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WO2011047589A1 - Procédé et appareil d'établissement de connexion au réseau, procédé et système d'élaboration de stratégie de commande de politique et de facturation (pcc) - Google Patents

Procédé et appareil d'établissement de connexion au réseau, procédé et système d'élaboration de stratégie de commande de politique et de facturation (pcc) Download PDF

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Publication number
WO2011047589A1
WO2011047589A1 PCT/CN2010/077185 CN2010077185W WO2011047589A1 WO 2011047589 A1 WO2011047589 A1 WO 2011047589A1 CN 2010077185 W CN2010077185 W CN 2010077185W WO 2011047589 A1 WO2011047589 A1 WO 2011047589A1
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WO
WIPO (PCT)
Prior art keywords
group
user equipment
identifier
network element
bearer
Prior art date
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Ceased
Application number
PCT/CN2010/077185
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English (en)
Chinese (zh)
Inventor
朱春晖
宗在峰
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ZTE Corp
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ZTE Corp
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/70—Administration or customization aspects; Counter-checking correct charges
    • H04M15/765—Linked or grouped accounts, e.g. of users or devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/70—Administration or customization aspects; Counter-checking correct charges
    • H04M15/765—Linked or grouped accounts, e.g. of users or devices
    • H04M15/7652—Linked or grouped accounts, e.g. of users or devices shared by users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/70—Administration or customization aspects; Counter-checking correct charges
    • H04M15/765—Linked or grouped accounts, e.g. of users or devices
    • H04M15/7657—Linked or grouped accounts, e.g. of users or devices for closed subscriber group [CSG]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8011—Rating or billing plans; Tariff determination aspects using class of subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8022—Determining tariff or charge band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/81—Dynamic pricing, e.g. change of tariff during call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Definitions

  • the present invention relates to the field of mobile communications technologies, and in particular, to a network connection establishment method and apparatus, and a Policy and Charging Control (PCC) policy. Develop methods and systems. Background technique
  • the 3GPP wireless core network includes a General Packet Radio Service (GPRS) network, a System Architecture Evolution (SAE) network, and a Universal Mobile Telecommunications System (UMTS).
  • the SAE may also be referred to as an Evolved Packet System (EPS).
  • FIG. 1 is a schematic diagram of an emergency call of a User Equipment (UE) for accessing an IP Multimedia Subsystem (IMS) through SAE and UMTS.
  • UE User Equipment
  • IMS IP Multimedia Subsystem
  • UMTS Universal Mobile Telecommunications System
  • the main network elements involved in the UE's access to the Machine Type Communication (MTC) server (MTC Server) through the SAE or UMTS include: the network element of the SAE network part, and the UMTS network. Part of the network element and the MTC Server. In this case, the UE may also be called an MTC device.
  • the network element of the SAE network part is mainly used to provide bearer management and mobility management.
  • the network elements of the SAE network part include: an enhanced wireless base station (eNodeB), a Mobility Management Entity (abbreviated as ⁇ ), and a user plane data processing processing network element (SAE GW); the SAE GW includes a packet data network gateway.
  • eNodeB enhanced wireless base station
  • ⁇ Mobility Management Entity
  • SAE GW user plane data processing processing network element
  • MME Packet Data Network Gateway, abbreviated as P-GW
  • P-GW Packet Data Network Gateway
  • S-GW Monthly Service Gateway
  • MME is responsible for managing and storing the context of the UE (for example, UE identity/user identity, mobility management ⁇ I State, user security parameters, etc.), assign a temporary identifier to the user, and when the UE is camped in the tracking area or the network, it is responsible for authenticating the UE.
  • eNodeB access is also known as Long Term Evolution (Long Term Evolution, referred to as LTE) access.
  • the Policy and Charging Rules Function is an important functional entity of the Policy and Charging Control (PCC) architecture to control the Internet Protocol-Connected Access Network (IP-Connectivity Access Network (IP-CAN for short)) Acquisition, assembly, and delivery of policy and accounting rules.
  • IP-CAN can be a collection of devices and interfaces in an EPS or UMTS network.
  • the P-GW is a mobility anchor in the SAE system. It is a border gateway between the SAE and the Packet Data Network (PDN). It is responsible for PDN access and forwarding data between the SAE and the PDN.
  • PDN Packet Data Network
  • the UMTS network is mainly composed of a 3GPP radio access network (GSM EDGE Radio Access Network/UMTS Terrestrial Radio Access Network, GERAN/UTRAN, collectively referred to as RAN), a Serving GPRS Support Node (SGSN), and a gateway GPRS support node.
  • GSM EDGE Radio Access Network/UMTS Terrestrial Radio Access Network GSM EDGE Radio Access Network/UMTS Terrestrial Radio Access Network, GERAN/UTRAN, collectively referred to as RAN
  • SGSN Serving GPRS Support Node
  • GGSN gateway GPRS support node.
  • 2 is a schematic diagram of signaling of an MTC device (terminal) accessing an MTC server in the prior art.
  • the number of MTC devices is large. Although the data volume of these terminals is very low, only occasionally Some burst data is generated, but these terminals still need to be online for a long time.
  • the present invention provides an improved network connection establishment solution, which is used to solve the problem of low network resource utilization caused by establishing a single bearer for each MTC device in the prior art, thereby causing network resources. The problem of wasting.
  • a network connection establishing method is provided.
  • the method for establishing a network connection includes: receiving, by the network side, an access request initiated by a user equipment, where the access request carries a group identifier indicating a group to which the user equipment belongs; In the case that the second network element is carried, it is determined whether there is a group bearer corresponding to the group identifier between the first network element and the second network element. If yes, the data of the user equipment is tied to the group of bearers. Otherwise, the group bearer between the first network element and the second network element is established for the group to which the user equipment belongs, and the group bearer is recorded as corresponding to the group identifier between the first network element and the second network element. The group is loaded.
  • a network connection establishing apparatus comprises: a receiving module, a determining module, a bearer establishing module, a recording module, and a binding module.
  • the receiving module is configured to receive an access request initiated by the user equipment, where the access request carries a group identifier indicating a group to which the user equipment belongs;
  • the determining module is configured to establish a first network element and the user equipment In the case of the bearer between the two network elements, it is determined whether there is a group bearer corresponding to the group identifier between the first network element and the second network element; the bearer establishing module is configured to be used when the judgment result of the determining module is negative.
  • a PCC policy formulation method for formulating a PCC policy based on a group bearer.
  • the PCC policy-making method includes: after receiving the session request for the group to which the first user equipment belongs, the P-GW sends a setup group bearer indication to the policy and charging rule function PCRF, where the group bearer is established.
  • the indication carries the group identifier of the first user equipment; the PCRF receives the establishment group indication, and obtains the group subscription information corresponding to the group identifier through the user subscription database (SPR); the PCRF group subscription information and the local configuration information formulation and the group identifier Corresponding group PCC policy.
  • a PCC policy making system is provided.
  • the PCC policy making system includes: P-GW, SPR, and PCRF, where
  • a P-GW configured to send a setup group bearer indication to the PCRF after receiving the session request for establishing the group bearer for the group to which the first user equipment belongs, where the group bearer indication carries the group identifier of the first user equipment;
  • the PCRF is configured to receive the group bearer indication, and obtain the group subscription information corresponding to the group identifier carried in the group bearer indication by using the SPR, and
  • the group subscription information and the local configuration information, and the PCC policy of the group corresponding to the group identifier is formulated.
  • FIG. 1 is a schematic diagram of an emergency call for a UE to access an IMS through an SAE and a UMTS in the related art;
  • FIG. 1 is a schematic diagram of an emergency call for a UE to access an IMS through an SAE and a UMTS in the related art;
  • FIG. 2 is a schematic diagram of signaling of an MTC device accessing an MTC server in the prior art
  • FIG. 3 is a schematic diagram of implementing an MTC server according to the present invention
  • FIG. 4A is a schematic diagram of signaling of an MTC device accessing an MTC server according to an embodiment of the present invention
  • FIG. 4B is another MTC device accessing an MTC server according to an embodiment of the present invention
  • FIG. 4C is a schematic diagram of signaling of an MTC device accessing an MTC server according to an embodiment of the present invention
  • FIG. 5 is a flowchart of Embodiment 1
  • FIG. 6 is a flowchart of Embodiment 2
  • FIG. 8 is a schematic structural diagram of a network connection establishing apparatus according to an embodiment of the present invention
  • FIG. 9 is a flowchart of a PCC policy making method according to an embodiment of the present invention
  • FIG. 10 is a fourth embodiment
  • Figure 11 is a flow chart of the fifth embodiment
  • FIG. 12 is a schematic structural diagram of a PCC policy making system according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • each MTC device needs to establish a separate bearer. In the case that the number of MTC devices is large, a large amount of network resources are occupied. To solve this problem, an embodiment of the present invention provides an improved network. How to establish a connection.
  • the MTC devices are grouped, and the MTC devices belonging to the same group under the same base station share one S1-U tunnel, and the MTC devices belonging to the same group under the same SGW-PGW share one.
  • an MPC device belonging to the same group in the same PGW shares an IPSec tunnel.
  • FIG. 3 is a flowchart of a method for establishing a network connection according to an embodiment of the present invention.
  • the network connection establishing method according to the embodiment of the present invention mainly includes the following steps (step S101 - step S107)
  • the access request when the user equipment needs to access the network, The access request needs to be initiated.
  • the access request may be an attach request initiated by the user equipment when initially accessing, or may be a handover request initiated when the handover is initiated.
  • the user equipment may indicate the group to which the user equipment belongs by carrying the identity identifier (such as the IMSI) of the user equipment.
  • the network side After receiving the identity identifier of the user equipment, the network side may analyze the group identifier of the group to which the user equipment belongs.
  • the user equipment may also identify the group identifier of the group to which the user equipment belongs by carrying the access point name (Access Point Name, APN for short) in the access request.
  • the user equipment may be grouped in advance.
  • Step S103 If it is required to establish a bearer between the first network element and the second network element for the user equipment, determine whether there is currently a group identifier corresponding to the user equipment between the first network element and the second network element. The group bearer, if yes, step S105 is performed, otherwise, step S107 is performed; in a specific implementation process, for the network side, as shown in FIG.
  • Step 4 S: The data of the user equipment is bound to the group bearer that is currently associated with the group identifier; the first network element and the second network element have a group identifier corresponding to the user equipment.
  • the bearer binding mechanism is: mapping multiple air interface bearers to one S1-U tunnel, and in the downlink direction, the eNodeB can distinguish different by the target IP address of the packet header. Downstream wireless 7 years.
  • the bearer binding mechanism of the S-GW is as follows: In the uplink direction, the group identifier is used, and the different groups on the S1-U interface belong to the same group.
  • Step S107 Establish a group carrier between the first network element and the second network element for the group to which the user equipment belongs, and record the group record as the group identifier between the first network element and the second network element.
  • the corresponding group is hosted. The following describes the establishment of the group by taking the first network element as the base station, the second network element as the S-GW, and the first network element as the S-GW and the second network element as the P-GW.
  • the first network element is a base station
  • the second network element is a S-GW.
  • the establishment of the group 7 may include the following steps: Step 1: When the user equipment needs to access the network, initiate an access request, and the base station forwards the received access request to the MME;
  • the request carries the user equipment identity (such as the IMSI), and the user equipment also needs to provide the MME with the information of the group to which the user belongs.
  • the MME can obtain the group to which the user equipment belongs by analyzing the IMSI of the user equipment.
  • the information, or the user equipment carries the group identifier in the initiated access request, where the group identifier may be an APN or a preset group identifier (Group ID);
  • Step 2 the MME initiates a session establishment with the selected S-GW.
  • the request, where the setup session request carries the group identifier, requesting the S-GW to establish a group bearer for the group to which the user equipment belongs;
  • Step 3 the S-GW receives the setup session request, between the base station and the S-GW A group is created for the group to which the user equipment belongs, and the group-mounted tunnel identifier is assigned.
  • the S-GW after establishing the group bearer, the S-GW will continue to send a setup session request to the P-GW to request the P-GW to establish a bearer between the S-GW and the P-GW. And the S-GW may carry the group identifier in the setup session request, to request the P-GW to establish a group corresponding to the group identifier between the S-GW and the P-GW, and the specific process is described in the following description;
  • the GW After establishing the bearer between the S-GW and the P-GW, the GW returns a setup session reply to the S-GW, where the setup session reply carries the IP address assigned by the P-GW to the user equipment, and if P- The GW establishes a group bearer between the S-GW and the P-GW, and the setup session reply further carries the group tunnel identifier assigned by the P-GW to the group to which the user equipment belongs; the S-GW receives the establishment session reply After the MME sends a setup session reply, the setup session reply
  • the MME After receiving the setup session reply, the MME sends a message to the base station, where the message carries the S-
  • the GW is the group tunnel identifier assigned to the group to which the user equipment belongs.
  • the first network element is the S-GW
  • the second network element is the P-GW.
  • the group between the first network element and the second network element can be established by the following method: Step 1 After receiving the access request initiated by the user equipment, the P-GW initiates a session establishment request, where the setup session request carries the group identifier of the group to which the user equipment belongs, and requests the P-GW to establish the S-GW and the P-GW.
  • the S-GW may send the session establishment request to the P-GW after the MME receives the setup session request sent after the access request forwarded by the base station.
  • Step 2 The P-GW receives the setup session request, and establishes a group bearer between the S-GW and the P-GW for the group to which the user equipment belongs, and allocates the group-mounted tunnel identifier. And after the group bearer is established for the group to which the user equipment belongs, the P-GW may send a setup session reply to the S-GW, where the setup session reply carries the group 7 tunnel identifier assigned to the group to which the user equipment belongs.
  • the P-GW may also initiate a tunnel establishment request to the MTC server, requesting to establish a P-GW and a tunnel between the MTC servers, where the tunnel establishment request carries a group identifier; the MTC server receives the tunnel establishment request, establishes a tunnel between the P-GW and the MTC server, and returns the same to the P-GW. Tunnel identifier of the tunnel; The P-GW saves the mapping relationship between the tunnel identifier and the group identifier.
  • the P-GW or the MTC server selects the uplink and downlink data of the user equipment in the group corresponding to the group identifier between the P-GW and the MTC server.
  • the tunnel corresponding to the tunnel identifier performs uplink and downlink data transmission.
  • the MTC devices belonging to the same group under one P-GW share a Group BEARER: P-GW "-" M2M SERVER.
  • the PGW initiates the establishment of a tunnel, which can be an IPSec tunnel.
  • a tunnel which can be an IPSec tunnel.
  • In the uplink direction all the data of the MTC devices belonging to the same group are aggregated into the tunnel and sent by the P-GW to the MTC Server.
  • the IP address of the MTC device is used.
  • the group of user equipments share an S1-U tunnel, an S5/S8 tunnel, and an IPSec tunnel;
  • the same group of user equipments of different base stations but under the same S-GW, as shown in FIG. 4B the group of user equipments share one S5/S8 tunnel and an IPSec tunnel; for different base stations, different S-GWs, but the same P-GW
  • the group of user equipments share an IPSec tunnel.
  • the first embodiment of the MTC device 1 is used as an example to describe the method for establishing a group.
  • the MTC device 1 is the first user equipment to be accessed in the group to which the MTC device 1 belongs.
  • FIG. 5 is a flowchart of the embodiment. As shown in FIG. 5, in the embodiment, the initial setup of the MTC device 1 includes the following steps: Step 501: The MTC Device 1 passes through the base station (eNodeB).
  • the MME initiates an attach request, where the attach request carries the identity of the user equipment (such as the IMSI), and the MME can obtain the group identifier of the group to which the user equipment belongs by using the IMSI, or in the attach request, the MTC Device1 carries The group ID of the group to which it belongs.
  • the group ID can be either an APN or a preset Group ID.
  • Step 502 The MME sends a location update request to the HSS, where the location update request carries the user identity identifier IMSI. If the group identity of the user belonging group in the attach request is required, the group identifier is also required, so that the HSS obtains the user.
  • the MME sends a location update response to the MME, where the location update response carries the subscription information of the MTC device 1 and the group subscription information of the group to which the MTC device 1 belongs.
  • Step 504 the MME sends the selected S- The GW initiates a session establishment request, and the request indicates that the S-GW establishes a group bearer for the MTC device;
  • the S-GW After receiving the setup session request, the S-GW allocates a group bearer tunnel identifier 1 to the group to which the MTC device 1 belongs.
  • Step 505 The S-GW initiates a setup session request to the P-GW, where the request indicates that the P-GW establishes a group bearer for the MTC device 1, and also requests the P-GW to allocate an IP address for the MTC device 1, and the request further carries The group-bearing tunnel identifier 1 is assigned by the S-GW to the group to which the MTC device 1 belongs.
  • the P-GW initiates a group-based establishment process to the PCRF as a Policy and Charging Enforcement Function (PCEF). See the subsequent description for details.
  • PCEF Policy and Charging Enforcement Function
  • the GW-GW determines the PCC policy carried by the group according to the information configured by the GW.
  • Step 507 The P-GW sends a setup session reply to the S-GW, where the setup session reply carries the IP address assigned by the P-GW to the MTC device 1 and the group 7 tunnel identifier 2 assigned to the group to which the MTC device 1 belongs.
  • Step 508 the S-GW sends a setup session reply to the MME, where the setup session reply carries the IP address assigned by the P-GW to the MTC device 1;
  • Step 509 the MME sends an initial context setup request to the eNodeB, where The initial context setup request carries an attach accept message sent to the MTC device 1; the initial context setup request carries the IP address assigned by the P-GW to the MTC device 1, and the S-GW allocates the S1-U interface.
  • the group carries the tunnel identifier 1; Step 510, the eNodeB and the MTC device 1 reconfigure the radio resource; Step 511, the eNoodeB sends an initial context setup reply to the MME, where the initial context setup reply may include the S1-U interface as the MTC
  • the group assigned by the group to which the device 1 belongs carries the tunnel identifier 1; Step 512, the MTC Device sends a direct transmission message to the eNodeB; Step 513, the eNodeB sends an attach complete message to the MME, when the step 511 is not When contained in the eNodeB bearer interfaces S 1-U tunnel ID for the group 1 MTC device belongs assigned, the identifier transmitted in the present polymerization in step 4; step 514, MME transmits to repair _ S-GW?
  • FIG. 6 is a flow chart of the initial access of the MTC device 2 in the embodiment. As shown in FIG.
  • the initial access by the MTC device 2 mainly includes the following steps: Steps 601-603 are the same as steps 501-503. Step 604:
  • the MME determines that the device belongs to the same group as the MTC device 1 according to the belonging group information of the MTC device 2, and therefore, determines that the user plane of the MTC device 2 is aggregated into the established group.
  • the MTC device 1 belongs to the group bearer of the group, and the MME initiates a modify session request to the S-GW, where the 4 tampering session request carries the group identifier, and requests to tamper with the group 7 corresponding to the group identifier;
  • the S-GW After receiving the modified session request, the S-GW binds the data of the MTC device 2 to the group bearer corresponding to the group identifier between the base station and the S-GW.
  • Step 605 After receiving the modify group bearer request, the S-GW initiates a modify session request to the P-GW, where the modify group bearer request carries a group identifier, and requests to modify the group bearer; and the P-GW receives the modified group.
  • the MTC device 2 After the bearer request, the MTC device 2 is added to the group corresponding to the group identifier between the S-GW and the P-GW, and the data of the MTC device 2 is bound to the group 7.
  • Step 606 The P-GW sends a group identifier to the PCRF, and notifies the PCRF that the group has a new MTC Device access, and requests a new PCC policy.
  • Step 607 The P-GW sends a modified session reply to the S-GW.
  • Embodiment 3 This embodiment describes a process of establishing a tunnel between a P-GW and an MTC server.
  • FIG. 7 is a flowchart of a method for establishing a tunnel between a P-GW and an MTC Server in the embodiment.
  • the method is an optional step, and does not affect the execution of other embodiments, and specifically includes the following steps: Step 701, in the figure After step 507, the P-GW initiates the establishment of the IPSec tunnel with the MTC Server, and includes the group identification information of the group to which the MTC device 1 belongs in the tunnel establishment request. In step 702, the MTC Server replies to the P-GW, and the tunnel is successfully established.
  • FIG. 8 is a schematic structural diagram of a network connection establishing apparatus according to an embodiment of the present invention.
  • a network connection establishing apparatus mainly includes: a receiving module 1, a determining module 3, a bearer establishing module 5, and a record. Module 7 and binding module 9.
  • the receiving module 1 is configured to receive an access request initiated by the user equipment, where the access request carries a group identifier indicating a group to which the user equipment belongs; the determining module 3 is connected to the receiving module 1 and is configured to be a user. If the device is configured to be configured between the first network element and the second network element, it is determined whether there is a group bearer corresponding to the group identifier between the first network element and the second network element.
  • the bearer establishing module 5 is connected to the determining module 3.
  • the embodiment of the present invention further provides a PCC policy formulation method for formulating a PCC policy based on a group bearer.
  • Step S901 The P-GW receives the After the group requesting the group to which the first user equipment belongs, the group-bearing indication is sent to the policy and charging rule function (PCRF), where the group-initiated indication carries the group identifier of the first user equipment.
  • PCRF policy and charging rule function
  • Step S903 The PCRF receives the setup group bearer indication, and obtains the group subscription information corresponding to the group identifier by using a user subscription database (SPR).
  • SPR user subscription database
  • Step S905 The PCRF formulates the group identifier according to the group subscription information and the local configuration information. Corresponding group PCC policy. Further, when another user equipment (second user equipment) of the group to which the first user equipment belongs requests to access the network, the P-GW, when modifying the group bearer of the group, requests the PCRF to modify the PCC policy, therefore,
  • the method can also include the following steps: Step 1: The second user equipment accesses the network, and the P-GW receives the modified session request from the S-GW, where the second user equipment belongs to the same group as the first user equipment; Step 2, the PCRF receives the P- a modified group bearer indication sent by the GW, where the modified group bearer indication carries the foregoing group identifier and an identifier indicating that the user equipment is added; Step 3, the PCRF adds the user equipment according to the group subscription information, the local configuration information, and the indication obtained from the SPR.
  • Embodiment 4 This embodiment is described by taking the establishment of the PCRF participation group as an example. As shown in FIG. 10, when the group is established, the PCC policy is mainly composed of the following steps (the following description is one of the steps 506 in FIG. 5 above). Specific embodiment;): Step 1001, the UE initiates establishment of a group bearer, and the process is as shown in steps 501-505 of FIG. 5; Step 1002, the PCEF (ie, the P-GW in FIG. 5) sends a setup group indication to the PCRF.
  • the set-up bearer carries the group identification information.
  • Step 1003 The PCRF requests the SPR1 to obtain the group subscription information corresponding to the group identifier information, where the request carries the group identifier information.
  • Step 1004 the PCRF is based on The acquired group subscription information, local configuration information, and the like formulate a PCC policy for the group.
  • Step 1005 The PCRF sends an acknowledgement group to the PCEF, where the PCC policy is defined for the group.
  • Step 1006 the PCEF and the UE complete the group bearer.
  • the specific steps are as shown in step 507-step 515 of FIG. Fifth Embodiment In this embodiment, the PCRC participates in the tampering of the group 7 and the PCC strategy of the tampering group is described.
  • FIG. 11 is a flowchart of a PCC policy of a group in which the PCRF participates in the group tampering and tampering in the present embodiment.
  • the PCC policy of the modified group mainly includes the following steps (ie, FIG. 6).
  • a specific implementation of the step 606 is as follows: Step 4: 1101, a new UE accesses the network, and the UE in the fourth embodiment belongs to a group, because the network has established a group bearer of the group to which the UE belongs. Therefore, the network modifies the corresponding group bearer to aggregate the uplink and downlink data of the newly added UE.
  • the specific steps are as shown in 601-605 of FIG.
  • Step 1102 the PCEF (ie, the P-GW in FIG. 6) sends a ⁇ ⁇ ⁇ grouping indication to the PCRF, where the group identification information is carried, and the UE indication is newly added; Step 1103;
  • the PCRF generates a new PCC policy according to the group subscription information, the local configuration information, and the newly added UE indication obtained from the SPR in the fourth embodiment.
  • the PCRF sends an acknowledgement group bearer modification indication to the PCEF, where The new PCC policy developed by the group; Step 1105, the PCEF completes the modification of the group bearer, and the specific steps are as shown in 607-615 of FIG. 6.
  • FIG. 12 is a schematic structural diagram of a PCC policy making system according to an embodiment of the present invention.
  • the PCC policy making system according to the embodiment of the present invention mainly includes: P-GW 2, SPR 4, and PCRF 6.
  • the P-GW 2 is configured to send a setup group 7 indication to the PCRF 6 after receiving the session request for establishing the group bearer for the group to which the first user equipment belongs, where the setup group 7 carries the first indication
  • the group identifies the corresponding group subscription information, and according to the group subscription information and the local configuration information, formulates a PCC policy of the group corresponding to the group identifier.
  • the P-GW 2 is further configured to receive a modify session request from the S-GW, and send a modified group bearer indication to the PCRF 6.
  • the S-GW sends the modified session request when the second user equipment accesses the network, and the modified group bearer indication carries the group identifier (that is, the group identifier of the group to which the first user equipment and the second user equipment belong) And indicating an identifier for adding the user equipment;
  • the PCRF 6 is further configured to add the user equipment according to the foregoing group subscription information, local configuration information, and indication obtained from the SPR 4. Identify, develop a new PCC policy for the group corresponding to the group ID.
  • the user equipments are grouped, each group includes multiple user equipments, and the user equipments belonging to the same group can share one network side user plane eNodeB "-" S-GW - " PGW “-” MTC SERVER, which can reduce the occupied network resources, and can improve the utilization of network resources and reduce the waste of network resources.

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Abstract

La présente invention porte sur un procédé et sur un appareil d'établissement de connexion au réseau, et sur un procédé et sur un système d'élaboration de stratégie de commande de politique et de facturation (PCC). Le procédé d'établissement de connexion au réseau comprend les opérations suivantes : un côté réseau reçoit une requête d'accès envoyée par un équipement utilisateur, la requête d'accès contenant un identifiant de groupe indiquant le groupe auquel appartient l'équipement utilisateur; lorsqu'il est nécessaire d'établir un support entre un premier élément de réseau et un second élément de réseau pour l'équipement utilisateur, le côté réseau détermine s'il existe actuellement ou non un support de groupe correspondant à l'identifiant de groupe entre le premier élément de réseau et le second élément de réseau, et si c'est le cas, le côté réseau lie les données de l'équipement utilisateur au support de groupe, sinon, le côté réseau établit un support de groupe entre le premier élément de réseau et le second élément de réseau pour le groupe auquel appartient l'équipement utilisateur, et enregistre le support de groupe en tant que support de groupe correspondant à l'identifiant de groupe entre le premier élément de réseau et le second élément de réseau. Selon la présente invention, l'occupation des ressources réseau peut être réduite, et le taux d'utilisation des ressources réseau peut être amélioré.
PCT/CN2010/077185 2009-10-19 2010-09-21 Procédé et appareil d'établissement de connexion au réseau, procédé et système d'élaboration de stratégie de commande de politique et de facturation (pcc) Ceased WO2011047589A1 (fr)

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