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 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 a policy control method for local access of a mobile subscriber. The policy control method comprises the following steps: a policy decision entity of a mobile network establishes a policy for the IP (internet protocol) connectivity access network (IP-CAN) session, and the established policy is respectively sent to a policy enforcement entity of the mobile network and a policy decision entity of a fixed network; the policy decision entity of the fixed network sends the received policy to a policy enforcement entity of the fixed network; the policy enforcement entity of the mobile network and the policy enforcement entity of the fixed network install and enforce the received policy. The invention also discloses a policy control system for local access of a mobile subscriber. The method and the system of the invention ensure that the dynamic control of the quality of service (QoS) to the data stream flow for the local IP access of the mobile subscriber is achieved.

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 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 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 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.