CN102413453B - A kind of shared method and system of MTC device Subscriber Number - Google Patents

Abstract

The invention discloses the shared method of a kind of machine type communication (MTC) equipment user number, comprising: logical functional entity MTC IWF (IWF) is set; During MTC device access visited place Access Network, MTC? IWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons; MTC? IWF to External Number and the private number table of comparisons, carries out route to the business of MTC device according to MTC device.By the present invention, when can solve as MTC device distribution mobile terminal international number (MSISDN), the problem of MSISDN inadequate resource.

Description

A kind of shared method and system of MTC device Subscriber Number

Technical field

The present invention relates to communication (M2M) technology between machine to machine, refer to the shared method and system of a kind of machine type communication (MTC) equipment user number especially.

Background technology

In recent years, M2M (MachinetoMachine, the communication between machine to machine) business starts to be applied, as application such as logistics system, remote meter reading, Smart Homes gradually.M2M service provider uses existing wireless network, as GPRS (GeneralPacketRadioservice, GPRS) packet switching (PS) network such as network, EPS (EvolvedPacketSystem, evolved packet system) network carries out M2M business.

M2M business is with the application of the machine terminal intelligent interaction networking that is core and service, it adopts intelligent machine terminal, by wireless network transmissions information, for the informatization resolve scheme that client provides, for meeting the information system requirement of client to aspects such as monitoring, command scheduling, data acquisition and measurements.

The communication object of M2M is Machine To Machine, can be the communication between human and computer, communication between machine and server, communication between different intelligent terminal.MTC (the Machine-TypeCommunications of different application, machine type communication) equipment has different characteristics, as the lifter apparatus such as elevator have Hypomobility, PSonly attribute, and monitor, alert device except there is Hypomobility, PSonly attribute, also there is the attributes such as low transfer of data and high availability.Therefore, need the MTC device for different application to carry out different system optimizations, effectively can manage MTC device, monitor, paying etc.

Fig. 1 is the system architecture diagram of existing LTE network communication, E-UTRAN (EvolvedRadioAccessNetwork in figure, evolved universal terrestrial radio access network) in the network element that comprises be eNodeB (EvolvedNodeB, enode b), provide Radio Resource for the access for user; PDN (PacketDataNetwork, Packet Data Network) is for user provides the network of business; EPS (EvolvedPacketSystem, evolved packet system) provides lower delay, and allows more wireless access system to access, and it comprises following network element:

MME (MobilityManagementEntity, mobile management entity), it is chain of command functional entity, the server of interim storage user data, be in charge of and store the context (such as user ID, mobility management states, user security parameters etc.) of UE (UserEquipment, subscriber equipment), for user distributes temporary mark, when UE quarters at this tracing area or this network, be responsible for carrying out authentication to this user.

S-GW (ServingGateway, gateway) is a user entity, is responsible for user face data route processing, and termination is in the downlink data of the UE of free time (ECM_IDLE) state.The EPS of management and storage UE carries (bearer) context, such as IP bearer service parameter and network internal routing iinformation etc.S-GW is the anchor point in 3GPP internal system user face, and a user can only have a S-GW a moment.

P-GW (PDNGateway, packet data network gateway), be the gateway that responsible UE accesses PDN, distributing user IP address is also the mobility anchor point of 3GPP and non-3 GPP access system, and the function of P-GW also comprises strategy enforcement, charging support.User can access multiple P-GW at synchronization.PCEF (PolicyandChargingEnforcementFunction, functional entity is implemented in strategy and charging) is also arranged in P-GW.

PCRF is responsible for providing policy control and charging regulation to PCEF (PolicyandChargingEnforcementFunction, strategy and charging execution function entity).

HSS (HomeSubscriberServer, home subscriber server), be responsible for permanent storage user contracting data, the content that HSS stores comprises the IMSI (InternationalMobileSubscriberIdentification of terminal, international mobile subscriber identity), the IP address of MSISDN (MobileStationInternationalISDNNumber, mobile terminal international number) and P-GW.

Physically, S-GW and P-GW may unify, and EPS user veil unit comprises S-GW and P-GW.

MTCServer (MachineTypeCommunicationServer, machine type communication server), be be the newly-increased network element of M2M application, primary responsibility to work such as the information gathering of MTC device and data stores/processes, and can carry out necessary management to MTC device.

MTC device (MachineTypeCommunicationDevice, equipment for machine type communication), it is the terminal that M2M business uses, similar with UE, also UICC and ME is comprised, usually be responsible for collecting some collectors information and by RAN node access EPS network, and with MTCServer interaction data.

In FIG, MTC device needs by EPS network to MTCServer or other MTC device transmitting data information.EPS network is this time transmit GTP (GPRSTunnellingProtocol, the GPRS Tunnel Protocol) tunnel set up between S-GW and P-GW, and data message realizes transmitting by GTP tunnel.

Fig. 2 is that in prior art, MTC device is linked into EPS network (visited place Access Network), performs the process of network attachment, IP carrying foundation.

Step 201, MTC device, in order to access visited place Access Network, initiates network attachment request to eNodeB, carries the IMSI of MTC device and network accessibility and the information such as instruction for MTC device distributing IP wherein;

Step 202, eNodeB is that MTC device selects a MME served for it, and will adhere to request forward to this MME;

Step 203, MME sends authorization data request message (carrying the IMSI of MTC device) to the HSS of MTC device belonging area network, first HSS judges contracted user's data that IMSI is corresponding, be put on the blacklist less than any signing or IMSI if searched, then HSS returns authorization data to MME and responds and carry suitable error reason; If the contracted user's data finding IMSI corresponding, then HSS returns authorization data response to MME, comprises authentication vector;

MME performs authorizing procedure to verify the legitimacy of the IMSI of MTC device, and performs safe mode flow process to enable secure connection.

Step 204, MME sends position updating request to HSS, carries the mark of MME and the IMSI of MTC device in message;

Step 205, HSS finds out corresponding contracted user's data according to the IMSI of MTC device, inserts message send to MME by user data.The information such as the MSISDN of APN (AccessPointName, default access point title), amount of bandwidth and MTC device are mainly comprised in contracted user's data;

MME returns response to HSS after receiving contracted user's data.

Step 206, when HSS determines to allow MTC device access visited place Access Network, position is when being updated successfully, and HSS sends location updating response to MME;

Step 207, MME is that UE selects a S-GW, and sends establishment default bearer request to it.In this request, MME informs the necessary information of S-GW, comprising: the IP address etc. of the mark of IMSI, MME of MTC device, the instruction for MTC device distributing IP address, default bandwidth information and P-GW;

Step 208, S-GW forwards to P-GW and creates default bearer request.In this request, S-GW informs the necessary information of P-GW, comprising: the IP address of S-GW, default bandwidth information and the instruction etc. for MTC device distributing IP address;

Step 209, if necessary, the PCC strategy that P-GW configures to PCRF request for MTC device;

Step 210, P-GW is the PCC strategy that MTC device distributing IP address and/or P-GW return according to PCRF, sets up default bearer, and returns the response of establishment default bearing to S-GW;

Step 211, S-GW sends to MME and creates default bearing response;

Step 212, MME sends attachment response to eNodeB, shows that the request that MTC device is attached to network is accepted, carries IP address and the TEID (TunnelEndpointIdentifier, tunnel port-mark) of S-GW in this attachment response;

Step 213, eNodeB sends carrying to MTC device and sets up request, requires the important information that MTC device preservation carrying is set up, and open corresponding port.Set up in request at this voice bearer and carry: the IP address of bearer network ID, P-GW, distribute to the IP address, bandwidth information etc. of MTC device;

Step 214, MTC device sends carrying to eNodeB and sets up response;

Step 215, the process that eNodeB notice MME:MTC equipment is attached to EPS network completes;

Step 216, MME sends more new bearer request to S-GW, and the mark of the eNodeB served for UE and IP address are informed S-GW;

Step 217, S-GW sends more new bearer response to MME;

Step 218, specifies if P-GW is not HSS, then MME also needs to send position updating request to HSS, and inform the address information of the P-GW that HSS serves for UE, HSS upgrades this information.

Apply for numerous M2M, the communication between MTC device and MTC server, Virtual network operator adopts the mode of poll usually, so that the control that MTC user accesses MTC device.In the non-access stage, MTC device without the need to access network, or is connected with the PDP between network, to save Internet resources without the need to setting up.When needs transmission data time, by trigger instruction (TiggerIndication), MTC server notifies that MTC device activates, and set up the connection between MTC server.Current trigger instruction passes to MTC device mainly through the mode of short message.

Fig. 3 is SMS service system Organization Chart, in figure:

SC (ShortMessageServiceCentre, Short Message Service Center) primary responsibility short message, short message buffer memory and acceptance also forward the short message that third party sends, as accepted the short message from MTC server in present case;

SMS-GMSC (GatewayMSCForShortMessageService, short message service gateway), SC and PLMN (PublicLandsMobileNetwork is provided, public land mobile communication network) connecting interface, receive the short message from SC, search short message to HSS and deliver route, and deliver short message to the network at MTC device place;

SMS-IWMSC (InterworkingMSCForShortMessageService, short message intercommunication gateway), primary responsibility receives the short message from PLMN and is forwarded to object SC;

IP-SM-GW (IP-Short-Message-Gateway, IP short messaging gateway), protocol interaction between the IP-based MTC device of primary responsibility and SC;

Wherein, SC, SMS-GMSC, SMS-IWMSC and IP-SM-GW can be referred to as the Service Gateway of short message service.

MSC (Mobile-servicesSwitchingCentre, mobile services switching centre), major deployments, in MTC device visited place, receives the short message that MTC device is put forward, is forwarded to SMS-IWMSC; Receive the short message that SMS-GMSC sends, MSC duty pager MTC device, and short message is sent to MTC device.

Figure 4 shows that and adopt the short message service of existing network technology to exhale flow process eventually, under this flow process mainly describes disconnected shape, MTC server passes to MTC device by the mode of short message trigger instruction.Because current state is notconnect state, use IMS (IPMultimediaSubsystem, IP Multimedia System) mode transmission to be infeasible, present case adopts LTE network short message conveying flow to be described.

Step 401.MTC equipment carries out co-location renewal in LTE network, and is successfully updated to MSC, and MSC preserves the current positional information of MTC device, and the IMSI of MTC device.Migration efficiency according to MTC device is arranged, and does not set up PDP and connects, to save Internet resources, wait the trigger received from MTC server to indicate after MTC device attachment, triggers and sets up PDP connection to receive and to send MTC related data.

Step 402.MTC server sends SMS message to SC and carries trigger instruction, and destination address is the Mobile Subscriber International ISDN Number of MTC device, and notice MTC device activates or sets up and is connected with the IP between MTC server.

After step 403.SC receives short message, to SMS-GMSC short-message;

Step 404.SMS-GMSC is according to destination address in short message: the MSISDN of MTC device, and the HSS to MTC device ownership place sends SMS message route requests, the address of the MSC of the current visit of inquiry MTC device;

Step 405.HSS returns to the address of the MSC of the current visit of MTC device to SMS-GMSC, and returns the IMSI of MTC device;

Step 406.SMS-GMSC sends forward short message to the MSC of the current visit of MTC device, carries trigger instruction in message, and the IMSI of MTC device;

The MSC of the current visit of step 407.MTC equipment receives forward short message, and the MME to MTC device place sends beep-page message, carries the IMSI of trigger instruction and MTC device in message;

Step 408 ~ 409.MME notifies E-UTRAN paging MTC device in broadcast channel;

Step 410.MTC device trigger service request flow process, sends service request to MME, sets up and is connected with the NAS signaling between MME;

After step 411.MME receives service request, the MSC to the current visit of MTC device sends service request;

The MSC of step 412 ~ current visit of 413.MTC equipment is connected the forward short message received and passes to MTC device by the NAS signaling between MME with MTC device;

After step 414 ~ 418.MTC receives forward short message, send delivery report to network;

In GPRS and LTE network, prior art is mainly H2H (HumantoHuman, interpersonal communication) hand-held Terminal Type service.Network is that each handheld terminal distributes one or more MSISDN (MobileStationInternationalISDNNumber, Subscriber Number) and a unique IMSI (InternationalMobileSubscriberIdentity, international mobile identify label).User or Virtual network operator find object user by MSISDN, and carry out communication with it, with IMSI recognition purpose user identity.

Along with development increasingly and the diversification that is ripe, M2M purposes of M2M technology, the quantity of M2M terminal (i.e. MTC device) will there will be volatile growth, according to estimates, MTC device number will reach two orders of magnitude of handheld terminal quantity, because MSISDN length has 16 bit length restrictions in international standard, MSISDN inadequate resource can be caused like this, a MSISDN cannot be distributed for each MTC device, MTC device addressing when carrying out service message (such as short message) and sending can be caused like this to go wrong.

Summary of the invention

In view of this, main purpose of the present invention is the shared method and system providing a kind of MTC device Subscriber Number, when can solve as MTC device distribution MSISDN, and the problem of MSISDN inadequate resource.

To achieve these goals, technical scheme of the present invention is achieved in that

The invention provides the shared method of a kind of machine type communication (MTC) equipment user number, arrange logical functional entity MTC IWF (IWF), the method also comprises:

MTC device access visited place Access Network time, MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons;

Described MTCIWF to External Number and the private number table of comparisons, carries out route to the business of described MTC device according to described MTC device.

Wherein, the described public user identity (PUI) External Number being comprised to MTC device, described privately owned number comprises international mobile subscriber identity (IMSI) and the privately owned mobile terminal international number (P-MSISDN) of MTC device.

MTCIWF preserve described MTC device to External Number and private number corresponding relation, specifically comprise:

MTCIWF receives the location update request message that described MTC device sends, obtain in described location update request message the described IMSI carried, and described location update request message is transmitted to the home subscriber server (HSS) of MTC device belonging area network;

Described MTCIWF receives the user data insertion message that described HSS returns according to described location update request message, and distributes described P-MSISDN for described MTC device;

After location updating success, and during MTC device belonging area network support IP Multimedia System (IMS), described MTCIWF performs the register flow path of described MTC device to belonging area network, obtains described PUI;

Described MTCIWF preserves the corresponding relation of described PUI and P-MSISDN and IMSI, generates described MTC device to External Number and the private number table of comparisons.

MTCIWF obtains described PUI, specifically comprises:

Described MTCIWF sends login request message to belonging area network network element; The interim private user identity (T-PVI) that the address of described MTCIWF and described MTCIWF derive according to described IMSI is carried in described login request message;

After belonging area network network element receives described login request message, send the message of carrying the request contracted user data of described T-PVI to described HSS;

Described HSS finds corresponding PUI according to described T-PVI in the configuration of self, and is carried in contracted user's data and sends to described belonging area network network element;

When described belonging area network network element accepts the registration of MTC device, return the attachment response message carrying described PUI to described MTCIWF.

Described MTCIWF according to described MTC device to External Number and the private number table of comparisons, carrying out route to the service message of described MTC device is: when MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated by described MTCIWF, be transmitted to described MTC device, specifically comprise:

The destination address that described belonging area network network element receives MTC server transmission is the service message of PUI, and is transmitted to described MTCIWF;

Described MTCIWF is according to described PUI, corresponding IMIS and P-MSISDN is searched in described MTC device is to External Number and the private number table of comparisons, after the destination address of described service message is updated to described IMIS or P-MSISDN by PUI, be transmitted to described MTC device by visited place access network elements.

Described MTCIWF according to described MTC device to External Number and the private number table of comparisons, carrying out route to the service message of described MTC device is: when MTC device sends service message to MTC server, the source address of described service message is to after External Number by privately owned number translated by described MTCIWF, be transmitted to described MTC server, specifically comprise:

Visited place access network elements receives the service message that described MTC device sends, and after the source address of described service message is updated to described P-MSISDN by described IMSI, is transmitted to described MTCIWF;

Described MTCIWF searches corresponding PUI according to described P-MSISDN in described MTC device is to External Number and the private number table of comparisons, after the source address of described service message is updated to described PUI by P-MSISDN, according to the Service Gateway address of carrying in described service message, described service message is forwarded to Service Gateway;

Described service message, according to the address of the destination address MTC server of described service message, is forwarded to described MTC server by described Service Gateway.

Described group mobile terminal international number (G-MSISDN) and application layer mark External Number being comprised to MTC device, described privately owned number comprises IMSI and P-MSISDN of MTC device.

MTCIWF preserve described MTC device to External Number and private number corresponding relation, specifically comprise:

MTCIWF receives the location update request message that described MTC device sends, and obtains in described location update request message the described IMSI carried, and described location update request message is transmitted to the HSS of the belonging area network of MTC device;

Described MTCIWF receives the user data insertion message that described ownership HSS returns according to described location update request message, for described MTC device distributes described P-MSISDN, and obtain the described G-MSISDN and application layer mark that carry in contracted user's data of described user data insertion message;

After location updating success, described MTCIWF preserves the corresponding relation of described G-MSISDN and application layer mark and P-MSISDN and IMSI, generates described MTC device to External Number and the private number table of comparisons.

Described MTCIWF according to described MTC device to External Number and the private number table of comparisons, carrying out route to the service message of described MTC device is: when MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated by described MTCIWF, be transmitted to described MTC device, specifically comprise:

The destination address that Service Gateway receives MTC server transmission is the service message of G-MSISDN, and asks the address of MTCIWF to described HSS;

The address of the MTCIWF that described Service Gateway returns according to described HSS, is transmitted to described MTCIWF by described service message;

Described MTCIWF, according to the application layer mark of carrying in the destination address G-MSISDN of described service message and described service message, searches corresponding P-MSISDN and IMSI in described MTC device is to External Number and privately owned digitmap;

The destination address of described service message is updated to described P-MSISDN by G-MSISDN by described MTCIWF, and carries described IMSI in described service message, is transmitted to described MTC device by visited place access network elements.

Described MTCIWF according to described MTC device to External Number and the private number table of comparisons, carrying out route to the service message of described MTC device is: when MTC device sends service message to MTC server, the source address of described service message is to after External Number by privately owned number translated by described MTCIWF, be transmitted to described MTC server, specifically comprise:

Visited place access network elements receives the service message that MTC device sends, and the source address of described service message is updated to P-MSISDN by IMSI, and is transmitted to described MTCIWF;

Described MTCIWF, according to described P-MSISDN, searches corresponding G-MSISDN and application layer mark in described MTC device is to External Number and the private number table of comparisons;

The source address of described service message is updated to G-MSISDN by P-MSISDN by described MTCIWF, and carry described application layer mark in described service message after, is transmitted to described MTC server by Service Gateway.

Present invention also offers a kind of shared system of MTC device Subscriber Number, this system comprises: the MTCIWF of setting, MTC device and MTC server; Wherein, when MTC device access visited place Access Network, described MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons; And according to described MTC device to External Number and the private number table of comparisons, route is carried out to the business of described MTC device.

Described External Number comprises: the PUI of MTC device; Described privately owned number comprises: IMSI and P-MSISDN of MTC device; Or,

Described External Number to be comprised: the G-MSISDN of MTC device and application layer mark; Described privately owned number comprises: IMSI and P-MSISDN of MTC device.

Described MTCIWF, also for when MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated, is transmitted to described MTC device; Also for when MTC device sends service message to MTC server, be to after External Number by the source address of described service message by privately owned number translated, be transmitted to described MTC server.

The secret sharing of MTC device Subscriber Number of the present invention, by arranging logical functional entity MTCIWF in a network, preserved the corresponding relation to External Number (PUI or G-MSISDN and application layer mark) and privately owned number (IMSI and P-MSISDN) of MTC device by MTCIWF, generation MTC device is to External Number and the private number table of comparisons; When carrying out business, MTCIWF according to MTC device to External Number and the private number table of comparisons, can carry out route to the service message of MTC device.So, service message is when belonging area network transmits, adopt the privately owned number of MTC device, when visited place Access Network transmits, adopt corresponding to privately owned number External Number, and, the G-MSISDN arranged, application layer mark and P-MSISDN can be multiplexing in different business flow process, so, not only solve the addressing issue of MTC service message, when also solving as MTC device distribution MSISDN, the problem of MSISDN inadequate resource.

Accompanying drawing explanation

Fig. 1 is the system architecture diagram of existing LTE network communication;

Fig. 2 is the schematic flow sheet that in prior art, MTC device is linked into EPS network;

Fig. 3 is existing SMS service system Organization Chart;

Fig. 4 adopts the short message service of existing network technology to exhale schematic flow sheet eventually;

Fig. 5 is short-message system Organization Chart of the present invention;

Fig. 6 is the shared method flow diagram of the embodiment of the present invention one MTC device Subscriber Number;

Fig. 7 is the shared method flow diagram of the embodiment of the present invention two MTC device Subscriber Number;

Fig. 8 is the shared method flow diagram of the embodiment of the present invention three MTC device Subscriber Number;

Fig. 9 is the shared method flow diagram of the embodiment of the present invention four MTC device Subscriber Number;

Figure 10 is the shared method flow diagram of the embodiment of the present invention five MTC device Subscriber Number;

Figure 11 is the shared method flow diagram of the embodiment of the present invention six MTC device Subscriber Number;

Figure 12 is the shared method flow schematic diagram of MTC device Subscriber Number of the present invention.

Embodiment

Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.

The core concept of the shared method of MTC device Subscriber Number of the present invention is: arrange a logical functional entity MTCIWF (Inter-workingFunction in a network, IWF), this MTCIWF can dispose separately, also can close with other network elements and establish, short message service structure as shown in Figure 5.MTCIWF is responsible for MTC device to External Number and the conversion of private number, reaches the object of multiplexing Mobile Subscriber International ISDN Number resource, improve the utilance of Subscriber Number resource with this.

Method of the present invention is not only applicable to short message service, is also applicable to the multiple business such as call business.For short message service, technical scheme of the present invention is described below.

Embodiment one

MTC device is when accessing visited place Access Network, and the HSS to its belonging area network sends location update request message, and MTCIWF intercepts and captures this message as signaling trochanterion, obtains the IMSI (privately owned number) of the MTC device of carrying in message; When the HSS of belonging area network upgrades response message to MTC device home position, MTCIWF intercepts and captures this message, and according to the instruction in position update response information, replaces MTC device to register to the belonging area network (IMS network element) of MTC device, idiographic flow as shown in Figure 6, comprising:

During step 601, MTC device access visited place Access Network, send Attach Request message to visited place access network elements (MSC or SGSN or MME), in message, carry the IMSI (privately owned number) of MTC device;

After step 602, visited place access network elements receive Attach Request message, the HSS of MTC device belonging area network is determined according to IMSI wherein, and send location update request message (carrying the IMSI of MTC device), the destination address of this message is the address of described HSS, and source address is the address of visited place access network elements, the address as MSC or SGSN or MME.Message approach MTCIWF, here MTCIWF is by the mode of static configuration, configure the MTCIWF associated with visited place access network elements, generally, MTCIWF multiple MSC or SGSN or MME good at managing, therefore, for MSC or SGSN or MME, its corresponding MTCIWF, visited place like this access network elements just directly can determine the MTCIWF as signaling trochanterion;

Step 603, MTCIWF, as Signalling Transfer Point, intercept and capture the location update request message that visited place access network elements sends to HSS, obtain the IMSI of the MTC device that this message is carried.Meanwhile, MTCIWF preserves the address of visited place access network elements, and location update request message (carrying the IMSI of MTC device) is forwarded to HSS, and now the source address of this message is updated to the address of MTCIWF by the address of visited place access network elements;

After step 604, HSS receive location update request message, preserve the address of MTCIWF, obtain corresponding contracted user's data according to the IMSI of MTC device simultaneously, and send to MTCIWF by user data insertion message.During belonging area network support IMS, in contracted user's data, also carry the instruction that MTC device belonging area network supports IMS;

After step 605, MTCIWF receive user data insertion message, for MTC device distributes a privately owned number, i.e. P-MSISDN (privately owned mobile terminal international number), this P-MSISDN is MTCIWF Random assignment, and its length is identical with the length of MSISDN;

Step 606, MTCIWF forward user data and insert message to visited place access network elements, wherein carry the P-MSISDN of described distribution, and visited place access network elements saves as the P-MSISDN that MTC device is distributed;

Step 607, visited place access network elements return response to HSS after receiving user data insertion message;

Step 608, HSS upgrade response message to MTCIWF home position after confirming the location updating success of MTC device;

Location updating response is transmitted to MTC device by visited place access network elements by step 609 ~ 610, MTCIWF;

Step 611, MTCIWF inserts according to user data the instruction that the MTC device belonging area network carried in message supports IMS, can determine that MTC device belonging area network supports IMS, then MTCIWF replaces MTC device to initiate register flow path to belonging area network (IMS network element), first MTCIWF sends login request message to IMS network element, the IP address of MTCIWF is carried in message, with the T-PVI (TemporaryPriVateuserIdentity that MTCIWF derives according to the IMSI of MTC device, private user identity), derivation mode, IMSI as user is 4600213801491234, after being converted into T-PVI be: 4600213801491234jiangsu.chinamobile.com.cn, certainly, the present invention is not limited in this kind of derivation mode.

After step 612, IMS network element receive login request message, obtain contracted user's data to HSS, T-PVI is sent to HSS simultaneously; HSS finds corresponding PUI (PublicUserIdentity, public user identity) according to T-PVI in the configuration of self, is carried in contracted user's data and sends to IMS network element;

Step 613, IMS network element accept the registration of MTC device, registration reply message is returned to MTCIWF, comprise in message MTC device to External Number: PUI, this number adopts SIP (SessionInitiationProtocol, session start agreement) URI (UniformResourceIdentifier, resource label accords with) form;

Step 614, MTCIWF preserve MTC device to the corresponding relation of External Number (PUI) with privately owned number (IMSI and P-MSISDN), generate a MTC device to External Number and privately owned digitmap.

Embodiment two

MTC device belonging area network supports IMS, and MTC server issues MTCIWF by belonging area network short message, is transmitted to the flow process of MTC device as shown in Figure 7, comprises through MTCIWF:

Step 701, MTC server send common format short message to SC or SMS-GMSC, the PUI of MTC device for the purpose of destination address;

After step 702, SC or SMS-GMSC receive short message, according to PUI common format short message to IP-SM-GW;

Step 703 ~ 704, IP-SM-GW are the SIP form short message that can transmit at IMS network (belonging area network) common format short message conversion, and SIP form short message is sent to IMS network element (belonging area network); IMS network element determines corresponding MTCIWF according to the log-on message of MTC device, and by SIP form short message to MTCIWF;

Step 705, MTCIWF receive SIP form short message, convert thereof into common format short message, and according to destination address: PUI, corresponding IMIS and P-MSISDN is searched in the MTC device of self preserving is to External Number and privately owned digitmap, if can find, then the destination address of common format short message is converted to IMIS or P-MSISDN by PUI;

Common format short message is transmitted to MTC device by visited place access network elements (as described in step 603, during MTC device attachment, MTCIWF saves the address of visited place access network elements) by step 706 ~ 707, MTCIWF;

After step 708 ~ 712, MTC device receive common format short message, return note delivery report to MTC server.

Embodiment three

MTC device belonging area network supports IMS, and it is SIP form short message by common format short message that MTC device sends out common format short message to MTCIWF, MTCIWF, and by belonging area network, short message is issued the flow process of MTC server as shown in Figure 8, comprising:

Step 801, MTC device send common format short message to visited place access network elements, and source address is the IMSI of MTC device, destination address is MTC server address, carries SC or SMS-IWMSC address in this short message;

After step 802, visited place access network elements receive common format short message, source address is updated to P-MSISDN (as described in step 606 by IMSI, when MTC device is adhered to, visited place access network elements saves P-MSISDN), and be transmitted to MTCIWF.Here, by the mode of static configuration, configure the MTCIWF associated with visited place access network elements, generally, MTCIWF multiple MSC or SGSN or MME good at managing, therefore, for MSC or SGSN or MME, its corresponding MTCIWF, visited place like this access network elements just directly can determine the MTCIWF as signaling trochanterion.

After step 803, MTCIWF receive common format short message, obtain P-MSISDN, and PUI corresponding to P-MSISDN is searched in the MTC device of self preserving is to External Number and privately owned digitmap, if found, then the source address of this common format short message is converted to PUI by P-MSISDN, and is the SIP form short message that IMS network support is transmitted common format short message conversion;

Step 804 ~ 805, MTCIWF issue IP-SM-GW by IMS network element SIP form short message;

Step 806 ~ 807, IP-SM-GW become common format short message SIP form short message conversion, send to SC or SMS-IWMSC, finally send to MTC server;

After step 808 ~ 813, MTC server receive common format short message, return note delivery report to MTC device.

Embodiment four

In this embodiment, MTC device belonging area network does not support IMS, HSS is that multiple MTC device distributes an identical sets of numbers: G-MSISDN (group mobile terminal international number, this number can be arranged arbitrarily), by this G-MSISDN (to External Number) by contracted user's data distributing to MTCIWF, be responsible for being associated with privately owned number (IMIS and P-MSISDN) by MTCIWF.

During step 901, MTC device access visited place Access Network, send Attach Request message to visited place access network elements, in message, carry the IMSI (privately owned number) of MTC device;

Step 902, after visited place access network elements receives Attach Request message, the HSS of MTC device belonging area network is determined according to IMSI wherein, and send location update request message (carrying the IMSI of MTC device), the destination address of this message is the address of described HSS, source address is the address of visited place access network elements, as MSC, or SGSN, or the address of MME, message approach MTCIWF, here MTCIWF is by the mode of static configuration, configure the MTCIWF associated with visited place access network elements, generally, MTCIWF multiple MSC or SGSN or MME good at managing, therefore, for MSC or SGSN or MME, its corresponding MTCIWF, visited place like this access network elements just directly can determine the MTCIWF as signaling trochanterion,

Step 903, MTCIWF, as Signalling Transfer Point, intercept and capture the location update request message that visited place access network elements sends to HSS, obtain the IMSI of the MTC device that this message is carried.Meanwhile, MTCIWF preserves the address of visited place access network elements, and location update request message (carrying the IMSI of MTC device) is forwarded to HSS, and now the source address of this message is updated to the address of MTCIWF by the address of visited place access network elements;

After step 904, HSS receive location update request message, preserve the address of MTCIWF, obtain corresponding contracted user's data according to the IMSI of MTC device simultaneously, and send to MTCIWF by user data insertion message, also carry the application layer mark of G-MSISDN corresponding to MTC device and MTC device in contracted user's data;

Step 905, MTCIWF receive user data and insert after message, and for MTC device distributes a privately owned number (P-MSISDN), this P-MSISDN is MTCIWF Random assignment, and its length is identical with the length of MSISDN;

Step 906, MTCIWF forward user data and insert message to visited place access network elements, wherein carry the P-MSISDN of described distribution, and visited place access network elements saves as the P-MSISDN that MTC device is distributed;

Step 907, visited place access network elements return response to HSS after receiving user data insertion message;

After step 908, HSS confirm the location updating success of MTC device, response message is upgraded to MTCIWF home position, and the corresponding relation preserved between the application layer mark of G-MSISDN and MTC device and P-MSISDN and IMSI, generate a MTC device to External Number and privately owned digitmap.If location updating is unsuccessful, then do not preserve above-mentioned corresponding relation.

Position update response information is transmitted to visited place access network elements by step 909, MTCIWF.

Step 910, visited place access network elements return attachment response message to MTC device.

Embodiment five

MTC device belonging area network does not support IMS, and MTC server issues MTCIWF short message, is transmitted to the flow process of MTC device as shown in Figure 10, comprises through MTCIWF:

Step 1001, MTC server send SMS message to SC or SMS-GMSC, and destination address is the G-MSISDN of MTC device, comprise the application layer mark of MTC device in short message;

Step 1002, SC or SMS-GMSC, according to the HSS transmission route request information of G-MSISDN to belonging area network, comprise G-MSISDN in message.Be be that MTC device is distributed by the HSS of belonging area network due to G-MSISDN, therefore, just can find the HSS of belonging area network of correspondence according to G-MSISDN;

Step 1003, HSS find corresponding MTCIWF address according to G-MSISDN in the configuration of self, and message should be with to return to SC or SMS-GMSC by route;

Step 1004, SC or SMS-GMSC, according to the MTCIWF address returned, send to MTCIWF short message;

Step 1005, MTCIWF obtain the G-MSISDN of MTC device and the application layer mark of MTC device, and corresponding P-MSISDN and IMSI is searched in the MTC device of self preserving is to External Number and privately owned digitmap, if found, then the destination address of short message is converted to P-MSISDN by G-MSIDN, and in short message, carries corresponding IMSI;

Step 1006 ~ 1007, MTCIWF send this short message to visited place access network elements; Visited place access network elements is by short message MTC device;

After step 1008 ~ 1010, MTC device receive short message, return short message delivery report to MTC device.

Embodiment six

MTC device belonging area network does not support IMS, and MTC device short-message sending is to External Number to MTCIWF, MTCIWF the privately owned number translated of MTC device, and short message to the flow process of MTC server as shown in figure 11, comprising:

Step 1101, MTC device send SMS message to visited place access network elements, and source address is IMSI, destination address is MTC server address, carries the address of SC or SMS-IWMSC in message;

After step 1102, visited place access network elements receive short message, the source address of message is updated to P-MSISDN (as described in step 906 by IMSI, when MTC device is adhered to, visited place access network elements saves P-MSISDN), and will MTCIWF be transmitted to, here, by the mode of static configuration, configure the MTCIWF associated with visited place access network elements;

After step 1103, MTCIWF receive short message, obtain the P-MSISDN in message, and in the MTC device of self preserving is to External Number and privately owned digitmap, search the application layer mark of G-MSISDN corresponding to P-MSISDN and MTC device, if found, the source address of short message is converted to G-MSISDN by P-MSISDN, and adds the application layer mark of MTC device in the message;

Step 1104 ~ 1105, MTCIWF send to MTC server short message via SC or SM-IWMSC;

After step 1106 ~ 1109, MTC server receive short message, return short message delivery report to MTC device.

The flow process of each above-mentioned embodiment is equally applicable to call business, uniquely unlike, when carrying out the route of call business, need the Service Gateway Service Gateway of short message service (SC, SMS-GMSC, SMS-IWMSC and IP-SM-GW) being replaced with call business.

Certainly, method of the present invention is also applicable to other multiple business, repeats no longer one by one herein.

In sum, the shared method of MTC device Subscriber Number of the present invention comprises as shown in figure 12:

Step 1201, MTC device access visited place Access Network time, MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons.

The realization of this step has two kinds of situations:

One, External Number comprises the PUI of MTC device, and privately owned number comprises IMSI and P-MSISDN of MTC device:

MTCIWF receives the location update request message that MTC device sends, and obtains the IMSI carried in location update request message, and location update request message is transmitted to the HSS of MTC device belonging area network;

MTCIWF receives the user data insertion message that HSS returns according to location update request message, and is that MTC device distributes P-MSISDN;

After location updating success, and during MTC device belonging area network support IMS, MTCIWF performs the register flow path of MTC device to belonging area network, obtains PUI;

MTCIWF preserves the corresponding relation of PUI and P-MSISDN and IMSI, generates MTC device to External Number and the private number table of comparisons.

Wherein, MTCIWF obtains PUI, specifically comprises:

MTCIWF sends login request message to belonging area network network element; The T-PVI that the address of MTCIWF and MTCIWF derive according to IMSI is carried in login request message;

After belonging area network network element receives login request message, send the message of carrying the request contracted user data of T-PVI to HSS;

HSS finds corresponding PUI according to T-PVI in the configuration of self, and is carried in contracted user's data and sends to belonging area network network element;

When belonging area network network element accepts the registration of MTC device, return the attachment response message carrying PUI to MTCIWF.

Two, External Number comprises G-MSISDN and the application layer mark of MTC device, and privately owned number comprises IMSI and P-MSISDN of MTC device:

MTCIWF receives the location update request message that MTC device sends, and obtains the IMSI carried in location update request message, and location update request message is transmitted to the HSS of the belonging area network of MTC device;

MTCIWF receives the user data insertion message that ownership HSS returns according to location update request message, is that MTC device distributes P-MSISDN, and obtains the G-MSISDN and application layer mark that carry in contracted user's data of user data insertion message;

After location updating success, MTCIWF preserves the corresponding relation of G-MSISDN and application layer mark and P-MSISDN and IMSI, generates MTC device to External Number and the private number table of comparisons.

Step 1202, MTCIWF to External Number and the private number table of comparisons, carry out route to the business of MTC device according to MTC device.

The realization of this step comprises four kinds of situations:

One, External Number is comprised to the PUI of MTC device, privately owned number comprises IMSI and P-MSISDN of MTC device, when MTC server sends service message to MTC device, after the destination address of service message is privately owned number by external number translated by MTCIWF, be transmitted to MTC device, specifically comprise:

The destination address that belonging area network network element receives MTC server transmission is the service message of PUI, and is transmitted to MTCIWF;

MTCIWF, according to PUI, searches corresponding IMIS and P-MSISDN, after the destination address of service message is updated to IMIS or P-MSISDN by PUI, is transmitted to MTC device by visited place access network elements in MTC device is to External Number and the private number table of comparisons.

Two, External Number is comprised to the PUI of MTC device, privately owned number comprises IMSI and P-MSISDN of MTC device, and when MTC device sends service message to MTC server, the source address of service message is to after External Number by privately owned number translated by MTCIWF, be transmitted to MTC server, specifically comprise:

Visited place access network elements receives the service message that MTC device sends, and after the source address of service message is updated to P-MSISDN by IMSI, is transmitted to MTCIWF;

MTCIWF searches corresponding PUI according to P-MSISDN in MTC device is to External Number and the private number table of comparisons, after the source address of service message is updated to PUI by P-MSISDN, according to the Service Gateway address of carrying in service message, service message is forwarded to Service Gateway;

Service message, according to the address of the destination address MTC server of service message, is forwarded to MTC server by Service Gateway.

Three, External Number is comprised to G-MSISDN and the application layer mark of MTC device, privately owned number comprises IMSI and P-MSISDN of MTC device, when MTC server sends service message to MTC device, after the destination address of service message is privately owned number by external number translated by MTCIWF, be transmitted to MTC device, specifically comprise:

The destination address that Service Gateway receives MTC server transmission is the service message of G-MSISDN, and asks the address of MTCIWF to HSS;

The address of the MTCIWF that Service Gateway returns according to HSS, is transmitted to MTCIWF by service message;

MTCIWF, according to the application layer mark of carrying in the destination address G-MSISDN of service message and service message, searches corresponding P-MSISDN and IMSI in MTC device is to External Number and privately owned digitmap;

The destination address of service message is updated to P-MSISDN by G-MSISDN by MTCIWF, and carries IMSI in service message, is transmitted to MTC device by visited place access network elements.

Four, External Number is comprised to G-MSISDN and the application layer mark of MTC device, privately owned number comprises IMSI and P-MSISDN of MTC device, when MTC device sends service message to MTC server, the source address of service message is to after External Number by privately owned number translated by MTCIWF, be transmitted to MTC server, specifically comprise:

Visited place access network elements receives the service message that MTC device sends, and the source address of service message is updated to P-MSISDN by IMSI, and is transmitted to MTCIWF;

MTCIWF, according to P-MSISDN, searches corresponding G-MSISDN and application layer mark in MTC device is to External Number and the private number table of comparisons;

The source address of service message is updated to G-MSISDN by P-MSISDN by MTCIWF, and carry application layer mark in service message after, is transmitted to MTC server by SC or SMS-IWMSC.

In order to realize said method, the invention provides a kind of shared system of MTC device Subscriber Number, comprising: the MTCIWF of setting, MTC device and MTC server; Wherein, MTC device access visited place Access Network time, MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons; And according to MTC device to External Number and the private number table of comparisons, route is carried out to the business of MTC device.

Wherein, External Number comprises: the PUI of MTC device; Privately owned number comprises: IMSI and P-MSISDN of MTC device; Or,

External Number is comprised: the G-MSISDN of MTC device and application layer mark; Privately owned number comprises: IMSI and P-MSISDN of MTC device.

MTCIWF, also for when MTC server sends service message to MTC device, after the destination address of service message is privately owned number by external number translated, is transmitted to MTC device; Also for when MTC device sends service message to MTC server, be to after External Number by the source address of service message by privately owned number translated, be transmitted to MTC server.

The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims (9)

1. a shared method for machine type communication MTC device Subscriber Number, is characterized in that, arrange logical functional entity MTC IWF IWF, the method also comprises:

MTC device access visited place Access Network time, MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons;

Described MTCIWF to External Number and the private number table of comparisons, carries out route to the business of described MTC device according to described MTC device;

Described public user identity PUI External Number being comprised to MTC device, described privately owned number comprises the international mobile subscriber identity IMSI of MTC device and privately owned mobile terminal international number P-MSISDN; Or,

Described group mobile terminal international number G-MSISDN and application layer mark External Number being comprised to MTC device, described privately owned number comprises IMSI and P-MSISDN of MTC device;

Wherein, described MTCIWF according to described MTC device to External Number and the private number table of comparisons, carrying out route to the service message of described MTC device is: when MTC server sends service message to MTC device, described MTCIWF is transmitted to described MTC device after the destination address of described service message is privately owned number by external number translated; When MTC device sends service message to MTC server, the source address of described service message is to after External Number by privately owned number translated by described MTCIWF, is transmitted to described MTC server.

2. the shared method of MTC device Subscriber Number according to claim 1, is characterized in that, MTCIWF preserve described MTC device to External Number and private number corresponding relation, specifically comprise:

MTCIWF receives the location update request message that described MTC device sends, and obtains in described location update request message the described IMSI carried, and described location update request message is transmitted to the home subscriber server HSS of MTC device belonging area network;

Described MTCIWF receives the user data insertion message that described HSS returns according to described location update request message, and distributes described P-MSISDN for described MTC device;

After location updating success, and during MTC device belonging area network support IP Multimedia System IMS, described MTCIWF performs the register flow path of described MTC device to belonging area network, obtains described PUI;

Described MTCIWF preserves the corresponding relation of described PUI and P-MSISDN and IMSI, generates described MTC device to External Number and the private number table of comparisons.

3. the shared method of MTC device Subscriber Number according to claim 2, it is characterized in that, MTCIWF obtains described PUI, specifically comprises:

Described MTCIWF sends login request message to belonging area network network element; The interim private user identity T-PVI that the address of described MTCIWF and described MTCIWF derive according to described IMSI is carried in described login request message;

After belonging area network network element receives described login request message, send the message of carrying the request contracted user data of described T-PVI to described HSS;

Described HSS finds corresponding PUI according to described T-PVI in the configuration of self, and is carried in contracted user's data and sends to described belonging area network network element;

When described belonging area network network element accepts the registration of MTC device, return the attachment response message carrying described PUI to described MTCIWF.

4. the shared method of MTC device Subscriber Number according to any one of claims 1 to 3, it is characterized in that, when described MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated by described MTCIWF, be transmitted to described MTC device, specifically comprise:

The destination address that belonging area network network element receives MTC server transmission is the service message of PUI, and is transmitted to described MTCIWF;

Described MTCIWF is according to described PUI, corresponding IMSI and P-MSISDN is searched in described MTC device is to External Number and the private number table of comparisons, after the destination address of described service message is updated to described IMSI or P-MSISDN by PUI, be transmitted to described MTC device by visited place access network elements.

5. according to the shared method of described MTC device Subscriber Number arbitrary in claims 1 to 3, it is characterized in that, when described MTC device sends service message to MTC server, the source address of described service message is to after External Number by privately owned number translated by described MTCIWF, be transmitted to described MTC server, specifically comprise:

Visited place access network elements receives the service message that described MTC device sends, and after the source address of described service message is updated to described P-MSISDN by described IMSI, is transmitted to described MTCIWF;

Described MTCIWF searches corresponding PUI according to described P-MSISDN in described MTC device is to External Number and the private number table of comparisons, after the source address of described service message is updated to described PUI by P-MSISDN, according to the Service Gateway address of carrying in described service message, described service message is forwarded to Service Gateway;

Described service message, according to the address of the destination address MTC server of described service message, is forwarded to described MTC server by described Service Gateway.

6. the shared method of MTC device Subscriber Number according to claim 1, is characterized in that, MTCIWF preserve described MTC device to External Number and private number corresponding relation, specifically comprise:

MTCIWF receives the location update request message that described MTC device sends, and obtains in described location update request message the described IMSI carried, and described location update request message is transmitted to the HSS of the belonging area network of MTC device;

Described MTCIWF receives the user data insertion message that described ownership HSS returns according to described location update request message, for described MTC device distributes described P-MSISDN, and obtain the described G-MSISDN and application layer mark that carry in contracted user's data of described user data insertion message;

After location updating success, described MTCIWF preserves the corresponding relation of described G-MSISDN and application layer mark and P-MSISDN and IMSI, generates described MTC device to External Number and the private number table of comparisons.

7. the shared method of MTC device Subscriber Number according to claim 1 or 6, it is characterized in that, when described MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated by described MTCIWF, be transmitted to described MTC device, specifically comprise:

The destination address that Service Gateway receives MTC server transmission is the service message of G-MSISDN, and asks the address of MTCIWF to HSS;

The address of the MTCIWF that described Service Gateway returns according to described HSS, is transmitted to described MTCIWF by described service message;

Described MTCIWF, according to the application layer mark of carrying in the destination address G-MSISDN of described service message and described service message, searches corresponding P-MSISDN and IMSI in described MTC device is to External Number and privately owned digitmap;

The destination address of described service message is updated to described P-MSISDN by G-MSISDN by described MTCIWF, and carries described IMSI in described service message, is transmitted to described MTC device by visited place access network elements.

8. the shared method of MTC device Subscriber Number according to claim 1 or 6, it is characterized in that, when described MTC device sends service message to MTC server, the source address of described service message is to after External Number by privately owned number translated by described MTCIWF, be transmitted to described MTC server, specifically comprise:

Visited place access network elements receives the service message that MTC device sends, and the source address of described service message is updated to P-MSISDN by IMSI, and is transmitted to described MTCIWF;

Described MTCIWF, according to described P-MSISDN, searches corresponding G-MSISDN and application layer mark in described MTC device is to External Number and the private number table of comparisons;

The source address of described service message is updated to G-MSISDN by P-MSISDN by described MTCIWF, and carry described application layer mark in described service message after, is transmitted to described MTC server by Service Gateway.

9. a shared system for machine type communication MTC device Subscriber Number, is characterized in that, this system comprises: the logical functional entity MTC IWF IWF of setting, MTC device and MTC server; Wherein, when MTC device access visited place Access Network, described MTCIWF preserve MTC device to External Number and private number corresponding relation, generate MTC device to External Number and the private number table of comparisons; And according to described MTC device to External Number and the private number table of comparisons, route is carried out to the business of described MTC device;

Described External Number to be comprised: the public user identity PUI of MTC device; Described privately owned number comprises: the IMSI of MTC device and privately owned mobile terminal international number P-MSISDN; Or,

Described External Number to be comprised: the group mobile terminal international number G-MSISDN of MTC device and application layer mark; Described privately owned number comprises: IMSI and P-MSISDN of MTC device;

Described MTCIWF, also for when MTC server sends service message to MTC device, after the destination address of described service message is privately owned number by external number translated, is transmitted to described MTC device; Also for when MTC device sends service message to MTC server, be to after External Number by the source address of described service message by privately owned number translated, be transmitted to described MTC server.