially The access request that base station is sent is netted, includes the identification information of the public network user terminal in the access request;
First network element device is based on pre-stored public network user information, accesses to the public network user terminal Certification, and after determining that access authentication passes through, the second network element device transmission into public network core net carries the identity mark Know the authentication request of information, the authentication request is used to indicate second network element device and is based on the pre-stored and identity The corresponding user authentication information of identification information authenticates the public network user terminal;
First network element device receives the authentication success response that second network element device is sent after authenticating successfully, and The authentication success response is sent to the public network user terminal by the private network base station.
Optionally, first network element device is based on pre-stored public network user information, to the public network user terminal Carry out access authentication, comprising:
First network element device is if it is determined that local be previously stored with public network user corresponding with the identification information Information, it is determined that the public network user terminal passes through access authentication.
Optionally, second network element device transmission of first network element device into public network core net carries the identity The authentication request of identification information, comprising:
The private network base station that first network element device will carry in the access request that the private network base station is sent Address information replace with preset address information, using replace address information after access request as the authentication request;
First network element device is by the standard protocol interface reached an agreement in advance with second network element device, to the public affairs The second network element device in net core net sends the authentication request.
Optionally, the address information of the private network base station is being replaced with preset address information by first network element device Before, the method also includes:
The mapping that first network element device establishes the address information of the identification information and the private network base station is closed System;
First network element device sends described authenticate to the public network user terminal by the private network base station and successfully rings It answers, comprising:
First network element device obtains the identification information carried in the authentication success response;
The mapping relations of first network element device based on foundation obtain institute corresponding with the identification information State the address information of private network base station;
First network element device is according to the address information of the private network base station of acquisition, by the private network base station to institute It states public network user terminal and sends the authentication success response.
Second aspect, a kind of implementation method of public network user access private network, comprising:
The second network element device in public network core net receives the authentication that the first network element device in private network core net is sent and asks It asks;Wherein, the identification information comprising the public network user terminal in private network coverage area in the authentication request, and institute State authentication request be first network element device based on pre-stored public network user information to the public network user terminal into Row access authentication, and determine and sent after access authentication passes through;
Second network element device is based on pre-stored user authentication information corresponding with the identification information, right The public network user terminal is authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu sends authentication success response.
The third aspect, a kind of realization equipment of public network user access private network, comprising:
Receiving unit is connect for receiving the public network user terminal being in private network coverage area by what private network base station was sent Enter request, includes the identification information of the public network user terminal in the access request;
First processing units connect the public network user terminal for being based on pre-stored public network user information Enter certification, and after determining that access authentication passes through, the second network element device transmission into public network core net carries the identity The authentication request of identification information, the authentication request are used to indicate second network element device and are based on the pre-stored and body The corresponding user authentication information of part identification information, authenticates the public network user terminal;
The second processing unit, the authentication success response sent after authenticating successfully for receiving second network element device, And the authentication success response is sent to the public network user terminal by the private network base station.
Optionally, it is based on pre-stored public network user information, when carrying out access authentication to the public network user terminal, institute First processing units are stated to be used for:
If it is determined that local be previously stored with public network user information corresponding with the identification information, it is determined that the public affairs Network users terminal passes through access authentication.
Optionally, the authentication that the second network element device transmission into public network core net carries the identification information is asked When asking, the first processing units are used for:
The address information of the private network base station carried in the access request of private network base station transmission is replaced with Preset address information, using the access request after replacement address information as the authentication request;
By the standard protocol interface reached an agreement in advance with second network element device, in Xiang Suoshu public network core net second Network element device sends the authentication request.
Optionally, the equipment further includes establishing unit, and the unit of establishing is for by the address of the private network base station Before information replaces with preset address information, following operation is executed:
Establish the mapping relations of the address information of the identification information and the private network base station;
When sending the authentication success response to the public network user terminal by the private network base station, the second processing Unit is used for:
Obtain the identification information carried in the authentication success response;
The mapping relations based on foundation obtain the address of the private network base station corresponding with the identification information Information;
According to the address information of the private network base station of acquisition, sent out by the private network base station to the public network user terminal Send the authentication success response.
Fourth aspect, a kind of realization equipment of public network user access private network, comprising:
Receiving unit, for receiving the authentication request of the transmission of the first network element device in private network core net;Wherein, the mirror Identification information comprising the public network user terminal in private network coverage area in power request, and the authentication request is institute It states the first network element device and access authentication is being carried out to the public network user terminal based on pre-stored public network user information, and really Determine to send after access authentication passes through;
Authenticating unit, for being based on pre-stored user authentication information corresponding with the identification information, to institute Public network user terminal is stated to be authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu sends authentication success response.
5th aspect, a kind of electronic equipment, comprising: one or more processors;And it is one or more computer-readable Medium is stored on the readable medium for realizing the program of public network user access private network, wherein described program is by described one When a or multiple processors execute, the step of realizing method as described in any one of second aspect.
6th aspect, one or more computer-readable mediums are stored on the readable medium for realizing public network use The program of family access private network, wherein when described program is executed by one or more processors, so that processor executes such as second party Method described in any one of face.
7th aspect, a kind of electronic equipment, comprising: one or more processors;And it is one or more computer-readable Medium is stored on the readable medium for realizing the program of public network user access private network, wherein described program is by described one When a or multiple processors execute, the step of realizing method as described in the third aspect.
Eighth aspect, one or more computer-readable mediums are stored on the readable medium for realizing public network use The program of family access private network, wherein when described program is executed by one or more processors, so that processor executes such as third party Method described in face.
The embodiment of the present invention has the beneficial effect that: by being stored in advance in the first network element device in private network core net Public network user information is asked in the public network user terminal received in private network coverage area by the access that private network base station is sent After asking, can public network user information according to the pre-stored data, to the public network user terminal carry out access authentication.Further, exist Determine access authentication success after, the identification information of the public network user terminal can be reported in public network core net second Network element device is based on pre-stored user authentication information corresponding with the identification information by the second network element device, right The public network user terminal is authenticated.It can be seen that the completion pair in the first network element device of private network core net in the present invention The access authentication of the public network user terminal is completed in the second network element device of public network core net to the public network user terminal Authentication and notify can to make private network to first network element device to complete the access to the public network user terminal authenticating result And authentication, and then public network user can be reached in the case where being changed without SIM card, access private network and carry out the mesh of normal communication 's.
Detailed description of the invention
Fig. 1 interacts signal between private network side provided in an embodiment of the present invention network element device and public network side network element device Figure;
Fig. 2 is the signal for the different function that base station proxy module is realized in private network and public network in the embodiment of the present invention Figure;
Fig. 3 is the flow chart for the implementation method that a kind of public network user provided in an embodiment of the present invention accesses private network;
Fig. 4 is that public network user terminal provided in an embodiment of the present invention completes the schematic diagram of a scenario for networking and authenticating;
Fig. 5 is the schematic diagram one that a kind of public network user provided in the embodiment of the present invention accesses the realization equipment of private network;
Fig. 6 is the schematic diagram two that a kind of public network user provided in the embodiment of the present invention accesses the realization equipment of private network.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.
The problems in 4G private network can not be accessed in order to solve public network user existing in the prior art, the invention proposes one The implementation method and equipment of kind public network user access private network can make the public network user end for being equipped with the SIM card opened an account in public network End, can not only use in public network, can also use inside private network in the case where being changed without SIM card.Wherein, to reality Existing public network user terminal uses inside private network, then public network user terminal in private network firstly the need of completing to access and authentication Process.So in the embodiment of the present invention, by evolved packet core to private network LTE system (Evolved Packet Core, EPC) the first network element device in network improves, and the first network element device can be made to complete whole to the public network user of request access End is authenticated, and is improved by the second network element device in the EPC network to public network LTE system, private network EPC may be implemented The docking of network and public network EPC network, and then the public network to request access is completed by the second network element device in public network EPC network User terminal is authenticated, to make public network user terminal be successfully registered in private network and use.
It should be noted that in the description of the embodiment of the present invention, the vocabulary such as " first ", " second " are only used for distinguishing and retouch The purpose stated, is not understood to indicate or imply relative importance, can not be interpreted as indication or suggestion sequence.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
Firstly, shown in referring to Fig.1, be private network side provided in an embodiment of the present invention network element device and public network side network element device it Between interaction schematic diagram.
Private network EPC network side includes the first network element device, and public network EPC network side includes the second network element device, and private network IP is more Media subsystem (IP Multimedia Subsystem, IMS) network side includes third network element device, public network IMS network side packet Include the 4th network element device.
In the following, first to the second network element device in the first network element device in private network EPC network side and public network EPC network side Interactive process be specifically introduced.
First network element device can be used for: the public network user terminal received in private network coverage area is sent out by private network base station The access request sent includes the identification information of public network user terminal in the access request;It is used based on pre-stored public network Family information carries out access authentication to public network user terminal;And after determining that access authentication passes through, taken to the transmission of the second network element device Authentication request with the identification information;After the authentication success response for receiving the transmission of the second network element device, pass through Private network base station sends authentication success response to public network user terminal.
Second network element device can be used for: after receiving authentication request, be believed based on pre-stored with the identity Corresponding user authentication information is ceased, public network user terminal is authenticated;And after authenticating successfully, sent to the first network element device Authenticate success response.
In the embodiment of the present invention, first network element device may include first movement management entity (Mobile Managenment Entity, MME), the first home signature user server (Home Subscriber Server, HSS) with And base station proxy module etc.;Second network element device may include the 2nd MME, the 2nd HSS etc..
It can be interacted between first MME and the first HSS, realize the access of the public network user terminal to request access private network Certification.Specifically, the first MME in the first network element device can be used for request the identity mark of the public network user terminal of access private network Know information etc. and be reported to the first HSS, the specified public network user information for allowing to access private network can be stored in advance in the first HSS, use Access authentication is carried out in the public network user terminal to request access private network.Wherein, the identification information of public network user terminal can International mobile subscriber identity (the International Mobile stored in the SIM card used for public network user terminal Subscriber Identity, IMSI) information etc..
Base station proxy module is mainly used for through the standard protocol interface open with the agreement of public network EPC network side, realize with The communication of second network element device of public network EPC network side.It can be deployed in the first MME, also can be used as individual net in EPC network Element device does not influence the realization of its function.
Specifically, it can refer to shown in Fig. 2, illustrate the different function that base station proxy module is realized in private network and public network Energy.
It, can be by multiple base station maps of Enterprise Special Network to same base station, i.e. base station proxy module, base station for private network The source address information carried in information that different private network base stations are sent is replaced with the address information of itself by proxy module, and to replace For address information after changing as source address information, the second network element device into public network sends information.Also, believe in replacement address Before breath, base station proxy module can establish the mapping of the identification information of public network user terminal and the address information of private network base station Relationship, so that the response message for feeding back the second network element device passes through the private network base with the public network user terminal with mapping relations Station is sent to the public network user terminal.Wherein, the mapping relations of foundation concretely the IMSI information of public network user terminal and specially Net the mapping relations between Internet protocol address (Internet Protocol Address, IP address) information of base station.
For public network, which can be considered after open standard protocol interface, with the second network element device A public network base station for establishing communication connection, for the relevant information of public network user terminal to be reported to the second network element device.Its In, standard protocol interface open between the first network element device and the second network element device can be S1 interface here, and the second network element is set The standby communication connection established with base station proxy module can be Flow Control Transmission Protocol (Stream Control Transmission Protocol, SCTP) link, certainly, when it is implemented, can also open other standard protocol interfaces according to actual needs, or build It is communicated to connect under vertical differing transmission protocols, the present invention does not limit this.
Specifically, base station proxy module can obtain the authentication result information interacted between the first MEE and the first HSS, And after determining that public network user terminal access authentication passes through, by the private network base station carried in access request that private network base station is sent Address information replaces with the address information of itself, using the access request behind replacement address as authentication request, passes through open S1 Interface and communication connection based on foundation is sent to the second network element device, is completed by the second network element device to public network user with realizing The authentication of terminal.
Base station proxy module after receiving the second network element device to the success of public network user terminal authentication the authentication that sends at After function response, it can be closed according to the mapping of the address information of the identification information and private network base station of the public network user terminal of foundation System authenticates the destination address information carried in success response and is replaced with and the identity mark by the address information of base station proxy module Know the address information of the corresponding private network base station of information, and the authentication success response of address after replacement is sent to private network base station, into And the public network user terminal is transmitted to by private network base station.
With continued reference to shown in Fig. 1, the 4th net of third network element device and public network IMS network side to private network IMS network side The interactive process of element device is introduced.
For the intercommunication for realizing communication service between private network and public network, in the embodiment of the present invention, the third of private network IMS network side It can be docked by standard protocol interface SIP interface between network element device and the 4th network element device of public network IMS network side.
Public network user terminal can further pass through private network base station and the first network element device after being successfully accessed to private network IMS network registration request is sent to third network element device.Correspondingly, third network element device successfully infuses the public network user terminal After volume is into the IMS network of private network side, can also it pass through session initiation protocol (Session Initiation Protocol, SIP) Interface sends IMS network registration request to the 4th network element device, so that the 4th network element device is successful by the public network user terminal It is registered in the IMS network of public network side.In this way, public network user terminal is when in the private network coverage area, not only can with it is special Other public network users in net coverage area carry out the business such as voice communication, can also access public network IMS by private network IMS network Network, and then the communication services such as voice communication are carried out with other public network user terminals in public network coverage area.On also, State public network user terminal by private network IMS network access public network IMS network process, perceived for user side less than, Without carrying out additional operation, the internetwork roaming that just may be implemented in public network and private network uses public network user terminal.
Based on the above-mentioned introduction to the interactive process between private network side network element device and the network element device of public network side, the present invention is real It applies example and additionally provides a kind of implementation method of public network user access private network, specific method flow chart can refer to shown in Fig. 3, including with Lower step:
Step 301: it is whole that the first network element device in private network core net receives the public network user in private network coverage area The access request sent by private network base station is held, the identity comprising the public network user terminal is believed in the access request Breath.
Wherein, the public network user terminal in private network coverage area can be received by the first MME in the first network element device By the access request for the identification information for carrying public network user terminal that private network base station is sent, and access request is reported To the first HSS in the first network element device, access authentication is carried out to public network user terminal by the first HSS.Wherein, in the first HSS In the specified public network user information for allowing to access private network can be stored in advance.
Step 302: first network element device is based on pre-stored public network user information, to the public network user terminal Access authentication is carried out, and after determining that access authentication passes through, the second network element device into public network core net, which is sent, to be carried State the authentication request of identification information.
Wherein, pre-stored public network user information can be based on by the first HSS, access is carried out to public network user terminal and is recognized Card.Wherein, however, it is determined that local to be previously stored with public network user information corresponding with the identification information, it is determined that public network is used Family terminal is by access authentication, on the contrary, however, it is determined that local that public network use corresponding with the identification information is not stored in advance Family information, it is determined that public network user terminal is not over access authentication.First HSS can pass through after carrying out access authentication One MME sends authentication result information to base station proxy module, and authentication result information is used to indicate with the identification information Public network user terminal whether pass through access authentication.
Further, base station proxy module can determine whether public network user terminal passes through access according to authentication result information Certification.And after determining that access authentication passes through, the second network element device transmission into public network core net carries the identity mark Know the authentication request of information.
Here, it is contemplated that the information such as the authentication key of public network user terminal can not be known in private network, it can not be to public network user Terminal is authenticated, therefore in the embodiment of the present invention, it can be assisted by open standard between the first network element device and the second network element device Interface S1 interface is discussed, realization private network EPC network is docked with public network EPC network, and then by the second network element in public network EPC network Equipment completes the authentication to public network user terminal.
Wherein, second network element device of the base station proxy module into public network core net, which is sent, carries the identification information Authentication request, specifically can include: the institute that base station proxy module will carry in the access request that the private network base station is sent The address information for stating private network base station replaces with preset address information, using the access request after replacement address information as the mirror Power request, and the standard protocol interface by reaching an agreement in advance with second network element device, the in Xiang Suoshu public network core net Two network element devices send the authentication request.
Also, base station proxy module is before replacing with preset address information for the address information of the private network base station, The mapping relations that the address information of the identification information and the private network base station can also be established, are receiving in order to subsequent After the relevant information for carrying the identification information that second network element device is sent, by having with the identification information The private network base station of mapping relations sends relevant information to the public network user terminal with the identification information.
Step 303: second network element device is based on pre-stored user's mirror corresponding with the identification information Information is weighed, the public network user terminal is authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu send authentication at Function response.
Specifically, what the receivable base station proxy module of the 2nd MME in the second network element device was sent carries the identity The authentication request of identification information, and received authentication request is transmitted to the 2nd HSS.Due to the 2nd HSS in public network EPC network It is previously stored with the user authentication information of public network user, therefore the 2nd HSS can be based on the pre-stored and identification information Corresponding user authentication information authenticates public network user terminal, and can be after the authentication is passed, by the 2nd MME to The base station proxy module of one network element device sends authentication success response.So far, the achievable authentication to public network user terminal.
In addition, the second network element device of public network EPC network side when sending authentication success response, can carry network authentication letter Breath, so that public network user terminal can authenticate network side based on network authentication information after receiving authentication success response. Here, specific network side and the authentication process of user side can refer to the prior art, not be specifically addressed in the present invention.
Step 304: first network element device receive authentication that second network element device is sent after authenticating successfully at Function response, and the authentication success response is sent to the public network user terminal by the private network base station.
Specifically, the first network element device sends described authenticate successfully to the public network user terminal by the private network base station Response, specifically can include: base station proxy module obtains the identification information carried in the authentication success response, and base In the mapping relations of the address information of the identification information and the private network base station that pre-establish, obtain and the identity The address information of the corresponding private network base station of identification information;And then the address information of the private network base station according to acquisition, lead to It crosses the private network base station and sends the authentication success response to the public network user terminal.
It can be seen that being completed in the first network element device of private network core net to the public network user terminal in the present invention Access authentication is completed in the second network element device of public network core net to the authentication of the public network user terminal and by authenticating result Notify access and authentication that first network element device private network can complete to the public network user terminal, and then can Reach public network user in the case where being changed without SIM card, access private network and carries out the purpose of normal communication.
In the following, providing a specific embodiment in conjunction with above-described embodiment and accessing 4G private network and authentication to public network user terminal Etc. processes be described in detail, specifically can refer to schematic diagram of a scenario as shown in Figure 4:
Wherein, it is shown in figure 1.~9. indicate public network user terminal networking and authorizing procedure, specifically:
1. public network user terminal sends the access request for carrying IMSI to 4G private network base station.
2. the access request is transmitted to the first MME in private network EPC by 4G private network base station.
3. the IMSI of the public network user terminal is sent to the first HSS by the first MME in private network EPC, by the first HSS into Row access authentication;
First HSS judges locally whether be previously stored with the IMSI of the public network user terminal, if so, notifying the first MME Allow the public network user terminal to access private network, otherwise, notifies the first MME that the public network user terminal is not allowed to access private network;
First MME gives access authentication result notice to base station proxy module, and base station proxy module allows the public network in determination After user terminal accesses private network, by open S1 interface, the 2nd MME into operator EPC sends the mirror for carrying IMSI Power request.
Here it is to be noted that it base station proxy module is when sending authentication request, it can be by source IP address, i.e. 4G private network The IP address information of base station is changed to the IP address of base station proxy module, so that the not direct access operator network of private network, reaches Reduce the purpose of the security maintenance difficulty of private network equipment.Also, for the information sent in subsequently received operator EPC network When, it can recognize that it is sent to public network user terminal via which 4G private network base station, can also receive 4G private network base station After the access request of forwarding, the mapping relations of the IP address of IMSI and 4G the private network base station of public network user terminal are established.
4. twoth HSS of the 2nd MME into carrier network sends the IMSI of the public network user terminal.
5. the 2nd HSS is according to the user authentication information corresponding with the IMSI of the public network user terminal being locally stored, to this Public network user terminal is authenticated, if authenticating successfully, carries network authentication information to the 2nd MME feedback and the public network is used The authentication success response of the IMSI of family terminal.
6. the 2nd MME sends the authentication success response to base station proxy module;
Base station proxy module obtains the IMSI carried in authentication success response, and the IMSI based on foundation and 4G private network base station IP address mapping relations, the IP address for obtaining corresponding with IMSI 4G private network base station passes through according to the IP address of acquisition 4G private network base station sends authentication success response to public network user terminal.
Wherein, public network user terminal can be completed based on the network authentication information carried in authentication success response to network side Authentication.
So far, networking and authorizing procedure of the achievable public network user terminal after switching to private network by carrier network. When public network user terminal by private network when switching back into carrier network, due to being completed in carrier network to the public network user The authentication of terminal, therefore public network user terminal can be used directly in the operator network.
In addition, for the Generation Mobile Telecommunication System technology (2th for being able to use public network user terminal in carrier network Generation Mobile Communication Technology, 2G) network and 3rd generation mobile communication technology (3th Generation Mobile Communication Technology, 3G) network, it can also proceed as follows:
7. the 2nd MME in carrier network can also be by the related phase for realizing 2G, 3G communication of public network user terminal Information registering is closed in mobile switching centre, operator (Mobile Switching Center, MSC).
8. operator MSC can send response of succeeding in registration to the 2nd MME after succeeding in registration.
9. the 2nd MME is succeeded in registration by private network base station proxy module and 4G private network base station to the return of public network user terminal Response.
In addition, for the public network user terminal for being successfully accessed private network also IMS business can be initiated to the IMS network of private network Register flow path, specifically include:
A, public network user terminal sends IMS network note to private network IMS network side by 4G private network base station and private network EPC Volume request.
B, after private network IMS network side is in the IMS network that the public network user terminal is successfully registered to private network side, can pass through Private network EPC and 4G private network base station sends response of succeeding in registration to the public network user terminal.
C, IMS network registration request can be transmitted in operator by private network IMS network side by open SIP interface IMS network.
D, it after operator's IMS network side is completed to the registration of the public network user terminal, feeds back and registers to private network IMS network side Success response.
Based on above content it is found that public network user terminal is not in the case where influencing normal communication, realize in private network and Arbitrary switch in carrier network.Also, public network user terminal can also be realized and be runed even in private network coverage area Public network user terminal in quotient's network communicates.
Based on the above embodiment, as shown in fig.5, in the embodiment of the present invention, a kind of public network user access private network is provided It realizes equipment (e.g., the first network element device of private network core net), includes at least receiving unit 50, first processing units 51 and the Two processing units 52, wherein
Receiving unit 50 is sent for receiving the public network user terminal being in private network coverage area by private network base station Access request includes the identification information of the public network user terminal in the access request;
First processing units 51 carry out the public network user terminal for being based on pre-stored public network user information Access authentication, and after determining that access authentication passes through, the second network element device transmission into public network core net carries the body The authentication request of part identification information, the authentication request be used to indicate second network element device be based on it is pre-stored with it is described The corresponding user authentication information of identification information authenticates the public network user terminal;
The second processing unit 52 is successfully rung for receiving the authentication that second network element device is sent after authenticating successfully It answers, and the authentication success response is sent to the public network user terminal by the private network base station.
Optionally, it is based on pre-stored public network user information, when carrying out access authentication to the public network user terminal, institute First processing units 51 are stated to be used for:
If it is determined that local be previously stored with public network user information corresponding with the identification information, it is determined that the public affairs Network users terminal passes through access authentication.
Optionally, the authentication that the second network element device transmission into public network core net carries the identification information is asked When asking, the first processing units 51 are used for:
The address information of the private network base station carried in the access request of private network base station transmission is replaced with Preset address information, using the access request after replacement address information as the authentication request;
By the standard protocol interface reached an agreement in advance with second network element device, in Xiang Suoshu public network core net second Network element device sends the authentication request.
Optionally, the equipment further includes establishing unit 53, and the unit 53 of establishing is for by the private network base station Before address information replaces with preset address information, following operation is executed:
Establish the mapping relations of the address information of the identification information and the private network base station;
When sending the authentication success response to the public network user terminal by the private network base station, the second processing Unit 52 is used for:
Obtain the identification information carried in the authentication success response;
The mapping relations based on foundation obtain the address of the private network base station corresponding with the identification information Information;
According to the address information of the private network base station of acquisition, sent out by the private network base station to the public network user terminal Send the authentication success response.
Based on the above embodiment, as shown in fig.6, in the embodiment of the present invention, a kind of public network user access private network is also provided Realization equipment (e.g., the second network element device of public network core net), include at least receiving unit 60 and authenticating unit 61, wherein
Receiving unit 60, for receiving the authentication request of the transmission of the first network element device in private network core net;Wherein, described Identification information comprising the public network user terminal in private network coverage area in authentication request, and the authentication request is First network element device is carrying out access authentication to the public network user terminal based on pre-stored public network user information, and It determines and sends after access authentication passes through;
Authenticating unit 61 is right for being based on pre-stored user authentication information corresponding with the identification information The public network user terminal is authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu sends authentication success response.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims (14)

1. a kind of implementation method of public network user access private network characterized by comprising
The first network element device in private network core net receives the public network user terminal in private network coverage area and passes through private network base The access request that station is sent includes the identification information of the public network user terminal in the access request;
First network element device is based on pre-stored public network user information, carries out access to the public network user terminal and recognizes Card, and after determining that access authentication passes through, the second network element device transmission into public network core net carries the identity The authentication request of information, the authentication request are used to indicate second network element device and are based on the pre-stored and identity mark Know the corresponding user authentication information of information, the public network user terminal is authenticated;
First network element device receives the authentication success response that second network element device is sent after authenticating successfully, and passes through The private network base station sends the authentication success response to the public network user terminal.
2. the method as described in claim 1, which is characterized in that first network element device is based on pre-stored public network user Information carries out access authentication to the public network user terminal, comprising:
First network element device if it is determined that local be previously stored with public network user information corresponding with the identification information, Then determine that the public network user terminal passes through access authentication.
3. the method as described in claim 1, which is characterized in that second net of first network element device into public network core net Element device sends the authentication request for carrying the identification information, comprising:
First network element device is by the ground of the private network base station carried in the access request that the private network base station is sent Location information replaces with preset address information, using the access request after replacement address information as the authentication request;
First network element device passes through the standard protocol interface reached an agreement in advance with second network element device, Xiang Suoshu public network core The second network element device in heart net sends the authentication request.
4. method as claimed in claim 3, which is characterized in that first network element device is by the address of the private network base station Before information replaces with preset address information, the method also includes:
First network element device establishes the mapping relations of the address information of the identification information and the private network base station;
First network element device sends the authentication success response, packet to the public network user terminal by the private network base station It includes:
First network element device obtains the identification information carried in the authentication success response;
The mapping relations of first network element device based on foundation obtain corresponding with the identification information described special Net the address information of base station;
First network element device is according to the address information of the private network base station of acquisition, by the private network base station to the public affairs Network users terminal sends the authentication success response.
5. a kind of implementation method of public network user access private network characterized by comprising
The second network element device in public network core net receives the authentication request that the first network element device in private network core net is sent;Its In, the identification information comprising the public network user terminal in private network coverage area in the authentication request, and the mirror Power request is that first network element device connects the public network user terminal based on pre-stored public network user information Enter certification, and determines and sent after access authentication passes through;
Second network element device is based on pre-stored user authentication information corresponding with the identification information, to described Public network user terminal is authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu sends authentication success response.
6. a kind of realization equipment of public network user access private network characterized by comprising
Receiving unit is asked for receiving the public network user terminal being in private network coverage area by the access that private network base station is sent It asks, includes the identification information of the public network user terminal in the access request;
First processing units carry out access to the public network user terminal and recognize for being based on pre-stored public network user information Card, and after determining that access authentication passes through, the second network element device transmission into public network core net carries the identity The authentication request of information, the authentication request are used to indicate second network element device and are based on the pre-stored and identity mark Know the corresponding user authentication information of information, the public network user terminal is authenticated;
The second processing unit, the authentication success response sent after authenticating successfully for receiving second network element device, and lead to It crosses the private network base station and sends the authentication success response to the public network user terminal.
7. equipment as claimed in claim 6, which is characterized in that pre-stored public network user information is based on, to the public network When user terminal carries out access authentication, the first processing units are used for:
If it is determined that local be previously stored with public network user information corresponding with the identification information, it is determined that the public network is used Family terminal passes through access authentication.
8. equipment as claimed in claim 6, which is characterized in that the second network element device transmission into public network core net carries When the authentication request of the identification information, the first processing units are used for:
The address information of the private network base station carried in the access request of private network base station transmission is replaced with default Address information, using replace address information after access request as the authentication request;
The second network element by the standard protocol interface reached an agreement in advance with second network element device, in Xiang Suoshu public network core net Equipment sends the authentication request.
9. equipment as claimed in claim 8, which is characterized in that the equipment further includes establishing unit, described to establish unit use The operation below executing before the address information of the private network base station is replaced with preset address information:
Establish the mapping relations of the address information of the identification information and the private network base station;
When sending the authentication success response to the public network user terminal by the private network base station, described the second processing unit For:
Obtain the identification information carried in the authentication success response;
The mapping relations based on foundation obtain the address letter of the private network base station corresponding with the identification information Breath;
According to the address information of the private network base station of acquisition, institute is sent to the public network user terminal by the private network base station State authentication success response.
10. a kind of realization equipment of public network user access private network characterized by comprising
Receiving unit, for receiving the authentication request of the transmission of the first network element device in private network core net;Wherein, the authentication is asked Seek the identification information comprising the public network user terminal in the private network coverage area, and the authentication request is described the One network element device is carrying out access authentication to the public network user terminal based on pre-stored public network user information, and determination connects Enter after certification passes through and sends;
Authenticating unit, for being based on pre-stored user authentication information corresponding with the identification information, to the public affairs Network users terminal is authenticated;And after authenticating successfully, the first network element device of Xiang Suoshu sends authentication success response.
11. a kind of electronic equipment characterized by comprising one or more processors;And
One or more computer-readable mediums are stored on the readable medium for realizing the journey of public network user access private network Sequence, wherein when described program is executed by one or more of processors, realize according to any one of claims 1 to 4 The step of method.
12. one or more computer-readable mediums, which is characterized in that be stored on the readable medium for realizing public network use The program of family access private network, wherein when described program is executed by one or more processors, so that processor is executed as right is wanted Method described in asking any one of 1 to 4.
13. a kind of electronic equipment characterized by comprising one or more processors;And
One or more computer-readable mediums are stored on the readable medium for realizing the journey of public network user access private network Sequence, wherein when described program is executed by one or more of processors, the step of realizing method as claimed in claim 5.
14. one or more computer-readable mediums, which is characterized in that be stored on the readable medium for realizing public network use The program of family access private network, wherein when described program is executed by one or more processors, so that processor is executed as right is wanted Method described in asking 5.
CN201710884782.3A 2017-09-26 2017-09-26 A kind of implementation method and equipment of public network user access private network Pending CN109561430A (en)

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