CN100409613C - Authority discrimination charging method based on combined radio local area web and CDMA system - Google Patents
Authority discrimination charging method based on combined radio local area web and CDMA system Download PDFInfo
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- CN100409613C CN100409613C CNB021364583A CN02136458A CN100409613C CN 100409613 C CN100409613 C CN 100409613C CN B021364583 A CNB021364583 A CN B021364583A CN 02136458 A CN02136458 A CN 02136458A CN 100409613 C CN100409613 C CN 100409613C
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Abstract
The present invention provides a right identification charging method based on a new system combining a wireless local area network (WLAN) and a code division multiple access (CDMA) system. The method comprises the following steps: a user sends corresponding right identification information to a packet data service network (PDSN); the right identification information is sent to a right identification, authorization and charging server by the PDSN which identifies rights according to user information and a corresponding right identification method; the right identification, authorization and charging server sends the right identification information to the PDSN which informs terminals of results; if right identification is failed, then connection is ended; the PDSN sends charging information at a wireless side to the right identification, authorization and charging server to start to charge; when the connection is interrupted, the PDSN sends collected charging information to the right identification, authorization and charging server. The present invention realizes the unification of the right identification and the charging of a wireless access network and a CDMA-1X network, has the characteristics of high-speed access and high bandwidth, and enables data services to have wider application prospects.
Description
Technical field
The present invention relates to the authentication and the charging method of data access service that WLAN (wireless local area network) is combined with CDMA network.
Background technology
WLAN (wireless local area network) (Wireless LAN is hereinafter to be referred as WLAN) is the product that computer network combines with wireless communication technology.That the characteristics of WLAN are is cheap, networking flexibility, the support wireless data inserts at a high speed and open frequency range, is suitable for the application of hot zones such as airport, hotel.But WLAN can not provide access service to terminal, and authentication and charging to terminal can not be provided.Code division multiple access system (being the CDMA-1X system) has the characteristics of wide covering, and its authenticating and charging mechanism is more perfect, but because bandwidth constraints, for the terminal use provides the limited in one's ability of high speed access service.In order to make full use of the advantage of two nets, can be altogether with two anastomoses.The key issue that two anastomoses close just is how to realize authentication and the charging to the user.
The authentication of CDMA-1X network data service and charging method mainly are with challenge handshake authentication protocol (Challenge Handshake Authentication Protocol at present, hereinafter to be referred as CHAP) and password authentication protocol (Password Authentication Protocol is hereinafter to be referred as PAP).Because the locality that WLAN user inserts and the opening of frequency range are used present method to make the user under attack easily, nor user's access way flexibly can be provided.Therefore need to increase and improve the authentication and the charging method of CDMA-1X network data service, enable to have the authentication and the charging method that are applicable to WLAN user, to reach the target that two anastomoses close.
At present, do not retrieve the open source literature of discussing and addressing the above problem as yet.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of authentication that combines with the CDMA-1X network data service and the solution of charging for the user inserts WLAN (wireless local area network).The present invention proposes a kind of authentication charging method that combines with code division multiple access system based on WLAN (wireless local area network), realizing discriminating and the charging to the wireless local network user identity, and provides certain security service for the user.
The authentication that WLAN (wireless local area network) of the present invention combines with the CDMA-1X system and the implementation method of charging are mainly according to the characteristics of WLAN (wireless local area network), and propose to be applicable to the method for authenticating and the charging way of WLAN (wireless local area network), and make two nets finally reach the purpose of unified authentication and charging in conjunction with the authentication of CDMA-1X data service and charging way.
User to CDMA-1X keeps original authentication and charging way; Authentication to WLAN user adopts EAP (PPP Extensible Authentication Protocol, abbreviation EAP) authentication mode, WLAN user's aerial charge information is by wireless access gateway (Access Point GateWay, hereinafter to be referred as APGW) collect, and send to packet data service node (Packet Data Service Node, hereinafter to be referred as PDSN), the charge information that compiles wireless side and network side by PDSN, send to authentication then, authorize accounting server (Authentication, Authorization, and Accounting is hereinafter to be referred as aaa server) charge.
The authentication charging method that combines with code division multiple access system based on WLAN (wireless local area network) of the present invention comprises the steps:
Step 1: when the user inserted CDMA-1X system or WLAN, the user sent to packet data service node (PDSN) with corresponding authentication information, began the user is carried out the legitimacy authentication;
Step 2: authentication information is dealt into aaa server by PDSN, and aaa server carries out authentication according to user profile and corresponding authentication method to the user;
Step 3:AAA server sends to the packet data service node with the information that the user inserts success (with corresponding authorization message) or failure, and the packet data service node is with this authenticating result notice terminal; And do corresponding processing according to authentication success and failure;
Data traffic transmission is carried out in the subscription authentication success, needs the butt joint access customer to charge, and charging step is as follows:
Step 4: the packet data service node sends to aaa server with the charge information of WLAN wireless side or the aerial charge information of CDMA-1X, and the notice aaa server begins to charge;
Step 5: in the process that the user is provided the data service service, the packet data service node will be added up the user's data flow and insert duration information, the information of compiling wireless side and network side, and these information are sent to the aaa server processing of chargeing accordingly;
Step 6: connect or packet data service when stopping with being connected of user when the user disconnects, the charge information that the packet data service node will compile sends to aaa server, and the notice aaa server is to end of accounting access this time of this user.
In the aforesaid method,
User's corresponding authentication information in the step 1 comprises: CDMA-1X user is carried out the information of authentication by the authentication mode of original CHAP or PAP, use the authentication mode of EAP to carry out the information of authentication to WLAN user.
The packet data service node is to collect by wireless access gateway APGW to the charge information of WLAN wireless side in the step 4, and sends to the packet data service node; Charge information to the CDMA-1X wireless side is to collect by Packet Control Function (Packet Control Function is hereinafter to be referred as PCF) entity, and sends to the packet data service node.
The charge information of packet data service node PDSN comprises the charge information of wireless side and network side in step 5 or the step 6, two kinds of charge informations are compiled by PDSN, and send to aaa server and charge accordingly by RADIUS (RemoteAuthentication Dial In User Service is called for short remote authentication subscriber dialing access service) message.
The method of the invention, on the basis of existing technology according to the characteristics of wireless access, propose the authentication and the charging method of wireless access subscriber, realize Radio Access Network and the authentication of CDMA-1X network and the unified using method of charging, this just provides solid foundation for the switching between two nets.Make the CDMA-1X network not only have wide in the past the covering, and have the characteristics of access, high bandwidth at a high speed, the performance of raising CDMA-1X makes data service have more wide application prospect.
Description of drawings
Fig. 1 is the networking plan figure of CDMA-1X+WLAN of the present invention;
Fig. 2 the present invention is based on the authentication of CDMA-1X+WLAN and the schematic flow sheet of charging;
Fig. 3 is the authorizing procedure schematic diagram that the present invention is based on CDMA-1X+WLAN;
Fig. 4 is the charging flow schematic diagram that the present invention is based on CDMA-1X+WLAN.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.
The present invention combines the system of WLAN and CDMA-1X, utilizes the authentication and the charging method of CDMA-1X maturation, according to the characteristics of wlan network, proposes a kind of authentication and charging method that is applicable to that two anastomoses close.
Fig. 1 is the networking plan figure of WLAN (wireless local area network) and the combination of CDMA-1X network.WLAN can not provide access service to terminal in this system, can not provide authentication and charging to terminal, and the CDMA-1X system has perfect authentication and billing mechanism.Two net combination additions simply can not utilize original authentication of CDMA-1X system and charging method simply, and the present invention solves authentication and the charging method after two anastomoses close.
Fig. 2 is the authentication after the present invention's two anastomoses close and the schematic flow sheet of charging.
When the user need use the data service that WLAN or CDMA-1X provide, must simultaneously in order to realize charge, to carry out the statistics of charge information to the user through authentication to the user.The step of authentication of the present invention and charging is as follows:
Step 1: when the user inserted the system that two anastomoses close, the user sent to packet data service node PDSN with corresponding authentication information, begins the user is carried out the legitimacy authentication;
Step 2:PDSN is dealt into authentication information authentication, authorizes accounting server, authentication, authorizes accounting server and according to user profile and corresponding authentication method the user is carried out authentication;
Step 3: authentication, authorize the information that accounting server will insert successful information or failure with the user of corresponding authorization message and send to the packet data service node, the packet data service node is with this authenticating result notice terminal; If failed authentication then finishes this time to connect;
Step 4: after the subscription authentication success, carry out data traffic transmission, the packet data service node sends to the wireless side charge information authentication, authorizes accounting server, the notice authentication, authorizes accounting server and begins to charge;
Step 5: in the process that the user is provided the data service service, the packet data service node will be added up information such as user's data flow and access duration, the information of compiling wireless side and network side, and these information can be sent to authentication, authorize the accounting server processing of chargeing accordingly;
Step 6: connect or packet data service when stopping with being connected of user when the user disconnects, the charge information that the packet data service node will compile sends to authentication, authorizes accounting server, and notifies authentication, authorizes accounting server accounting access this time of this user is finished.
Fig. 3 is the method for authenticating schematic flow sheet after the present invention's two anastomoses close.
In the CDMA-1X network, the authentication of packet domain is divided into attaching position register HLR and two parts of aaa server.HLR authentication purpose is the legitimacy of authenticated user, distributes wireless channel to validated user during with the assurance Packet Service, guarantees the reasonable use of Radio Resource.The validated user of process HLR authentication also will be verified the legitimacy of user in packet domain after having distributed wireless channel, the legitimacy of packet domain need be passed through the AAA authentication.
At present the packet data service node provides two kinds of authentication modes for the user of simple IP: i.e. PAP and CHAP authentication; And provide the mode of similar CHAP to carry out authentication to mobile IP user.The authentication pattern of simple IP and mobile IP belongs to prior art.
When the terminal use was movable in WLAN coverage, because the terminal equipment that uses among the WLAN does not take the radio channel resource of CDMA-1X, the authentication among the HLR was unnecessary, at this moment only needed the legitimacy in checking user grouping territory.The authentication mode that the present invention adopts extended authentication message (EAP) carries out authentication by PDSN to aaa server to the access user of WLAN.
When using the authentication mode of EAP, terminal is not specified authentication type at the access initial stage, decides the authentication type of employing by aaa server according to user's sign but begin the back in authentication, and the user also can select authentication type for use neatly according to terminal type.
The present invention is as follows to the authentication step that WLAN inserts the user:
1. the packet data service node sends to terminal with the user ID request;
2. terminal is received this when request, and the sign of terminal self is returned to the packet data service node;
3. the packet data service node becomes the RADIUS message to send to aaa server user's identification information and the information structuring of self;
4.AAA the authentication type that server adopts according to user ID decision, and issue the grouped data node together with authentication request;
5. the packet data service node is transmitted authentication request information and is given terminal;
6. after terminal is received authentication request,, then send Authentication Response information to the packet data service node if accept the authentication type of aaa server request; Otherwise change 10;
7. the packet data service node becomes the RADIUS message to send to aaa server Authentication Response information and the information structuring of self;
8.AAA server is judged subscription authentication success or failure according to the response message of terminal, and the information of authentication success or failure is sent to the grouped data node; If the authentication success then sends to the packet data service node with corresponding authorization message with authenticating result;
9. the grouped data node returns to terminal with authentication result information; If the authentication success, the grouped data node will carry out the mandate of corresponding data, services to the user; Otherwise will stop and being connected of terminal; This moment, this authentication finished;
10. terminal sends to the packet data service node with own acceptable authentication type;
11. the authentication type that the packet data service node adopts terminal becomes the RADIUS message to send to aaa server together with the information structuring of self;
Whether support the authentication type that this user provides 12.AAA server is differentiated,, then this authentication type is issued the grouped data node together with the authentication request message, change 5 if support; Otherwise think failed authentication, aaa server sends to the packet data service node with the information of failed authentication, changes 9.
Can set the number of times of authentication retry in advance, behind the failed authentication, can carry out authentication once more, up to the number of times that has repeated to set, authentication all gets nowhere, and just thinks access failure.To the 9th step, if authentication is unsuccessful, the authentication number of times of setting in advance can be subtracted 1, if the authentication number of times greater than 0, then begins new authentication, otherwise whole authentication process finishes.
In the authentication process of the present invention, the message that PDSN can return according to AAA sends Notification information to terminal, and message such as notice opposite end failed authentication warning are proceeded authentication; This can't realize in present CDMA-1X network.
In order to realize above authentication functions, the packet data service node need increase the judgement of authentication type and processing, RADIUS authentication message need add the information of corresponding EAP authentication information and PDSN itself simultaneously, and aaa server increases the processing to the EAP authentication mode.Do not support these functions in the present CDMA-1X system.
In the authentication process of the present invention, the packet data service node mainly plays one and transmits authentication information, in order to prevent to attack effectively, the packet data service node not only will be transmitted to aaa server with the authentication information that terminal sends, but also need give aaa server with the information band of grouped data node itself, aaa server only just can send the message of authentication success under the situation that the identity of user's identity and packet data service node all meets fully.Promptly a subscription authentication success is not only comprised and this user's identity is differentiated also comprise the discriminating of the identity of the packet data service node that this user is inserted, this has just further increased the difficulty of attacking to the user.
WLAN user adopts the authentication mode of EAP when the accessing group data service station.With CHAP authentication (EAP authentication type a kind of), and adopt the dial mode of PPPoE (PPP over Ethernet) to further specify the authentication of EAP below in conjunction with Fig. 3.Authentication process is as follows:
(1) in the PPP of PPPoE (point-to-point protocol) session stage LCP (LCP) negotiations process, PDSN sends the authentication option request of band EAP to terminal, and the authentication mode of EAP is consulted in request;
(2) authentication option of terminal check EAP;
In order to realize negotiation to the EAP authentication protocol, need make expansion to the LCP negotiation phase of CDMA-1X network PPP, increase negotiation to the authentication option of EAP.
(3) after LCP consults to finish, PDSN sends EAP sign (Identity) request query terminal iidentification, beginning authentication;
(4) terminal receives after sign (Identity) request that the Identity with oneself is forwarded to aaa server by PDSN;
(5) aaa server sends and is with the authentication request bag of CHAP type and challenge to send to terminal by PDSN;
(6) terminal is sent Authentication Response according to authentication request and is transmitted to AAA by PDSN, and this user is carried out authentication;
(7) AAA beams back PDSN with the success of authentication and the result of failure;
(8) PDSN sends authentication success or unsuccessful message according to authenticating result to terminal;
(9) if authentication is successful, proceed the negotiation phase of the IPCP (IP control protocol) of PPP.Otherwise being connected of termination and terminal.
Using the mode of network user's name password that user identity is differentiated, is the network access that generally adopts at present.The user uses the user name of terminal iidentification registration of oneself in advance, and obtains the password of corresponding this sign.Among the present invention, come access network, the information of authentication is encapsulated in the authentication information of EAP, insert user's authentication to realize this kind mode when the user uses the user name and password of registration.This kind mode can break away from terminal to be used, and can more safely provide access service to the user.
Fig. 4 has explained the charging method flow chart that the present invention's two anastomoses close.
After the subscription authentication success, the packet data service node provides data service to serve just can for this user, and just involve the charging problem to this user this moment.
In the CDMA-1X system, the charging content of packet domain is divided into two parts: air traffic channel is chargeed partly and network side charging part.Packet data service node (PDSN) is collected and sent to the metering data of wireless side by Packet Control Function (PCF), and PDSN compiles the charge information and the network side charge information of wireless side, and send to authentication, (AAA) charges to authorize accounting server.
The present invention is gathered by wireless access gateway (APGW) the charge information of WLAN wireless access side, and sends to PDSN, and PDSN compiles the charge information of wireless side and network side, sends to aaa server and charges.The charge information of WLAN wireless side is different with the charge information of CDMA-1X network wireless side, AAA need increase the attribute field that WLAN is chargeed so that distinguish with the charge information of CDMA-1X wireless side, PDSN need judge that charge information that WLAN inserts still is that the charge information of CDMA-1X is added up respectively, sends to aaa server at last.
The charging step that two anastomoses close among the present invention is as follows:
1. when Packet data service begins, by the packet data service node aerial charge information is sent to aaa server, the notice aaa server begins to charge;
2.AAA server is received the beginning charging message, sends the message of chargeing and beginning to respond for the packet data service node;
3. in the process of packet data service, the charging message in the middle of the packet data service node can send is to aaa server;
Authentication, authorize accounting server and receive Intermediate Charging ICH message, send the message of Intermediate Charging ICH response for the packet data service node;
5. stop and being connected of packet data service node as the user, or the packet data service node is when stopping with being connected of user the message that the packet data service node stops to aaa server transmission charging;
6.AAA server is received the message of chargeing and stopping, the response message that sending charges stops is to the packet data service node.
The authentication that begins to be based on the user of chargeing successfully is basic.The charge information that the packet data service node sends not only comprises the charge information of wireless side (the aerial charge information of WLAN and the aerial charge information of CDMA-1X system), also comprises the information of network side.To WLAN user, the charge information of wireless side is collected by wireless access gateway APGW and is dealt into PDSN, and to the CDMA-1X network user, PDSN is collected and sent to the charge information of wireless side by Packet Control Function PCF; The charge information of network side all is to be collected by PDSN, and PDSN compiles the charge information of wireless side and network side at last, sends to authentication, authorizes accounting server AAA and charge accordingly by the RADIUS message then.
In sum, adopt the present invention, can provide to code division multiple access and WLAN (wireless local area network) in conjunction with the time unified authentication and charging, not only make full use of the resource of existing C DMA-1X, and realized safe access service to WLAN user, switching between two nets for the user provides solid foundation.
Claims (7)
1. authentication charging method, the new system based on WLAN (wireless local area network) and code division multiple access system combine and constituted comprises the steps:
Step 1: when the user inserted described system, the user sent to packet data service node PDSN with corresponding authentication information, began the user is carried out the legitimacy authentication;
Step 2:PDSN is dealt into authentication information authentication, authorizes accounting server, authentication, authorizes accounting server and according to user profile and corresponding authentication method the user is carried out authentication;
Step 3: authentication, authorize the information that accounting server will insert successful information or failure with the user of corresponding authorization message and send to the packet data service node, the packet data service node is with this authenticating result notice terminal; If failed authentication then finishes this time to connect;
Step 4: after the subscription authentication success, carry out data traffic transmission, the packet data service node sends to the wireless side charge information authentication, authorizes accounting server, the notice authentication, authorizes accounting server and begins to charge;
Step 5: in the process that the user is provided the data service service, the packet data service node will be added up the user's data flow and insert duration information, the information of compiling wireless side and network side, and these information are sent to authentication, authorize the accounting server processing of chargeing accordingly;
Step 6: connect or packet data service when stopping with being connected of user when the user disconnects, the charge information that the packet data service node will compile sends to authentication, authorizes accounting server, and notifies authentication, authorizes accounting server accounting access this time of this user is finished.
2. authentication charging method according to claim 1, it is characterized in that: user's corresponding authentication information in the described step 1, comprise: CDMA-1X user is carried out the information of authentication by the authentication mode of original CHAP or PAP, use the authentication mode of extended authentication agreement EAP to carry out the information of authentication WLAN user.
3. authentication charging method according to claim 1, it is characterized in that: wireless side charge information in the described step 4, comprise the charge information of WLAN wireless side and the charge information of CDMA-1X wireless side, the packet data service node is collected by wireless access gateway APGW the charge information of WLAN wireless side, and sends to the packet data service node; Charge information to the CDMA-1X wireless side is collected by Packet Control Function PCF entity, and sends to the packet data service node.
4. authentication charging method according to claim 1, it is characterized in that: the charge information of packet data service node PDSN comprises the charge information of wireless side and network side in described step 5 or the step 6, two kinds of charge informations are compiled by PDSN, and send to authentication, authorize accounting server and charge accordingly by remote authentication subscriber dialing access service RADIUS message.
5. authentication charging method according to claim 1 is characterized in that: in the described step 3, set the authentication number of times in advance, if failed authentication is then set the authentication number of times and subtracted 1, if its difference then begins new authentication greater than 0, otherwise just finish this time to connect.
6. authentication charging method according to claim 1, it is characterized in that: in the described step 2, in the authentication information that PDSN sends, not only the authentication information that terminal sends to be transmitted to authentication, authorize accounting server, but also the information band of grouped data node itself need be given authentication, authorized accounting server.
7. authentication charging method according to claim 2, it is characterized in that: in the described step 1, described authentication to WLAN user adopts the EAP authentication mode, comprise: come access network when the user uses the network user's name and the password of registration, the information of authentication is encapsulated in the authentication information of EAP, inserts user's authentication to realize this kind mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB021364583A CN100409613C (en) | 2002-08-08 | 2002-08-08 | Authority discrimination charging method based on combined radio local area web and CDMA system |
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| CNB021364583A CN100409613C (en) | 2002-08-08 | 2002-08-08 | Authority discrimination charging method based on combined radio local area web and CDMA system |
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| CN1474535A CN1474535A (en) | 2004-02-11 |
| CN100409613C true CN100409613C (en) | 2008-08-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1266891C (en) * | 2003-06-06 | 2006-07-26 | 华为技术有限公司 | Method for user cut-in authorization in wireless local net |
| US7248856B2 (en) * | 2004-03-15 | 2007-07-24 | Symbol Technologies, Inc. | System and method for client-server-based wireless intrusion detection |
| CN100341278C (en) * | 2004-12-09 | 2007-10-03 | 华为技术有限公司 | System based on packet datastream charging and processing method thereof |
| CN1921398B (en) * | 2005-08-23 | 2010-04-14 | 华为技术有限公司 | Method and system for charging of communication network |
| CN1960265B (en) * | 2005-11-03 | 2010-05-05 | 华为技术有限公司 | Method for carrying out switched charging for broadband wireless access network |
| CN101094067B (en) * | 2006-08-28 | 2010-05-12 | 中兴通讯股份有限公司 | Method and device for authorizing user's terminal in CDMA system |
| CN101431419B (en) * | 2007-11-08 | 2012-02-01 | 华为技术有限公司 | Charging processing method, network system, charging system and service server |
| IN2012DE00205A (en) * | 2011-01-25 | 2015-06-19 | Zte Usa Inc | |
| CN106804036B (en) * | 2015-11-26 | 2019-07-09 | 中国电信股份有限公司 | Method and mobile terminal for access to mobile network |
| CN113516811B (en) * | 2021-04-23 | 2023-03-14 | 摩拜(北京)信息技术有限公司 | Article using method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169341A (en) * | 1999-09-29 | 2001-06-22 | Fujitsu Ltd | System and method of mobile communication service, authentication system and home agent unit |
| EP1199843A2 (en) * | 2000-09-15 | 2002-04-24 | Roke Manor Research Limited | Lan user protocol |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001169341A (en) * | 1999-09-29 | 2001-06-22 | Fujitsu Ltd | System and method of mobile communication service, authentication system and home agent unit |
| EP1199843A2 (en) * | 2000-09-15 | 2002-04-24 | Roke Manor Research Limited | Lan user protocol |
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