CN101370293A - User terminal access control method and system in heterogeneous network - Google Patents
User terminal access control method and system in heterogeneous network Download PDFInfo
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Abstract
The invention relates to a user terminal access control method in a heterogeneous network that records user terminal device information and access network information that are stored in a terminal information table corresponding to recorded user information; according to recorded user terminal device information, access network information or/and user information, optimal networks and optimal terminals are selected; executing vertical switches according to selected result in logged terminals. The invention further discloses a system for implementing the access control method, including a network side node, a user/terminal registering module, a smart selection module and a switching module that connect access network information. The invention not only obtains information of all terminals of the user, through a user terminal registering mechanism in the heterogeneous network, centered in the user, but also obtains information of all available networks, further to select the optimal networks and terminals to switch user among various networks and different terminals.
Description
Technical field
The present invention relates to user terminal access control method and system thereof in a kind of heterogeneous network.
Background technology
Along with developing rapidly of the communication technology, the new communication technology and standard emerge in an endless stream, and communications industry is experiencing a new development and changing the phase.At communication network in the process of high speed, broadband, individualized development, diversified wireless communication technology and network have appearred, comprise 2G (GSM), 2.5G (GPRS), 3G (UMTS), WLAN, WiMAX, PAN (PersonalArea Network, PAN (Personal Area Network)), fixed network etc., this has brought abundant isomerism to communication network, and colourful business can be provided.The target of future communications be realize anyone at any time and any place with any information of any object interaction.Yet the selection of the moving of the variation of channel circumstance, user, different business etc. all may cause internetwork switching, how to realize seamless roam and the focus that switches in order to study and to pay close attention between heterogeneous network.In the process that communication network moves towards to merge, terminal is also moved towards multiple access (multimode) full-service from single access, simple function, and the user needs high-quality business experience, need ubiquitous all the time business impression just need be between different access networks seamless switching, guarantee the successional user benefit that guarantees simultaneously of application.
In order to reduce network switching delay and loss of data, guarantee the continuity of conversation procedure, strengthen user experience, the intercommunication of research heterogeneous network and fusion have become the hot issue of communications field research and development.In general, the vertical switching of isomerization access network mainly is divided into three phases: initialization, and network selecting, network switches.
Available research achievements mostly is devoted to solve the seamless roam and vertical switching problem of terminal between the heterogeneous network at present.The solution that their propose roughly can be divided into four classes: the fusion of the fusion of two particular networks, any two networks, belong to the fusion of the identical network of different operators, and the fusion that belongs to the heterogeneous networks of different operators.Yet the present scheme that proposes is exactly that the user only holds a multimode terminal based on an identical precondition all, because the variation of terminal location causes the vertical switching between heterogeneous network, promptly more pays close attention to terminal mobility, but not personal mobility.Yet in the evolution of current communication network, along with increasingly sophisticatedization of network environment that the user faced, the user is also more and more in the terminal of different times or specific occasion use, and therefore the user may occur has a plurality of terminals can insert the situation of a plurality of heterogeneous networks with the place at one time.Owing to have different qualities based on the access network of different technologies, for example different covering powers, expense and to the service quality (QoS, Quality of Service) of business and tenability etc.Different terminals also has different performances, comprises disposal ability, display capabilities, electric weight tenability etc.So existing scheme is not considered the user and is held the situation of multiple terminal, just can't guarantee that the network of user's access service and terminal are current available the most suitable network and terminal yet.
Summary of the invention
The present invention has overcome above-mentioned defective, and a kind of user terminal access control method of realizing in the heterogeneous network that interconnects between the heterogeneous network is provided.
The present invention solves the technical scheme that its technical problem takes: the user terminal access control method in a kind of heterogeneous network comprises the steps
Recording user information;
The terminal equipment information and the access network information of recording user, and with described user profile corresponding stored in terminal information table;
According to the terminal equipment information, access network information of record or/and user profile is selected optimal network and optimum terminal;
In listed terminal, carry out vertical the switching according to selection result.
The step of described recording user information is carried out in the process of user's registration.
In the step of described recording user terminal equipment information and access network information, further be included in the login of user terminal and when nullifying, set up, upgrade and safeguard described terminal information table.
Chartered a plurality of user profile is stored in the user message table.
A kind of mobility management systems of user terminal of the heterogeneous network that is used for realizing above-mentioned connection control method comprises access network layer, core network layer and application layer, also comprises
Network side node, the information that is used to collect the access network layer;
User/endpoint registration module is used to the information that obtains user profile, available terminal information and obtain the access network layer from described network side node;
The Intelligence Selection module according to the information that described user/endpoint registration module is collected, is selected wherein optimal network and optimum terminal;
Handover module, the result from described Intelligence Selection module acquisition network selecting initiates to switch to user terminal according to this result then.
Described user/endpoint registration module comprises Message Processing submodule and user terminal data storehouse, described Message Processing submodule is used for user's registration message that receives and user terminal log messages are resolved, and with the subscriber terminal apparatus information and the access network information that parse, be stored in the described user terminal data storehouse with the terminal information table of the corresponding formation of described user profile, do the selection of optimal network and optimum terminal for described Intelligence Selection module.
Described user terminal Registering modules is stored in the user message table of the user profile formation of a plurality of registrations in the described database.
Described network side node is arranged between described access network layer and the core network layer as independent network entity.
Described network side node is deployed in the gateway of each access network layer.
The present invention is by the user terminal login mechanism of heterogeneous network at initial phase; customer-centric; the user is related with its a plurality of terminals that have (single mode or multimode); can not only obtain the information of all available terminal of user; can also obtain the information of all available networks of user; thereby can realize selecting optimal network and optimum terminal for the user according to type of service, network state and user preferences; realize the switching of user between multiple network and different terminals; realize optimized access service, for the user provides good business experience.
Description of drawings
Fig. 1 is system architecture figure of the present invention;
Fig. 2 is the flow chart of user terminal access control method;
Fig. 3 is user's register flow path figure;
Fig. 4 is user terminal login process figure;
Fig. 5 is user terminal logout flow path figure;
Fig. 6 is the user log off flow chart.
Embodiment
As shown in Figure 1, preferred embodiment for the mobility management systems of the user terminal in a kind of heterogeneous network of the present invention, the complex environment that can adapt to present heterogeneous network, realize the seamless roam of user between heterogeneous network and vertical switching, its system configuration as shown in fig. 1, heterogeneous network environment mainly can be divided into three layers: access network layer 101, core network layer 102 and application layer 103, described access network layer 101 has not only comprised 2G GSM (GlobalSystem for Mobile communications global system for mobile communications), (2.5GGPRS General Packet Radio Service GPRS), 3GUMTS (Universal Mobile Telecommunication System, conventional wireless communication systems), WLAN (Wireless Local Area Network, WLAN (wireless local area network)), WiMAX (World Interoperability for Microwave Access, the global intercommunication microwave access) wireless network such as, xDSL (Digital Subscriber Line, digital subscriber line), PSTN (Public Switched Telephone Network, public telephone network) cable network such as, also comprised the satellite network that passes through, television network broadcast, Ad Hoc network (a kind of mobile network who does not have wired infrastructure to support, node in the network constitutes by mobile host) or the like other access waies, can also adopt other networks, as bluetooth, home radio, sensor network etc.Described core network layer 102 is unified backbone transport networks based on the IPv6 technology.Described upper layer application layer 103 is platforms of an opening, and any operator, service provider, individual can provide service rich in content and diversified in form for the user by this platform.Wherein, the user can use two types communication terminal, and a kind of is common terminal, as mobile phone, and notebook computer, other types such as telephone.Another kind is a multimode terminal, can support plurality of access modes, thereby makes same terminal can be used for different networks.
In order to realize the mobile management function between the heterogeneous network, present embodiment has increased network side node 104 connecting between the gateway that access network and core network layer are Internet, the Intelligence Selection module, handover module and user/endpoint registration module, GGSN (the Gateway GPRS Support Node that described network side node 104 adopts such as UMTS, Gateway GPRS Support Node), the couple in router of WLAN, CDMA2000 (Code DivisionMultiple Access, the CDMA group data transmission technology) PSDN (PacketSwitched Data Network, grouping suitching type data network).The effect of described network side node is the information of being responsible for collecting bottom access network layer, and obtain aspect information such as user preference and business from user terminal, and the network information of collecting handed to described Intelligence Selection module, as the essential information of carrying out the network selecting algorithm, described Intelligence Selection module then obtains active user's the available terminal and the information of available network from user's available terminal database, according to Information Selection optimal network and optimum terminal wherein such as the information of described access network and user preferences, described handover module is responsible for transmitting the control signaling in the handoff procedure, from the result of Intelligence Selection module acquisition network selecting, initiate to switch to terminal according to this result then.And described user/endpoint registration module by with the information interaction of user terminal, not only can obtain user's essential information, can also obtain active user's the available terminal and the information of available network, foundation, renewal and maintenance customer's information table and terminal information table, in fact described user/endpoint registration module is equivalent to a record active user available terminal database of information, the user is according to the operating position of present terminal new database more at any time, therefrom select optimal network for described Intelligence Selection module, and then realize having switching.
Described network side node can directly be disposed becomes an independent network entity, can directly be deployed in the gateway, and the scheme that is deployed in the gateway is littler to the transformation of existing network, simple.Described Intelligence Selection module is connected each access network respectively with handover module, control information when transmitting across-network roaming with vertical the switching, it is the topmost logic entity of realizing mobile management function under the heterogeneous network environment, described Intelligence Selection module and handover module can be deployed in certain Control Node of core network layer/Internet, also can directly be deployed on the Internet.
Described user/endpoint registration module be by with the mutual process of user and terminal information in, the information of acquisition user's essential information and available terminal, available network, therefore, described user/endpoint registration module may further include Message Processing submodule and user terminal data storehouse, and described user terminal data has comprised user message table and terminal information table in the storehouse.The Message Processing submodule mainly is responsible for and the communicating by letter of user terminal, the user profile and the end message that receive are resolved, and the result are sent to the user terminal data storehouse, in order to store, update user information table and terminal information table.
Constitute based on said system, the motion management method of its user terminal, as shown in Figure 2,
The user need register during login system in the first time.As shown in Figure 3, at first, the user sends user's registration message to the Message Processing submodule, and described user's registration message is as shown in following table:
| Field | Describe |
| Message id | User's registration message |
| User ID | User's unique identification in the system |
| User cipher | User's password in the system |
| Priority | The authority of subscriber access system |
After described Message Processing submodule receives user's registration message (User RegisterMessage), at first resolve the content of the user ID field in the message, whether the user ID of judging user's input exists in user message table, if there is no, then with user's information, comprise that user ID, user cipher, priority etc. are saved in the user message table, return the message that succeeds in registration; If exist, then return miscue message, require the user to re-enter user ID and password.
After the Message Processing submodule success processing messages, send updating message, update user information table to the user terminal data storehouse; After user terminal data Kucheng's merit update user information table, send the renewal acknowledge message to the Message Processing submodule; The Message Processing submodule sends user's registration confirmation message to the user again.
New subscriber terminal apparatus information is write down in step 202, terminal login.
When the user when certain network uses certain terminal to login first, set up and the unique corresponding user terminal information table of station address the record end message.It is to be noted that user terminal information should comprise the terminal equipment type that the user has and the ability description of terminal, and residing network of this terminal and operator, and request COS etc. some call the information of selecting and switching for follow-up functional module.
As shown in Figure 4, when the Message Processing submodule received terminal log messages (TerminalLog-in Message), described terminal log messages was as shown in following table:
| Field | Describe |
| Message id | Terminal registration message |
| User ID | User's unique identification in the system |
| Terminal PRI | The terminal that user priority is selected |
| Terminal equipment | The terminal equipment of the current use of user |
| Terminal capability is described | Which kind of service is the ability description of terminal equipment for example support |
| Station address | User side IP address or phone number etc. |
| Network of living in | The residing network environment of user |
| Network priority | The network that user priority is selected |
| Operator | Virtual network operator |
| Operator's priority | The operator that user priority is selected |
| The request COS | User's requested service type |
Whether at first resolve the station address field in the message, inquire about this terminal according to station address in terminal information table and login, if station address does not exist, then the terminal log messages according to the user writes down new subscriber terminal apparatus information; If station address has existed, then return log messages, represent that this terminal logins.
After terminal is successfully logined, send end message, upgrade terminal information table to the user terminal data storehouse; After user terminal data Kucheng merit is upgraded terminal information table, send acknowledge message to the Message Processing submodule; Described Message Processing submodule sends terminal login acknowledge message to the user again.
For example, the user has write down the priority of user for the heterogeneous networks preference when login, then in listed user terminal, then choose the wherein the highest user terminal of priority level from listed user terminal; Perhaps,, when logining, terminal in user's requested service type of record, selects the user terminal of coupling according to the current business demands of applications, or the like.
When the user abandons a certain terminal equipment, initiate request by the user, nullify a certain terminal information in the terminal information table.As shown in Figure 5, when the Message Processing submodule received terminal log-down message, described terminal log-down message was as shown in following table:
| Field | Describe |
| Message id | User log off message |
| User ID | User's unique identification in the system |
| User cipher | User's password in the system |
| Terminal equipment | The terminal equipment that the user nullified |
| Station address | User side IP address or phone number etc. |
At first resolve user ID field and user cipher field in the message, judge according to user message table whether user ID exists, whether user cipher mates, thereby judge whether the user has the right to carry out terminal log-down, in terminal information table, inquire about existing user terminal information according to station address then, if successful inquiring then sends terminal log-down message to the user terminal data storehouse, the relevant information in the deletion terminal information table; If error message is then returned in the inquiry failure, show that this terminal does not exist, require system to resend terminal log-down message.After the relevant information in user terminal data Kucheng's merit deletion terminal information table, send acknowledge message to the Message Processing submodule; The Message Processing submodule sends the terminal log-down acknowledge message to the user again.
The user can delete user's information by nullifying operation from the database of system.As shown in Figure 6, when the Message Processing submodule received user log off message (User Log-outMessage), described user log off message was as shown in following table:
| Field | Describe |
| Message id | User log off message |
| User ID | User's unique identification in the system |
| Password | User's password in the system |
At first resolve user ID field and password field in the message, in user message table, search user profile,, then return miscue message, require the user to input right user ID and password if there is not the information of coupling according to user ID and password; If find match information, send logout message to the user terminal data storehouse, the related content in the deletion user message table; Afterwards, send acknowledge message to the Message Processing submodule; The Message Processing submodule sends the user log off acknowledge message to the user.
More than user terminal access control method in the heterogeneous network provided by the present invention and system thereof are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. the user terminal access control method in the heterogeneous network is characterized in that: comprise the steps
Recording user information;
The terminal equipment information and the access network information of recording user, and with described user profile corresponding stored in terminal information table;
According to the terminal equipment information, access network information of record or/and user profile is selected optimal network and optimum terminal;
In listed terminal, carry out vertical the switching according to selection result.
2. the user terminal access control method in the heterogeneous network according to claim 1 is characterized in that: the step of described recording user information is carried out in the process of user's registration.
3. the user terminal access control method in the heterogeneous network according to claim 1, it is characterized in that: in the step of described recording user terminal equipment information and access network information, further be included in the login of user terminal and when nullifying, set up, upgrade and safeguard described terminal information table.
4. the user terminal access control method in the heterogeneous network according to claim 2 is characterized in that: chartered a plurality of user profile are stored in the user message table.
5. a system that is used to realize above-mentioned connection control method comprises access network layer, core network layer and application layer, also comprises
Network side node, the information that is used to collect the access network layer;
User/endpoint registration module is used to the information that obtains user profile, available terminal information and obtain the access network layer from described network side node;
The Intelligence Selection module according to the information that described user/endpoint registration module is collected, is selected wherein optimal network and optimum terminal;
Handover module, the result from described Intelligence Selection module acquisition network selecting initiates to switch to user terminal according to this result then.
6. system according to claim 5, it is characterized in that: described user/endpoint registration module comprises Message Processing submodule and user terminal data storehouse, described Message Processing submodule is used for user's registration message that receives and user terminal log messages are resolved, and with the subscriber terminal apparatus information and the access network information that parse, be stored in the described user terminal data storehouse with the terminal information table of the corresponding formation of described user profile, do the selection of optimal network and optimum terminal for described Intelligence Selection module.
7. system according to claim 6 is characterized in that: described user terminal Registering modules is stored in the user message table that a plurality of user profile form in the described database.
8. according to claim 5 or 6 or 7 described systems, it is characterized in that: described network side node is arranged between described access network layer and the core network layer as independent network entity.
9. according to claim 5 or 6 or 7 described systems, it is characterized in that: described network side node is deployed in the gateway of each access network layer.
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| CN101640895B (en) * | 2009-08-31 | 2012-03-21 | 北京邮电大学 | Method and system for ensuring streaming media service quality |
| WO2012065293A1 (en) * | 2010-11-15 | 2012-05-24 | 华为技术有限公司 | Service access control method, device and user equipment |
| CN102802223A (en) * | 2012-08-10 | 2012-11-28 | 迈普通信技术股份有限公司 | Vertical switching method of wireless heterogeneous networks and user terminal |
| CN102934508A (en) * | 2010-06-04 | 2013-02-13 | 高通股份有限公司 | Method and apparatus for wireless distributed computing |
| WO2013167070A2 (en) * | 2013-01-21 | 2013-11-14 | 中兴通讯股份有限公司 | Method for authentication of terminal cooperation and equipment middleware thereof |
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| CN107920375A (en) * | 2017-12-15 | 2018-04-17 | 中国人民解放军32039部队 | Data service switching method, apparatus and system in spatial isomerism integrated network |
| CN109818667A (en) * | 2018-12-26 | 2019-05-28 | 中国电子科技集团公司第二十研究所 | It is a kind of based on star upper signal channel exchange remote equipment enter network control method |
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| CN101820665A (en) * | 2010-03-31 | 2010-09-01 | 北京邮电大学 | Admission control method and system in heterogeneous wireless network environment |
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| CN102802223B (en) * | 2012-08-10 | 2014-12-10 | 迈普通信技术股份有限公司 | Vertical switching method of wireless heterogeneous networks and user terminal |
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| WO2013167070A3 (en) * | 2013-01-21 | 2014-01-03 | 中兴通讯股份有限公司 | Method for authentication of terminal cooperation and equipment middleware thereof |
| CN109863789B (en) * | 2016-10-21 | 2021-12-03 | 三星电子株式会社 | Method and apparatus for connecting terminal to network based on applicable network information in mobile communication system |
| CN109863789A (en) * | 2016-10-21 | 2019-06-07 | 三星电子株式会社 | Terminal is connected to based on applicable network information the method and apparatus of network in mobile communication system |
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| CN107920375B (en) * | 2017-12-15 | 2020-07-31 | 中国人民解放军32039部队 | Data service switching method, device and system in spatial heterogeneous integrated network |
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| CN109818667A (en) * | 2018-12-26 | 2019-05-28 | 中国电子科技集团公司第二十研究所 | It is a kind of based on star upper signal channel exchange remote equipment enter network control method |
| CN109818667B (en) * | 2018-12-26 | 2021-05-04 | 中国电子科技集团公司第二十研究所 | Remote equipment network access control method based on-satellite channel exchange |
| CN112492662A (en) * | 2019-09-11 | 2021-03-12 | 中兴通讯股份有限公司 | Method and device for issuing access classification matching strategy |
| WO2021047353A1 (en) * | 2019-09-11 | 2021-03-18 | 中兴通讯股份有限公司 | Method and apparatus for issuing access classification matching policy |
| CN114760626A (en) * | 2021-10-18 | 2022-07-15 | 西安电子科技大学 | Self-adaptive combined authentication method for 5G large-scale terminal |
| CN114760626B (en) * | 2021-10-18 | 2024-04-02 | 西安电子科技大学 | Self-adaptive combined authentication method for 5G large-scale terminal |
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