48 results about "IP connectivity access network" patented technology

The invention discloses two schemes of a usage monitoring method supporting a traffic detection function (TDF) and a usage monitoring system. According to one scheme, the method comprises the following steps that: a policy and charging rules function (PCRF) entity issues a usage monitoring strategy corresponding to application to a policy and control enforcement function (PCEF) entity of a traffic detection function (TDF), a PCEF entity and an independent TDF, or an independent TDF; and the PCEF entity of the integrated TDF, the PCEF entity and the independent TDF, or the independent TDF executes / execute usage monitoring according to the usage monitoring strategy. Besides, a usage monitoring unit in the system is used for enabling the PCEF, the PCEF of the integrated TDF and the independent TDF to execute the usage monitoring according to the usage monitoring strategy. According to the method and the system in the invention, usage monitoring control at a level that a PCRF can not obtain the service data flow of a service data flow template and usage detection control at an IP connectivity access network (IP-CAN) level under a TDF architecture can be realized.

The present invention provides a charging method and system for a terminal being accessed through multiple access networks, and a reporting method for a terminal being accessed through multiple access networks. When the terminal establishes one IP Connectivity Access Network (IP-CAN) session with a packet data network through at least one access network, an IP-CAN Type parameter of each access network connection passed through by a data flow of a service accessed by said terminal is sent to a charging subsystem, and said charging subsystem charges differently for data flows passing through different access network connections of said terminal according to said IP-CAN Type parameter.

The present invention discloses a method for selecting a policy and charging rules function server in a non-roaming scenario to achieve that the PCC policies for each IP-CAN session are determined only by one PCRF. The method comprises of a Diameter Routing Agent (DRA) establishing an association relationship table in which IP Connectivity Access Network (IP-CAN) session information and corresponding address information of a Policy and Charging Rules Function (PCRF) server are stored; and when a Policy and Charging Enforcement Function (PCEF) entity and a Gateway Control Function Entity (GWCF) requests the PCRF for or to update a Policy and Charging Control (PCC) policy of one IP-CAN session, or when an Application Function (AF) entity sends application information or service information down to the PCRF, obtaining the address information of the PCRF associated with said IP-CAN session from said DRA, then performing subsequent processing.

The invention discloses a method and system for realizing quantity monitoring and controlling. The method comprises the following steps: a policy and charging rules function (PCRF) sets a quantity monitoring policy for each IP connection access network (IP-CAN) conversation or service data stream sharing a total allowable quality according to the obtained total allowable quantity shared by a plurality of users; a policy and charging enforcement function (PCEF) executes quantity monitoring according to the quantity monitoring policy issued by the PCRF and a quantity is reported to the PCRF; and when the PCRF receives the quantity report, the consumed quantity is deducted from the total allowable quantity shared by the plurality of users. The invention provides a realization scheme for the PCRF to simultaneously carry out quantity monitoring on the plurality of users according to the total allowable quantity when the total allowable quantity is shared by the plurality of users, thereby avoiding policy and charging control conflict.

The embodiment of the invention provides a communication method, user equipment (UE) and a communication device of the user equipment. According to the method, an IMS (IP multimedia subsystem) can perceive that the UE is switched, so that subsequent charging and called domain routing is facilitated. In one embodiment, the UE initiates a re-registration process after finishing switching between WiFi and LTE (Long Term Evolution), and carries UE switching related information to an application server in the IMS through a registration request; in another embodiment, after the UE finishes switching between WiFi and LTE, a P-CSCF (Proxy-Call Session Control Function) perceives that the UE is switched according to an IP-CAN (IP-Connectivity Access Network) conversation process, an IP-CAN change event, an RAT- change event or the like, and the P-CSCF notifies the switching information of the UE to the application server in the IMS through a NOTIFY request, a MESSAGE request, an INFO request, an INVITE request and the like.

A method for selecting a policy and charging rules function entity in the non-roaming scenario includes the following steps: when a diameter routing agent DRA receives an indication message of the IP connectivity access network IP-CAN session establishment, the indication message is forwarded to a PCRF according to the related relationship which is set up and saved for allocating the policy and charging rules function PCRF entity to the IP-CAN session; and the corresponding policy and charging control PCC policy, which is made for the IP-CAN session by the PCRF, is forwarded to the provider's IP application function AF and the network element, which has policy and charging enforcement function, corresponding to the IP-CAN session.

The invention discloses an authorization request method, an authorization request system and an authorization request device. The method comprises the following steps that: user equipment establishes an Internet protocol connectivity access network (IP-CAN) session by a home evolved NodeB, wherein the home evolved NodeB is connected to a third generation partnership project (3GPP) core network by a subscribed fixed network line; a policy and charging rules function (PCRF) selects an interwork-PCRF (I-PCRF) for the IP-CAN session, wherein the PCRF selects the same I-PCRF for the IP-CAN session established by the subscribed fixed network line; and the PCRF makes a request for performing quality of service (QoS) authorization on the IP-CAN session to the I-PCRF. By the method, the system and the device, QoS control can be performed on all the user equipment (UE) accessing the network by the home evolved NodeB, so that total demands on QoS may not exceed the QoS which can be provided by the subscribed fixed network line accessed by the home evolved NodeB.

This disclosure discloses a method, an apparatus and a system for selecting a Policy and Charging Rules Function (PCRF) entity. The method comprises: when an IP Connectivity Access Network (IP-CAN) session is established for a User Equipment (UE), the Diameter Routing Agent (DRA) receives a message from a gateway, and selects the PCRF entity for the IP-CAN session according to the main identifier in the message, wherein the UEs sharing the subscription information have the same main identifier. This disclosure can solves the problem that a conflict is caused in PCC since different PCRF entities are used for the PCC when multiple users share the subscription information.

The invention discloses policy charging control-based business processing method and system in a wireless network. The method comprises the steps that: a SGW (Serving Gateway) sends an IP-CAN (IP Connectivity Access Network) bearing establishment request message to a PGW (PDN (Packet Data Network) Gateway); the PGW sends an IP-CAN conversation establishment indication message to a PCRF (Policy and Charging Rules Function) entity; the PCRF entity acquires the practical state information of the wireless network of a cell where UE (User Equipment) is located, and determines the IP-CAN bearing quality of an IP-CAN conversation and sends the IP-CAN bearing quality of an IP-CAN conversation to the PGW in combination with user subscription information, business related information and user roaming state information of the UE user; and based on the information of the IP-CAN bearing quality, the PGW establishes an IP-CAN bearing with the UE and returns an IP-CAN bearing quality establishment confirmation message to the SGW. According to the method and system, the execution efficiency of the PCC (Policy Charging Control) policy can be improved, the wireless network resources can be optimized, and the business processing efficiency of the wireless network can be increased.

Various exemplary embodiments relate to a method and system for distributing policy and charging control (PCC) rules among a plurality of IP-Connectivity Access Network (IP-CAN) bearers. The method may include one or more of the following: receiving, at a PCRN, an UE request (CCR) message, processing the UE message to generate one or more PCC rules, determining one or more requested service data flows (SDFs) from the UE message, and for each requested SDF, generating a new PCC rule based on the UE message. The method may further include, providing each new PCC rule to a Policy and Charging Enforcement Node (PCEN), controlling distribution of the generated PCC rules among a plurality of IP-CAN bearers, and binding each requested service data flow to select ones of IP-CAN bearers of the plurality of IP-CAN bearers.

The invention provides a method and apparatus for selecting a policy and charging rules function. The method comprises the steps of acquiring, by a bearer binding and event report function (BBERF) in a gateway control session establishment process, or a policy and charging enforcement function (PCEF) in an IP connectivity access network (IP-CAN) session establishment process, identification information of a specific business subscribed by a user in a home subscriber server (HSS) and providing the identification information to a diameter routing agent (DRA); selecting, by the DRA, a policy and charging rules function (PCRF) supporting the specific business for user equipment (UE) or an IP-CAN session according to the identification information of the specific business. The invention can support selection of different PCRFs for different businesses.

The invention discloses a policy control method, apparatus, and system of fixed network mobile convergence. The policy control method comprises the following steps that: when 3rd generation partnership project (3GPP) user equipment (UE) is connected to a residential gateway (RG), a policy and charging rules function (PCRF) receives a piece of notice that is sent by an IP boundary entity or a policy and charging enforcement function (PCEF) through an IP connectivity access network (IP-CAN) session established during RG access, wherein 3GPP UE user information is carried by the notice; and when the PCRF receives application information or service information, if 3GPP UE user information is carried by the application information or service information, the PCRF carries out policy decision according to the user subscription information of the 3GPP UE. According to the invention, the port resources can be saved.

The invention discloses a downlink signaling message flow processing method and a system, so that the problems that in the prior art, packet gate way (PGW) is large in flow processing difficulty, signaling interaction between network elements is frequent, and information processing flows are complex are solved. The method comprises the following steps: after the PGW receives internet protocol (IP) connecting visit network conversation modification request messages sent by a policy and charging rules function (PCRF) network element, and sends downlink signaling request messages to a signal gate way (SGW); after the SGW receives the downlink signaling request messages, and when user experience (UE) position information changes, the SGW stores the current UE position information and sends downlink signaling response massages carrying with the current UE position information to the PGW; after the PGW receives the downlink signaling response massages, the PGW sends IP connecting visit network conversation modification response messages not carrying with the current UE position information to the PCRF network element; and the PGW sends the current UE position information to the PCRF network element. According to the downlink signaling message flow processing method and the system, PGW processing difficulty is reduced, and downlink signaling massage flow processing is simplified.

The invention provides an implementation method for emergency call callback and an emergency call callback system. The method comprises the following steps that: a public safety answering point (PSAP) sends an emergency callback request to a proxy call session control function (PCSCF) through an emergency call session control function (ECSCF); the PCSCF sends the emergency callback request to a gateway node of an IP connection access network (IPCAN); and the gateway node of the IPCAN pages user equipment (UE). The implementation method for the emergency call callback and the emergency call callback system can realize the callback of the emergency call without emergency login and common login so as to increase the success rate of the emergency call callback; therefore the service quality of an emergency service is improved.

One object of the present invention is a method for handling Machine to Machine M2M services in a communication system, said method comprising a step of, for charging for IP Connectivity Access Network IP-CAN bearer services in said communication system, providing global charging information for a plurality of terminals using a same M2M service.

The present invention provides a method and system for transmitting a bearer control mode in a roaming scenario. The method includes: a home Policy and Charging Rules Function (hPCRF) sets a bearer control mode of an IP Connectivity Access Network (IP-CAN) session, and forwards the bearer control mode of the IP-CAN session to a visited Policy and Charging Rules Function (vPCRF) through an S9 subsession corresponding to the IP-CAN session; or, an hPCRF sets a bearer control mode of a gateway control session, and forwards the bearer control mode of the gateway control session to the vPCRF through an S9 subsession corresponding to the gateway control session. The system of the present invention includes an hPCRF and a vPCRF. The present invention enables the hPCRF to select different bearer control modes for a plurality of IP-CAN sessions established by a User Equipment (UE) and to forward to the vPCRF, and the vPCRF can further send the bearer control modes to the corresponding enforcement network elements to be executed.

The invention provides a method, a device and a system for indicating a PCC (policy and charging control) user, and relates to the field of mobile communication. Through subscription information of a user, the method, the device and the system indicate the PCC user, making determination of the PCC user more reasonable, control granularity of the PCC user can be extended to the user or a user group, and when a user type changes, influence on a whole network is reduced. The method comprises: receiving information carrying indicating identification, the indicating identification being used to indicate whether a user to access is the PCC user; and establishing an IP connectivity access network (IP-CAN) session connection with a policy and charging rule function (PCRF). The method, the device and the system are used to indicate the PCC user.

Being aware of a loss of signalling bearer transport through an IP Connectivity Access Network is an important issue. Therefore, the present invention relies on amending the Policing and Charging Control model with means to provide the IMS infrastructure with subscriptions to and notifications about signalling session events detected on the signalling IP flow transported through the bearer layer.To this end, a P- CSCF, or AF included therein, is amended to allow the establishment of a signalling session for subscription to notification of bearer level events for a signalling IP flow. Apart from that, new processing rules are required at the AF and PCRF for handling the signalling session, the notification of events and the termination of the signalling session.

The invention discloses a method and a device for establishing a strategic conversation. According to the method and the device, user equipment (UE) is accessed to an evolved packet core (EPC) through a WLAN (wireless local area network) or a femtocell to establish public data network (PDN) connection, a policy control and rule function (PCRF) or a broadband policy control function (BPCF) judges whether an IP connectivity access network (IP-CAN) conversation on an S9a interface is needed to be established according to received local information accessed by users after the strategic conversation of a Gx interface is established between a packet data network gateway (P-GW) and the PCRF, and the PCRF or the BPCF determines whether to establish the IP-CAN conversation according to determinant judgment results or not. According to the method and the device for establishing the strategic conversation, the technical problem in the prior art that when a plurality of UE establish a plurality of IP-CAN conversations under the same residential gateway (RG) and an application function (AF) of an application layer downloads related business information, a correct PCRF cannot be found in a diameter routing agent (DRA) of the existing EPC is solved.

The present invention provides a charging method and system for a terminal being accessed through multiple access networks, and a reporting method for a terminal being accessed through multiple access networks. When the terminal establishes one IP Connectivity Access Network (IP-CAN) session with a packet data network through at least one access network, an IP-CAN Type parameter of each access network connection passed through by a data flow of a service accessed by said terminal is sent to a charging subsystem, and said charging subsystem charges differently for data flows passing through different access network connections of said terminal according to said IP-CAN Type parameter.

The invention discloses an IP-CAN (internet protocol-connectivity access network) session establishment method. The method comprises the following steps: a PCEFa (policy and charging enforcement function) entity receives an IP-CAN session establishment request message; a mobile registration or a bearing establishment is carried out between the PCEFa entity and a PCEFb entity, a PCRF (policy and charging rules function) entity formulates a PCC (policy and charging control) regulation for the IP-CAN session and provides the IP-CAN session and the formulated PCC regulation to the PCEFa entity and the PCEFb entity; and the PCEFa entity returns the IP-CAN session establishment response message. The invention also provides an IP-CAN deletion method. By the adoption of The IP-CAN establishment method and deletion method provided by the invention, the purpose of establishing and deleting the IP-CAN session under a new PCC architecture can be achieved.

The invention discloses a traffic monitoring method and a policy and charging rules function (PCRF) entity. The PCRF entity comprises a traffic report receiving device, a second traffic report requesting device and an accumulated traffic computing device. The method comprises the steps of: when meeting an IP connectivity access network (IP-CAN) conversation level traffic reporting condition of a user, reporting a first traffic report of a user IP-CAN conversation level to the PCRF entity by a policy and charging enforcement function (PCEF) entity; after the PCRF entity receives the first traffic report, requesting the user to connect a corresponding second traffic report through sponsored data accessed by an IP-CAN conversation to the PCEF entity; and after receiving the second traffic report replied by the PCEF entity, using a difference between a value of the first traffic report and a value of the second traffic report as an accumulated traffic value of the IP-CAN conversation level by the PCRF entity. After the invention is adopted, a traffic monitoring-based policy control decision of the PCRF entity is more accurate.

The present invention discloses a method for selecting a policy and charging rules function server in a non-roaming scenario to achieve that the PCC policies for each IP-CAN session are determined only by one PCRF. The method comprises of a Diameter Routing Agent (DRA) establishing an association relationship table in which IP Connectivity Access Network (IP-CAN) session information and corresponding address information of a Policy and Charging Rules Function (PCRF) server are stored; and when a Policy and Charging Enforcement Function (PCEF) entity and a Gateway Control Function Entity (GWCF) requests the PCRF for or to update a Policy and Charging Control (PCC) policy of one IP-CAN session, or when an Application Function (AF) entity sends application information or service information down to the PCRF, obtaining the address information of the PCRF associated with said IP-CAN session from said DRA, then performing subsequent processing.

The invention discloses a method for obtaining a user identifier and a system for obtaining the user identifier under a policy and charging control (PCC) frame in a worldwide interoperability for microwave access (WiMAX) network. The method comprises the following steps: when an internet protocol-connectivity access network (IP-CAN) conversation is built, a policy and charging rules function (PCRF) entity requests a real identifier of a user from an authentication authorization accounting (AAA) server, and the AAA server returns the real identifier of the user back to the PCRF; or when the IP-CAN conversation is built, a subscription profile repository (SPR) requests a real identifier of the user from the AAA server, and the AAA server returns the real identifier of the user back to the SPR. User policy information based on the real user identifier is realized under the condition that the SPR is separated from the AAA server in the PCC frame of the WiMAX network.

The invention provides a method and apparatus for selecting a policy and charging rules function. The method comprises the steps of acquiring, by a diameter routing agent (DRA), subscription information of a specific business subscribed by a user from a subscription profile Repository (SPR) or a business operation support system (BOSS); and selecting, by the DRA, a policy charging rules function (PCRF) supporting the specific business for user equipment (UE) or an IP connectivity access network (IP-CAN) session according to the subscription information of the specific business. The invention can support selection of different PCRFs for different businesses.

A method, system and related device for implementing service data stream offload are disclosed. The offload method includes: when IP-Connectivity Access Network (IP-CAN) bearers are established or modified, a mobile network management entity receives a bearer massage including an offload flag from a mobile network gateway, which obtains the access type of each service data stream, wherein the access types include offload access and non-offload access; when the access type of the service data stream transmitted on any IP-CAN bearer is determined to be the offload access according to the access type of each service data stream, the offload flag is used for indicating that the access type of the service data stream transmitted on the bearer is the offload access; the mobile network management entity transmits an bearer message including the offload flag to a base station so that the base station can implement offload for service data streams transmitted on the bearer according to the indication of the offload flag. An IP data stream offload solution based on stream level can be provided according to embodiments of the present invention.

Being aware of a loss of signalling bearer transport through an IP Connectivity Access Network is an important issue. Therefore, the invention relies on amending the Policing and Charging Control model with means to provide the IMS infrastructure with subscriptions to and notifications about signalling session events detected on the signalling IP flow transported through the bearer layer. To this end, a P-CSCF, or AF included therein, is amended to allow the establishment of a signalling session for subscription to notification of bearer level events for a signalling IP flow. Apart from that, new processing rules are required at the AF and PCRF for handling the signalling session, the notification of events and the termination of the signalling session.