CN101282225A - Charging network, charging method and gateway - Google Patents

Charging network, charging method and gateway Download PDF

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Publication number
CN101282225A
CN101282225A CNA2007100651233A CN200710065123A CN101282225A CN 101282225 A CN101282225 A CN 101282225A CN A2007100651233 A CNA2007100651233 A CN A2007100651233A CN 200710065123 A CN200710065123 A CN 200710065123A CN 101282225 A CN101282225 A CN 101282225A
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China
Prior art keywords
service
wpan
gateway
authentication
charging
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CNA2007100651233A
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Chinese (zh)
Inventor
谷志慧
张玲
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CNA2007100651233A priority Critical patent/CN101282225A/en
Priority to PCT/CN2008/070626 priority patent/WO2008122233A1/en
Publication of CN101282225A publication Critical patent/CN101282225A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/14Charging, metering or billing arrangements for data wireline or wireless communications

Abstract

The present invention provides a charging network, a charging method and a gateway. The charging network comprises the following components: a wireless access network gateway, a charging information transmitting module, a service identification module and a charging system at the side of the telecommunication network. The wireless access network gateway is used for receiving the service request information of the service request node in the wireless access network and requests the service identification module to execute service identification according to the service request information. The service identification module is used for executing service identification to the service request node. A charging information transmission module is used for transmitting the charging information to the charging system at the side of the telecommunication network aiming at the service provided by the service providing node to the service request node when the service identification is passed. The charging system is used for charging the service request node according to the received charging information. An embodiment of the invention provides a novel charging technical scheme for the wireless access network such as WPAN, and settles the charging problem of WPAN and the wireless access network which has structure similar to that of WPAN.

Description

Charging network, charging method and gateway
Technical field
The present invention relates to communication technique field, be specifically related to charging network, charging method and gateway.
Background technology
WPAN (Wireless Personal Network) is a kind of emerging wireless communication technology.WPAN can be used as terminal network and provides special service based on local information for WPAN user.WPAN also can be used as access network the access function that accesses to communication network is provided for WPAN user.The charging method also not clearly definition at present of service is provided at WPAN.
Introduce three kinds of existing charging ways that service is provided at network below.
In method one, the wireless lan (wlan), as shown in Figure 1 at the off-line accounting method of WLAN conversational services.
Among Fig. 1, between step 1, WLAN subscriber equipment (WLAN UE) and aaa server, set up the WLAN session.
Step 2, WLAN Access Network (WLAN AN) send metering data to authentication, authentication, charging (AAA) server and begin request, send metering data to step 3, aaa server to CDF (charging data function entity) and begin request., charge and reply receiving after metering data begins request to step 4, CDF.Send the metering data response to step 5, CDF to aaa server, begin to charge with the notice aaa server; Send metering data to the WLAN Access Network and reply to step 6, aaa server.After this step 7 to step 11 and step 12 to step 16 is that the WLAN Access Network periodically sends metering data transition request to CDF, with the metering data during the renewal WLAN session.When the WLAN session stop, the WLAN Access Network sends metering data and stops request, and CDF is receiving after metering data stops request, closes the charging data record of this WLAN session.
In method two, the WLAN (wireless local area network), at the online charging method of WLAN conversational services.
At first, the WLAN Access Network sends credit control to aaa server and begins request, and aaa server sends predetermined resource to OCS (Online Charging System) and begins request.OCS begins request back to aaa server echo reply message receiving predetermined resource, and aaa server sends credit control to the WLAN Access Network and uses beginning message, and the WLAN session begins.During the WLAN session, periodically carry out the renewal that the control of credit control request and credit is used.When the WLAN conversation end, the WLAN Access Network sends credit control to aaa server and uses ending request, and send the predetermined resource ending request to OCS by aaa server, after OCS has carried out credit control according to the predetermined resource ending request that receives, send predetermined resource to aaa server and finish to reply, aaa server sends credit control application to the WLAN Access Network to be finished to reply.
Because said method one, method two need carry out the mutual of message such as stage, the request of chargeing of conversation end stage or credit control request in session incipient stage, session, so above-mentioned charging way is applicable to based on the time or based on the charging of flow, and WPAN generally provides service and service generally to be based on Event triggered according to the WPAN internal information, the duration of service is very short, so being difficult to provides the charging way of service directly to introduce among the WPAN above-mentioned WLAN.
In method three, 3GPP (third generation partner program) network, the charging method of the IP multimedia service that provides at the 3GPP network internal as shown in Figure 2.
Among Fig. 2, the IP multimedia service that the 3GPP network internal provides is the service based on Event triggered.At first, the signaling of setting up SIP (conversation initialized protocol) between user terminal and AS (application server) or MRFC (media resource function controlled entity) is connected, then, send the request of charging by the ECF (Event Charging Function entity) of AS in charge system again, EFC carries out charging event control according to the charging request that receives, and returns charging to AS and reply.AS receive charge reply after, send service content to user terminal.
In the charging process of said method three, set up the SIP session connection between user terminal needs and charge system, but, when WPAN user uses the service that communication network side application server provides by WPAN, can not use the SIP session to connect between WPAN user and the AS.Therefore, be difficult to the charging way in the 3GPP network is directly introduced among the WPAN.
In sum, the charging method in existing WLAN, the 3GPP system can't be applicable in the WPAN system, therefore need set up a cover provides service at WPAN charging method.
Summary of the invention
Embodiment of the present invention provides charge system, gateway and charging method, has solved WPAN and has reached the charging problem that the Radio Access Network of similar structures is arranged with WPAN.
A kind of charging network that embodiment of the present invention provides comprises: the charge system of wireless access network gateway, charge information sending module, service authentication module and communication network side;
Wireless access network gateway: be used for receiving the service request information of the service requesting node of Radio Access Network, and carry out service authentication according to described service request message requests service authentication module; Service authentication module: be used for service requesting node is carried out service authentication; The charge information sending module: after described service authentication was passed through, the service that provides for described service requesting node at service providing node sent charge information to the charge system of communication network side; Charge system: being used for according to the charge information that receives is the service requesting node processing of chargeing.
Embodiment of the present invention also provides a kind of gateway, and described gateway is positioned at the wireless access network side, is provided with receiver module and service authentication request module in the described gateway; Receiver module: the service request information that is used to receive service requesting node; The service authentication request module: be used for carrying out service authentication, receive the service authentication result that the transmission of service authentication module comes according to the service request message requests service authentication module that receiver module receives, and output service authentication result.
Embodiment of the present invention also provides a kind of charging method, and described charging method comprises: the wireless access network gateway receives the service request information of the service requesting node in the wireless access network; Wireless access gateway is according to the service authentication of described service request information initiation to service requesting node; After service authentication is passed through, send charge information for the service that described service requesting node provides to the charge system of communication network side at service providing node; Described charge system is the service requesting node processing of chargeing according to its charge information that receives.
Embodiment of the present invention is initiated service authentication to service requesting node by the wireless access network gateway, and makes full use of the charge system of communication network side, realizes service requesting node requested service in the Radio Access Network is chargeed.
Description of drawings
Fig. 1 is at the off-line accounting method of WLAN conversational services in the prior art;
Fig. 2 is the charging flow figure of the IP multimedia service that provides at the 3GPP network internal in the prior art;
Fig. 3 is the model according to the charging network of embodiment of the present invention;
Fig. 4 is the charging network schematic diagram according to embodiment of the present invention;
Fig. 5 is the online charging method flow schematic diagram one according to embodiment of the present invention;
Fig. 6 is the off-line accounting method schematic flow sheet one according to embodiment of the present invention;
Fig. 7 is the online charging method flow schematic diagram two according to embodiment of the present invention;
Fig. 8 is the off-line accounting method schematic flow sheet two according to embodiment of the present invention.
Embodiment
In embodiment of the present invention, with the WPAN network is example, charging network provides service to charge at WPAN, and this charging network can charge for the application service that WPAN provides in this locality, also can charge for WPAN user is provided by the application service that provides in the communication network.The application service that WPAN provides in this locality is the application service based on local information that WPAN provides in the present networks side.It is after WPAN user inserts communication network by the WPAN IAD, to provide the service of obtaining the node from telecommunications network service that application service is provided in the communication network.
For ease of understanding, 3 couples of WPAN that comprise the embodiment of the present invention charging network provide the network model of service to describe at first in conjunction with the accompanying drawings below.
WPAN among Fig. 3 provides the network model of service mainly to comprise: WPAN subscriber equipment, WPAN gateway, WPAN IAD, charge system and service authentication module.WPAN subscriber equipment, WPAN gateway belong to the WPAN side, and WPAN IAD and charge system belong to the communication network side.The service authentication module can be arranged at the communication network side as in the aaa server that is arranged at the communication network side, also can independently be provided with or be arranged in other network equipment.The WPAN side can also optionally be provided with service providing node such as local service provides node.The communication network side can optionally be provided with service providing node, as the application server of communication network side.WPAN provides the network model of service can also optionally be provided with the service providing node that is positioned at the Internet.
The WPAN subscriber equipment is generally the terminal equipment that comprises the WPAN communication module.WPAN subscriber equipment in the embodiment of the present invention has unique identify label in communication network, the WPAN subscriber equipment can be used as a node and adds WPAN.
The WPAN gateway is the gateway that WPAN inserts external network.The WPAN gateway can be supported TCP/IP (transmission control protocol/Internet protocol), Diameter and security protocol.Security protocol such as TLS (Transport Layer Security), IPsec (IP security protocol) etc.The WPAN gateway has protocol conversion and map addresses function, and the WPAN gateway also has certain storage capacity and disposal ability.The WPAN gateway is mainly used in the WPAN subscriber equipment and carries out information interaction and carry out information interaction with the communication network side, after receiving the service request information that the service providing node transmission of WPAN side comes or receive the service request information that the WPAN user device transmissions comes as the WPAN gateway, carry out information interaction with the service authentication module that is arranged at the communication network side, for the WPAN subscriber equipment carries out service authentication.
The service providing node of WPAN side is that local service provides node, can provide application service for WPAN user, as the local relevant real time information service of WPAN, automatic vending service in the WPAN and electronic transaction service or the like are provided for WPAN user.If the amount of information that local application service can provide is less, then can not need the special network equipment to be set for local application service, local application service distribution can be arranged in the network node in the WPAN, promptly the network node in the WPAN can become the service providing node of WPAN side.The service providing node of WPAN side also can be called local service provides node.
The WPAN IAD is the functional entity that the communication network side that inserts the communication network ability is provided for WPAN, and this entity is positioned at the communication network side.Because the WPAN IAD is mainly used in the forwarding of message transfer between WPAN and the communication network, for example, entities such as the aaa server of WPAN side by WPAN IAD and communication network side, charge system carry out interacting message.But for convenience, the WPAN side of execution mode and the interacting message between the communication network side have omitted the WPAN IAD in describing below.
The service authentication node is mainly used in service requesting node is carried out service authentication.The service authentication node can be arranged in the aaa server of communication network side, and the service authentication node also can be arranged in the service providing node.Aaa server is the authentication, authorization and accounting server in the communication network.Aaa server can link to each other with HLR (attaching position register).Aaa server can obtain identity information, CAMEL-Subscription-Information, service control information of WPAN user etc.
In embodiment of the present invention, service authentication node such as aaa server can carry out service authentication for WPAN user, and store the authorization message to WPAN user in service authentication node such as the aaa server.
Application server is the server that the communication network side provides application service, and can finish and use application server that the service authentication and the service controlled function of service are provided to WPAN user.Application server can provide public information service and real-time not strong WPAN internal information usually.Public information service is as the public information service etc. of customization.The WPAN internal information can be non real-time information, can regular update.
Charge system is the system that the communication network side is carried out charge accounting.Charge system can comprise OCS (Online Charging System), also can comprise off-line accounting system, can also comprise OCS and off-line accounting system simultaneously.Off-line accounting system comprises: the CDF (charging data function entity) that is used for offline charging.CDF can comprise CCF (Charging Collection Function entity) and CGF (charging gateway function body) etc.OCS is responsible for the service of WPAN user's use and carries out the real time billing processing, and CDF is responsible for service generation, collection, processing charging data record and the processing of chargeing that WPAN user uses.
The charging network that provides service at WPAN that embodiment of the present invention provides as shown in Figure 4.
Among Fig. 4, charging network comprises: the charge system of WPAN gateway, service authentication module, charge information sending module and communication network side.Need to prove that charging network can comprise the WPAN IAD, be used to provide WPAN to insert the communication network ability.
The WPAN gateway is mainly used in the service request messages of the service requesting node transmission that receives among the WPAN, and service requesting node is carried out service authentication according to this service request message requests service authentication module, be that WPAN gateway and service authentication module are carried out information interaction, to carry out service authentication to service requesting node.Provide the characteristics of service for adapting to WPAN, can also store above-mentioned service authentication object information in the WPAN gateway, it is the stores service authentication record, like this, when this service requesting node sends service request information once more, the WPAN gateway can be searched the service authentication record of its storage, after finding the service authentication record of this service requesting node correspondence, then do not need to carry out the information interaction of relevant service authentication, thereby avoided the interior service request of WPAN frequent with the service authentication module, need carry out service authentication repeatedly and cause communication network side charge system frequently to carry out the phenomenon of service authentication for WPAN user.The WPAN gateway can also be forwarded to the service content that service providing node sends the service requesting node among the WPAN.The WPAN gateway can independently be provided with, and also can close with other network entity and establish, and is arranged at as the WPAN gateway in the service providing node of WPAN side, and the WPAN gateway is arranged in the WPAN orthofunction entity for another example.The particular location of WPAN gateway can be provided with according to the real network application scenarios.
The aforesaid operations of WPAN gateway can be realized that by each module of WPAN gateway these modules comprise receiver module, service authentication request module, service authentication memory module and search module.
Receiver module is mainly used in the service request information that receives service requesting node.Service request information can be sent by the WPAN subscriber equipment, also can be transmitted by local application server.
The service authentication request module is mainly used in the service request information that receives according to the receiver module in the WPAN gateway and initiates service authentication to service requesting node, and receives the service authentication result that the transmission of service authentication module comes; Be that service authentication request module and service authentication module are carried out information interaction, so that the service requesting node requested service is carried out service authentication, and output service authentication result.The service authentication result of service authentication module output can be stored by the service authentication memory module.
The service authentication memory module is mainly used in and receives the service authentication object information that the transmission of service authentication request module comes, and the service authentication object information is stored as the service authentication record of this service requesting node.Embodiment of the present invention is not got rid of the service authentication of storing in the service authentication memory module and is write down the possibility that is provided with by static configuration.The service authentication memory module can also write down the management of wearing out to the service authentication of its storage, promptly when surpass effective time the memory time of service authentication record, deletes this service authentication record.Can be provided with the effective time here according to the managerial demand in the real network.
Search module and be mainly used in the service authentication record that the service request information that receives according to the WPAN gateway is searched the storage of service authentication memory module, when not finding the service authentication record that mates with service request information, notification service authentication request module, the service authentication request module is carried out service authentication according to service request information and service authentication module after receiving the notice of searching module; When searching module searches to the time with the service authentication record of service request information coupling, with the service authentication record that finds service authentication result as service request information, and output.
The service authentication module is mainly used at service requesting node requested service and WPAN gateway carries out information interaction, and to carry out service authentication, the service authentication module can be arranged in the aaa server, also can be arranged in the service providing node.
The charge information sending module is mainly used in after definite service authentication is passed through, and the service that provides to service requesting node at service providing node sends charge information to the charge system of communication network side; The charge information sending module can judge whether service authentication is passed through according to the information of output of searching module or the output of service authentication module.The charge information sending module can be arranged in the WPAN gateway, and the charge information sending module also can be arranged in the service providing node of communication network side.
It is the service requesting node processing of chargeing that charge system is mainly used in according to the charge information that receives.Charge system can adopt the processing of chargeing of existing charging processing procedure.
Gateway that embodiment of the present invention provides such as above-mentioned description to WPAN gateway in the charging network are in this no longer repeat specification.
The charging method that embodiment of the present invention is provided describes below.
At first, the WPAN gateway receives the service request information of service requesting node among the WPAN.This service request information can be that the service requesting node among the WPAN is directly sent, also can transmit by other node, receive the service request information that service requesting node is sent as the local application server among the WPAN, then the service request information that receives is forwarded to the WPAN gateway.
The WPAN gateway is initiated the service authentication process after receiving service request information.The WPAN gateway can by and the network equipment such as the aaa server of communication network side or service providing node between information interaction carry out service authentication, the WPAN gateway also can write down according to its stored historical service authentication and carry out service authentication.The WPAN gateway can write down the management of wearing out to its stored historical service authentication, and promptly the WPAN gateway is deleted the service authentication record of its storage according to the service authentication record corresponding effective time.
After above-mentioned service authentication was passed through, the service that provides for service requesting node at service providing node sent charge information to the charge system of communication network side.In the present embodiment, can send charge information to the charge system of communication network side by the WPAN gateway; Also can send charge information to the charge system of communication network side by the service providing node of communication network side.
After charge system receives charge information, can utilize existing charging processing procedure to be the service requesting node processing of chargeing.This charging is handled and can be handled for online charging, also can handle for offline charging.
Below in conjunction with accompanying drawing the multiple charging method that embodiment of the present invention provides is described.
Method one, provide the charging method of application service at the WPAN side, promptly service providing node provides the charging method of application service in the WPAN.
In the charging process of method one, WPAN user at first initiates service request, the WPAN gateway initiates this service request is carried out the service authentication process, after authentication is passed through, send the request of charging by the WPAN gateway to the charge system of communication network side, then, the charge system of communication network side is chargeed according to the charging request that receives and is handled and reply, and last WPAN local service provides node to send service.Using service initiation frequency in the WPAN may be comparatively frequent, and data volume is less relatively.At these characteristics, embodiment of the present invention has adopted verification process completely to WPAN user's service of asking first, when the user asks to serve once more, can utilize the authentication information of WPAN gateway buffer memory to authenticate.The charging method of embodiment of the present invention is also considered respectively according to the characteristics of online charging and offline charging.
Provide specific implementation process that service charges as shown in Figure 5 based on the employing online charging mode of method one to the WPAN side.
Among Fig. 5, step 1, the local service of service requesting node WPAN UE in WPAN provide node to send service request information.Include information such as the unique identify label of service requesting node in communication network, request service content in this service request information.
Local service in step 2, the WPAN provides node that its service request information that receives is forwarded to the WPAN gateway.
After step 3, WPAN gateway receive service request information, carry out the service authentication process with service authentication person's the identity and the aaa server of communication network side, be identity the aaa server transmission service authentication message to communication network in of WPAN gateway, and the service authentication object information of service requesting node is returned the WPAN gateway with service authentication person.The WPAN gateway receives and the service authentication result of the service requesting node that the buffer memory aaa server sends.
Step 4, after the information that the WPAN gateway sends according to aaa server determines that service authentication is passed through, the WPAN gateway sends the request of charging to the charge system of communication network side, this chargings asks to adopt diameter agreement etc. to be carried.Can comprise in the request of chargeing WPAN user identity information, WPAN address information, use ID, application content ID, cost information etc.
Online Charging System (OCS) in step 5, the communication network side charge system carries out online charging to the request of chargeing to be handled, as the processing such as pre-deduction of expense.
Step 6, OCS send accounting answer to the WPAN gateway.
Step 7, WPAN gateway are after receiving accounting answer, and the local service in WPAN provides node to send the request service and sends order.
Local service among step 8, the WPAN provides node after receiving request service transmission order, sends service to service requesting node.
Step 1 among above-mentioned Fig. 5 to step 8 is once complete online charging process.If this service requesting node has been initiated new service request again, then the WPAN gateway is after receiving the new service request of above-mentioned service requesting node, can in the service authentication result of its storage, search the service authentication information that whether has this service requesting node, if there is the corresponding service authentication information of this service requesting node, then the WPAN gateway can no longer carry out the service authentication process with aaa server, promptly omit the step 3 among above-mentioned Fig. 5, directly execution in step 4 is to the charging process of step 8, otherwise, need repeated execution of steps 3 to step 8, to finish charging process to this service requesting node request service.
In above-mentioned description at Fig. 5, local service in the WPAN provides node and service requesting node directly to carry out information interaction, and promptly service requesting node directly is sent to service request information local service provides node, service providing node directly service to be sent to service requesting node.Mode and service requesting node that local service in the WPAN provides node also can adopt relaying are carried out information interaction, be that the interior local service of WPAN provides node to carry out information interaction by other node such as WPAN gateway etc. with service requesting node, provide node service can be sent to the WPAN gateway as the local service in the WPAN, service is sent to service requesting node by the WPAN gateway.When the local service in the WPAN provide node only can by wired connection and WPAN gateway communication, do not have with WPAN in node when carrying out the wireless module of radio communication, can adopt the mode of above-mentioned relaying.Service requesting node also can directly be sent to service request the WPAN gateway.
In above-mentioned description at Fig. 5, if local service is provided node to replace with to be arranged in the application server of Internet (the Internet), be that service providing node is arranged in Internet, realize that then the process of charging and the step that above-mentioned Fig. 5 describes are similar, the place of its difference comprises: the service request of service requesting node is sent to application server among the Internet by the WPAN gateway, and service authentication can carry out on the application server in Internet, promptly carries out information interaction between the application server among WPAN gateway and the Internet and realizes service authentication to service requesting node; Service authentication also can be carried out in the aaa server in communication network, be that application server among the Internet is sent to aaa server with service request by the passage between itself and the aaa server, by aaa server service requesting node is carried out service authentication, and the service authentication result is back to the WPAN gateway.In addition, the application server that is arranged in Internet can be sent to service content the WPAN gateway earlier when service requesting node sends service content, by the WPAN gateway service content is forwarded to service requesting node again.
Provide specific implementation process that service charges as shown in Figure 6 based on the employing offline charging mode of method one to the WPAN side.
Step 1 is identical to step 3 with above-mentioned step 1 in describing at Fig. 5 to step 3 among Fig. 6, no longer is repeated in this description at this.
Step 4, WPAN gateway at first charge to the charge system transmission of communication network side after service authentication is passed through and ask initiation command.
After step 5, charge system receive the request of charging, for this service generates or open a charging data record (CDR).
Step 6, charge system send to charge to the WPAN gateway and reply.
Step 7, WPAN gateway receive to charge and reply, and provide node to send order to local service, and this order is used to ask local service to provide node to send service to service requesting node.
Step 8, local service provide the service requesting node of node in WPAN to send service.
After step 9, service sent and complete successfully, local service provided node to send to the WPAN gateway and serves successfully order.
After the service that receives of step 10, WPAN gateway was successfully ordered, the charge system in communication network sent the charging request that carries the charging ending message.
Step 11, charge system are upgraded according to charging ending message in the charging request that receives and are closed corresponding charging data record.
Step 12, charge system send to charge to the WPAN gateway and reply.
Step 1 among above-mentioned Fig. 6 to step 12 is the offline charging process of a complete service.If this service requesting node has been initiated new service request again, then the WPAN gateway can search in the authentication result information of its storage whether the service authentication of this service requesting node information is arranged, if there is the service authentication information of this service requesting node, then the WPAN gateway can no longer carry out the service authentication process with aaa server, promptly can omit the step 3 among above-mentioned Fig. 6, directly execution in step 4 is to the charging process of step 12, otherwise need once more execution in step 3 to step 12, to finish charging process to this service requesting node request service.
In above-mentioned description at Fig. 6, local service in the WPAN provides node and service requesting node directly to carry out information interaction, and promptly service requesting node directly is sent to service request information local service provides node, service providing node directly service to be sent to service requesting node.Mode and service requesting node that local service in the WPAN provides node also can adopt relaying are carried out information interaction, be that the interior local service of WPAN provides node to carry out information interaction by other node such as WPAN gateway etc. with service requesting node, provide node service can be sent to the WPAN gateway as the local service in the WPAN, service is sent to service requesting node by the WPAN gateway; When the local service in the WPAN provide node only can by wired connection and WPAN gateway communication, do not have with WPAN in node when carrying out the wireless module of radio communication, can adopt the mode of above-mentioned relaying.Service requesting node also can directly be sent to service request the WPAN gateway.
In above-mentioned description at Fig. 6, if local service is provided node to replace with to be arranged in the application server of Internet (the Internet), be that service providing node is arranged in Internet, realize that then the process of charging and the step that above-mentioned Fig. 5 describes are similar, the place of its difference comprises: the service request of service requesting node is sent to application server among the Internet by the WPAN gateway, and service authentication can carry out on the application server in Internet, promptly carries out information interaction between the application server among WPAN gateway and the Internet and realizes service authentication to service requesting node; Service authentication also can be carried out in the aaa server in communication network, be that application server among the Internet is sent to aaa server with service request by the passage between itself and the aaa server, by aaa server service requesting node is carried out service authentication, and the service authentication result is back to the WPAN gateway.In addition, the application server that is arranged in Internet can be sent to service content the WPAN gateway earlier when service requesting node sends service content, by the WPAN gateway service content is forwarded to service requesting node again.
Method two, provide the charging method of application service at the communication network side.
Provide specific implementation process that service charges as shown in Figure 7 based on the employing online charging mode of method two to communication network side application server.
Step 1, service requesting node send service request information to the WPAN gateway.
Step 2, WPAN gateway are after receiving service request information, requirement according to the communication network side is carried out protocol conversion and encapsulation to service request information, and the service authentication message after protocol conversion and the encapsulation process is forwarded to the service providing node of communication network side, i.e. application server.
Step 3, application server are finished the service authentication to this service request, and carry out corresponding service control, as rate controlled, flow control etc.If the service authentication failure, then this charging process finishes; If service authentication is passed through, to step 4.
Step 4, application server send the charging request message to Online Charging System, and the form of this charging request message should meet the communication network protocol specification.
Step 5, Online Charging System are carried out the control of chargeing after receiving the charging request message.
Step 6, Online Charging System return to charge to application server and reply.
Step 7, application server receive after this charging replys, and send service content to the WPAN of communication network side gateway.
After step 8, WPAN gateway receive service content, service content is forwarded to service requesting node among the WPAN according to the address information of the service requesting node among the WPAN in WPAN.
Provide specific implementation process that service charges as shown in Figure 8 based on the employing offline charging mode of method two to communication network side application server.
Step 1 among Fig. 8 is identical to step 2 with above-mentioned step 1 in describing at Fig. 7 to step 2.
Step 3, communication network side application server are finished the service authentication to this service request, and carry out corresponding service control, as rate controlled, flow control etc.If the service authentication failure, then this charging process finishes; If service authentication is passed through, to step 4.
After step 4, charge system receive the request of charging, for this service generates or open a charging data record (CDR).
Step 6, charge system send to charge to application server and reply.
Step 7, application server receive charge reply after, send service to service requesting node, this service at first is sent to the WPAN gateway.
Step 8, WPAN gateway are forwarded to service requesting node with the service that it receives.
After step 9, service sent and complete successfully, the WPAN gateway sent to communication network side application server and serves successfully order.
Step 10, application server are after the service that receives is successfully ordered, and the charge system in communication network sends the charging request that carries the charging ending message.
Charging ending message renewal in step 11, the charging request that receives of charge system basis is also closed corresponding charging data record.
Step 12, charge system send to charge to application server and reply.
Embodiment of the present invention is by being provided with the WPAN gateway and making full use of the charge system of communication network side, when making service requesting node among the WPAN insert communication network by WPAN, the charge system of communication network side can be chargeed at service requesting node requested service among the WPAN; The charging problem of the service that provides in the service that provides at WPAN this locality, service that the communication network side provides, the Internet is be provided.Embodiment of the present invention can not made amendment to existing charge mode in the communication network, has interoperability with communication network, and can provide online charging, offline charging for service requesting node.By in WPAN gateway place stores service authentication record, when this service requesting node sends service request information once more, the WPAN gateway can be searched the service authentication record of its storage, after finding the service authentication record of this service requesting node correspondence, then do not need to carry out the information interaction of relevant service authentication with aaa server, thus avoided in the WPAN service request frequent, need carry out service authentication repeatedly and cause the communication network side frequently to carry out the phenomenon of service authentication for WPAN user; Thereby embodiment of the present invention not only provides brand-new billing technology scheme for WPAN, and this billing technology scheme can fully adapt to the characteristics that WPAN provides service, thereby provides real feasible billing technology scheme for WPAN.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention.For example, have the Radio Access Network of similar WPAN network configuration for other, the described various charging methods of the embodiment of the invention stand good.Therefore, the claim of application documents of the present invention comprises these distortion and variation.

Claims (15)

1. a charging network is characterized in that, described network comprises: the charge system of wireless access network gateway, charge information sending module, service authentication module and communication network side;
Wireless access network gateway: be used for receiving the service request information of the service requesting node of Radio Access Network, and carry out service authentication according to described service request message requests service authentication module;
Service authentication module: be used for service requesting node is carried out service authentication;
The charge information sending module: after described service authentication was passed through, the service that provides for described service requesting node at service providing node sent charge information to the charge system of communication network side;
Charge system: being used for according to the charge information that receives is the service requesting node processing of chargeing.
2. charging network as claimed in claim 1 is characterized in that, described service authentication module is arranged in authentication, authentication and accounting server, perhaps is arranged in the service providing node of wireless access network side.
3. charging network as claimed in claim 1 or 2 is characterized in that, described wireless access network gateway is the gateway of wireless personal area network WPAN.
4. charging network as claimed in claim 1 or 2 is characterized in that:
Described charge information sending module is arranged in the described wireless access network gateway; Perhaps described charge information sending module is arranged in the service providing node of communication network side.
5. charging network as claimed in claim 1 or 2 is characterized in that, described charge system comprises: Online Charging System and/or off-line accounting system.
6. charging network as claimed in claim 1 or 2 is characterized in that, described wireless access network gateway independently is provided with, and perhaps is arranged in the service providing node of wireless access network side, perhaps is arranged in the orthofunction entity of wireless personal area network WPAN.
7. charging network as claimed in claim 1 or 2 is characterized in that, described service providing node comprises following one or more: the service providing node of the service providing node of wireless access network side, communication network side, the service providing node in the Internet.
8. a gateway is characterized in that, described gateway is positioned at the wireless access network side, is provided with receiver module and service authentication request module in the described gateway;
Receiver module: the service request information that is used to receive service requesting node;
The service authentication request module: be used for carrying out service authentication, receive the service authentication result that the transmission of service authentication module comes according to the service request message requests service authentication module that receiver module receives, and output service authentication result.
9. gateway as claimed in claim 8 is characterized in that, is provided with the service authentication memory module in the described gateway and searches module;
Service authentication memory module: be used for according to the service authentication service authentication record of stores service requesting node as a result;
Search module: the service authentication record that is used for searching described service authentication memory module storage according to the service request information that receiver module receives, when not finding the service authentication record, the service authentication request module is carried out service authentication according to described service request message requests service authentication module, when finding the service authentication record, with the service authentication result of the described service authentication record that finds as described service request.
10. gateway as claimed in claim 8 or 9 is characterized in that, also comprises the charge information sending module, is used for sending charge information by the back to the charge system of communication network side in service authentication.
11. a charging method is characterized in that, described method comprises:
The wireless access network gateway receives the service request information of the service requesting node in the wireless access network;
Wireless access gateway is according to the service authentication of described service request information initiation to service requesting node;
After service authentication is passed through, send charge information for the service that described service requesting node provides to the charge system of communication network side at service providing node;
Described charge system is the service requesting node processing of chargeing according to its charge information that receives.
12. method as claimed in claim 11 is characterized in that, the service request messages that described service request information is sended over by service requesting node; And/or, provide node to forward by the local service of wireless access network side.
13. method as claimed in claim 11 is characterized in that, stores the service authentication record of service requesting node in the described wireless access network gateway, described gateway initiates the service authentication of service requesting node is comprised according to described service request information:
Described wireless access network gateway is searched the service authentication record of described storage according to service request information;
When not finding the service authentication record, described wireless access network gateway is according to the service authentication of described service request information initiation to service requesting node;
When finding the service authentication record, with the service authentication result of the described service authentication record that finds as described service request information.
14. method as claimed in claim 11 is characterized in that, the step that described charge system to the communication network side sends charge information comprises:
Described wireless access network gateway sends charge information to the charge system of described communication network side; Perhaps
Described service providing node sends charge information to the charge system of described communication network side.
15., it is characterized in that described service providing node comprises for the service manner that described service requesting node provides as the described method of arbitrary claim in the claim 11 to 14:
The WPAN gateway receives after charging that charge system returns replys, and sends service request to the service providing node of WPAN side, and the service providing node of WPAN side sends service content to service requesting node after receiving service request; Perhaps
The service providing node that is positioned at communication network side/the Internet receives after charging that charge system returns replys, and sends service content to the WPAN gateway, and the WPAN gateway is forwarded to service requesting node with the service content that receives.
CNA2007100651233A 2007-04-04 2007-04-04 Charging network, charging method and gateway Pending CN101282225A (en)

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CNA2007100651233A CN101282225A (en) 2007-04-04 2007-04-04 Charging network, charging method and gateway
PCT/CN2008/070626 WO2008122233A1 (en) 2007-04-04 2008-03-28 Charging network, charging method and gateway

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CN100417146C (en) * 2005-04-30 2008-09-03 华为技术有限公司 Method for power discrimination and charging and external user interface gateway
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