CN103974219B

CN103974219B - The distribution of a kind of group of charging identifier and delivery method, group charging identifier processing entities

Info

Publication number: CN103974219B
Application number: CN201310027470.2A
Authority: CN
Inventors: 刘晴; 谢宝国
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2013-01-24
Filing date: 2013-01-24
Publication date: 2019-08-13
Anticipated expiration: 2033-01-24
Also published as: CN103974219A

Abstract

The invention discloses the distribution of a kind of group of charging identifier and delivery methods, group charging identifier processing entities, method includes: after a group charging identifier processing entities receive request message, according to information relevant to the group communication service of this machine type communication (MTC) in the request message, inquiry whether there is allocated group of charging identifier (GCID) corresponding with this MTC group communication service；When not inquiring GCID corresponding with this MTC group communication service, new GCID is distributed for this MTC group communication service, and forward other network elements involved in GCID to this MTC group communication service.By means of the invention it is possible to realize effectively distributing and issue for group charging identifier, and guarantee that unique group of charging identifier of distribution can be associated with the group CDR generated with different network elements involved in a chargeable event.

Description

The distribution of a kind of group of charging identifier and delivery method, group charging identifier processing entities

Technical field

The present invention relates to machine type communication (MTC, Machine Type Communication) technical fields, especially relate to And distribution and the delivery method, group charging identifier processing entities of a kind of group of charging identifier.

Background technique

The communication of machine to machine (M2M, Machine to Machine), also referred to as MTC communication are a kind of machine terminals with Communication between machine terminal or machine terminal and machine type application server.MTC communication can be widely applied to traffic (such as Logistic Scheduling, location navigation), electric power (such as remote meter reading, load monitoring), city management (such as elevator monitoring, Street lamps control) with And household (such as old man's nurse, household safety-protection) etc., it can be communicated by the network of operator.

Fig. 1 is the mobile network architecture schematic diagram of MTC communication in the prior art, it be with the grouping system of evolution (EPS, Evolved Packet System) and general packet radio service technology (GPRS, General Packet Radio Service) as the bearer network of bottom.Network element in Fig. 1 mainly includes two parts: mobile network feature network element, MTC service Functional network element.

Wherein, mobile network feature network element includes: Serving GPRS Support Node (SGSN, Serving General Packet Radio Service Support Node), Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node), mobility management entity (MME, Mobility Management Entity), gateway (SGW, Serving GateWay), packet data network gateway (PGW, Packet Data Network GateWay), home subscriber server (HSS, Home Subscriber Server), charging data function (CDF, Charging Data Function) and charging gateway function Energy (CGF, Charging Gateway Function) etc..

MTC service functional network element includes: MTC interoperability functional entity (MTC-IWF, MTC-InterWorking Function), service capability server (SCS, Services Capability Server) and MTC terminal (MTC Device)。

After MTC communication extensive use, the quantity of MTC terminal will lead to considerably beyond the quantity of ordinary terminal.In order to It saves Internet resources and simplifies the management of MTC terminal, all MTC terminals under a user would generally be divided into one by operator A group, or multiple MTC terminals with identical MTC attribute are divided into a group, and altogether for terminal distribution one in group Same group identifies (Group ID), which identifies for uniquely distinguishing different MTC terminal groups in the whole network, will be in same group MTC terminal regards an entirety as, realizes data sharing and whole management.For example, carrying out a group charging pipe to the communication of MTC terminal Reason.When same group of terminal carries out MTC communication, the charging message of terminal in network side acquisition group, and be chargeable event based on group Generation group ticket (CDR, Charging Data Record), rather than be that chargeable event generates list based on each MTC terminal A CDR.In addition, in MTC communication, it is also necessary to according to group charging identifier be associated with out with once can charging MTC group communication behavior The group CDR that involved different network elements (such as MME/SGSN, PGW/GGSN and IWF) generate.This is beneficial to reduce CDR generation Quantity, avoid charging signaling it is frequent transmission Internet resources are caused to consume, and be single MTC terminal charging generate sea Amount CDR causes a large amount of occupancy and the decline of processing capacity of charging network element storage resource, helps to improve the effect of MTC group charging Rate.

In the prior art, such as in the packet-based core networks (EPC) of evolution, by PGW in creation EPS bearer context Meanwhile a charging identifier is generated for default bearing, and carry the charging identifier in the response message and return to SGW, charging system System can be associated with out with once can the CDR that generates of different network elements involved by charging communication behavior according to charging identifier.However, In some scene of MTC group communication, the generation of charging identifier is organized, distribute and issues that there are some problems:

One, some communication services of MTC may by signaling plane, from MME directly to IWF send or receive service request and Data packet (such as Small Data business), therefore charging is also wanted for MTC signaling in operator needs, need MME or IWF Also there is charging identifier generative capacity；

Two, when there is multiple terminals to be respectively connected in group, to different signaling plane network elements, (such as MTC terminal resides in different MME), when and sending MTC service request to different signaling plane network elements, it is possible to be multiple groups of meters of the same MTC group traffic assignments Take mark, such charge system can not be identified according to multiple groups of charging identifier with group terminal carry out it is same once can charging MTC group communication service；Therefore, how to keep the group charging identifier for organizing terminal together uniquely to distribute in different signaling plane network elements and be total to It enjoys, it is most important for charge system；

Three, when the network element of signaling plane (such as MME or IWF) and Media Gateway (such as PGW) have the energy of distribution group charging identifier When power, how to solve to organize the uniquely generated and shared of charging identifier between each network element, enable the unique group of charging identifier The group CDR that association is generated with different network elements involved in chargeable event, it is also particularly significant for charge system.

Based on the above reasons, need to propose the distribution and delivery method of a kind of group of charging identifier, the group applied to MTC service Charging enables charge system to obtain sufficiently effective information, identifies MTC group service charging information.However, the prior art also without Method provides the solution that can reach above-mentioned purpose.

Summary of the invention

In view of this, the main purpose of the present invention is to provide the distribution of a kind of group of charging identifier and delivery methods, group meter Take mark processing entities, effectively distributing and issuing with realization group charging identifier, and guarantee unique group of charging identifier of distribution The group CDR generated with different network elements involved in a chargeable event can be associated with.

In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:

The present invention provides the distribution of a kind of group of charging identifier and delivery methods, this method comprises:

Group charging identifier processing entities receive request message after, according in the request message with this machine type communication The relevant information of MTC group communication service, inquiry whether there is allocated group of charging mark corresponding with this MTC group communication service Know GCID；

When not inquiring GCID corresponding with this MTC group communication service, new for this MTC group communication service distribution GCID, and forward other network elements involved in GCID to this MTC group communication service.

According to information relevant to this MTC group communication service in the request message, inquiry whether there is and this MTC The corresponding allocated GCID of group communication service, comprising:

According to information relevant to this MTC group communication service in the request message, inquire at described group of charging identifier Whether reason entity locally stores allocated GCID corresponding with this MTC group communication service；And/or inquiry home subscriber Whether with this MTC group communication service corresponding allocated GCID is stored in server HSS.

This method further include:

When described group of charging identifier processing entities are communicated according in the request message with this machine type communication MTC group Business relevant information when inquiring GCID corresponding with this MTC group communication service, is locally stored the GCID inquired and turns Send out other network elements involved in GCID to this MTC group communication service.

The request message is business request information or bearer update request message.

This method further comprises: after described group of charging identifier processing entities distribute new GCID, by newly assigned GCID It is sent to HSS, the HSS saves the newly assigned GCID in the signing information with corresponding terminal.

This method further comprises: the HSS receive it is that more than two groups of charging identifier processing entities are sent and this When the corresponding difference GCID of MTC group communication service, HSS selects one of GCID as this MTC group communication service GCID, and described group of charging identifier processing entities is notified to update GCID, what described group of charging identifier processing entities selected HSS GCID of the GCID as this MTC communication business.

Described group of charging identifier processing entities are mobility management entity MME, service universal packet wireless business is engaged in Zhi Chijie Point SGSN, interoperability functional entity IWF, packet data network gateway PGW or ggsn GGSN.

Other described network elements are MME, SGSN, IWF, PGW, GGSN or HSS.

The present invention also provides a kind of group of charging identifier processing entities, comprising: enquiry module, processing module and storage forwarding Module, wherein

The enquiry module, for leading to according in the request message with this machine type after receiving request message Believe the relevant information of MTC group communication service, inquiry whether there is allocated group of charging corresponding with this MTC group communication service Mark GCID notifies the storage forwarding module when inquiring GCID corresponding with this MTC group communication service；It is not looking into When asking GCID corresponding with this MTC group communication service, the processing module is notified；

The processing module is new for this MTC group communication service distribution for the notification message according to the enquiry module GCID, and send the storage forwarding module for newly assigned GCID, the storage forwarding module notified to store and forward To other network elements involved in this MTC group communication service；

The GCID inquired is locally stored for the notification message according to the enquiry module in the storage forwarding module And forward other network elements involved in GCID to this MTC group communication service；Alternatively, being disappeared according to the notice of the processing module Breath is locally stored newly assigned GCID and forwards other network elements involved in GCID to this MTC group communication service.

The enquiry module is further used for, according to letter relevant to this MTC group communication service in the request message Breath, inquire described group of charging identifier processing entities locally whether store it is corresponding allocated with this MTC group communication service GCID；And/or whether stored in inquiry home subscriber server HSS corresponding allocated with this MTC group communication service GCID。

The storage forwarding module is further used for, and newly assigned GCID is sent to HSS, and the HSS is notified to save institute Newly assigned GCID is stated into the signing information with corresponding terminal.

The HSS receives the opposite with this MTC group communication service of more than two groups of charging identifier processing entities transmissions When the different GCID answered, HSS selects one of GCID as the GCID of this MTC group communication service, and notifies described group of meter Take mark processing entities and update GCID, the GCID that described group of charging identifier processing entities select HSS is as this MTC communication industry The GCID of business.

Other described network elements are MME, SGSN, IWF, PGW, GGSN or HSS.

The distribution of a kind of group of charging identifier provided by the present invention and delivery method, group charging identifier processing entities, can Realization group charging identifier transmits between the different network elements in the whole network, and guarantees in the whole network uniquely, to enable charge system according to only One group charging identifier identify with group terminal carry out it is same once can charging MTC group communication service, to be associated with out same It is secondary can the group CDR charging data record of different network elements that is related to of charging communication behavior, can be improved the efficiency of MTC group charging.

Detailed description of the invention

Fig. 1 is the mobile network architecture schematic diagram of MTC communication in the prior art；

Fig. 2 is the flow chart of the distribution and delivery method of a kind of group of charging identifier of the embodiment of the present invention；

Fig. 3 is the flow chart of the embodiment of the present invention one, distributes GCID by identical MME/SGSN in the present embodiment, and issue To IWF；

Fig. 4 is the flow chart of the embodiment of the present invention two, distributes GCID by identical MME/SGSN in the present embodiment, and issue To PGW；

Fig. 5 is the flow chart of the embodiment of the present invention three, and the present embodiment is directed under the scene that endless accesses simultaneously by difference MME/SGSN distribute GCID；

Fig. 6 is the flow chart of the embodiment of the present invention four, and the present embodiment, which is directed to, to be had under terminal while the scene of access by difference MME/SGSN distribute GCID；

Fig. 7 is the flow chart of the embodiment of the present invention five, and the present embodiment is directed under the identical scene of terminal communication path by PGW Distribute GCID；

Fig. 8 is the flow chart of the embodiment of the present invention six, and the present embodiment is directed under the different scene of terminal communication path by PGW Distribute GCID；

Fig. 9 is the flow chart of the embodiment of the present invention seven, and the present embodiment sends the upper of service request to IWF for MTC terminal GCID is distributed by IWF under row data communication scenes；

Figure 10 is the flow chart of the embodiment of the present invention eight, and the present embodiment sends the lower line number of service request for MTC terminal GCID is distributed by IWF according under communication scenes；

Figure 11 is the structural schematic diagram of a kind of group of charging identifier processing entities of the embodiment of the present invention.

Specific embodiment

The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.

The distribution of a kind of group of charging identifier provided in an embodiment of the present invention and delivery method, as shown in Fig. 2, specifically including that

Step 201, group charging identifier processing entities receive request message after, according in the request message with this MTC The relevant information of group communication service, inquiry whether there is allocated group of charging identifier corresponding with this MTC group communication service (GCID, Group Charging Identity), if inquire with corresponding group of charging identifier of this MTC group communication service, Then follow the steps 202；If do not inquire with corresponding group of charging identifier of this MTC group communication service, then follow the steps 203.

Wherein, according to information relevant to this MTC group communication service in request message, inquiry whether there is and this The corresponding allocated group of charging identifier of MTC group communication service, comprising:

According to information relevant to this MTC group communication service in the request message, the processing of inquiry group charging identifier is real Whether body locally stores allocated group of charging identifier corresponding with this MTC group communication service；And/or it is in inquiry HSS It is no to store allocated group of charging identifier corresponding with this MTC group communication service.

The request message can be business request information or bearer update request message.

It include that MTC group identifies (Group Id) in the relevant information of the MTC group communication service, it further, can be with It comprises at least one of the following: MTC terminal mark, MTC service type identification, MTC group type of service mark etc..Certainly, of the invention It is also not limited in embodiment including these information.

It should be noted that may also can carry a group charging identifier in the request message, such case shows the group meter Expense mark is to be generated and forwarded by other network elements, or forwarded by HSS.

Step 202, it is locally stored the group charging identifier inquired, and forwarding group charging identifier is to this MTC group communication industry Other network elements involved in being engaged in.

Step 203, new group charging identifier is distributed for this MTC group communication service, and forwarding group charging identifier arrives this Other network elements involved in the communication service of MTC group.

The embodiment of the present invention is not specifically limited the generating mode of group charging identifier, organizes the form of expression of charging identifier Be not specifically limited, actually answer in any group charging identifier generating mode for being applicable in the embodiment of the present invention and the form of expression should be all Belong to the protection scope of the embodiment of the present invention.

Preferably, newly assigned group of charging identifier is sent out after group charging identifier processing entities distribute new group charging identifier HSS is given, HSS saves the newly assigned group of charging identifier in the signing information with corresponding terminal.

Further, HSS receive that more than two groups of charging identifier processing entities send with this MTC group communication service When corresponding different group charging identifier, HSS selects group meter of one of group charging identifier as this MTC group communication service Take mark, and notify described group of charging identifier processing entities update group charging identifier, described group of charging identifier processing entities are by HSS Group charging identifier of the group charging identifier selected as this MTC communication business.

Group charging identifier processing entities in the embodiment of the present invention can be MME, SGSN, IWF, PGW or GGSN.The present invention Other network elements in embodiment can be MME, SGSN, IWF, PGW, GGSN or HSS.

It should be noted that it is same once can in the MTC group communication service of charging, all network elements for being related to (i.e. MME, SGSN, IWF, PGW, GGSN) it should be using unique group charging identifier generation group CDR；Charge system can according to this group of charging identifier Be associated with out with once can in the MTC group communication service of charging different network elements generation group CDR.

Combined with specific embodiments below to the distribution and delivery method further description of above-mentioned group of charging identifier.

In the embodiment of the present invention one, group charging identifier processing entities are MME/SGSN (MME or SGSN), the present embodiment Describing the MTC terminal belonged under the same MME/SGSN range, (i.e. UE1 and UE2 belong to identical MME/SGSN administration model In enclosing) when carrying out the communication service of MTC group, by the MME/SGSN distribution group charging identifier, and it is handed down to the scene of IWF.Wherein, UE1 and UE2 belongs to the same MTC group, possesses the information such as identical MTC attribute and MTC group mark.Fig. 3 is the embodiment of the present invention One flow chart, as shown in figure 3, the process specifically includes that

Step 301, UE1 sends business request information to MME/SGSN.

Wherein, in UE1 expression group first transmission MTC group communication service request terminal.

Step 302, after MME/SGSN receives business request information, the relevant information of MTC group communication service is therefrom obtained, Carry out the inquiry, distribution and storage of group charging identifier；

It wherein, include MTC group mark (Group Id) in the relevant information of above-mentioned MTC group communication service, further, also It may include following at least one: MTC terminal mark, MTC service type identification, MTC group type of service mark etc..Certainly, originally It is also not limited in embodiment including these information.

According to the relevant information of MTC group communication service carried in service request, MME/SGSN first inquires local network element In it is not stored with corresponding group of charging identifier of this MTC group charging communication service, then send query messages to HSS, inquire It is also not stored with corresponding group of charging identifier of this MTC group charging communication service in HSS, to be this MTC by MME/SGSN Group communication service distributes a unique group of new charging identifier, and is stored in local network element and HSS.

It should be noted that according to the unique group of charging identifier, charge system can be associated with out with once can charging The group CDR that different network elements involved by MTC group communication service generate.

Step 303, MME/SGSN sends business request information to IWF.

It is newly assigned with corresponding group of charging of this MTC group communication service that MME/SGSN is carried in business request information Mark, this group of charging identifier are stored in the local IWF.

Step 304, IWF returns to service response message to MME/SGSN.

Step 305, MME/SGSN returns to service response message to UE1.

Step 306, UE2 sends business request information to MME/SGSN.

Wherein, in UE2 expression group second transmission MTC group communication service request terminal.

The relevant information of MTC group communication service, including MTC group mark are carried in the business request information that UE2 is sent (Group Id) can also further be comprised at least one of the following: MTC terminal mark, MTC service type identification, MTC group Type of service mark etc..Certainly, it is also not limited in the present embodiment including these information.

Step 307, MME/SGSN receives business request information, therefrom obtains relevant to this MTC group communication service Information, inquiry is local have been stored and corresponding group of charging identifier of this MTC group communication service.

According to the relevant information of the MTC group communication service carried in service request, MME/SGSN has inquired local network element It is stored with corresponding group of charging identifier of this MTC group charging communication service, then do not need to HSS inquiry group charging identifier.

Step 308, MME/SGSN sends business request information to IWF.

Allocated group of charging identifier is carried in the business request information, it, can be with after IWF receives business request information The group charging identifier being locally stored is compared, and discovery is local to have stored this corresponding group of charging of MTC group communication service Mark, then without organizing charging identifier storage operation accordingly.

Step 309, IWF returns to service response message to MME/SGSN.

Step 310, MME/SGSN returns to service response message to UE2.

It should be noted that when the present embodiment only describes the progress MTC group communication service of two MTC terminals in same group, The process flow of group charging identifier；When multiple MTC terminals carry out the communication service of MTC group, organize the process flow of charging identifier also with The method of the present embodiment is similar, and details are not described herein again.

In the embodiment of the present invention two, group charging identifier processing entities are MME/SGSN, and the present embodiment describes to belong to MTC terminal (i.e. UE1 and UE2 belong in identical MME/SGSN compass of competency) under the same MME/SGSN range carries out When MTC group communication service, by the MME/SGSN distribution group charging identifier, and it is handed down to the scene of PGW/GGSN.Fig. 4 is this hair The flow chart of bright embodiment two, as shown in figure 4, the process specifically includes that

Step 401, UE1 sends business request information to MME/SGSN.

Step 402, after MME/SGSN receives business request information, the relevant information of MTC group communication service is therefrom obtained, Carry out the inquiry, distribution and storage of group charging identifier；

According to the relevant information of the MTC group communication service carried in service request, MME/SGSN first inquires local network element In it is not stored with corresponding group of charging identifier of this MTC group charging communication service, then send query messages to HSS, inquire It is also not stored with corresponding group of charging identifier of this MTC group charging communication service in HSS, to be this MTC by MME/SGSN Group communication service distributes a unique group of new charging identifier, and is stored in local network element and HSS.

Step 403, MME/SGSN sends bearer update request message to PGW/GGSN, and instruction PGW/GGSN is to carry out this The terminal UE 1 of MTC group communication service establishes carrying.

It is carried in the bearer update request message newly assigned with corresponding group of charging mark of this MTC group communication service Know, this group of charging identifier is stored in the local PGW/GGSN.

Step 404, PGW/GGSN returns to bearer update response message to MME/SGSN.

Step 405, MME/SGSN returns to service response message to UE1.

Step 406, UE2 sends business request information to MME/SGSN.

Step 407, MME/SGSN receives business request information, therefrom obtains relevant to this MTC group communication service Information, inquiring has been that this MTC group communication service is assigned with a group charging identifier.

Step 408, MME/SGSN sends bearer update request message to PGW/GGSN, and instruction PGW/GGSN is to carry out this The terminal UE 2 of MTC group communication service establishes carrying.

Allocated group of charging identifier is carried in the bearer update request message, PGW/GGSN receives the bearer update It after request message, can be compared with the group charging identifier being locally stored, discovery is local to have stored this MTC group communication industry It is engaged in corresponding group of charging identifier, then without organizing charging identifier storage operation accordingly.

Step 409, PGW/GGSN returns to bearer update response message to MME/SGSN.

Step 410, MME/SGSN returns to service response message to UE2.

In the embodiment of the present invention three, group charging identifier processing entities are MME/SGSN, and the present embodiment describes to belong to (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under different MME/SGSN ranges, and UE2 belongs to MME2/ In SGSN2 compass of competency) when carrying out the communication service of MTC group, by the interior first initiation group MTC communication business of group terminal (i.e. UE1 MME/SGSN (i.e. MME1/SGSN1) distribution group charging identifier where), and it is handed down to the scene of IWF.Wherein, UE1 and UE2 belongs to the same MTC group, possesses the information such as identical MTC attribute and MTC group mark.Fig. 5 is the stream of the embodiment of the present invention three Cheng Tu, as shown in figure 5, the process specifically includes that

Step 501, UE1 sends business request information to MME1/SGSN1.

Step 502, after MME1/SGSN1 receives business request information, the relevant letter of MTC group communication service is therefrom obtained Breath, carries out the inquiry, distribution and storage of group charging identifier；

According to the relevant information of the MTC group communication service carried in service request, MME1/SGSN1 first inquires local network It is not stored in member to be inquired with corresponding group of charging identifier of this MTC group charging communication service then to HSS transmission query messages It is also not stored with corresponding group of charging identifier of this MTC group charging communication service into HSS, to be this by MME1/SGSN1 MTC group communication service distributes a unique group of new charging identifier, and is stored in local network element and HSS.

Step 503, MME1/SGSN1 sends business request information to IWF.

It is newly assigned with corresponding group of meter of this MTC group communication service that MME1/SGSN1 is carried in business request information Take mark, this group of charging identifier is stored in the local IWF.

Step 504, IWF returns to service response message to MME1/SGSN1.

Step 505, MME1/SGSN1 returns to service response message to UE1.

Step 506, UE2 sends business request information to MME2/SGSN2.

Step 507, MME2/SGSN2 receives business request information, therefrom obtains related to this MTC group communication service Information, carry out the inquiry of group charging identifier, and not local search to corresponding group of meter of this MTC group communication service Take mark.

Step 508, MME2/SGSN2 sends query messages to HSS, inquires in HSS and exists and this MTC group communication industry It is engaged in corresponding group of charging identifier, therefore, HSS is to MME2/SGSN2 returning response message, wherein carrying the group charging inquired Mark, this group of charging identifier are stored in MME2/SGSN2,

Wherein, information relevant to this MTC group communication service is carried in above-mentioned query messages, includes in the information MTC group mark (Group Id) can also further comprise at least one of the following: MTC terminal mark, MTC service type mark Knowledge, MTC group type of service mark etc..Certainly, it is also not limited in the present embodiment including these information.

Step 509, MME2/SGSN2 sends business request information to IWF.

The allocated group charging identifier is carried in the business request information can after IWF receives business request information It is compared with the group charging identifier being locally stored, discovery is local to have stored this corresponding group of meter of MTC group communication service Take mark, then without organizing charging identifier storage operation accordingly.

Step 510, IWF returns to service response message to MME2/SGSN2.

Step 511, MME2/SGSN2 returns to service response message to UE2.

In the embodiment of the present invention four, group charging identifier processing entities are MME/SGSN, and the present embodiment describes to belong to (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under different MME/SGSN ranges, and UE2 belongs to MME2/ In SGSN2 compass of competency) when carrying out the communication service of MTC group, by the interior first initiation group MTC communication business of group terminal (i.e. UE1 MME/SGSN (i.e. MME1/SGSN1) generation group charging identifier where), and it is handed down to the scene of IWF.It needs to illustrate It is that the scene is the MTC group communication service scene of multiple terminals while initiating business request.I.e. in the present embodiment, description UE1 and UE2 sends business request information to the MME/SGSN at respective place simultaneously, and is distinguished by MME1/SGSN1 and MME2/SGSN2 For the scene of identical MTC group communication service generation group charging identifier.Wherein, UE1 and UE2 belongs to the same MTC group, possesses phase The information such as same MTC attribute and MTC group mark.Fig. 6 is the flow chart of the embodiment of the present invention four, as shown in fig. 6, the process is main Include:

Step 601a~b, UE1 send business request information to MME1/SGSN1, meanwhile, UE2 is sent to MME2/SGSN2 Business request information.

Wherein, UE1 and UE2 is indicated in the same MTC group terminal, while sending MTC group communication industry to different MME/SGSN The terminal of business request.

The relevant information of MTC group communication service is carried in the business request information；The MTC group communication service is related Information in include MTC group mark (Group Id) can also further comprise at least one of the following: MTC terminal identify, MTC service type identification, MTC group type of service mark etc..Certainly, it is also not limited in the present embodiment including these information.

Step 602a after MME1/SGSN1 receives business request information, therefrom obtains the relevant letter of MTC group communication service Breath, carries out the inquiry, distribution and storage of group charging identifier.

It include that MTC group identifies (Group Id) in the relevant information of the MTC group communication service, it further, can be with It comprises at least one of the following: MTC terminal mark, MTC service type identification, MTC group type of service mark etc..Certainly, this implementation It is also not limited in example including these information.

According to the relevant information of the MTC group communication service carried in service request, MME1/SGSN1 first inquires local network It is not stored in member to be inquired with corresponding group of charging identifier of this MTC group charging communication service then to HSS transmission query messages It is also not stored with corresponding group of charging identifier of this MTC group charging communication service into HSS, to be this by MME1/SGSN1 MTC group communication service distributes a new group charging identifier (such as generation group charging identifier 1), and is stored in local network element and HSS In.

Step 602b after MME2/SGSN2 receives business request information, therefrom obtains the relevant letter of MTC group communication service Breath, carries out the inquiry, distribution and storage of group charging identifier.

According to the relevant information of the MTC group communication service carried in service request, MME2/SGSN2 first inquires local network It is not stored in member to be inquired with corresponding group of charging identifier of this MTC group charging communication service then to HSS transmission query messages It is also not stored with corresponding group of charging identifier of this MTC group charging communication service into HSS, to be this by MME2/SGSN2 MTC group communication service distributes a new group charging identifier (such as generation group charging identifier 2), and is stored in local network element and HSS In.

It should be noted that step 602b and step 602a is carried out simultaneously, it is also identical to the process flow of group charging identifier. Therefore, the present embodiment description scene in, MME1/SGSN1, MME2/SGSN2 can not all be inquired local and HSS at and This corresponding group of charging identifier of MTC group communication service, so respectively identical MTC group communication service is assigned with a group Charging identifier: group charging identifier 1 and group charging identifier 2.

Step 603, charging identifier redundancy process flow is organized.

The mechanism of described group of charging identifier redundancy processing are as follows: HSS can sentence according to the relevant information of MTC group communication service The disconnected MTC group communication service initiated by different terminals belongs to a MTC group communication service, and for a MTC group communication Multiple groups of charging identifier of traffic assignments；Then HSS is according to local policy, for this MTC group communication service selection therein one A group of charging identifier as this MTC group communication service unique group of charging identifier and stored, will be under this group of charging identifier Issue different MME/SGSN；The group charging identifier that HSS is sent is replaced original group of charging identifier by MME/SGSN, as this Unique group of charging identifier of MTC group communication service.

Such as: in the present embodiment, due to MME1/SGSN1 do not inquired in local and HSS to MME2/SGSN2 it is related Group charging identifier, thus respectively identical MTC group communication service be assigned with group charging identifier 1 and group charging identifier 2；When The group charging identifier that MME1/SGSN1 and MME2/SGSN2 sends each self-generating is stored to HSS, and HSS discovery is logical with a MTC group When communication service has corresponded to two group charging identifier, redundancy processing is carried out；HSS will be this MTC group communication industry according to local policy Business selects unique group charging identifier of one of group charging identifier as this MTC group communication service, such as selection group charging mark Know the 1 unique group of charging identifier as this MTC group communication service；Then HSS by group charging identifier 1 return to MME1/SGSN1 and MME2/SGSN2.In MME1/SGSN1, stored group charging identifier 1 is identical as the group charging identifier 1 that HSS is returned, and takes Dai Houwu influences；In MME2/SGSN2, stored group charging identifier 2 phase different from the group charging identifier 1 that HSS is returned Together, then local is stored in the 1 substitution group charging identifier 2 of group charging identifier that HSS is returned.

After step 604~605, MME1/SGSN1 sends business request information to IWF, IWF returns to industry to MME1/SGSN1 Business response message.

Carried in the business request information after reunification with corresponding group of charging identifier of this MTC group communication service, i.e., Group charging identifier 1, and this group of charging identifier is stored in the local IWF.

After step 606~607, MME2/SGSN2 sends business request information to IWF, IWF returns to industry to MME2/SGSN2 Business response message.

Group charging identifier after reunification is carried in the business request information, i.e. group charging identifier 1, IWF receives business and asks It after seeking message, can be compared with the group charging identifier being locally stored, it is corresponding that discovery has stored this MTC group communication service Group charging identifier, thus without organize accordingly charging identifier storage operation.

Step 608, MME1/SGSN1 returns to service response message to UE1.

Step 609, MME2/SGSN2 returns to service response message to UE2.

It should be noted that the present embodiment only describes two MTC terminals (UE1 and UE2) in same group while carrying out MTC When group communication service, the generation, redundancy processing and allocation flow of charging identifier are organized；Multiple MTC terminals carry out the communication of MTC group simultaneously When business, the process flow for organizing charging identifier is also similar with the method for the present embodiment, and details are not described herein again.

In the embodiment of the present invention five, group charging identifier processing entities are PGW/GGSN, and the present embodiment describes to belong to (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under different MME/SGSN ranges, and UE2 belongs to MME2/ In SGSN2 compass of competency) when carrying out the communication service of MTC group, the distribution of the same PGW/GGSN as belonging to different MTC terminals is uniquely Group charging identifier, and by this group of charging identifier be handed down to MME/SGSN storage scene.It should be noted that under the scene The communication path of all terminals is identical, and as described in the present embodiment, all same group MTC terminals are indicated by MME/SGSN PGW/GGSN establishes bearing link for the communication service of MTC group and is communicated.Wherein, UE1 and UE2 belongs to the same MTC group, possesses The information such as identical MTC attribute and MTC group mark.Fig. 7 is the flow chart of the embodiment of the present invention five, as shown in fig. 7, process master Include:

Step 701, UE1 sends business request information to MME1/SGSN1.

The relevant information of MTC group communication service is carried in the business request information, including MTC group identifies (Group Id), further, can also comprise at least one of the following: MTC terminal mark, MTC service type identification, MTC group type of service Mark etc..Certainly, it is also not limited in the present embodiment including these information.

Step 702, MME1/SGSN1 sends bearer update request message to PGW/GGSN.

The relevant information of MTC group communication service, including MTC group mark are carried in the bearer update request message (Group Id) can also further be comprised at least one of the following: MTC terminal mark, MTC service type identification, MTC group Type of service mark etc..Certainly, it is also not limited in the present embodiment including these information.

Step 703, after PGW/GGSN receives bearer update request message, it is relevant therefrom to obtain the communication service of MTC group Information carries out the inquiry, distribution and storage of group charging identifier；

According to the relevant information of MTC group communication service carried in bearer update request message, PGW/GGSN inquires this It is not stored with corresponding group of charging identifier of this MTC group charging communication service in ground network element, then it is this MTC group by PGW/GGSN Communication service distributes a unique group of new charging identifier and is stored in local.

It should be noted that according to this group of charging identifier, charge system can be associated with out with once can the MTC group of charging lead to The group CDR that different network elements involved by communication service generate.

Step 704, PGW/GGSN returns to bearer update response message to MME1/SGSN1, wherein carrying as this MTC Unique group of charging identifier of group communication service distribution.

Step 705, the group charging identifier received is stored in local and HSS by MME1/SGSN1.

Step 706, MME1/SGSN1 returns to service response message to UE1.

Step 707, UE2 sends business request information to MME2/SGSN2.

Step 708, MME2/SGSN2 sends bearer update request message to PGW/GGSN.

Step 709, PGW/GGSN receives bearer update request message, according to the phase of the MTC group communication service wherein carried Close information, local search to corresponding group of charging identifier of this MTC group communication service.

Step 710, PGW/GGSN returns to bearer update response message to MME2/SGSN2.

Step 711, MME2/SGSN2 returns to service response message to UE2.

It should be noted that when the present embodiment only describes the progress MTC group communication service of two MTC terminals in same group, The process flow of group charging identifier；When multiple MTC device terminals carry out the communication service of MTC group, the process flow of charging identifier is organized Also similar with the method for the present embodiment, details are not described herein again.

In the embodiment of the present invention six, group charging identifier processing entities are PGW/GGSN, and the present embodiment describes to belong to (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under different MME/SGSN ranges, and UE2 belongs to MME2/ In SGSN2 compass of competency) when carrying out the communication service of MTC group, the distribution of the same PGW/GGSN as belonging to different MTC terminals is uniquely Group charging identifier, and by this group of charging identifier be handed down to MME/SGSN and IWF storage scene.It should be noted that this The communication path of terminal under scape is different, is to pass through PGW/GGSN as the present embodiment description belongs to the MTC terminal of MME1/SGSN1 Carrying communication is established for MTC group communication service, and the MTC terminal for belonging to MME2/SGSN2 is directly to send service request to IWF Message is communicated.Wherein, UE1 and UE2 belongs to the same MTC group, possesses the information such as identical MTC attribute and MTC group mark. Fig. 8 is the flow chart of the embodiment of the present invention six, as shown in figure 8, the process specifically includes that

Step 801, UE1 sends business request information to MME1/SGSN1.

Step 802, after MME1/SGSN1 receives business request information, the relevant letter of MTC group communication service is therefrom obtained Breath, carries out the inquiry of group charging identifier；

It include that MTC group identifies (Group Id) in the relevant information of the MTC group communication service, it further, can be with Include: MTC terminal mark, MTC service type identification, MTC group type of service mark etc., but is not limited to these types of information.

According to the relevant information of the MTC group communication service carried in service request, MME1/SGSN1 first inquires local network It is not stored in member to be inquired with corresponding group of charging identifier of this MTC group charging communication service then to HSS transmission query messages It is also not stored with corresponding group of charging identifier of this MTC group charging communication service into HSS.

Step 803, MME1/SGSN1 sends bearer update request message to PGW/GGSN.

The relevant information of MTC group communication service is carried in the bearer update request message, including MTC group identifies (Group Id), can also comprise at least one of the following: MTC terminal mark, MTC service type identification, MTC group type of service mark etc..When So, it is also not limited in the present embodiment including these information.

Step 804, after PGW/GGSN receives bearer update request message, it is relevant therefrom to obtain the communication service of MTC group Information carries out the inquiry, distribution and storage of group charging identifier；

Include that MTC group identifies (Group Id) in the relevant information of the MTC group communication service, can also include with down toward Few one kind: MTC terminal mark, MTC service type identification, MTC group type of service mark etc..Certainly, in the present embodiment also not It is only limitted to include these information.

According to the relevant information of the MTC group communication service carried in bearer update request message, PGW/GGSN inquires this It is not stored with corresponding group of charging identifier of this MTC group charging communication service in ground network element, then it is this MTC group by PGW/GGSN Communication service distributes a unique group of new charging identifier, and is stored in local.

Step 805, PGW/GGSN returns to bearer update response message to MME1/SGSN1, wherein carrying as this MTC Unique group of charging identifier of group communication service distribution.

Step 806, the group charging identifier received is stored in local and HSS by MME1/SGSN1.

Step 807, MME1/SGSN1 returns to service response message to UE1.

Step 808, UE2 sends business request information to MME2/SGSN2.

Step 809, MME2/SGSN2 receives business request information, therefrom obtains related to this MTC group communication service Information, carry out the inquiry of group charging identifier, and not local search to corresponding group of meter of this MTC group communication service Take mark；

Step 810, MME2/SGSN2 sends query messages to HSS, inquires to store in HSS and communicates with this MTC group Corresponding group of charging identifier of business, the group charging identifier that HSS is inquired are sent to MME2/SGSN2, this group of charging identifier storage In MME2/SGSN2.

Step 811, MME2/SGSN2 sends business request information to IWF, wherein carrying and this MTC group communication service Corresponding group of charging identifier；This group of charging identifier is stored in the local backward MME2/SGSN2 return service response of IWF and disappeared by IWF Breath.

Step 812, MME2/SGSN2 returns to service response message to UE2.

In the embodiment of the present invention seven, group charging identifier processing entities are IWF, and the present embodiment describes to belong to difference (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under MME/SGSN range, and UE2 belongs to MME2/SGSN2 administration In range) when carrying out the communication service of MTC group, charging identifier is uniquely organized in the distribution of the same IWF as belonging to different MTC terminals, And this group of charging identifier is handed down to the scene of different MME/SGSN storages.It should be noted that the scene be MTC terminal to IWF sends the upstream data communication scene of service request, and the communication path of terminal is not identical.As the present embodiment description belongs to The MTC terminal of MME1/SGSN1 is after carrying is established in the communication service of MTC group, to be communicated with IWF by PGW/GGSN；And belong to The MTC terminal of MME2/SGSN2 directly sends business request information to IWF and is communicated.Wherein, UE1 and UE2 belongs to same MTC group possesses the information such as identical MTC attribute and MTC group mark.Fig. 9 is the flow chart of the embodiment of the present invention seven, such as Fig. 9 institute Show, which specifically includes that

Step 901, UE1 sends business request information to MME1/SGSN1.

Step 902, after MME1/SGSN1 receives business request information, the relevant letter of MTC group communication service is therefrom obtained Breath, carries out the inquiry of group charging identifier；

It should be noted that MME/SGSN is not a group charging identifier processing entities in the present embodiment.Therefore, work as MME/ When SGSN is not inquired in local and HSS to this relevant group of charging identifier of MTC group communication service, asked to IWF transmission Ask message, and the group charging identifier needed for IWF distribution.

Step 903, MME1/SGSN1 sends business request information to IWF.

Step 904, after IWF receives business request information, the relevant information of MTC group communication service is therefrom obtained, is carried out Inquiry, distribution and the storage of group charging identifier；

According to the relevant information of the MTC group communication service carried in business request information, IWF inquire local network element and It is not stored with corresponding group of charging identifier of this MTC group charging communication service in HSS, then it is this MTC group communication industry by IWF One unique group of new charging identifier of business distribution, and be stored in local network element and HSS.

Step 905, IWF returns to service response message to MME1/SGSN1, wherein carrying as this MTC group communication service Unique group of charging identifier of distribution.

Step 906, MME1/SGSN1 will receive a group charging identifier and be stored in local.

Step 907, if UE need by PGW establish carrying with SCS carry out data communication, from MME1/SGSN1 to PGW/GGSN sends bearer update request message.

Carried in the bearer update request message with corresponding group of charging identifier of this MTC group communication service, This group of charging identifier is stored in local by PGW/GGSN.

Step 908, PGW/GGSN returns to bearer update response message to MME1/SGSN1.

Step 909, MME1/SGSN1 returns to service response message to UE1.

Step 910, UE2 sends business request information to MME2/SGSN2.

Step 911, MME2/SGSN2 receives business request information, therefrom obtains related to this MTC group communication service Information, carry out the inquiry of group charging identifier, and not local search to corresponding group of meter of this MTC group communication service Take mark；

Step 912, MME2/SGSN2 sends query messages to HSS, inquires to store in HSS and communicates with this MTC group This group of charging identifier is sent to MME2/SGSN2 by corresponding group of charging identifier of business, HSS, and MME2/SGSN2 storage receives Group charging identifier.

Step 913, after MME2/SGSN2 sends business request information to IWF, IWF returns to service response to MME2/SGSN2 Message.

It is carried in the business request information allocated with corresponding group of charging mark of this MTC group communication service Know, after IWF is received, can be compared with the group charging identifier being locally stored, discovery has stored this MTC group communication service Corresponding group of charging identifier is then operated without the storage of respective sets charging identifier.

Step 914, MME2/SGSN2 returns to service response message to UE2.

In the embodiment of the present invention eight, group charging identifier processing entities are IWF, and the present embodiment describes to belong to difference (i.e. UE1 belongs in MME1/SGSN1 compass of competency MTC terminal under MME/SGSN range, and UE2 belongs to MME2/SGSN2 administration In range) when carrying out the communication service of MTC group, charging identifier is uniquely organized in the distribution of the same IWF as belonging to different MTC terminals, And this group of charging identifier is handed down to the scene of different MME/SGSN storages.It should be noted that the scene is that IWF is received After the notice of SCS, the downlink data communication scene of service request is sent to MTC terminal.Wherein, UE1 and UE2 belongs to same MTC group possesses the information such as identical MTC attribute and MTC group mark.Figure 10 is the flow chart of the embodiment of the present invention eight, such as Figure 10 Shown, which specifically includes that

Step 1001SCS sends business request information to IWF

It should be noted that above-mentioned business request information can be intended for the business request information of all terminals in group, or Person is intended for the business request information of multiple terminals in group.

Step 1002, after IWF receives business request information, the relevant information of MTC group communication service is therefrom obtained, is carried out Inquiry, distribution and the storage of group charging identifier；

Step 1003, IWF sends business request information to MME1/SGSN1.

Wherein, the unique group of charging for this MTC group communication service distribution is also carried in the business request information Mark.

Step 1004, after MME1/SGSN1 receives group charging identifier, in locally stored network element.

Step 1005, MME1/SGSN1 sends business request information to UE1.

Step 1006, IWF sends business request information to MME2/SGSN2.

The unique group of charging identifier for this MTC group communication service distribution is also carried in the business request information.

It should be noted that the step can carry out simultaneously with step 1003, i.e. IWF can be simultaneously to different MTC terminals Affiliated MME/SGSN sends business request information, wherein carry have been allocated for it is relevant to this MTC group communication service Unique group charging identifier.

Step 1007, it after MME2/SGSN2 receives group charging identifier, is stored in local network element.

Step 1008, MME2/SGSN2 sends business request information to UE2.

The distribution of the group charging identifier of the corresponding embodiment of the present invention and delivery method, the embodiment of the present invention also provide a kind of group The structural schematic diagram of charging identifier processing entities, as shown in figure 11, the processing entities specifically include that enquiry module 10, processing mould Block 20 and storage forwarding module 30.It should be noted that the processing entities can be MME, SGSN, IWF, PGW or GGSN.

Wherein, enquiry module 10, it is logical with this MTC group for being obtained from request message after receiving request message The relevant information of communication service, inquiry whether there is allocated unique group of charging identifier corresponding with this MTC group communication service； If do not inquire with corresponding group of charging identifier of this MTC group communication service, notification processing module 20 be this MTC group communication One unique group of new charging identifier of traffic assignments；If inquire with corresponding group of charging identifier of this MTC group communication service, Notice storage forwarding module 30 stores this group of charging identifier and is transmitted to other network elements involved in this MTC group communication service；

Inquiry whether there is allocated unique group of charging identifier corresponding with this MTC group communication service, can pass through Following manner:

According to the information relevant to this MTC group communication service of acquisition, whether the local network element of inquiry stores and this Corresponding group of charging identifier of MTC group communication service；And/or the information relevant to this MTC group communication service according to acquisition, Query messages are sent to HSS, inquires in HSS and whether stores and corresponding group of charging identifier of this MTC group communication service.

Wherein, the request message can be business request information or bearer update request message.

Processing module 20, for dividing after the notification message for receiving enquiry module 10 for corresponding MTC group communication service Storage forwarding module 30, notice storage are forwarded to a unique group of new charging identifier, and by newly assigned group of charging identifier Forwarding module 30 stores and forwards this group of charging identifier；

The embodiment of the present invention is not specifically limited the method for salary distribution of group charging identifier, organizes the form of expression of charging identifier Be not specifically limited, actually answer in any group charging identifier method of salary distribution for being applicable in the embodiment of the present invention and the form of expression should be all Belong to the protection scope of the embodiment of the present invention.

Forwarding module 30 is stored, for after the notification message for receiving enquiry module 10, storage to be communicated with local MTC group Corresponding group of charging identifier of business, and this group of charging identifier is transmitted to other nets involved in this MTC group communication service Member；

Alternatively, storage forwarding module 30 after the notification message for receiving processing module 20, stores new point wherein carried Match with corresponding group of charging identifier of this MTC group communication service, and newly assigned group of charging identifier is transmitted to this MTC Other network elements involved in group communication service.

Preferably, storage forwarding module 30 is further used for, newly assigned group of charging identifier is sent to HSS, notifies institute It states HSS and saves the newly assigned group of charging identifier into the signing information with corresponding terminal；

Correspondingly, HSS receive that more than two groups of charging identifier processing entities send with this MTC group communication service phase When corresponding different group charging identifier, HSS selects group charging of one of group charging identifier as this MTC group communication service Mark, and notify described group of charging identifier processing entities update group charging identifier, described group of charging identifier processing entities select HSS Group charging identifier of the group charging identifier selected as this MTC communication business.

Wherein, other above-mentioned network elements can be MME, SGSN, IWF, PGW, GGSN or HSS.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims

1. distribution and the delivery method of a kind of group of charging identifier, which is characterized in that this method comprises:

Group charging identifier processing entities receive request message after, according in the request message with this machine type communication MTC The relevant information of group communication service, inquiry whether there is allocated group of charging identifier corresponding with this MTC group communication service GCID；

Wherein, described according to information relevant to this MTC group communication service in the request message, inquiry whether there is and this The corresponding allocated GCID of secondary MTC group communication service, comprising: according in the request message with this MTC group communication service Relevant information, inquire described group of charging identifier processing entities locally whether store it is corresponding with this MTC group communication service Allocated GCID；Alternatively, inquiring described group according to information relevant to this MTC group communication service in the request message Whether charging identifier processing entities locally store allocated GCID corresponding with this MTC group communication service, and inquire and return Belong in client server HSS and whether stores allocated GCID corresponding with this MTC group communication service；

2. organizing distribution and the delivery method of charging identifier according to claim 1, which is characterized in that this method further include:

When described group of charging identifier processing entities according in the request message with the MTC group communication service of this machine type communication The GCID inquired and forwarding is locally stored when inquiring GCID corresponding with this MTC group communication service in relevant information Other network elements involved in GCID to this MTC group communication service.

3. organizing distribution and the delivery method of charging identifier according to claim 1, which is characterized in that the request message is industry Business request message or bearer update request message.

4. organizing distribution and the delivery method of charging identifier according to claim 1, which is characterized in that this method is further wrapped It includes: after described group of charging identifier processing entities distribute new GCID, newly assigned GCID being sent to HSS, the HSS saves institute Newly assigned GCID is stated in the signing information with corresponding terminal.

5. organizing distribution and the delivery method of charging identifier according to claim 4, which is characterized in that this method is further wrapped Include: the HSS receives the corresponding not with this MTC group communication service of more than two groups of charging identifier processing entities transmissions When with GCID, HSS selects one of GCID as the GCID of this MTC group communication service, and notifies described group of charging identifier Processing entities update GCID, and the GCID that described group of charging identifier processing entities select HSS is as this MTC communication business GCID。

6. organizing distribution and the delivery method of charging identifier according to claim 1, which is characterized in that at described group of charging identifier Reason entity be mobility management entity MME, service universal grouping wireless business supporting node SGSN, interoperability functional entity IWF, Packet data network gateway PGW or ggsn GGSN.

7. organizing distribution and the delivery method of charging identifier according to claim 1, which is characterized in that other described network elements are MME, SGSN, IWF, PGW, GGSN or HSS.

8. a kind of group of charging identifier processing entities characterized by comprising enquiry module, processing module and storage forwarding module, Wherein,

The enquiry module, for after receiving request message, according in the request message with this machine type communication MTC The relevant information of group communication service, inquiry whether there is allocated group of charging identifier corresponding with this MTC group communication service GCID notifies the storage forwarding module when inquiring GCID corresponding with this MTC group communication service；It is not inquiring When GCID corresponding with this MTC group communication service, the processing module is notified；Wherein, described according in the request message Information relevant to this MTC group communication service, inquiry is with the presence or absence of corresponding allocated with this MTC group communication service GCID, comprising: according to information relevant to this MTC group communication service in the request message, inquire described group of charging identifier Whether processing entities locally store allocated GCID corresponding with this MTC group communication service；Alternatively, according to the request Information relevant to this MTC group communication service in message, inquires whether described group of charging identifier processing entities locally store Allocated GCID corresponding with this MTC group communication service, and inquire in home subscriber server HSS and whether store and this The corresponding allocated GCID of secondary MTC group communication service；

The processing module, for the notification message according to the enquiry module, new for this MTC group communication service distribution GCID, and the storage forwarding module is sent by newly assigned GCID, notify the storage forwarding module to store and be transmitted to Other network elements involved in this MTC group communication service；

The storage forwarding module is locally stored the GCID inquired and turns for the notification message according to the enquiry module Send out other network elements involved in GCID to this MTC group communication service；Alternatively, according to the notification message of the processing module, this Ground stores newly assigned GCID and forwards other network elements involved in GCID to this MTC group communication service.

9. organizing charging identifier processing entities according to claim 8, which is characterized in that the request message disappears for service request Breath or bearer update request message.

10. organizing charging identifier processing entities according to claim 8, which is characterized in that the storage forwarding module is further For newly assigned GCID to be sent to HSS, the HSS is notified to save the newly assigned GCID to the label with corresponding terminal About in information.

11. organizing charging identifier processing entities according to claim 8, which is characterized in that the HSS receives more than two groups When the different GCID corresponding from this MTC group communication service that charging identifier processing entities are sent, HSS selects one of them GCID of the GCID as this MTC group communication service, and described group of charging identifier processing entities is notified to update GCID, described group of meter Take the mark processing entities GCID that selects HSS as the GCID of this MTC communication business.

12. organizing charging identifier processing entities according to claim 8, which is characterized in that described group of charging identifier processing entities For mobility management entity MME, service universal grouping wireless business supporting node SGSN, interoperability functional entity IWF, packet count According to net gateway PGW or ggsn GGSN.

13. according to claim 8 organize charging identifier processing entities, which is characterized in that other described network elements be MME, SGSN, IWF, PGW, GGSN or HSS.