CN102075871A - Method for selecting service node, network node and communication system - Google Patents

Abstract

The invention provides a method for selecting a service node, a network node and a communication system, and belongs to the field of communication. The method for selecting the service node comprises the following steps that: a first node acquires a mapping relationship between group information of equipment and an identifier of a second node; and the first node determines the second node as the service node of the equipment in the group according to the mapping relationship, wherein the service node is used for managing the equipment which belongs to the group. In the embodiment of the invention, the same service node is selected for the equipment which belongs to the same group, so that the centralized management of the equipment which belongs to the same group is realized; therefore, network resources are saved.

Description

Select method, network node and the communication system of service node

Technical field

The present invention relates to communication technical field, particularly relate to a kind of method, network node and communication system of selecting service node.

Background technology

Long Term Evolution/System Architecture Evolution networks such as (Long Term Evolved/System ArchitectureEvolved are hereinafter to be referred as LTE/SAE) is based on Human To Human's (Human To Human is called for short H2H) design at present.In existing network, each subscriber equipment (User Equipment is called for short UE) only belongs to a user usually, and network is managed separately for each UE, network side is that each equipment is independently selected service node according to the principle of load balancing, does not have association between the different UEs.

Machine is one of current development of Communication Technique trend to machine (Machine To Machine the is called for short M2M) communication technology.In the M2M communication technology, data from a station terminal device transmission to another station terminal equipment, i.e. dialogue between the realization equipment.In M2M network based on the M2M communication technology, no longer the relation of simple 1:1 between user and the equipment, a common user can have more than one even have a large amount of terminal equipments, has promptly formed the relation of 1:M between user and the terminal equipment.In this external M2M network, also may there be the common situation of using a terminal equipment of a plurality of users, have promptly formed the relation of N:1 between user and the terminal equipment.The comprehensive above-mentioned various possible cases of M2M, the corresponding relation in the M2M network between user and the terminal equipment can be expressed as N:M.

In order better to satisfy practical application request, network side need carry out management and group to a plurality of terminal equipments with identical characteristics.If according to scheme in the prior art is that terminal equipment is selected service node, then can cause waste of network resources.

Summary of the invention

The embodiment of the invention provides a kind of method, network node and communication system of selecting service node, is used to subscriber equipment to select service node, to save the required Internet resources of equipment of management same group.

The embodiment of the invention provides a kind of method of selecting service node, comprising:

First node obtains the group information of equipment and the mapping relations of Section Point sign;

Described first node determines that according to described mapping relations described Section Point is the service node of the equipment of described group, and described service node is used for the equipment that belongs to described group is managed.

The embodiment of the invention also provides the method for another kind of selection service node, comprising:

Section Point obtains the mapping relations of the group information and the 3rd node identification of equipment, and described Section Point is first service node of the selected described equipment of first node, and described first node is connected with the equipment that belongs to described group;

Described Section Point determines that according to described mapping relations described the 3rd node is second service node that belongs to the equipment of described group;

Described first service node and described second service node are used for the equipment that belongs to described group is managed.

The embodiment of the invention also provides a kind of network node, comprising:

The mapping relations acquisition module is used to the group information of the equipment that obtains and the mapping relations of Section Point sign;

The service node determination module is used for the described mapping relations obtained according to described mapping relations acquisition module, determines that described Section Point is the service node of the equipment of described group, and described service node is used for the equipment that belongs to described group is managed.

The embodiment of the invention also provides another kind of network node, and described network node comprises:

The mapping relations acquisition module is used to the mapping relations of the group information and the 3rd node identification of the equipment that obtains;

The service node determination module is used for the described mapping relations obtained according to described mapping relations acquisition module, determines that described the 3rd node is second service node that belongs to the equipment of described group;

Administration module is used for the equipment that belongs to described group is managed.

The embodiment of the invention also provides a kind of communication system, comprising:

First node is used to the group information of the equipment that obtains and first mapping relations of Section Point sign, according to described first mapping relations, determines that described Section Point is first service node that belongs to the equipment of described group;

Section Point is used to second mapping relations of the group information and the 3rd node identification of the equipment that obtains, and according to described second mapping relations, determines that described the 3rd node is second service node that belongs to the equipment of described group;

Described first service node and described second service node are used for the equipment that belongs to described group is managed.

The embodiment of the invention can be belonged to the equipment of same group by identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group the equipment that belongs to same group.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

The method flow diagram of the selection service node that Fig. 1 provides for first embodiment of the invention;

The method flow diagram of the selection service node that Fig. 2 provides for second embodiment of the invention;

Fig. 3 selects the application scenarios LTE/SAE system configuration schematic diagram of the method embodiment of service node for the present invention;

The method flow diagram of the selection service node that Fig. 4 provides for third embodiment of the invention;

The method flow diagram of the selection service node that Fig. 5 provides for fourth embodiment of the invention;

The method flow diagram of the selection service node that Fig. 6 provides for fifth embodiment of the invention;

The method flow diagram of the selection service node that Fig. 7 provides for sixth embodiment of the invention;

The method flow diagram of the selection service node that Fig. 8 provides for seventh embodiment of the invention;

The selected service node that Fig. 9 provides for eighth embodiment of the invention is deleted the method flow diagram of group information;

The structural representation of the network node that Figure 10 provides for ninth embodiment of the invention;

The structural representation of the network node that Figure 11 provides for tenth embodiment of the invention;

The structural representation of the communication system that Figure 12 provides for eleventh embodiment of the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment that is obtained under the creative work prerequisite.

The method flow diagram of the selection service node that Fig. 1 provides for first embodiment of the invention.The embodiment of the invention is from being connected with equipment, describing for the angle of the first node of choice of equipment service node, the executive agent that is the embodiment of the invention can be first node, first node can comprise: evolution base station (evolvedNode B, be called for short eNB), radio network controller (Radio Network Controller is called for short RNC) or other network nodes with identity function.As shown in Figure 1, present embodiment selects the method for service node to comprise:

Step 11, first node obtain the group information of equipment and the mapping relations of Section Point sign.

The described equipment of the embodiment of the invention can comprise: traditional UE also may comprise other subscriber equipmenies of supporting the M2M function.Section Point is the service node of the selected equipment of first node, can comprise: mobile management network element (Mobility Management Entity, abbreviation MME), service universal packet wireless business affair (General Packet Radio Service, be called for short GPRS) support node (Service GPRSSupposing node is called for short SGSN) or other network nodes with identity function.

The group information of equipment can be the group identification of group under the equipment, the device identification tabulation of each equipment that belongs to same group and at least one or the similar information during the group identification of each group is tabulated when a certain equipment belongs to a plurality of group.The group information of equipment and the obtain manner of the mapping relations between the Section Point are unrestricted, for example can comprise:

(1) the pre-configured mapping relations of first node, under this situation, each first node that Section Point connects need dispose identical mapping relations;

(2) belong to the above-mentioned mapping relations that first node that first equipment of same group connects is set up, and other first nodes that connect to Section Point send this mapping relations; Wherein, first equipment is to belong to the equipment that mapping relations are set up in described group and first triggering, and optionally, first equipment is first equipment of initiating communication process in the group.

(3) Section Point is to the mapping relations of each first node transmission that self connects, and under this situation, Section Point is: the service node that the first node that first equipment connects is selected.

Step 12, first node determine that according to above-mentioned mapping relations Section Point is the service node of the equipment of this group, and this service node is used for the equipment that belongs to this group is managed.

The first node that Section Point connects, need be when belonging to the choice of equipment service node of same group, select according to above-mentioned mapping relations, can make that like this service node of the equipment that belongs to same group is all identical, be Section Point, can belong to the equipment of this group by the Section Point unified management.

Present embodiment is selected in the method for service node, be the identical service node of choice of equipment that belongs to same group, and the relevant information of the equipment that will the belong to same group communication process of initiating sends to identical service node, therefore help belonging to the equipment of same group by this identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group the equipment that belongs to same group.

The method flow diagram of the selection service node that Fig. 2 provides for second embodiment of the invention.The embodiment of the invention describes from the angle of Section Point, the executive agent that is the embodiment of the invention can be Section Point, Section Point can comprise: mobile management network element (Mobility Management Entity, abbreviation MME), service universal packet wireless business affair (General Packet Radio Service, be called for short GPRS) support node (Service GPRS Supporting node is called for short SGSN) or other network nodes with identity function.As shown in Figure 2, present embodiment selects the method for service node to comprise:

Step 21, Section Point obtain the mapping relations of the group information and the 3rd node identification of equipment, and described Section Point is first service node of the selected described equipment of first node, and described first node is connected with the equipment that belongs to described group.

First node can comprise: eNB, RNC or other network nodes with identity function.

Section Point is the service node of the selected equipment of first node, can comprise: MME, SGSN or other network nodes with identity function.

The 3rd node is the service node of the selected equipment of Section Point, can comprise: gateway (ServingGateway, abbreviation S-GW), grouped data network gateway (Packet Data Network Gateway, be called for short P-GW), Gateway GPRS Support Node (Gateway GPRS Support Node is called for short GGSN) or other network nodes with identity function.

It is unrestricted that Section Point obtains the mode of group information of equipment, for example: can obtain the subscription data of equipment to home signature user server (Home Subscriber Server is called for short HSS), comprise the group information of equipment in this subscription data; Perhaps, the group information of the equipment of Section Point receiving equipment or first node transmission.The group information of equipment can comprise: the group identification of group under the equipment, belong to same group each equipment the device identification tabulation and when this equipment belongs to a plurality of group at least one in the group identification tabulation of each group or similar information.

The obtain manner of the mapping relations of the group information of equipment and the 3rd node identification is unrestricted, for example can comprise:

(1) the pre-configured mapping relations of Section Point;

(2) Section Point according to the load balancing principle, is this first choice of equipment service node when the relevant information of the communication process of the first node transmission that receives the connection of first equipment, and selected service node is the 3rd node; Set up the group information of the affiliated group of first equipment and the mapping relations of the 3rd node identification.

Step 22, described Section Point determine that according to described mapping relations described the 3rd node is second service node that belongs to the equipment of described group, and above-mentioned first service node and second service node are used for the equipment that belongs to described group is managed.

When Section Point receives the relevant information of communication process of first equipment, select according to above-mentioned mapping relations, can make that like this Section Point is that to belong to the service node of choice of equipment of same group all identical, is the 3rd node.Section Point and the 3rd node are used for the equipment that belongs to same group is managed.

Present embodiment is selected in the method for service node, be the identical service node of choice of equipment that belongs to same group, and the relevant information of the equipment that will the belong to same group communication process of initiating sends to identical service node, therefore help belonging to the equipment of same group by this identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group the equipment that belongs to same group.

Fig. 3 selects the application scenarios LTE/SAE system configuration schematic diagram of the method embodiment of service node for the present invention.As shown in Figure 3, LTE/SAE mainly comprises: the eNB in the universal terrestrial access network of HSS, MME, SAE gateway, evolution (Evolved Universal Terrestrial Radio Access Network is called for short E-UTRAN) etc.

HSS mainly is responsible for the subscription data management of UE, and the subscription data that HSS preserves can comprise the group information of UE.The group information of UE can comprise: at least one in the common features of the group identification of the group under the UE, group membership's tabulation, group and group membership's the proprietary characteristic, wherein, group membership's tabulation comprises that one group of device identification, the common features of group identification and group also can be used as independent subscription data and preserve.If a certain UE belongs to a plurality of groups, the group information of UE also can comprise the group identification of group and the mapping relations of type of service sign, as the mapping relations of APN and group identification.

The major function of MME is to preserve the MM Context of UE, and to Non-Access Stratum (NonAccess Stratum, being called for short NAS) signaling handles, and is responsible for the safety of NAS signaling etc., and wherein MM Context can comprise user's sign, mobility management states, positional information etc.MME can obtain the subscription data of UE to HSS, obtains the group information of UE according to subscription data.

The SAE gateway comprises S-GW and P-GW; S-GW and P-GW are two logic entities, may reside on the same or different physical entities.The last main user's face context of preserving UE of S-GW, as: the IP address of UE and routing iinformation, execution Lawful Interception, grouped data routing function etc.; S-GW communicates by letter with MME by the S11 interface, and it is mutual to carry out the mobility management information of UE and session control information etc.P-GW is responsible for user's face anchor point function that UE is linked into Packet Data Network, communicate by SGi reference point and external packet data net, function with grouping route and forwarding, and responsible policy, billing enhancement function, based on each user's packet filtering function etc.; P-GW communicates by letter with S-GW by the S5 interface, transmission bearer foundation/modification/control informations such as deletion, and the grouped data route etc.

The E-UTRAN network is made up of a plurality of eNB, the eNB major function is the wireless connections of being responsible between foundation, maintenance or release and the UE, preserves the contextual information that is in connection status UE, and to Access Layer (Access Stratum, abbreviation AS) signaling is handled, and is responsible for the safety of AS signaling etc.

MME is connected with the node that the E-UTRAN network is responsible for chain of command and user's face respectively by S1-U interface by S1-MME interface, S-GW; Simultaneously MME by S3 interface, S-GW by the S4 interface respectively with the 2G/3G network in Serving GPRS Support Node (Service GPRS Supportingnode, be called for short SGSN) connect, be responsible for mobility chain of command anchor point and the user face anchor point function of UE between 3G network and SAE network respectively.

Below in conjunction with the application of the embodiment of the invention in LTE/SAE system shown in Figure 3, illustrate that the present invention realizes selecting the technical scheme of the method for service node.In application scenarios shown in Figure 3, eNB is the described first node of the embodiment of the invention; MME is first service node that the described first node of the embodiment of the invention is a choice of equipment, and when first service node of selecting was defined as belonging to the common serving MME of each equipment of same group, this MME was the described Section Point of the embodiment of the invention; S-GW and P-GW are second service node that the described Section Point of the embodiment of the invention is a choice of equipment, belong to the common service S-GW and the P-GW of equipment of same group, are described the 3rd node of the embodiment of the invention.Wherein, equipment can comprise traditional UE, also may comprise other equipment of supporting the M2M function.

In application scenarios shown in Figure 3, the mapping relations between group information and the serving MME are: described first mapping relations of the embodiment of the invention.The eNB that is positioned at identical MME pond obtains the mode of first mapping relations, can comprise:

(1) pre-configured identical, first mapping relations of the eNB in the identical MME pond;

The eNB that (2) first equipment connect is according to the principle of load balancing, select the serving MME that MME is an equipment, set up and the group information of the affiliated group of preservation equipment and the mapping relations of this serving MME sign, and other eNB in identical MME pond send this mapping relations;

The eNB that (3) first equipment connect is according to the selected serving MME of the principle of load balancing, eNB transmitting apparatus first mapping relations in serving MME self pond.

The group information of group and the mapping relations of the 3rd node identification are under the equipment: described second mapping relations of the embodiment of the invention, wherein, the 3rd node comprises service S-GW and service P-GW.The mode that MME obtains second mapping relations can comprise:

(1) pre-configured second mapping relations of MME;

(2) MME is when the relevant information of the communication process of the eNB transmission that receives the connection of first equipment, according to the load balancing principle, be this choice of equipment S-GW and P-GW, service S-GW that selected S-GW and P-GW are respectively this equipment and service P-GW, set up and the group information of the affiliated group of preservation equipment and the mapping relations of the 3rd node identification, wherein, the 3rd node comprises service S-GW and service P-GW.

Be elaborated below in conjunction with concrete application example.Suppose in the application example of Fig. 4-Fig. 7: equipment Device1 and Device2 belong to the equipment of same group, and eNB1 and eNB2 belong to the eNB in the same MME pond.

The method flow diagram of the selection service node that Fig. 4 provides for third embodiment of the invention.Present embodiment is the flow process that equipment is initiated network attachment, suppose: Device1 and Device2 had obtained the group information of self before the initiation network attachment, as the group identification (Group ID) of the group under self etc.As shown in Figure 3 and Figure 4, present embodiment selects the method for service node to comprise:

Step 41, suppose that Device1 is first equipment of initiating the attach to network flow process in each equipment of comprising of this group.Device1 sends Radio Resource control (Radio Resource Control to eNB1, be called for short RRC) connect and set up message (RRC Connection Setup), RRC connects and to set up the NAS message that comprises in the message for adhering to request (Attach Request) message, wherein, the group identification (Group ID) that message carries the affiliated group of Device1 is set up in the RRC connection, the selectable APN (Access Point Name is called for short APN) that carries of Attach Request message.

Step 42, eNB1 obtain the group identification of group under the Device1, according to this group identification inspection self whether store and this group identification coupling, the mapping relations of group identification between identifying with MME.

If the above-mentioned mapping relations of the last storage of eNB1 are then selected MME according to above-mentioned mapping relations,, then select MME according to the principle of load balancing if do not store above-mentioned mapping relations on the eNB1.

Do not store above-mentioned mapping relations on this step hypothesis eNB1, then eNB1 is according to Device1 present located position and network topology structure, principle according to load balancing is selected MME, selected MME is the serving MME of Device1, mapping relations and preservation between the sign of the group identification of setting up group under the Device1 and selected MME.

Step 43, eNB1 send initial UE message (Initial UE message) to selected MME, the NAS message that comprises in the initial UE message is Attach Request message, and in initial UE message, carry the group identification of group under the Device1, the selectable APN that carries.

Step 44, MME obtain the subscription data of Device1 by upgrading position flow process (Update Location Procedure) to HSS.

When if MME has preserved the subscription data of Device1, this step is an optional step.

Step 45, MME check group identification that self whether stores the affiliated group of Device1 and the mapping relations of serving S-GW and service P-GW.

If store the group identification of the affiliated group of Device1 and the mapping relations of the 3rd node on the MME, then select second service node according to these mapping relations.If do not store these mapping relations on the MME, then the existing method of basis is selected second service node, the mapping relations between foundation and preservation group identification and second service node of selecting identify.Second service node comprises: S-GW and P-GW.The 3rd node comprises: selected service S-GW and selected service P-GW.

Do not store the group identification of the affiliated group of Device1 and the mapping relations of the 3rd node identification on the present embodiment hypothesis MME, then the method for MME selection S-GW and P-GW is for example:

When MME selected S-GW, MME can select the service S-GW of the lighter S-GW of present load as Device1 according to the principle of load balancing according to network topology structure and the current loading condition of selectable S-GW;

When MME selected P-GW, MME according to the address that subscription data obtains the corresponding P-GW of Packet Data Network's (Packet Data Network is called for short PDN), selected the service P-GW of this P-GW as Device1 from the subscription data that HSS gets access to equipment.Optionally, MME can carry out the DNS inquiry according to the APN of the PDN correspondence that is obtained by Device1 or HSS, obtains the address list of a P-GW that can serve, and therefrom selects the service P-GW of a P-GW as Device1.

Step 46, MME send to S-GW and set up conversation request (Create Session Request) message, and this sets up the sign that carries P-GW in the conversation request message.

Step 47, S-GW send to P-GW and set up conversation request message.

Step 48, MME send initial context to eNB1 and set up request (Initial Context SetupRequest) message.

Step 49, eNB1 send the RRC connection to Device1 and reshuffle (RRC ConnectionReconfiguration) message.

Above-mentioned steps 41-step 49 is the attachment flow of Device1, in the process of Device1 attach to network, eNB1 and MME store first mapping relations, be the group identification of group under the Device1 and the mapping relations of the sign of the MME that selectes, should set up and store second mapping relations by selected MME, i.e. the group identification of group and the mapping relations of the 3rd node identification under the Device1.

First mapping relations can be passed through eNB1 or selected MME, send to each eNB in the MME pond (Pool), are the identical MME of other choice of equipment that belongs to same group for each eNB.Concrete, can comprise:

Step 410a, MME send group information indication (Group Information Indication) message to the eNB that belongs to this MME pond (MME Pool), and this group information Indication message carries the mapping relations of the sign of the group identification of group under the Device1 and MME.

Hypothesis eNB1 and eNB2 belong to the eNB in MME pond in the present embodiment, and the situation that the group information Indication message is sent to eNB2 by MME only is shown among the figure.

Step 410b, eNB1 send the group information Indication message to the eNB that belongs to identical MME pond, and this group information Indication message carries the group identification of the affiliated group of Device1 and the mapping relations of MME sign.

Hypothesis eNB1 and eNB2 belong to the eNB in MME pond in the present embodiment, and the group information Indication message can be sent to eNB2 by eNB1.

Among step 410a and the 410b, but execution in step 410a, perhaps, but execution in step 410b.

Step 411, eNB2 receive the group information Indication message of MME or eNB1 transmission, and the mapping relations of the sign of the group identification of the affiliated group of preservation Device1 and MME.

Suppose another equipment of Device1 place group, initiate the network attachment flow process, then can select the service node identical, specifically can comprise by the following Device2 that is treated to Device1 as Device2:

Step 412, Device2 send the RRC connection to eNB2 and set up message, it is Attach Request message that the NAS message that comprises in the message is set up in the RRC connection, wherein, the group identification that carries the affiliated group of Device2 in the message, the selectable APN that carries of Attach Request message are set up in the RRC connection.

Step 413, eNB2 obtain the group identification of the affiliated group of Device2, because eNB2 stores the mapping relations between the sign of the group identification of group under the Device1 and MME, the group identification of Device2 is identical with the group identification of Device1, eNB2 selects MME according to the mapping relations of the sign of group identification and MME, and the MME that eNB2 selectes is identical with the serving MME of Device1.

Step 414, eNB2 send initial UE message to selected MME, and the NAS message that comprises in the initial UE message is Attach Request message, and carries group identification in initial UE message.

Step 415, MME obtain the subscription data of Device2 by upgrading position flow process (Update Location Procedure) to HSS.

When if MME has preserved the subscription data of Device2, this step is an optional step.

Step 416, MME are selected service S-GW and the service P-GW of Device2 according to the mapping relations of group identification and the 3rd node identification.The S-GW that Device2 is selected, the S-GW selected with Device1 is identical, and the P-GW that Device2 selectes is identical with the P-GW that Device1 selectes.

Step 417, MME send to selected S-GW and set up conversation request message, and this sets up the sign that carries selected P-GW in the conversation request message.

Step 418, S-GW send to selected P-GW and set up conversation request message.

Step 419, MME send initial context to eNB and set up request message.

Step 420, eNB2 send RRC to Device2 and connect reconfiguration message.

Above-mentioned steps 412-step 419 is carried out the network attachment flow process for Device2, and in the process of Device2 attach to network, eNB2 is according to the mapping relations of group identification and MME sign, for Device2 selects and serving MME; MME is according to the mapping relations of group identification and the 3rd node identification, is that Device2 selects service S-GW and service P-GW, makes that the service node of the two equipment Device1 that belong to same group and Device2 is all identical.

Present embodiment is selected in the method for service node, initiate the group information of the equipment of network attachment flow process to the eNB of its connection transmitting apparatus, the eNB that belongs to same MME pond is according to the mapping relations of group identification and MME sign, is the MME of the identical MME of the choice of equipment that belongs to same group as its service; This MME is identical service S-GW and the service P-GW of choice of equipment that belongs to same group according to the mapping relations of group information and the 3rd node identification.Selected service node carries out unified management as selected MME, S-GW and P-GW to each equipment that belongs to same group, thereby has saved Internet resources.

The method flow diagram of the selection service node that Fig. 5 provides for fourth embodiment of the invention.Present embodiment is with the difference of the corresponding embodiment of Fig. 4, present embodiment is that equipment is initiated the flow process that the position is upgraded, position more new technological process is different with attachment flow, but wherein eNB is that choice of equipment serving MME and MME are that the method for choice of equipment service S-GW and P-GW is similar, as Fig. 3 and shown in Figure 5, present embodiment selects the method for service node to comprise:

Step 51, suppose that Device1 is that first enters the equipment in the new MME pond in each equipment of comprising of this group.Device1 sends the RRC connection to eNB1 and sets up message, and it is position updating request (TAU Request) message that the NAS message that comprises in the message is set up in the RRC connection, and the group identification that message is carried the affiliated group of equipment is set up in the RRC connection.

The mapping relations of the sign of step 52, the group identification of supposing not store on the eNB1 group under the Device1 and serving MME, then eNB1 is according to Device1 present located position and network topology structure, principle according to load balancing is selected MME, selected MME is the serving MME of Device1, set up the group identification of the affiliated group of Device1 and the mapping relations of the sign of the MME that selectes, and preserve this mapping relations.

Step 53, eNB1 send initial UE message (Initial UE message) to selected MME, and the NAS message that comprises in the initial UE message is the TAU request message, and carry the group identification of group under the Device1 in initial UE message.

Step 54, the group identification of supposing not store on the MME group under the Device1 and the mapping relations of the 3rd node identification, then select S-GW and P-GW according to existing method, set up and preserve the mapping relations of group identification and the 3rd node identification, wherein the 3rd node comprises selected S-GW and P-GW.

Step 55, MME send to selected S-GW and set up conversation request (Create Session Request) message or revise carrying request (Modify Bearer Request) message, carry the sign of the selected P-GW of MME in these message.

Step 56, S-GW send to selected P-GW and revise bearing request message.

Step 57, MME send the position to equipment and upgrade acceptance (TAU Accept) message.

Above-mentioned steps 51-step 57 is the position new technological process more of Device1, and in the process that the Device1 position is upgraded, eNB1 and MME store first mapping relations, i.e. the mapping relations of the group identification of group and selected MME sign under the Device1.MME that should be selected sets up and also stores second mapping relations, i.e. the group identification of group and the mapping relations of the 3rd node identification under the Device1, and wherein, the 3rd node comprises selected S-GW and the P-GW that selectes.

The mapping relations of group identification and the sign of selected MME can send to each eNB in the MME pond by eNB1 or selected MME, are the identical MME of other choice of equipment that belongs to same group for each eNB.Concrete, can comprise:

Step 58a, MME each eNB in this MME pond sends the group information Indication message, and this group information Indication message carries the mapping relations of group identification and MME sign.

Hypothesis eNB1 and eNB2 belong to the eNB in MME1 pond in the present embodiment, only show the situation that the group information Indication message is sent to eNB2 by MME among the figure.

Step 58b, eNB1 other eNB in belonging to identical MME pond send the group information Indication message, and this group information Indication message carries the mapping relations of group identification and MME sign.

Hypothesis eNB1 and eNB2 belong to the eNB in MME1 pond in the present embodiment, and the group information Indication message can be sent to eNB2 by eNB1.

Among step 58a and the step 58b, but execution in step 58a, but perhaps execution in step 58b.

Step 59, eNB2 receive the group information Indication message of MME or eNB1 transmission, and preserve the mapping relations of group identification and MME sign.

Suppose that Device2 initiates the network attachment flow process, Device2 and Device1 belong to same group, then can select the service node identical with Device1 by the following Device2 that is treated to, and specifically can comprise:

Step 510, Device2 send the RRC connection to eNB2 and set up message, and it is position updating request (TAU Request) message that the NAS message that comprises in the message is set up in the RRC connection, and RRC connects the group identification of setting up the affiliated group of the equipment that carries in the message.

Step 511, eNB2 obtain the group identification of the affiliated group of Device2, because the mapping relations of eNB2 storage group identification and MME sign, eNB2 selects MME according to these mapping relations, and selected MME is identical with the serving MME of Device1, and promptly the serving MME of Device2 and Device1 is identical.

Step 512, eNB2 send initial UE message to selected MME, and the NAS message that comprises in the initial UE message is location update request message, and carries group identification in initial UE message.

Step 513, MME are according to the group identification of storage and the mapping relations of the 3rd node identification, for Device2 selects service S-GW and service P-GW, selected S-GW and P-GW are the 3rd node, wherein, the S-GW that Device2 selectes is identical with the service S-GW of Device1, and the P-GW that Device2 is selected is identical with the service P-GW of Device1.

Step 514, MME send to selected S-GW and set up conversation request message or revise bearing request message, carry the sign of the selected P-GW of MME in these message.

Step 515, S-GW send to selected P-GW and revise bearing request message.

Step 516, MME send the position renewal to Device2 and accept message.

Above-mentioned steps 511-step 516 is carried out the flow process that the position is upgraded for Device2, in the process that the Device2 position is upgraded, eNB2 is according to the mapping relations of group's mark with the MME sign, for Device2 selects and serving MME, MME, makes to belong to two equipment Device1 of same group and the service node of Device2 for Device2 selects service S-GW and service P-GW according to the mapping relations between group identification and the 3rd node identification, as: MME, S-GW and P-GW are identical.

Present embodiment is selected in the method for service node, and first enters the equipment in the new MME pond in the group, to the group information of the eNB of its connection transmitting apparatus.The eNB that belongs to same MME pond is according to the mapping relations of group information with the sign of selected MME, is the MME of the identical MME of the choice of equipment that belongs to same group as its service; This MME is according to the mapping relations between group information and the 3rd node, is the S-GW of the identical service of the choice of equipment that belongs to same group and the P-GW of service.Selected service node, MME, S-GW and P-GW as selected carry out unified management to the equipment that belongs to same group, thereby have saved Internet resources.

The method flow diagram of the selection service node that Fig. 6 provides for fifth embodiment of the invention.Present embodiment is the flow process that equipment is initiated network attachment, is the mode difference of the group identification of present embodiment equipment group under the eNB transmitting apparatus with the difference of the corresponding embodiment of Fig. 4.As Fig. 3 and shown in Figure 6, present embodiment selects the method for service node to comprise:

Step 61a, suppose that Device1 is first equipment of initiating the attach to network flow process in each equipment of comprising of this group.Device1 sends RRC connection request (RRC Connection Request) message to eNB1, comprises " Random ID " information word in the RRC connection request message.

Step 61b, eNB1 return RRC to Device1 and connect foundation (RRC Connection Setup) message.

Step 61c, Device1 send RRC connection foundation to eNB1 and finish (RRC ConnectionSetup Complete) message, carry " GUMMEI " information word and NAS message in the RRC connection setup complete message, and this NAS message is Attach Request message.Attach Request message carries device identification, the selectable APN that carries.

Above-mentioned steps 61a-step 61c is that equipment and eNB set up the RRC connection procedure, and wherein the part that the group identification of group can be used as the information word that RRC message comprises under the equipment sends to the eNB that equipment connects.

For example: RRC connection request message comprises " Random ID " information word, the RRC connection setup complete message comprises " GUMMEI " information word, can be under one of them information word in these two information words be carried equipment the group identification of group, specify as follows:

(1) in " Random ID " information word, carries the group identification of group under the equipment.

Suppose that " Random ID " information word takies 40 bits (Bit), can use the group information of some of them bit indication equipment, as the group identification of group under the equipment, the bit resource allocation example of 40 bits " Random ID " information word is as shown in table 1:

Table 1

" Random ID " information word is divided into three parts: " Distinguished ID " position, " Group ID " position and " Random ID " position.

It is pure " Random ID " information word of not carrying group identification that the information that carry " Distinguished ID " position is used to distinguish this information word, still carry " Random ID " information word of group identification, for example: " Distinguished ID " position can account for 1 bit, if the value of " Distinguished ID " position is " 1 ", then expression should " Random ID " information word carry group identification, and group identification is carried in " Group ID " position; If the value of " Distinguished ID " position is " 0 ", then expression should " Random ID " information word not carried group identification, and then " Group ID " position and " Random ID " information that 39 bits that take altogether carry all is " Random ID " information.

(2) in " GUMMEI " information word, carry the group identification of group under the equipment.

Existing " GUMMEI " information word comprises " PLMN-ID " position, " MME Group ID " position and " MMEC " position, can " MME Group ID " position can be divided into " Distinguished ID " position and " Device Group ID " position on this basis.The bit resource allocation example of " GUMMEI " information word is as shown in table 2:

Table 2

Wherein, it is " MME Group ID " information that " Distinguished ID " position is used to distinguish the information that the several bits after this carry, still " Device Group ID " information.For example: " GUMMEI " information word Central Plains " MME Group ID " position accounts for 16 bits, can be with preceding 2 bits of " MME Group ID " position as " Distinguished ID ", if the value of " Distinguished ID " position is " 00 ", then 14 bits of back, expression " Distinguished ID " position are " MME Group ID " information; If the value of " Distinguished ID " position is " 11 ", then include " Device Group ID " information in 14 bits of back, expression " Distinguished ID " position, if the bit number that " Device Group ID " information takies is greater than 14 bits, then " Device Group ID " information also can take the partial bit of " MMEC " position.

In the present embodiment, the group identification of group can be used as the part of " Random ID " information word that RRC connection request message comprises among the step 61a under the Device1, perhaps, can be used as the part of " GUMMEI " information word that the RRC connection setup complete message comprises among the step 61c, send to the eNB1 that Device1 connects.

" Random ID " information word that the RRC connection request message that step 62, eNB1 send from Device1 comprises, perhaps, obtain the group identification of the affiliated group of Device1 in " GUMMEI " information word that the RRC connection setup complete message comprises, according to this group identification is that Device1 selects the method for step 42 among the corresponding embodiment with Fig. 4 of method of MME similar, does not repeat them here.

Step 63-611 is similar to step 43-step 411, does not repeat them here.

Suppose another equipment of Device1 place group, initiate the network attachment flow process, then can select the service node identical, specifically can comprise by the following Device2 that is treated to Device1 as Device2:

Step 612a, Device2 send RRC connection request message to eNB2, comprise " Random ID " information word in the RRC connection request message.

Step 612b, eNB2 return the RRC connection to Device2 and set up message.

Step 612c, Device2 send the RRC connection setup complete message to eNB2, carry " GUMMEI " information word and NAS message in the RRC connection setup complete message, and this NAS message is Attach Request message.In Attach Request message, carry device identification, the selectable APN that carries.

In the present embodiment, the group identification of group can be used as the part of " Random ID " information word that RRC connection request message comprises among the step 612a under the Device2, perhaps, can be used as the part of " GUMMEI " information word that the RRC connection setup complete message comprises among the step 612c, send to the eNB2 that Device2 connects.

" Random ID " information word that the RRC connection request message that step 613, eNB2 send from Device2 comprises, perhaps, obtain the group identification of the affiliated group of Device1 in " GUMMEI " information word that the RRC connection setup complete message comprises, according to this group identification is that Device2 selects the method for step 413 among the corresponding embodiment with Fig. 4 of method of MME similar, does not repeat them here.

Step 614-620 is similar to step 414-step 420, does not repeat them here.

Present embodiment selects the method for service node on the basis of the technique effect of realizing the corresponding embodiment of Fig. 4, by based on the existing information unit in RRC connection request message or the RRC connection setup complete message, with the eNB that the group identification equipment that sends to of the group under the equipment connects, improved the flexibility that eNB obtains the group identification of group under the equipment.

Further, the method of the eNB that the part equipment that sends to of the information word that the group identification of group comprises as RRC message under the present embodiment equipment connects, the position that is applicable to equipment is new technological process more, difference is that the NAS message that the RRC connection setup complete message comprises is the TAU request message, the position is the difference on new technological process and the attachment flow performing step more, see the record of the corresponding embodiment of Fig. 5 for details, do not repeat them here.

The method flow diagram of the selection service node that Fig. 7 provides for sixth embodiment of the invention.Present embodiment is the flow process that equipment is initiated network attachment, is that with the difference of the corresponding embodiment of Fig. 4 equipment is not known the group information of self in the present embodiment application example.As shown in Figure 7, present embodiment selects the method for service node to comprise:

Step 71, suppose that Device1 is first equipment of initiating the attach to network flow process in each equipment of comprising of this group.Device1 sends Radio Resource control (Radio Resource Control to eNB1, be called for short RRC) connect and set up message (RRC Connection Setup), RRC connects and to set up the NAS message that comprises in the message for adhering to request (Attach Request) message, the RRC connection is set up and is carried device identification (Device ID) in the message, device identification can be the temporary mark or the permanent identification of equipment, the selectable APN information of carrying of Attach Request message.

Mapping relations between the sign of step 72, the group information of supposing not store on the eNB1 Device1 and serving MME, eNB1 is according to Device1 present located position and network topology structure, principle according to load balancing is selected MME, send initial UE message (Initial UEmessage) to selected MME, the NAS message that comprises in the initial UE message is Attach Request message.

Step 73, MME are by upgrading position flow process (Update Location Procedure), obtain the subscription data of Device1 to HSS, the subscription data of Device1 comprises the device identification tabulation (Group List) of each equipment that the group under the Device1 comprises.

When if MME has preserved the subscription data of Device1, this step is an optional step.

Step 74, suppose not have on the MME storage device identification tabulation and S-GW that selectes and the mapping relations between the P-GW, MME selects S-GW and P-GW according to existing method, the mapping relations of apparatus for establishing identification list and the 3rd node identification, and preserve this mapping relations, wherein, the 3rd node comprises: selected S-GW and selected P-GW.

Step 75-step 76 is similar to step 46-step 47, does not repeat them here.

Step 77, MME send initial context to eNB1 and set up request (Initial Context SetupRequest) message, and initial context is set up the device identification tabulation of carrying each equipment that the group under the Device1 comprises in the request message.

Mapping relations between step 78, eNB1 apparatus for establishing identification list and the selected MME, and preserve this mapping relations.

Step 79, eNB1 send RRC to Device1 and connect reconfiguration message.

Above-mentioned steps 71-step 79 is the attachment flow of Device1, in the process of Device1 attach to network, eNB1 sets up and preserves the mapping relations between device identification tabulation and the MME that selectes, selected MME sets up and preserves the mapping relations of device identification tabulation and the 3rd node identification, wherein, the 3rd node comprises: selected S-GW and selected P-GW.

To belong to same MME pond and can be attached on the identical MME in order to make, can pass through eNB1 or selected MME, the mapping relations of the eNB transmitting apparatus identification list in the MME pond and the sign of the MME that selectes with equipment that Device1 belongs to same group.Concrete, can comprise:

Step 710a, MME send group information indication (Group Information Indication) message to the eNB that belongs to this MME pond (MME Pool), and this group information Indication message carries the mapping relations of device identification tabulation and MME self identification.

Hypothesis eNB1 and eNB2 belong to the eNB in MME pond in the present embodiment, and the group information Indication message can be sent to eNB2 by MME.

Step 710b, eNB1 send group information Indication messages to other eNB that belong to identical MME pond, the mapping relations between the sign of this group information Indication message device identification tabulation and the MME that selectes.

Hypothesis eNB1 and eNB2 belong to the eNB in MME pond in the present embodiment, and the group information Indication message can be sent to eNB2 by eNB1.Among above-mentioned steps 710a and the step 710b, but execution in step 710a, perhaps, but execution in step 710b.

Step 711, eNB2 receive the group information Indication message that MME or eNB1 send, and preserve the mapping relations of device identification tabulation and the sign of selected MME.

Suppose that Device2 initiates the network attachment flow process, then can select the service node identical, specifically can comprise by the following Device2 that is treated to Device1:

Step 712, Device2 send the RRC connection to eNB2 and set up message, it is Attach Request message that the NAS message that comprises in the message is set up in the RRC connection, in Attach Request message, carry device identification, the selectable APN that carries carries temporary mark or permanent identification that device identification can be equipment in the Attach Request message.

Step 713, eNB2 obtain the device identification of Device2, according to the device identification tabulation of storage and the mapping relations of the sign of the MME that selectes, select the serving MME of the MME corresponding with the device identification of Device2 as Device2.

ENB2 is according to the selected MME of these mapping relations, and the MME selected with eNB1 is identical.

Step 714, eNB2 send initial UE message (Initial UE message) to selected MME, and the NAS message that comprises in the initial UE message is Attach Request message.

Step 715, MME obtain the subscription data of Device2 by upgrading position flow process (Update Location Procedure) to HSS.The subscription data of Device2 comprises: the device identification tabulation (Group List) of each equipment that the group under the Device2 comprises.

When if MME has preserved the subscription data of Device2, this step is an optional step.

Step 716, MME are Device2 selection service S-GW and service P-GW according to the device identification tabulation of storage and the mapping relations of the 3rd node identification, wherein, and S-GW and P-GW that the 3rd node position is selected.

MME is the selected S-GW of Device2, is that the selected S-GW of Device1 is identical with MME; MME is the selected P-GW of Device2, is that the selected P-GW of Device1 is identical with MME.

Step 717-step 720, similar to step 417-step 420 does not repeat them here.

Above-mentioned steps 712-step 720 is carried out the network attachment flow process for Device2, in the process of Device2 attach to network, eNB2 is according to the mapping relations of device identification tabulation with the MME sign of selecting, for Device2 selects serving MME, MME is according to the mapping relations of marking equipment tabulation with the 3rd node identification, be that Device2 selects service S-GW and service P-GW, make that the service node of the two equipment Device1 that belong to same group and Device2 is all identical.

Present embodiment is selected in the method for service node, the equipment of initiating the network attachment flow process identifies to the eNB of its connection transmitting apparatus, the mapping relations of the device identification tabulation of each equipment that the eNB that belongs to same WME pond comprises according to group under the equipment and selected MME sign are the MME of the identical MME of the choice of equipment that belongs to same group as its service; The device identification tabulation of each equipment that this MME comprises according to group under the equipment and the mapping relations of the 3rd node identification are identical service S-GW and the service P-GW of choice of equipment that belongs to same group.Selected service node, MME, S-GW and P-GW as selected carry out unified management to the equipment that belongs to same group, thereby have saved Internet resources.

Further, present embodiment eNB or MME are according to the mapping relations of device identification tabulation with the service node sign of selecting, method for the choice of equipment service node, the position that is applicable to equipment is new technological process more, difference is that RRC connects that to set up the NAS message that message comprises be the TAU request message, the position is the difference on new technological process and the attachment flow performing step more, sees the record of the corresponding embodiment of Fig. 5 for details, does not repeat them here.

The method flow diagram of the selection service node that Fig. 8 provides for seventh embodiment of the invention.The application example of present embodiment is: stored the mapping relations of group information and MME sign in the subscription data of a certain equipment, present embodiment is that example describes with the situation that equipment belongs to a plurality of groups only.As shown in Figure 8, present embodiment selects the method for service node to comprise:

Step 81, Device1 send RRC to eNB1 and connect and set up message, and RRC connects and sets up the NAS message that comprises in the message and can be Attach Request message or TAU request message, and the corresponding device communication process of initiating is a more new technological process of attachment flow or position respectively.

Step 82, eNB1 check the mapping relations of the sign of group information that self whether stores Device1 and the MME that selectes, if having, then select MME according to these mapping relations; If no, then according to Device1 present located position and network topology structure, select MME according to the principle of load balancing, the present embodiment MME that eNB1 is selected is expressed as MME1.ENB1 sends initial UE message to selected MME1, and the NAS message that comprises in the initial UE message, NAS message can be Attach Request message or TAU request message, and the corresponding device communication process of initiating is a more new technological process of attachment flow or position respectively.

Step 83, MME1 obtain the subscription data of Device1 by upgrading position flow process (Update Location Procedure) to HSS.

If equipment belongs to a plurality of groups, the group identification list information that in HSS, can comprise group under the equipment in the subscription data of this equipment, optionally, also can comprise in the subscription data: the mapping relations of the group identification tabulation of each group under this equipment and selected MME sign.

(1) if comprise the mapping relations that group identification tabulation and selected MME identify in the subscription data of Device1, can comprise following processing:

Whether MME sign in the mapping relations that step 84, MME1 comparison subscription data comprise is consistent with the sign of MME1 self.

If the MME that binds in the mapping relations that the Device1 subscription data comprises sign is different with the sign of MME1 self, execution in step 85.

Step 85, MME1 send refuse information to eNB1, carry the mapping relations information that group identification is tabulated (Group ID List) and MME identifies that comprises in the Device1 subscription data in this refuse information.

Step 86, eNB1 send initial UE message according to the mapping relations between group identification tabulation that comprises in the Device1 subscription data and the MME sign to correct MME.

Suppose: MME selected in the mapping relations that comprise in the Device1 subscription data is MME2, and then this step eNB1 sends initial UE message to MME2.

ENB1 is after MME2 sends initial UE message to correct MME, and Device1 and/or Device2 adhere to or handling process that the position is upgraded, and be similar with flow process among the corresponding embodiment of Fig. 4 or Fig. 5, do not repeat them here.

(2) if comprise the group identification tabulation in the subscription data of Device1, but do not comprise the mapping relations that group identification tabulation and selected MME identify, perhaps, if the subscription data of Device1 comprises the mapping relations that group identification tabulation and selected MME identify, and the MME that binds in the mapping relations that subscription data comprises sign is identical with the sign of MME1 self, under these two kinds of situations, can adopt eNB1 is that Device1 selects MME, MME is the method that Device1 selects S-GW and P-GW, similar with the system of selection of the equipment shown in the corresponding embodiment of Fig. 4 or Fig. 5, difference is: the group identification tabulation of each group of MME1 under the group information that eNB1 sends is Devices1, and the mapping relations that eNB preserves under the identical MME pond are: the mapping relations between the sign of group identification tabulation and self selected MME; The mapping relations that MME sets up and preserves are: the mapping relations of group identification tabulation and the 3rd node identification, wherein the 3rd node comprises S-GW and the selected P-GW that MME is selected.Not shown among processing procedure Fig. 8 of this situation.

Further, if equipment belongs to a plurality of groups, eNB is when being this choice of equipment MME, all there are mapping relations in the group information of each group and MME sign, if the MME of a plurality of groups mapping under the equipment is not identical MME, then an equipment can be attached on a plurality of MME simultaneously, and these MME that adhere to preserve the CAMEL-Subscription-Information and relevant group information of this equipment, because an equipment can be attached on a plurality of MME, therefore help realizing load balancing.

Present embodiment is selected in the method for service node, when a certain equipment belongs to a plurality of group, can be the identical service node of each choice of equipment that belongs to a plurality of groups, to avoid the selection conflict of service node, and the service node that helps selecting carries out unified management to the equipment that belongs to above-mentioned a plurality of groups, thereby saved Internet resources.

The selected service node that Fig. 9 provides for eighth embodiment of the invention is deleted the method flow diagram of group information.Present embodiment belongs to the attachment removal flow process that equipment is initiated.As shown in Figure 9, the method for the selected service node deletion group information of present embodiment comprises:

Step 91, Device1 send detach request (Detach Request) message to MME, carry device identification in the detach request message.

Step 92, MME judge whether Device1 is last equipment that has adhered to in the group under it, if, all relevant information of MME deletion Device1 and affiliated group thereof.

Step 93, MME send deletion conversation request (Delete Session Request) message, execution in step 94 to S-GW.

If Device1 is not last equipment that has adhered to in the group under it, the relevant information of MME deletion Device1, but keep the relevant information of the affiliated group of Device1.In the follow-up flow process of present embodiment, only with Device1 for last equipment that has adhered to in the group under it is example, describe.

The relevant information of step 94, S-GW deletion Device1, and return deletion conversational response (Delete Session Response) message to MME.

Step 95, S-GW send deletion conversation request (Delete Session Request) message to P-GW.

The relevant information of step 96, P-GW deletion Device1, and return deletion conversational response message to S-GW.

Step 97, MME send group informations deletion indication (Group Information Delete Indication) message to all eNB in self MME pond, carry the group identification of group under the Device 1 in the group information deletion Indication message.

That step 98, eNB deletion self is preserved, delete the relevant information of the corresponding group of the group identification that carries in the Indication message with group information.

Present embodiment can adopt the arbitrary embodiment of Fig. 3-Fig. 8 to select after the service node, when if the equipment that last of a certain group adhered to is initiated the attachment removal flow process, MME can delete the relevant information of this equipment and the relevant information of affiliated group thereof, and the eNB that connects in the notice MME pond deletes the relevant information of the affiliated group of this equipment, the Internet resources that take in order to the relevant information with group under the equipment discharge, thereby help saving Internet resources.

Though the corresponding embodiment of Fig. 3-Fig. 9 is applied as the explanation that example is carried out with the embodiment of the invention in the LTE/SAE system, but those skilled in the art it is also understood that, the embodiment of the invention also may be used in other network systems, as be applied in the UMTS system, under this situation, network node in the UMTS system, as RNC, SGSN, GGSN, be equivalent to eNB, MME and S-GW, P-GW in the LTE/SAE system respectively, in the UMTS system, select the technical scheme and the LTE/SAT system similarity of service node, do not repeat them here.

The structural representation of the network node that Figure 10 provides for ninth embodiment of the invention.As shown in figure 10, the present embodiment network node comprises: mapping relations acquisition module 101 and service node determination module 102.

Mapping relations acquisition module 101 is used to the group information of the equipment that obtains and the mapping relations of Section Point sign.

Service node determination module 102 is used for the described mapping relations obtained according to mapping relations acquisition module 101, determines that described Section Point is the service node of the equipment of described group, and described service node is used for the equipment that belongs to described group is managed.

According to the mode difference that mapping relations are obtained, optionally, mapping relations acquisition module 101 can comprise: the dispensing unit 1011 or first receiving element 1012 or second receiving element 1013.

Dispensing unit 1011 is used to dispose above-mentioned mapping relations.

First receiving element 1012 is used to receive and preserve the described mapping relations that first node that first equipment connects sends, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering.

Second receiving element 1013 is used to receive and preserve the described mapping relations that described Section Point sends.

If the present embodiment network node is the first node that first equipment connects, then optional, mapping relations acquisition module 101 comprises: load balancing selected cell 1014 and mapping relations acquiring unit 1015.

Load balancing selected cell 1014 is used for according to the load balancing principle, is the service node of the described Section Point of first choice of equipment as described first equipment, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering.

Mapping relations acquiring unit 1015 is used for after described load balancing selected cell is selected the service node of described Section Point as described first equipment, sets up and preserve the group information of described first equipment and the mapping relations of described Section Point sign.

Further, for other first nodes with the Section Point connection get access to identical mapping relations, the present embodiment network node also can comprise: mapping relations sending module 103.

Mapping relations sending module 103 is after mapping relations acquisition module 101 obtains described mapping relations, the first node that connects to described Section Point sends described mapping relations, the first node that connects for described Section Point determines that according to described mapping relations described Section Point is the service node that belongs to the equipment of described group.

Further, optionally, the present embodiment network node also can comprise: group information acquisition module 104.

Group information acquisition module 104 is used to receive the group information of described first equipment that described first equipment sends, perhaps, be used for obtaining the group information of described first equipment, so that the group information of described first equipment and the mapping relations of described Section Point sign are set up and preserved to described mapping relations acquiring unit to described Section Point.

The performance entity of the network node of present embodiment is unrestricted, for example can be eNB, RNC or have other types network node of identity function etc., Section Point can comprise: MME, SGSN or have other network nodes of identity function etc., relevant present embodiment network node select service node realization mechanism can referring among Fig. 1 and the corresponding embodiment of Fig. 3-Fig. 9 about the record of eNB, do not repeat them here.

The present embodiment network node is the identical service node of choice of equipment that belongs to same group, and the relevant information of the equipment that the belongs to same group communication process of initiating, send to identical service node, therefore help belonging to the equipment of same group by this identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group the equipment that belongs to same group.

The structural representation of the network node that Figure 11 provides for tenth embodiment of the invention.As shown in figure 11, the present embodiment network node can comprise: mapping relations acquisition module 111, service node determination module 112 and administration module 113.

Mapping relations acquisition module 111 is used to the mapping relations of the group information and the 3rd node identification of the equipment that obtains;

Service node determination module 112 is used for the described mapping relations obtained according to mapping relations acquisition module 111, determines that described the 3rd node is second service node that belongs to the equipment of described group;

Administration module 113 is used for the equipment that belongs to described group is managed.

Optionally, mapping relations acquisition module 111 can comprise: group information acquiring unit 1111, load balancing selected cell 1112 and mapping relations acquiring unit 1113.

Group information acquiring unit 1111 is used to obtain the group information of first equipment, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering.

Load balancing selected cell 1112 is used for according to the load balancing principle, is second service node of described the 3rd node of described first choice of equipment as described first equipment.

Mapping relations acquiring unit 1113 is used for the sign of the group information and described the 3rd node that described load balancing selected cell is selected of described first equipment that obtains according to group information acquiring unit 1111, the mapping relations of setting up and preserving the group information and described the 3rd node identification of described first equipment.

In order to make each first node that is connected with the present embodiment network node, the present embodiment network node can be defined as belonging to the first common service node of each equipment of same group, optionally, the present embodiment network node also can comprise: set up module 114 and sending module 115.

Set up module 114 and be used to the group information of first equipment of setting up and the mapping relations of Section Point sign, described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering, and described Section Point is that described first node is the first selected service node of described first equipment.

The first node that sending module 115 is used for connecting to described Section Point sends the described described mapping relations that module is set up of setting up, and is first service node that belongs to the equipment of described group so that described first node is determined described Section Point.

May comprise the group information of the affiliated group of this equipment and the mapping relations between the 3rd node in the subscription data of equipment, optionally, present embodiment networking node also can comprise: subscription data acquisition module 116 and denial of service module 117.

Subscription data acquisition module 116 is used to obtain the subscription data of described first equipment.

If denial of service module 117 is used for described subscription data and comprises the group information of described first equipment and the mapping relations between first service node, and the sign of first service node that comprises at described subscription data and the sign of described Section Point are not simultaneously, send denial of service information to described first node, carry the sign of first service node that described subscription data comprises in the described denial of service information, the sign of first service node that comprises according to described subscription data for described first node connects with corresponding first service node.

In order in time to discharge the Internet resources that group takies on appropriate opportunity, the present embodiment network node also can comprise: group information removing module 118.

Group information removing module 118 is used for the deletion first information when second equipment is initiated the attachment removal flow process, and the described first node that indication is connected with described Section Point is deleted the described first information; Described second equipment is to belong to described group and equipment that last has adhered to; The described first information is the relevant information of described second equipment and the relevant information of the affiliated group of described second equipment.

The performance entity of the network node of present embodiment is unrestricted, MME, SGSN or have other network nodes of identity function etc., first node can comprise: eNB, RNC or have other network nodes of identity function etc., the 3rd node can comprise: S-GW and P-GW, or GGSN, or have other network nodes of identity function etc.Relevant present embodiment network node select service node realization mechanism can referring among Fig. 2 and the corresponding embodiment of Fig. 3-Fig. 9 about the record of MME, do not repeat them here.

The present embodiment network node is the identical service node of each choice of equipment that belongs to same group, and the relevant information of each equipment that belongs to same group communication process of initiating sends to identical service node, therefore help belonging to each equipment of same group by this identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group each equipment that belongs to same group.

The structural representation of the communication system that Figure 12 provides for eleventh embodiment of the invention.As shown in figure 12, the present embodiment communication system comprises: first node 121 and Section Point 122.

First node 121 is used to the group information of the equipment that obtains and first mapping relations between the Section Point, according to described first mapping relations, determines that described Section Point is first service node that belongs to arbitrary equipment in each equipment of same group.

Section Point 122 is used to the group information of the equipment that obtains and second mapping relations between the 3rd node, according to described second mapping relations, determines that described the 3rd node is second service node that belongs to arbitrary equipment in each equipment of same group; Above-mentioned first service node and described second service node are used for the equipment that belongs to same group is managed.

In the present embodiment communication system, first node can comprise: eNB, RNC or have other network nodes of identity function etc., Section Point can comprise: MME, SGSN or have other network nodes of identity function etc., the 3rd node can comprise: S-GW and P-GW, or GGSN, or have other network nodes of identity function etc.Relevant present embodiment communication system selects the realization mechanism of service node not repeat them here referring to the record of the corresponding embodiment of Fig. 1-Fig. 9.

In the present embodiment communication system, first node is respectively the identical service node of each choice of equipment that belongs to same group with Section Point, and the relevant information of each equipment that belongs to same group communication process of initiating sends to identical service node, therefore help belonging to each equipment of same group by this identical service node unified management, promptly help in existing network realizing unified management, thereby help saving the required Internet resources of equipment of management same group each equipment that belongs to same group.

One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.

One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.

The invention described above embodiment sequence number is not represented the quality of embodiment just to description.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of embodiment of the invention technical scheme.

Claims (25)

1. a method of selecting service node is characterized in that, comprising:

First node obtains the group information of equipment and the mapping relations of Section Point sign;

Described first node determines that according to described mapping relations described Section Point is the service node of the equipment of described group, and described service node is used for the equipment that belongs to described group is managed.

2. the method for selection service node according to claim 1 is characterized in that,

Described first node is an evolution base station, and described Section Point is a mobile management network element; Perhaps,

Described first node is a radio network controller, and described Section Point is a service universal grouping wireless business supporting node.

3. the method for selection service node according to claim 1 is characterized in that, the group information of described equipment comprise following one of at least:

The group identification of group under the equipment;

Belong to the device identification tabulation of the equipment of same group;

The group identification tabulation, described group identification tabulation comprises: when described equipment belongs to a plurality of group, the group identification of group under the described equipment.

4. according to the method for claim 1 or 2 or 3 described selection service nodes, it is characterized in that described first node obtains the group information of equipment and the mapping relations of Section Point sign, comprising:

Described first node disposes described mapping relations; Perhaps,

Described first node receives and preserves the described mapping relations that first node that first equipment connects sends, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering; Perhaps,

Described first node receives and preserves the described mapping relations that described Section Point sends.

5. according to the method for claim 1 or 2 or 3 described selection service nodes, it is characterized in that described first node obtains the group information of equipment and the mapping relations of described Section Point sign, comprising:

Described first node is the service node of the described Section Point of first choice of equipment as described first equipment according to the load balancing principle, and described first equipment is to belong to described group and the clear equipment of stating mapping relations is set up in first triggering;

The group information of described first equipment and the mapping relations of described Section Point sign are set up and preserved to described first node.

6. the method for selection service node according to claim 5 is characterized in that, at described first node, sets up and preserves before the mapping relations of the group information of described first equipment and described Section Point sign, also comprises:

Described first node receives the group information of described first equipment that described first equipment sends; Perhaps,

Described first node obtains the group information of described first equipment to described Section Point.

7. the method for selection service node according to claim 5 is characterized in that, sets up and preserves after the group information and the mapping relations between the described Section Point of described first equipment, and described method also comprises:

Described first node, the first node that connects to described Section Point sends described mapping relations, and the first node that connects for described Section Point determines that according to described mapping relations described Section Point is the service node that belongs to the equipment of described group.

8. a method of selecting service node is characterized in that, comprising:

Section Point obtains the mapping relations of the group information and the 3rd node identification of equipment, and described Section Point is first service node of the selected described equipment of first node, and described first node is connected with the equipment that belongs to described group;

Described Section Point determines that according to described mapping relations described the 3rd node is second service node that belongs to the equipment of described group;

Described first service node and described second service node are used for the equipment that belongs to described group is managed.

9. the method for selection service node according to claim 8 is characterized in that,

Described first node is an evolution base station, and described Section Point is a mobile management network element, and described the 3rd node is gateway and packet data network gateway; Perhaps,

Described first node is a radio network controller, and described Section Point is a service universal grouping wireless business supporting node, and described the 3rd node is a ggsn.

10. the method for selection service node according to claim 8 is characterized in that, the group information of described equipment comprise following one of at least:

The group identification of group under the equipment;

Belong to the device identification tabulation of each equipment of same group;

The group identification tabulation, described group identification tabulation comprises: when described equipment belongs to a plurality of group, the group identification of group under the described equipment.

11. according to Claim 8 or the method for 9 or 10 described selection service nodes, it is characterized in that described Section Point obtains the mapping relations of the group information and the 3rd node identification of equipment, comprising:

Described Section Point obtains the group information of first equipment, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering;

Described Section Point is second service node of described the 3rd node of described first choice of equipment as described first equipment according to the load balancing principle;

The mapping relations that described Section Point is set up and preserved the group information and described the 3rd node identification of described first equipment.

12. according to Claim 8 or the method for 9 or 10 described selection service nodes, it is characterized in that described Section Point obtains before the mapping relations of the group information of equipment and the 3rd node identification, described method also comprises:

Described Section Point is set up the group information of first equipment and the mapping relations of described Section Point sign, described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering, and described Section Point is that described first node is the first selected service node of described first equipment;

Described Section Point sends described mapping relations to the first node that described Section Point connects, and is first service node that belongs to the equipment of described group so that described first node is determined described Section Point.

13. the method for selection service node according to claim 12 is characterized in that, described Section Point is set up and is preserved before the mapping relations of the group information of described first equipment and described the 3rd node identification, and described method also comprises:

Described Section Point obtains the subscription data of described first equipment;

If described subscription data comprises the group information of described first equipment and the mapping relations between first service node, and the sign of first service node that comprises at described subscription data and the sign of described Section Point are not simultaneously, send denial of service information to described first node, carry the sign of first service node that described subscription data comprises in the described denial of service information, the sign of first service node that comprises according to described subscription data for described first node connects with corresponding first service node.

14. according to Claim 8 or the method for 9 or 10 described selection service nodes, it is characterized in that described Section Point determines that described the 3rd node is to belong to after second service node of equipment of described group, described method also comprises:

Described Section Point is the deletion first information when second equipment is initiated the attachment removal flow process, and the described first node that indication is connected with described Section Point is deleted the described first information; Described second equipment is to belong to described group and equipment that last has adhered to; The described first information is the relevant information of described second equipment and the relevant information of the affiliated group of described second equipment.

15. a network node is characterized in that, comprising:

The mapping relations acquisition module is used to the group information of the equipment that obtains and the mapping relations of Section Point sign;

The service node determination module is used for the described mapping relations obtained according to described mapping relations acquisition module, determines that described Section Point is the service node of the equipment of described group, and described service node is used for the equipment that belongs to described group is managed.

16. network node according to claim 15 is characterized in that, described mapping relations acquisition module comprises dispensing unit or first receiving element or second receiving element:

Described dispensing unit is used to dispose described mapping relations;

Described first receiving element is used to receive and preserve the described mapping relations that first node that first equipment connects sends, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering;

Described second receiving element is used to receive and preserve the described mapping relations that described Section Point sends.

17. network node according to claim 15 is characterized in that, described mapping relations acquisition module comprises:

The load balancing selected cell is used for according to the load balancing principle, is the service node of the described Section Point of first choice of equipment as described first equipment, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering;

The mapping relations acquiring unit is used for after described load balancing selected cell is selected the service node of described Section Point as described first equipment, sets up and preserve the group information of described first equipment and the mapping relations of described Section Point sign.

18. network node according to claim 17 is characterized in that, described network node also comprises:

The mapping relations sending module, be used for after described mapping relations acquisition module obtains described mapping relations, the first node that connects to described Section Point sends described mapping relations, the first node that connects for described Section Point determines that according to described mapping relations described Section Point is the service node that belongs to the equipment of described group.

19. network node according to claim 17 is characterized in that, described network node also comprises:

The group information acquisition module, be used to receive the group information of described first equipment that described first equipment sends, perhaps, be used for obtaining the group information of described first equipment, so that the group information of described first equipment and the mapping relations of described Section Point sign are set up and preserved to described mapping relations acquiring unit to described Section Point.

20. a network node is characterized in that, described network node comprises:

The mapping relations acquisition module is used to the mapping relations of the group information and the 3rd node identification of the equipment that obtains;

The service node determination module is used for the described mapping relations obtained according to described mapping relations acquisition module, determines that described the 3rd node is second service node that belongs to the equipment of described group;

Administration module is used for the equipment that belongs to described group is managed.

21. network node according to claim 20 is characterized in that, described mapping relations acquisition module comprises:

The group information acquiring unit is used to obtain the group information of first equipment, and described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering;

The load balancing selected cell is used for according to the load balancing principle, is second service node of described the 3rd node of described first choice of equipment as described first equipment;

The mapping relations acquiring unit, the sign that is used for the group information and described the 3rd node that described load balancing selected cell is selected of described first equipment that obtains according to described group information acquiring unit, the mapping relations of setting up and preserving the group information and described the 3rd node identification of described first equipment.

22. network node according to claim 20 is characterized in that, described network node also comprises:

Set up module, be used to the group information of first equipment of setting up and the mapping relations of Section Point sign, described first equipment is to belong to the equipment that described mapping relations are set up in described group and first triggering, and described Section Point is that described first node is the first selected service node of described first equipment;

Sending module, the first node that is used for connecting to described Section Point send the described described mapping relations that module is set up of setting up, and are first service node that belongs to the equipment of described group so that described first node is determined described Section Point.

23. network node according to claim 22, described network node also comprises:

The subscription data acquisition module is used to obtain the subscription data of described first equipment;

The denial of service module, comprise the group information of described first equipment and the mapping relations between first service node if be used for described subscription data, and the sign of first service node that comprises at described subscription data and the sign of described Section Point are not simultaneously, send denial of service information to described first node, carry the sign of first service node that described subscription data comprises in the described denial of service information, the sign of first service node that comprises according to described subscription data for described first node connects with corresponding first service node.

24. network node according to claim 20 is characterized in that, described network node also comprises:

The group information removing module is used for the deletion first information when second equipment is initiated the attachment removal flow process, and the described first node that indication is connected with described Section Point is deleted the described first information; Described second equipment is to belong to described group and equipment that last has adhered to; The described first information is the relevant information of described second equipment and the relevant information of the affiliated group of described second equipment.

25. a communication system is characterized in that, comprising:

First node is used to the group information of the equipment that obtains and first mapping relations of Section Point sign, according to described first mapping relations, determines that described Section Point is first service node that belongs to the equipment of described group;

Section Point is used to second mapping relations of the group information and the 3rd node identification of the equipment that obtains, and according to described second mapping relations, determines that described the 3rd node is second service node that belongs to the equipment of described group;

Described first service node and described second service node are used for the equipment that belongs to described group is managed.

Images