CN102045867A

CN102045867A - Network connection establishment method and device and policy control and charging (PCC) strategy formulation method and system

Info

Publication number: CN102045867A
Application number: CN2009101798836A
Authority: CN
Inventors: 朱春晖; 宗在峰
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2009-10-19
Filing date: 2009-10-19
Publication date: 2011-05-04
Anticipated expiration: 2029-10-19
Also published as: CN102045867B; WO2011047589A1

Abstract

The invention discloses a network connection establishment method and device and a policy control and charging (PCC) strategy formulation method and system. The network connection establishment method comprises the following steps: the network side receives an access request launched by user equipment, wherein the access request contains a group identification of the group corresponding to the user equipment; when a load-bearing is required to be established between a first network element and a second network element, whether a group load-bearing corresponding to the group identification exists between the first network element and the second network element is judged; if so, the data of the user equipment are bound with the group load-bearing; and if not, a group load-bearing is established between the first network element and the second network element for the group corresponding to the user equipment, and the group load-bearing is recorded as the group load-bearing corresponding to the group identification between the first network element and the second network element. By adopting the network connection establishment method, the occupied network resources can be reduced and the utilization rate of network resources can be increased.

Description

Internetwork connection establishing method and device, PCC policy development method and system

Technical field

The present invention relates to the mobile communication technology field, relate in particular to a kind of internetwork connection establishing method and device, strategy and control (Policy and Charging Control abbreviates PCC as) the policy development method and system of chargeing.

Background technology

The 3GPP wireless core network comprises GPRS (General Packet RadioService, abbreviate GPRS as) network, system's Long Term Evolution (System ArchitectureEvolution, abbreviate SAE as) network, universal mobile telecommunications system (Universal MobileTelecommunications System abbreviates UMTS as).Wherein SAE also can be called the grouping system (Evolved Packet System abbreviates EPS as) of evolution.

Fig. 1 shows subscriber equipment (User Equipment, abbreviate UE as) insert the schematic diagram of the urgent call of IP Multimedia System (IP Multimedia Subsystem abbreviates IMS as) by SAE and UMTS, in Fig. 1, solid line is represented signaling, and dotted line is represented user's IP tunnel.When inserting by UMTS, UE can be described as travelling carriage (MobileStation abbreviates MS as) again.

As shown in Figure 1, UE inserts Machine Type communication (MachineType Communication by SAE or UMTS, abbreviating MTC as) the related main network element of server (MTC Server) comprises: the network element of the network element of SAE network portion, UMTS network portion and MTC Server, in this case, UE also can be described as MTC equipment.

Wherein, the network element of SAE network portion is mainly used in provides bearer management and mobile management.The network element of SAE network portion comprises: the wireless base station of enhancing (eNodeB), Mobility Management Entity (Mobility Management Entity abbreviates MME as) and user face data route processing net element (SAE GW); SAE GW comprises packet data network gateway (Packet Data Network Gateway abbreviates P-GW as) and gateway (ServingGW abbreviates S-GW as); MME is in charge of and stores the context (for example, UE sign/user ID, mobility management states, user security parameters etc.) of UE, for the user distributes temporary mark, when UE quarters at tracing area or network, is responsible for UE is carried out authentication.ENodeB inserts and is called Long Term Evolution (Long Term Evolution abbreviates LTE as) access again."Policy and Charging Rules Function (Policy and Charging RulesFunction, abbreviate PCRF as) be the strategy and control (the Policy and ChargingControl that charges, abbreviate PCC as) essential functional entities of framework, tactful and charging regulation obtains, assembles and issue etc. in order to control Internet Protocol-connections Access Network (IP-Connectivity Access Network abbreviates IP-CAN as).In concrete the application, IP-CAN can be the equipment in EPS or the UMTS network and the set of interface.

P-GW is the intrasystem mobile anchor point of SAE, is the borde gateway of SAE and packet data network (Packet Data Network abbreviates PDN as), is responsible for the access of PDN, transmits function such as data between SAE and PDN.

The UMTS network is mainly by 3GPP Radio Access Network (GSM EDGE RadioAccess Network/UMTS Terrestrial Radio Access Network, GERAN/UTRAN, be referred to as RAN), Serving GPRS Support Node (ServingGPRS Support Node, abbreviate SGSN as), Gateway GPRS Support Node (GatewayGPRS Support Node abbreviates GGSN as) constitutes.

Fig. 2 is MTC equipment (MTC Device in the prior art, be terminal) insert the signalling diagram of MTC server, in actual use, the One's name is legion of MTC equipment, though the data volume of these terminals is very low, only may can produce some bursty datas once in a while, but it is online for a long time that these terminals still need, therefore, and in the prior art, need set up a carrying separately for each MTC equipment, thereby will take a large amount of Internet resources, and each carrying data quantity transmitted is less, therefore, utilization rate of network resource is lower, thereby causes waste of network resources.

Summary of the invention

In view of this, the invention provides a kind of improved network and connect the scheme of setting up, carry and cause utilization rate of network resource lower in order to solve in the prior art, and then cause the problem of waste of network resources owing to set up one separately for each MTC equipment.

According to an aspect of the present invention, provide a kind of internetwork connection establishing method.

Internetwork connection establishing method according to the present invention comprises: the access request that network side to receive user equipment is initiated wherein, carries the group id of organizing under the indication subscriber equipment in this access request; Need set up under the situation of carrying between first network element and second network element for subscriber equipment, judge currently between first network element and second network element whether have a group carrying corresponding with this group id, if, then with the data of above-mentioned subscriber equipment and this group bearing binding; Otherwise, be to set up under this subscriber equipment the group carrying between upright first network element and second network element, and will organize to carry and be recorded as carrying between first network element and second network element with the corresponding group of above-mentioned group id.

According to another aspect of the present invention, provide a kind of network to connect apparatus for establishing.

Connecting apparatus for establishing according to network of the present invention comprises: module, logging modle and binding module are set up in receiver module, judge module, carrying.Wherein, receiver module is used to receive the access request that subscriber equipment is initiated, and wherein, inserts the group id that carries the affiliated group of indication subscriber equipment in the request; Judge module is used for and need setting up for subscriber equipment under the situation of carrying between first network element and second network element, judges currently between first network element and second network element whether to have a group carrying corresponding with group id; Module is set up in carrying, and the judged result that is used at judge module is under the situation not, is the group carrying of setting up under the subscriber equipment between upright first network element and second network element; Logging modle is used for that group carrying that module sets up is set up in carrying and is recorded as carrying with the corresponding group of group id between first network element and second network element; Binding module, the judged result that is used at judge module is under the situation that is, with the data and the group bearing binding of subscriber equipment.

According to a further aspect of the invention, provide a kind of PCC policy development method, this method is used to formulate the PCC strategy based on the group carrying.

PCC policy development method according to the present invention comprises: P-GW receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation group carrying indication to "Policy and Charging Rules Function PCRF, wherein, carry the group id of first subscriber equipment in the foundation group carrying indication; PCRF receives foundation group carrying indication, obtains the group CAMEL-Subscription-Information corresponding with group id by user-subscribed database SPR; PCRF formulates the PCC strategy of the group corresponding with group id according to group CAMEL-Subscription-Information and local configuration information.

According to a further aspect of the invention, provide a kind of PCC policy development system.

Comprise according to PCC policy development of the present invention system: P-GW, SPR and PCRF, wherein, P-GW, be used for receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation group carrying indication to PCRF, wherein, carry the group id of first subscriber equipment in the foundation group carrying indication; SPR is used for the group id of each group in the storage networking and the corresponding relation of its group CAMEL-Subscription-Information; PCRF is used to receive foundation group carrying indication, obtains with the foundation group by SPR and carries the corresponding group CAMEL-Subscription-Information of group id that carries in the indication, and according to this group CAMEL-Subscription-Information and local configuration information, formulate the PCC strategy of the group corresponding with group id.

By above-mentioned at least one scheme of the present invention, set up a group carrying between two network elements that carry by subscriber equipment being divided into groups, setting up, make same group subscriber equipment share this group carrying at needs, thereby reduced the taking of Internet resources, improved utilization rate of network resource.

Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.

Description of drawings

Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the schematic diagram that UE inserts the urgent call of IMS in the correlation technique by SAE and UMTS;

Fig. 2 is the signalling diagram that MTC equipment inserts the MTC server in the prior art;

Fig. 3 is the flow chart according to the internetwork connection establishing method of the embodiment of the invention;

Fig. 4 A is the signalling diagram that inserts the MTC server according to a kind of MTC equipment of the embodiment of the invention;

Fig. 4 B is the signalling diagram that inserts the MTC server according to the another kind of MTC equipment of the embodiment of the invention;

Fig. 4 C is the signalling diagram that inserts the MTC server according to another MTC equipment of the embodiment of the invention;

Fig. 5 is the flow chart of embodiment one;

Fig. 6 is the flow chart of embodiment two;

Fig. 7 is the flow chart of embodiment three;

Fig. 8 is the structural representation that connects apparatus for establishing according to the network of the embodiment of the invention;

Fig. 9 is the flow chart according to the PCC policy development method of the embodiment of the invention;

Figure 10 is the flow chart of embodiment four;

Figure 11 is the flow chart of embodiment five;

Figure 12 is the structural representation according to the PCC policy development system of the embodiment of the invention.

Embodiment

Functional overview

In the prior art, because each MTC equipment all need be set up a carrying separately, under the numerous situation of MTC number of devices, will take a large amount of Internet resources, at this problem, the embodiment of the invention provides a kind of improved network establishment of connection method.In embodiments of the present invention, MTC equipment is divided into groups, under same base station, belong to same group the shared S1-U tunnel of MTC equipment, under same SGW-PGW, belong to same group the shared S5/S8 tunnel of MTC equipment, under same PGW, belong to same group the shared ipsec tunnel of MTC equipment.

Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.

In the following description, for the purpose of explaining, a plurality of specific details have been described, to provide to thorough of the present invention.Yet, obviously, do not having under the situation of these specific detail, also can realize the present invention, in addition, under the situation of not conflicting, promptly under the situation that does not deviate from the spirit and scope that claims illustrate, each details among following embodiment and the embodiment can be carried out various combinations.

According to the embodiment of the invention, at first provide a kind of internetwork connection establishing method.

Fig. 3 is the flow chart according to the internetwork connection establishing method of the embodiment of the invention, as shown in Figure 3, mainly may further comprise the steps (step S101-step S107) according to the internetwork connection establishing method of the embodiment of the invention:

Step S101: the access request that network side to receive user equipment is initiated wherein, carries the group id of organizing under this subscriber equipment of indication in this access request;

In specific implementation process, subscriber equipment need to initiate inserts request when the needs access network, particularly, this accesss request can be subscriber equipment when initial the access, initiate adhere to request, also can be the handoff request of initiation when switching.

Wherein, subscriber equipment is organized under can indicating this subscriber equipment by the identify label (as IMSI) of carrying this subscriber equipment, and network side can therefrom be analyzed the group id that obtains the affiliated group of this subscriber equipment after the identify label that receives this subscriber equipment; Perhaps, subscriber equipment also can identify the group id of organizing under this subscriber equipment by carry APN (Access Point Name abbreviates APN as) in inserting request; In addition, also can be in advance for subscriber equipment is divided into groups, and be every group and set a unique sign that subscriber equipment also can be indicated the group id of organizing under it by the sign of setting for group under it in advance.

Step S103: need set up for this subscriber equipment under the situation of carrying between first network element and second network element, judge currently between first network element and second network element whether have a group carrying corresponding with the group id of this subscriber equipment, if, execution in step S105 then, otherwise, execution in step S107;

In specific implementation process, for network side, as shown in Figure 2, when UE inserts, need between base station (eNodeB) and the S-GW to set up carrying (S1-U tunnel), need to set up carrying (S5/S8 tunnel) between S-GW and the P-GW, and, insert the MTC server for MTC equipment, also need to set up ipsec tunnel between P-GW and the MTC server.

Step S105: with the data and the corresponding group bearing binding of current already present and above-mentioned group id of this subscriber equipment;

Between first network element and second network element, exist with this subscriber equipment under the corresponding group carrying of group id the time, with data and this group bearing binding of this subscriber equipment, organize the up-downgoing data of this subscriber equipment of tunnel transmission that carries by this.

Particularly, for the subscriber equipment under the same base station, bearing binding mechanism is: a plurality of air interface carryings are mapped to a S1-U tunnel, and at down direction, eNodeB can distinguish different descending radio bearers by the target ip address in packet packet header.

For same group the subscriber equipment of belonging under same SGW-PGW, the bearing binding mechanism of S-GW is: at up direction, use group id, same group the group carrying of belonging on the different S1-U interface is converged, the carrying of carrying out between SGW and the PGW is set up and binding; At down direction,,, packet is issued tunnel on the S1-U according to the downlink data packet target ip address with the tunnel binding on user device IP address and the S1-U.

Step S107: be to set up under this subscriber equipment the group carrying between upright first network element and second network element, and will organize to carry and be recorded as carrying between first network element and second network element with the corresponding group of above-mentioned group id.

Be that base station, second network element are that the S-GW and first network element are that S-GW, second network element are that P-GW is an example with first network element respectively below, carrying is set up and is described to group.

First network element is that base station, second network element are S-GW

Particularly, in this case, the foundation of group carrying can may further comprise the steps:

Step 1, subscriber equipment are initiated to insert request when the needs access network, and the access request that the base station will receive is transmitted to MME; Carry subscriber equipment identify label (as IMSI) in this access request, and, this subscriber equipment also needs to provide to MME the information of its group that belongs to, particularly, MME can obtain the information organized under this subscriber equipment by the IMSI that analyzes this subscriber equipment, perhaps, subscriber equipment carries group id in the access request of initiating, and this group id can be that APN also can be predefined group id (Group ID);

Step 2, MME initiates to set up conversation request to the S-GW that selects, and wherein, this is set up and carries above-mentioned group id in the conversation request, and request S-GW is set up upright group carrying under this subscriber equipment;

Step 3, S-GW receives the above-mentioned conversation request of setting up, and is being to set up upright group carrying under this subscriber equipment between base station and this S-GW, and assign group bearing tunnel sign.

In specific implementation process, S-GW will continue to send to P-GW and set up conversation request after setting up above-mentioned group of carrying, set up carrying between S-GW and the P-GW to ask P-GW.And S-GW can set up at this and carry above-mentioned group id in conversation request, sets up the group carrying corresponding with this group id between S-GW and the P-GW with request P-GW, and detailed process is referring to subsequent descriptions; P-GW is after the carrying of setting up between S-GW and the P-GW, to return to S-GW and set up the session answer, this is set up and carries the IP address of P-GW for this user equipment allocation in the session answer, and, if P-GW has set up the group carrying between S-GW and the P-GW, this is set up and also carries the group bearing tunnel sign of P-GW for set of dispense under this subscriber equipment in the session answer; S-GW receives above-mentioned foundation after session replys, setting up session to the MME transmission replys, this is set up and carries the IP address of P-GW for this user equipment allocation in the session answer, MME sets up after session replys receiving this, send message to the base station, carry the group bearing tunnel sign of S-GW in this message for set of dispense under this subscriber equipment.

First network element is that S-GW, second network element are P-GW

In this case, the group that can set up by the following method between first network element and second network element is carried:

Step 1, S-GW initiates to set up conversation request to P-GW, wherein after the access request that receives the subscriber equipment initiation, this sets up the group id that carries group under the subscriber equipment in the conversation request, and request P-GW sets up the group carrying corresponding with this group id between S-GW and the P-GW;

In specific implementation process, S-GW can be that setting up of sending after MME receives the access request of being transmitted by the base station sends above-mentioned session to P-GW after the conversation request and set up request.

Step 2, P-GW receives the above-mentioned conversation request of setting up, and is being to set up upright group carrying, assign group bearing tunnel sign under the subscriber equipment between S-GW and the P-GW.

And, be set up upright group carrying under the subscriber equipment after, P-GW sends to S-GW and sets up session and reply, wherein, this sets up the group bearing tunnel sign that set of dispense under promising this subscriber equipment is carried in session in replying.

And, if subscriber equipment is a MTC equipment, and this MTC device request inserts the MTC server, then be set up upright group carrying under the subscriber equipment after, P-GW can also initiate the tunnel to the MTC server and set up request, the tunnel between P-GW and the MTC server is set up in request, and wherein, this tunnel is set up in the request and carried group id; The MTC server receives this tunnel and sets up request, sets up the tunnel between P-GW and the MTC server, and returns the Tunnel Identifier in described tunnel to P-GW; P-GW preserves the mapping relations of this Tunnel Identifier and above-mentioned group id.In subsequent process, when need be on the subscriber equipment in transmission between P-GW and the MTC server and the corresponding group of this group id during the style of writing data, P-GW or the MTC server selection Tunnel Identifier pairing tunnel corresponding with this group id carry out the transmission of up-downgoing data.

By above-mentioned steps, under a P-GW, belong to same group the shared Group BEARER:P-GW of MTC equipment "-" M2M SERVER.Being initiated to set up a tunnel by PGW, can be ipsec tunnel, and at up direction, all convergences that belong to same group MTC equipment enter this tunnel, send to MTCServer by P-GW; At down direction,,, packet is issued tunnel on the S5 according to the downlink data packet target ip address with the IP address of MTC equipment and the tunnel binding on the S5.

The method for connecting network that adopts the embodiment of the invention to provide, for same group of subscriber equipment under same base station, shown in Fig. 4 A, this shared S1-U tunnel of group subscriber equipment, S5/S8 tunnel and ipsec tunnel; For different base station but same group of subscriber equipment under the same S-GW, shown in Fig. 4 B, this group shared S5/S8 tunnel of subscriber equipment and ipsec tunnel; For different base station, different S-GW but same group of subscriber equipment under the same P-GW, shown in Fig. 4 C, the shared ipsec tunnel of this group subscriber equipment.

For further understanding the technique scheme that the embodiment of the invention provides, inserting the MTC server with MTC equipment below is example, and the technical scheme that the embodiment of the invention is provided describes.

Embodiment one

Present embodiment is an example with MTC equipment 1 initial the access, and the group carrying establishing method is described, and in the present embodiment, MTC equipment 1 is the subscriber equipment that request of first in group inserts under it.

Fig. 5 is the flow chart of present embodiment, and as shown in Figure 5, in the present embodiment, the group carrying is set up and mainly be may further comprise the steps during MTC equipment 1 initial the access:

Step 501, MTC Device1 initiates to adhere to request by base station (eNodeB) to MME;

Wherein, this adheres to the identify label (as IMSI) that carries this subscriber equipment in the request, MME can analyze by IMSI and obtains the group id organized under this subscriber equipment, perhaps in adhering to request, MTC Device1 carries the group id of organizing under it, this group id can be APN, also can be predefined Group ID.

Step 502, MME sends position updating request to HSS, wherein, carry User Identity IMSI in this position updating request, if the above-mentioned group id that adheres to user attaching group in the request also needs this group id, so that HSS obtains the group that this user belongs to;

Step 503, HSS sends the position renewal to MME and replys, and wherein, carries the CAMEL-Subscription-Information of MTC equipment 1 during this position is upgraded and replied, and the group CAMEL-Subscription-Information of organizing under the MTC equipment 1;

Step 504, MME initiates to set up conversation request to the S-GW that selects, and this request indication S-GW sets up a group carrying for this MTC equipment;

S-GW receives after this sets up conversation request, is component combo bearing tunnel sign 1 under the MTC equipment 1.

Step 505, S-GW initiates to set up conversation request to P-GW, and this request indication P-GW is that MTC equipment 1 is set up a group carrying, and also asking P-GW is MTC equipment 1 distributing IP address, and also carrying S-GW in this request is the group bearing tunnel sign 1 of set of dispense under the MTC equipment 1;

Step 506, P-GW sets up flow process as strategy and charge execution function (Policy and ChargingEnforcement Function abbreviates PCEF as) to the carrying of PCRF initiation group, specifically referring to subsequent descriptions.

When network was not disposed PCRF, P-GW was according to the PCC strategy of the information decision group carrying of self disposing;

Step 507, P-GW sends to S-GW and sets up session and reply, and wherein, this sets up session, and to carry P-GW in replying be MTC equipment 1 IP address allocated and be the group bearing tunnel sign 2 of set of dispense under the MTC equipment 1;

Step 508, S-GW sends to MME and sets up the session answer, and wherein, this is set up and carries P-GW in the session answer is MTC equipment 1 IP address allocated;

Step 509, MME sends initial context to eNodeB and sets up request, and wherein, this initial context is set up to carry to send in the request and adhering to of MTC equipment 1 is accepted message;

Set up in the request at above-mentioned initial context, carrying P-GW is MTC equipment 1 IP address allocated, and S-GW is the group bearing tunnel sign 1 that S1-U interface distributes;

Step 510, eNodeB and MTC equipment 1 reconfigure Radio Resource;

Step 511, eNoodeB sends initial context to MME and sets up answer, and wherein, this initial context is set up and is replied the group bearing tunnel sign 1 that can include set of dispense under S1-U interface is MTC equipment 1;

Step 512, MTC Device sends direct message transfer to eNodeB;

Step 513, eNodeB sends to adhere to MME and finishes message, and when not comprising the group bearing tunnel sign of eNodeB set of dispense under S1-U interface is this MTC equipment 1 in the step 511, this sign sends in this step;

Step 514, MME sends the request of carrying of revising to S-GW, wherein, comprises eNodeB in this modification carrying request in the group bearing tunnel sign 1 of S1-U interface for this MTC equipment 1 affiliated set of dispense;

Step 515, S-GW sends to MME and revises the carrying answer, finishes the foundation of user's face group carrying.

Embodiment two

After this embodiment finished with the foregoing description one, same group initial access of MTC equipment 2 of belonging to that is positioned under the same eNodeB with MTC equipment 1 was example, and group bearing modification method is described.

Fig. 6 is flow chart when MTC equipment 2 is initiated initial the access in the present embodiment, and as shown in Figure 6, the initial access of MTC equipment 2 initiations in the present embodiment mainly may further comprise the steps:

Step 601-603 is identical with step 501-503;

Step 604, MME is according to MTC equipment 2 ownership group information, judge that this equipment and MTC equipment 1 belong to same group, therefore, decision is converged group carrying into the MTC equipment 1 ownership group of having set up with user's face of this MTC equipment 2, and MME initiates to revise conversation request to S-GW, wherein, carry group id in this modification conversation request, the group carrying corresponding with this group id revised in request;

After S-GW receives above-mentioned modification conversation request, with the group bearing binding corresponding between the data of MTC equipment 2 and base station and the S-GW with this group id.

Step 605, receive above-mentioned modification group carrying request after, S-GW initiates to revise conversation request to P-GW, wherein, carries group id in this modification group carrying request, the carrying of request modification group;

After P-GW receives above-mentioned modification group carrying request, with MTC equipment 2 add between S-GW and the P-GW with the corresponding group carrying of this group id in, data and this of MTC equipment 2 are organized bearing binding.

Step 606, P-GW sends group id to PCRF, and this group of notice PCRF has new MTC Device to insert the PCC strategy that please look for novelty;

Step 607, P-GW sends to S-GW and revises the session answer;

Step 608, S-GW sends to P-GW and revises the session answer;

Step 609-615 is identical with step 509-515.

Embodiment three

Present embodiment describes the flow process of setting up the tunnel between P-GW and the MTC server.

Fig. 7 is for setting up the flow chart of the method in tunnel between P-GW and MTC Server in the present embodiment, this method is optional step, does not influence the execution of other embodiment, specifically may further comprise the steps:

Step 701, after the step 507 of Fig. 5, P-GW initiates the ipsec tunnel of foundation and MTC Server, and comprises the group identity information of organizing under the MTC equipment 1 in setting up tunneled requests;

Step 702, MTC Server replys P-GW, sets up the tunnel success;

P-GW receives the mapping relations of preserving this tunnel and group carrying after this message on P-GW, and all user's up-downgoing data that belong to this group are all passed through this tunnel and transmitted at P-GW and MTC Server.

According to the embodiment of the invention, also provide network to connect apparatus for establishing, this device can be used to implement above-mentioned internetwork connection establishing method.

Fig. 8 is the structural representation that connects apparatus for establishing according to the network of the embodiment of the invention, as shown in Figure 8, the network connection apparatus for establishing according to the embodiment of the invention mainly comprises: module 5, logging modle 7 and binding module 9 are set up in receiver module 1, judge module 3, carrying.Wherein, receiver module 1 is used to receive the access request that subscriber equipment is initiated, and wherein, carries the group id of organizing under the indication subscriber equipment in this access request; Judge module 3 is connected with receiver module 1, is used for setting up for subscriber equipment under the situation of carrying between first network element and second network element, judges currently between first network element and second network element whether to have a group carrying corresponding with group id; Carrying is set up module 5 and is connected with judge module 3, and the judged result that is used at judge module 3 is under the situation not, is the group carrying of organizing under the subscriber equipment between first network element and second network element; Logging modle 7 is set up module 5 with carrying and is connected, and is used for that group carrying that module 5 sets up is set up in carrying and is recorded as carrying with the corresponding group of group id between first network element and second network element; Binding module 9 is connected with judge module 3, and the judged result that is used at judge module 3 is under the situation that is, with the data and the group bearing binding of subscriber equipment.

Corresponding to above-mentioned internetwork connection establishing method, the embodiment of the invention also provides a kind of PCC policy development method, is used to formulate the PCC strategy based on the group carrying.

Fig. 9 is the flow chart according to the PCC policy development method of the embodiment of the invention, as shown in Figure 9, mainly may further comprise the steps according to the PCC policy development method of the embodiment of the invention:

Step S901:P-GW receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation group carrying indication to "Policy and Charging Rules Function PCRF, wherein, carry the group id of first subscriber equipment in this foundation group carrying indication;

Step S903:PCRF receives above-mentioned foundation group carrying indication, obtains the group CAMEL-Subscription-Information corresponding with above-mentioned group id by user-subscribed database (SPR);

Step S905:PCRF formulates the PCC strategy of the group corresponding with above-mentioned group id according to information such as above-mentioned group of CAMEL-Subscription-Information and local configuration informations.

Further, another subscriber equipment of under first subscriber equipment, organizing (second subscriber equipment) request access network, P-GW will ask PCRF to revise the PCC strategy under the situation of the group carrying of revising this group, and therefore, this method can also may further comprise the steps:

Step 1, the second subscriber equipment access network, P-GW receive the modification conversation request from S-GW, and wherein, second subscriber equipment and described first subscriber equipment belong to same group;

Step 2, PCRF receives the modification group carrying indication that P-GW sends, and wherein, carries the sign that above-mentioned group id and indication increase subscriber equipment in this modification group carrying indication;

Step 3, PCRF formulates the new PCC strategy of the group corresponding with above-mentioned group id according to the information such as sign of the group CAMEL-Subscription-Information that obtains from SPR, local configuration information and indication increase subscriber equipment.

Below by specific embodiment above-mentioned PCC policy development method is described.

Embodiment four

Present embodiment describes with the example that is established as of PCRF participation group carrying, as shown in figure 10, when the group carrying is set up, formulates the PCC strategy and mainly may further comprise the steps (the following specific descriptions that are described as step 506 among Fig. 5):

Step 1001, UE initiates the carrying of foundation group, and this flow process is shown in the step 501-505 of Fig. 5;

Step 1002, PCEF (being the P-GW among Fig. 5) sends foundation group carrying indication to PCRF, wherein, carries group identity information in this foundation group carrying indication;

Step 1003, PCRF wherein, carries group identity information in this request to the SPR1 acquisition request group CAMEL-Subscription-Information corresponding with this group identity information;

Step 1004, PCRF is according to the PCC strategy of formulations such as the group CAMEL-Subscription-Information that obtains, local configuration information at this group;

Step 1005, PCRF sends the carrying of affirmation group and sets up to PCEF, wherein is included as the PCC strategy that this group is formulated;

Step 1006, PCEF and UE finish the foundation of group carrying, the step 507-step 515 of concrete steps such as Fig. 5.

The 5th embodiment

Present embodiment is to the modification of PCRF participation group carrying, and the PCC strategy of revising the group of formulating is described.

Figure 11 is a PCRF participation group bearing modification in the present embodiment, revises the flow chart of the PCC strategy of the group of formulating, and as shown in figure 11, the PCC strategy of revising the group of formulating mainly may further comprise the steps (specific descriptions that are the step 606 among Fig. 6):

Step 1101, new UE access network, this UE belongs to a group with the UE among the embodiment four, because network has been set up the group carrying of the group under this UE, so network amendment organizes carrying accordingly, converging the up-downgoing data of the UE that increases newly.The 601-605 of concrete steps such as Fig. 6;

Step 1102, PCEF (being the P-GW among Fig. 6) sends modification group carrying indication to PCRF, wherein carries group identity information, and increases the UE indication newly;

Step 1103, PCRF is according to the group CAMEL-Subscription-Information that obtains and preserve from SPR among the embodiment four, local configuration information, and increases information such as UE indication newly, formulates new PCC strategy;

Step 1104, PCRF sends the indication of affirmation group bearing modification to PCEF, wherein carries the new PCC strategy of formulating into this group;

Step 1105, PCEF finishes the modification to the group carrying, the 607-615 of concrete steps such as Fig. 6.

Corresponding to above-mentioned PCC policy development method, the embodiment of the invention also provides a kind of PCC policy development system.

Figure 12 is the structural representation according to the PCC policy development system of the embodiment of the invention, and the PCC policy development system according to the embodiment of the invention mainly comprises as shown in figure 12: P-GW 2, SPR 4 and PCRF 6.Wherein, P-GW 2, be used for receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation groups carrying indication to PCRF 6, wherein, carry the group id of first subscriber equipment in this foundation group carrying indication; SPR 4, are used for the group id of each group in the storage networking and the corresponding relation of its group CAMEL-Subscription-Information; PCRF 6, be used to receive above-mentioned foundation group carrying indication, by SPR 4 obtain with above-mentioned foundation group carrying indication in the corresponding group CAMEL-Subscription-Information of group id that carries, and, formulate the PCC strategy of the group corresponding with this group id according to this group CAMEL-Subscription-Information and local configuration information.

Further, when belonging to same group the second subscriber equipment access network with above-mentioned first subscriber equipment, P-GW 2 also is used to receive the modification conversation request from S-GW, and to PCRF 6 transmission modification group carrying indications, wherein, S-GW sends above-mentioned modification conversation request when the second subscriber equipment access network, carry the sign that above-mentioned group id (i.e. the group id of group under first subscriber equipment and second subscriber equipment) and indication increase subscriber equipment in the above-mentioned modification group carrying indication; PCRF 6 also is used for increasing according to the above-mentioned group of CAMEL-Subscription-Information that obtains from SPR 4, local configuration information and indication the sign of subscriber equipment, formulates the new PCC strategy of the group corresponding with this group id.

As mentioned above, the technical scheme that provides by the embodiment of the invention, subscriber equipment is divided into groups, every group comprises a plurality of subscriber equipmenies, the subscriber equipment that belongs to one group can be shared a network side user eNodeB "-" S-GW "-" PGW "-" MTC SERVER, thereby can reduce the Internet resources that take, and can improve utilization rate of network resource, reduce waste of network resources.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. an internetwork connection establishing method is characterized in that, comprising:

The access request that network side to receive user equipment is initiated wherein, carries the group id of organizing under the described subscriber equipment of indication in the described access request;

Need set up for described subscriber equipment under the situation of carrying between first network element and second network element, judge currently between described first network element and described second network element whether have a group carrying corresponding with described group id, if, then with data and described group of bearing binding of described subscriber equipment; Otherwise,

Be to set up under the described subscriber equipment group carrying between upright described first network element and described second network element, and will organize to carry and be recorded as carrying between described first network element and described second network element with the corresponding group of described group id.

2. method according to claim 1 is characterized in that, described first network element is the base station, and described second network element is gateway S-GW.

3. method according to claim 2 is characterized in that, for the group carrying of setting up under the described subscriber equipment between upright described first network element and described second network element comprises:

The described access request that the described subscriber equipment that described base station will receive is initiated is transmitted to Mobility Management Entity MME;

Described MME initiates to set up conversation request to the described S-GW that selects, and wherein, described foundation carries described group id in the conversation request, asks described S-GW to set up upright described group of carrying under the described subscriber equipment;

Described S-GW receives the described conversation request of setting up, and be to set up under the described subscriber equipment to stand described group of carrying between described base station and the described S-GW, and the assign group bearing tunnel identifies.

4. method according to claim 3 is characterized in that, after described S-GW set up described group of carrying, described method also comprised:

Described S-GW transmits a reply message to described base station by described MME, wherein, carries described group of bearing tunnel sign in the described answer message.

5. method according to claim 2 is characterized in that, described subscriber equipment and described group of bearing binding are comprised:

The described access request that the described subscriber equipment that described base station will receive is initiated is transmitted to Mobility Management Entity;

Described Mobility Management Entity is according to the described group id that carries in the described access request, determine currently between described base station and the described S-GW to have had the group carrying corresponding with described group id, initiate to revise conversation request to described S-GW, wherein, described modification conversation request carries described group id, asks described S-GW to revise the group carrying corresponding with described group id;

Described S-GW receives described modification conversation request, the group bearing binding that the data of described subscriber equipment are corresponding with described group id.

6. method according to claim 1 is characterized in that, described first network element is S-GW, and described second network element is packet data network gateway P-GW.

7. method according to claim 6 is characterized in that, for the group carrying of setting up under the described subscriber equipment between upright described first network element and described second network element comprises:

Described S-GW initiates to set up conversation request to described P-GW after the access request that receives described subscriber equipment initiation, and wherein, described foundation carries described group id in the conversation request, asks described P-GW to set up described group of carrying;

Described P-GW receives the described conversation request of setting up, and be to set up under the described subscriber equipment to stand described group of carrying between described S-GW and the described P-GW, and the assign group bearing tunnel identifies.

8. method according to claim 7 is characterized in that, sets up under described P-GW is described subscriber equipment after the upright described group of carrying, and described method also comprises:

Described P-GW sends to described S-GW and sets up the session answer, and wherein, described foundation carries described group of bearing tunnel sign in the session answer.

9. method according to claim 8 is characterized in that, sends described foundation after session replys at described P-GW to described S-GW, and described method also comprises:

Described P-GW initiates the tunnel to Machine Type communication MTC server and sets up request, and the tunnel between described P-GW and the described MTC server is set up in request, and wherein, described tunnel is set up in the request and carried described group id;

Described MTC server receives described tunnel and sets up request, sets up the tunnel between described P-GW and the described MTC server, and returns the Tunnel Identifier in described tunnel to described P-GW;

Described P-GW preserves the mapping relations of described Tunnel Identifier and described group id.

10. method according to claim 9 is characterized in that, after described P-GW preserved the mapping relations of described Tunnel Identifier and described group id, described method also comprised:

The user's up-downgoing data that belong to the corresponding group of described group id between described P-GW and the described MTC server by described tunnel transmission.

11. method according to claim 6 is characterized in that, described subscriber equipment and described group of bearing binding are comprised:

Described S-GW is after the access request that receives described subscriber equipment initiation, according to the described group id that carries in the described access request, determine currently between described S-GW and the described P-GW to have had the group carrying corresponding with described group id, initiate to revise conversation request to described P-GW, wherein, described modification conversation request carries described group id, asks described P-GW to revise the group carrying corresponding with described group id;

Described P-GW receives described modification conversation request, the group bearing binding that the data of described subscriber equipment are corresponding with described group id.

12., it is characterized in that described group id is group under the described subscriber equipment of indication one of in the following manner according to each described method in the claim 1 to 11:

The identify label of described subscriber equipment;

APN;

The sign of group under the predefined described subscriber equipment.

13. a network connects apparatus for establishing, it is characterized in that, comprising:

Receiver module is used to receive the access request that subscriber equipment is initiated, and wherein, carries the group id of organizing under the described subscriber equipment of indication in the described access request;

Judge module is used for and need setting up under the situation of carrying between first network element and second network element for described subscriber equipment, judges currently between described first network element and described second network element whether to have a group carrying corresponding with described group id;

Module is set up in carrying, and the judged result that is used at described judge module is under the situation not, is the group carrying of setting up under the described subscriber equipment between upright described first network element and described second network element;

Logging modle is used for that described group of carrying that module sets up set up in described carrying and is recorded as carrying with the corresponding group of described group id between described first network element and described second network element;

Binding module, the judged result that is used at described judge module is under the situation that is, with data and described group of bearing binding of described subscriber equipment.

14. strategy and charging control PCC policy development method are used to formulate the PCC strategy based on the group carrying, it is characterized in that described method comprises:

P-GW receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation group carrying indication to "Policy and Charging Rules Function PCRF, wherein, carry the group id of described first subscriber equipment in the described foundation group carrying indication;

Described PCRF receives described foundation group carrying indication, obtains the group CAMEL-Subscription-Information corresponding with described group id by user-subscribed database SPR;

Described PCRF formulates the PCC strategy of the group corresponding with described group id according to described group of CAMEL-Subscription-Information and local configuration information.

15. method according to claim 14 is characterized in that, after described PCRF formulated described group PCC strategy, described method also comprised:

The second subscriber equipment access network, described P-GW receive the modification conversation request from S-GW, and wherein, described second subscriber equipment and described first subscriber equipment belong to same group;

Described PCRF receives the modification group carrying indication that described P-GW sends, and wherein, carries the sign that described group id and indication increase subscriber equipment in the described modification group carrying indication;

Described PCRF formulates the new PCC strategy of the group corresponding with described group id according to the sign of the described group of CAMEL-Subscription-Information that obtains from described SPR, local configuration information and indication increase subscriber equipment.

16. a PCC policy development system is characterized in that, comprising: P-GW, SPR and PCRF, wherein,

Described P-GW, be used for receive be to set up the conversation request of upright group carrying under first subscriber equipment after, send foundation group carrying indication to described PCRF, wherein, carry the group id of described first subscriber equipment in the described foundation group carrying indication;

Described SPR is used for the group id of each group in the storage networking and the corresponding relation of its group CAMEL-Subscription-Information;

Described PCRF, be used to receive described foundation group carrying indication, by described SPR obtain with described foundation group carrying indication in the corresponding group CAMEL-Subscription-Information of described group id that carries, and, formulate the PCC strategy of the group corresponding with described group id according to this group CAMEL-Subscription-Information and local configuration information.

17. system according to claim 16 is characterized in that,

Described P-GW also is used to receive the modification conversation request from S-GW, and to described PCRF transmission modification group carrying indication, wherein, described S-GW sends described modification conversation request when the second subscriber equipment access network, and described second subscriber equipment and described first subscriber equipment belong to same group, carry the sign that described group id and indication increase subscriber equipment in the described modification group carrying indication;

Described PCRF also is used for increasing according to the described group of CAMEL-Subscription-Information that obtains from described SPR, local configuration information and indication the sign of subscriber equipment, formulates the new PCC strategy of the group corresponding with described group id.