CN102202270A - Machine type communication (MTC)-based message transmission method and interworking functional entity - Google Patents
Machine type communication (MTC)-based message transmission method and interworking functional entity Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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Abstract
The invention discloses a machine type communication (MTC)-based message transmission method and an interworking functional entity. The method comprises that: the interworking functional entity receives message from an MTC terminal; the interworking functional entity acquires the address of an MTC server; and the interworking functional entity converts the message into a format according with the interaction mode of the MTC server, and sends the converted message to the MTC server in an interaction mode. By the method, access diversity of the MTC server can be ensured.
Description
Technical field
The present invention relates to moving communicating field, be specifically related to method for message transmission and interworking function entity based on the communication of machine class.
Background technology
Sense stricto definition refers to it is the communication of machine to machine to machine to machine (Machine to Machine abbreviates M2M as), and sensu lato definition is the application and the service of core, networking with the machine terminal intelligent interaction.It is based on the intelligence machine terminal, is the access means with multiple communication mode, is the informatization resolve scheme that the client provides, and is used to satisfy the information system requirement of client to aspects such as monitoring, command scheduling, data acquisition and measurements.
At present, the M2M terminal can be passed through global mobile communication (Global System for MobileCommunication, abbreviate GSM as), universal mobile telecommunications system (Universal MobileTelecommunications System, abbreviate UTMS as), the grouping system of evolution (Evolved Packet System, abbreviate EPS as) etc. multiple network mode wireless access, also can pass through short message mode, the IP mode, multiple modes such as unstructured supplementary data traffic (UnstructuredSupplementary Service Data abbreviates USSD as) mode are carried.Therefore, machine class communication (Machine Type Communication abbreviates MTC as) both can utilize the business (for example, note, USSD etc.) in CS territory in the GSM network, also can utilize the business (as PS note, IP etc.) in the PS territory in the IP network.
At present, the GSM network is mainly by wireless access network (the GSM EDGERadio Access Network of GSM/EDGE, abbreviate GERAN as), mobile services switching centre (Mobile-Services Switching Center, abbreviate MSC as), VLR Visitor Location Register (Visitor Location Register, abbreviate VLR as), attaching position register network elements such as (HomeLocation Register abbreviate HLR as) forms.The UTMS network is mainly by universal mobile telecommunications system land radio access web (Universal Terrestrial Radio AccessNetwork, abbreviate UTRAN as), Serving GPRS Support Node (Serving GPRSSupport Node, abbreviate SGSN as), GGSN (Gateway GPRSSupport Node, be called for short GGSN) waits the network element composition.The EPS network is mainly by universal mobile telecommunications system land radio access web (the Evolved Universal TerrestrialRadio Access Network of evolution, abbreviate E-UTRAN as), mobile management entity (MobileManagement Entity, abbreviate MME as), gateway (Serving Gateway, abbreviate S-GW as), grouped data network gateway (Packet Data Network Gateway, abbreviate P-GW or PDN GW as), home subscriber server network elements such as (Home SubscriberServer abbreviate HSS as) forms.
The storage pass-through mode is adopted in short message service (Short Massage Services abbreviates SMS as, is also referred to as short message service).The network element of being responsible for storage forwarding short message in the network is Short Message Service Gateway (SMS-GMSC) and sms center (SMSC).Short Message Service Gateway is for receiving the access switch from sms center message.The USSD business is a kind of real-time interactive data service based on the GSM network.Structure in network is similar to note, has USSD gateway and USSD business processing center.
Because the M2M terminal type is various, the scope of covering is wide, and the industry that relates to is many, therefore, to different professional M2M terminals may transmit in different ways and the MTC server between business datum.For example, for the business of low data bulk, can adopt short message to transmit; For business, can adopt USSD business or IP operation etc. with time controlled attribute.And M2M is existing can to utilize existing network (for example, GSM, UTMS etc.) carrying, also has and can utilize the dedicated network carrying; Attribute according to terminal both can adopt the business in CS territory to transmit, and the business transmission that can adopt the PS territory is also arranged.Therefore, when M2M terminal and MTC server carry out the business transmission, need a gateway to select suitable route according to the attribute and the characteristics of terminal.
Though WAP gateway had both had the transmittability of CS territory business, have the transmittability of PS business again, can be applied to MTC communication.
But WAP gateway is mainly used in the service of terminal access WAP business, WWW website, and need be independent of wireless network based on existing internet.And WAP gateway than higher, require terminal to have the WAP function, and the M2M terminal might be the functional block of equipment, does not have the WAP function, therefore, can not utilize WAP gateway to communicate for this class M2M terminal to the requirement of terminal.
In addition, the function of WAP gateway is to convert the WAP format messages that short message service center transmits to HTTP or TCP/IP.But in the MTC system, the M2M terminal might be only by gateway and MTC server interaction, without short message service center, therefore, uses WAP gateway can't realize communicating by letter between M2M and the MTC server in this situation.
In addition, in actual applications, MTC server and network both might pass through Signalling exchange, again might be mutual by TCP/IP, and also might be mutual by short message.If the employing WAP gateway because WAP gateway can be TCP/IP with short message conversion only, therefore can't guarantee the diversity that the MTC server inserts.
Summary of the invention
Main purpose of the present invention is to provide a kind of method for message transmission and interworking function entity based on the communication of machine class, one of to address the above problem at least.
According to an aspect of the present invention, provide a kind of method for message transmission based on the communication of machine class, comprising: interworking function entity receives the message from the MTC terminal; Interworking function entity obtains the address of MTC server; Interworking function entity is the form that meets the interactive mode of MTC server with above-mentioned message conversion, and the message after will changing sends to the MTC server with this interactive mode.
According to a further aspect in the invention, provide a kind of interworking function entity, having comprised: receiver module, acquisition module, modular converter and sending module.Wherein, receiver module is used to receive the message that the MTC terminal sends; Acquisition module, the address that is used to obtain the MTC server; Modular converter, the message conversion that is used for that receiver module is received are the form that meets the interactive mode of MT reconnaissance C server; Sending module is used for the message after the modular converter conversion is sent to the MTC server with above-mentioned interactive mode.
According to a further aspect of the invention, another kind of method for message transmission based on the communication of machine class is provided, this method comprises: interworking function entity receives the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of MTC terminal in this message; Obtain the attribute information of MTC terminal unit contractual according to this identification information; According to this attribute information and aforementioned capabilities information, select the territory of this message of carrying and the send mode of this message, and on the territory of selecting, adopt this send mode that message is sent to the MTC terminal.
According to a further aspect of the invention, provide another kind of interworking function entity, having comprised: receiver module, acquisition module, selection module and sending module.Wherein, receiver module is used to receive the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of this MTC terminal in this message; Acquisition module is used for the identification information according to the MTC terminal, obtains the attribute information of this MTC terminal unit contractual; Select module, be used for, select the territory of this message of carrying and the send mode of this message according to this attribute information and aforementioned capabilities information; Sending module is used for adopting on the territory of selecting above-mentioned send mode that above-mentioned message is sent to the MTC terminal.
By the present invention, IWF can also carry out suitable conversion with the message that sends to the MTC server according to the interactive mode of MTC server, thereby can guarantee the diversity that the MTC server inserts.And IWF can for the MTC terminal is selected suitable route, thereby can reduce the Capability Requirement to MTC UE according to the subscription data and the ability information of MTC terminal, guarantees the diversity that the MTC terminal inserts.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
The system architecture diagram that Fig. 1 uses for the method for message transmission based on the communication of machine class that provides according to the embodiment of the invention;
Fig. 2 is the flow chart according to a kind of method for message transmission based on MTC of inventive embodiments;
Fig. 3 is the structural representation according to a kind of interworking function entity of the embodiment of the invention;
Fig. 4 is according to the another kind of the inventive embodiments flow chart based on the method for message transmission of MTC;
Fig. 5 is the structural representation according to the another kind of interworking function entity of the embodiment of the invention;
Fig. 6 is the flow chart of embodiment one;
Fig. 7 is the flow chart of embodiment two;
Fig. 8 is the flow chart of embodiment three;
Fig. 9 is the flow chart of embodiment four;
Figure 10 is the flow chart of embodiment five; And
Figure 11 is the flow chart of embodiment six.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
The system architecture diagram that Fig. 1 uses for the method for message transmission based on the communication of machine class that provides according to the embodiment of the invention, as shown in Figure 1, increase interworking function entity (Interworking Function abbreviates IWF as) in embodiments of the present invention and between mobile communications network and MTC server, carry out transmission of messages.
As shown in Figure 1, in embodiments of the present invention, MTC terminal (abbreviating MTC UE as) can be passed through multiple network mode wireless access such as GSM, UTMS and EPS, and, MTC UE promptly can utilize the CS territory bearer service data in the GSM network, also can utilize the PS territory bearer service data in the IP network.
As shown in Figure 1, in embodiments of the present invention, interface between MTC server and the IWF is F, by dissimilar interfaces is set between MTC server and IWF, can realize that Signalling exchange, TCP/IP between MTC server and the IWF is mutual or short message is mutual.
And IWF comprises the interface of PS domain network element:
1, IWF provides SGs interface to MME, receives and handle note and the position updating request of MME by this interface;
2, provide C interface to HSS, send and handle position updating request and answer;
And IWF comprises the interface of CS domain network element:
1, provides E interface to MSC, receive and handle note, USSD and the position updating request function of MSC;
2, provide C interface to HLR, send and handle position updating request and answer or route requests and answer.
Based on the said system framework, the embodiment of the invention provides a kind of method for message transmission based on MTC, and Fig. 2 is the flow chart of this method, and as shown in Figure 2, this method mainly may further comprise the steps (step S202-step S206):
Step S202:IWF receives the message from the MTC terminal;
This message can be that MTC UE sends by mobile communications network, and particularly, MTC UE sends a message to IWF by the mobile management network element of mobile communications network; Perhaps, in embodiments of the present invention, also can increase the interface between MTC UE and the IWF, therefore, this message also can be that MTC UE directly sends to IWF.
Step S204:IWF obtains the address of MTC server, the purpose MTC server that this MTC server is above-mentioned message;
Step S206:IWF is the form that meets the interactive mode of MT reconnaissance C server with this message conversion, and the message after will changing sends to this MTC server with corresponding interactive mode.
The said method that provides by the embodiment of the invention, IWF is receiving MTC UE when sending to the message of MTC server, can message be changed accordingly according to the interactive mode of purpose MTC server, thereby can guarantee the diversity that the MTC server inserts.
In specific implementation process, the address that IWF obtains purpose MTC server includes but not limited to following several method:
(1) MTC UE is when sending above-mentioned message, the address of in this message, carrying purpose MTC server, and IWF obtains the address of the MTC server that carries in this message when receiving this message;
Adopt this mode, IWF can give forwards the MTC server of MTC UE appointment.
(2) MTC UE carries the identification information of this MTC UE in the above-mentioned message that sends, IWF receives after this message, to the user contracting data storage network element request subscription data corresponding with this identification information, the address that from the subscription data that user contracting data storage network element returns, obtains purpose MTC server;
In this way, MTC UE need not carry the address of purpose MTC server, thereby can reduce the size of message when sending message in message, and then can reduce the expense of Internet resources, particularly frequently send the MTC UE of message to the MTC server for needs.
And, when adopting this method, IWF is when user contracting data storage network element gets access to the subscription data of this MTC UE, can preserve this subscription data, when the message that next time receives from this MTC UE, IWF gets access to the address of purpose MTC server in can the subscription data of collateral security, has saved from the flow process of user contracting data storage network element request subscription data, thereby improved efficient, particularly needed the frequent MTC UE that sends message for certain.
(3) mobile management network element is in reception and when IWF transmits the message of MTC UE transmission, to the address of IWF transmission purpose MTC server, the address that IWF receives and obtains this MTC server, thereby the burden of minimizing IWF;
Particularly, the address of this MTC server can be that static configuration is in mobile management network element, for example, can be in advance in mobile management network element the corresponding relation of the address of the identification information of configuration MTC UE or group identity information and MTC server, the address that mobile management network element obtains the MTC server corresponding with this MTC UE according to identification information or the group identity information of MTC UE.
Preferably, in this mode, mobile management network element can be when receiving the message of MTC UE transmission, can judge the address of whether carrying the MTC server in this message earlier, in this message, do not carry under the situation of address of MTC server, just send the address of purpose MTC server, can guarantee like this to send message according to the indication of MTC UE to IWF.
(4) address of static configuration MTC server in IWF, specifically can dispose the corresponding relation of the address of the sign of MTC UE and MTC server, perhaps, also can dispose the address of preferred L TC server, IWF when the message that receives from MTC UE, the address that obtains the MTC server according to static configuration.Adopt this mode can reduce mutual between network element.
In embodiments of the present invention, can adopt between MTC server and the IWF in the following interactive mode carry out one of at least mutual: Signalling exchange, TCP/IP is mutual, short message is mutual.Therefore, the MTC server can adopt plurality of access modes to insert in embodiments of the present invention.
According to the embodiment of the invention, a kind of interworking function entity also is provided, this interworking function entity can be used to the above-mentioned method for message transmission based on MTC of realizing that the embodiment of the invention provides.
Fig. 3 is the structural representation according to the interworking function entity of the embodiment of the invention, and as shown in Figure 3, this interworking function entity comprises: receiver module 30, acquisition module 32, modular converter 34 and sending module 36.Wherein, receiver module 30 is used to receive the message that the MTC terminal sends; Acquisition module 32, the address that is used to obtain the MTC server; Modular converter 34, being used for above-mentioned message conversion is the form that meets the interactive mode of this MTC server; Sending module 36 is used for the above-mentioned message after modular converter 34 conversions is sent to the MTC server with above-mentioned interactive mode.
By the above-mentioned interworking function entity that the embodiment of the invention provides, the message conversion that can will send to the MTC server according to the interactive mode of MTC server is corresponding form, thereby can guarantee the diversity that the MTC server inserts.
Also provide another kind of method for message transmission based on MTC according to the embodiment of the invention, Fig. 4 is the flow chart of this method, and as shown in Figure 4, this method mainly may further comprise the steps (step S402-step S406):
Step S402:IWF receives the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of described MTC terminal in this message;
Step S404:IWF obtains the attribute information of this MTC terminal unit contractual according to above-mentioned identification information;
Step S406: according to above-mentioned attribute information and aforementioned capabilities information, select the territory of this message of carrying and the send mode of this message, and on the territory of selecting, adopt this send mode that described message is sent to MT reconnaissance C terminal.
For example, for the terminal of PS only attribute, IWF can be it and selects the PS territory to transmit data, for the terminal of SMS only, USSD attribute, IWF can be its select in the CS territory SMS USSD transmit data.
By the said method that the embodiment of the invention provides, IWF can be according to signatory attribute and the ability information of MTC UE, for the message that sends to MTC UE is selected suitable route.
In specific implementation process, IWF one of can be in such a way obtains the attribute information of MTC terminal unit contractual:
(1) IWF obtains the subscription data of local this MTCUE that preserves according to the identification information of MTC UE, obtains the signatory attribute information of this MTC UE from subscription data, for example, and PS only, SMS only or USSD;
In specific implementation process, the subscription data of the local MTC UE that preserves of IWF can be preserved when IWF registers for this MTC UE, and particularly, IWF obtains this MTC UE when MTC UE registers attribute information can have following two kinds of implementations:
(1) mobile management network element receive that MTC UE sends adhere to request the time, send position updating request to IWF, IWF is when receiving position updating request, from user contracting data storage network element, obtain the subscription data of this MTC UE, specific implementation process is referring to follow-up embodiment one, adopt this mode not need to initiate registration to IWF separately by MTC UE, thereby reduce reciprocal process;
(2) mobile management network element is in the attaching process of MTC UE, do not initiate position updating request to IWF, but the address of IWF is returned to MTC UE, MTC UE is according to the address of IWF, send register requirement to IWF, IWF obtains the subscription data of this MTC UE from user contracting data storage network element after receiving register requirement, specific implementation process adopts this mode not need mobile management network element is changed referring to follow-up embodiment two.
(2) or, MTC UE is when adhering to, can not register to IWF yet, IWF is receiving the MTC server when sending to the message of MTC UE, identification information according to this MTCUE, to the subscription data of this MTC terminal of user contracting data storage network element request, IWF obtains the signatory attribute of this MTC terminal from the subscription data that user contracting data storage network element returns.
And, in embodiments of the present invention, IWF is behind the send mode of the territory of selecting the above-mentioned message of carrying and message, IWF can store network element to user contracting data and send route requests, and obtain user contracting data and store the routing iinformation that network element returns, according to this routing iinformation, the send mode (short message, USSD, IP mode) of going up the employing selection in the territory of selecting (PS territory or CS territory) sends to the MTC terminal with message.Thereby can guarantee that message sends to purpose MTC terminal apace.
According to the embodiment of the invention, another kind of interworking function entity also is provided, this interworking function entity can be used to realize above-mentioned method for message transmission based on MTC.
Fig. 5 is the structural representation according to the interworking function entity of the embodiment of the invention, and as shown in Figure 5, this interworking function entity comprises: receiver module 50, acquisition module 52, selection module 54 and sending module 56.Wherein, receiver module 50 is used to receive the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of this MTC terminal in this message; Acquisition module 52 is used for the identification information according to this MTC terminal, obtains the attribute information of this MTC terminal unit contractual; Select module 54, be used for, select the territory of this message of carrying and the send mode of this message according to above-mentioned attribute information and ability information; Sending module 56 is used for adopting on the territory of selecting above-mentioned send mode that this message is sent to MT reconnaissance C terminal.
Above-mentioned IWF by the embodiment of the invention, can receive the MTC server when sending to the message of MTC UE, signatory attribute and ability information according to MTC UE, select suitable territory and send mode that message is sent to MTC UE, thereby guaranteed the diversity that MTCUE inserts, also reduced requirement simultaneously MTC UE.
Need to prove that in embodiments of the present invention, if MTC UE adopts the GSM network mode to insert, then mobile management network element is MSC, user contracting data storage network element is HLR; If MTC UE adopts the UTMS network mode to insert, then mobile management network element is SGSN, and user contracting data storage network element is HLR; If MTC UE adopts the EPS network mode to insert, then mobile management network element is MME, and user contracting data storage network element is HSS.
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in further detail, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
Embodiment one
Present embodiment describes IWF obtains MTC UE in the registration process of MTC UE subscription data, in the present embodiment, mobile management network element receive that MTC UE sends adhere to request the time, send position updating request to IWF, so that IWF obtains the subscription data of this MTC UE.Fig. 6 is the flow chart that IWF in the present embodiment obtains subscription data, as shown in Figure 6, mainly may further comprise the steps:
Step 601, the mobile management network element of MTC UE in network initiates to adhere to request, and this adheres to the identification information that carries MTC UE in the request, the ability information of MTC UE;
Step 602, mobile management network element judges that based on the identification information of MTC UE or the ability information of MTCUE this UE is the terminal of Machine Type;
Step 603, mobile management network element sends position updating request to IWF, carries the identification information of MTC UE, the ability information of MTC UE in this position updating request;
Step 604, IWF receiving position update request, registration MTC UE is to the position updating request of user contracting data storage network element forwarding MTC UE;
Step 605, user contracting data storage network element sends the position to IWF and upgrades response, and the subscription data that carries MTC UE in the response is upgraded in this position;
Step 606, IWF sends the position to mobile management network element and upgrades response message;
Step 607 is adhered to and is finished.
By present embodiment, can in the attaching process of MTC UE, finish the registration of MTC UE, thereby save register flow path at IWF.
Embodiment two
Different with embodiment one is, in the present embodiment, carry out the register flow path of MTCUE after finishing adhering at IWF, particularly, in the attaching process of MTC UE, MTCUE obtains the address of IWF, sends login request message to IWF then, and IWF obtains this MTC UE subscription data to user contracting data storage network element.Fig. 7 is the flow chart of present embodiment, as shown in Figure 7, mainly may further comprise the steps:
Step 701, MTC UE finishes attachment flow to network, obtains the address of IWF;
Step 702, MTC UE sends register requirement to IWF, carries the identification information of MTC UE in this register requirement;
In specific implementation process, the identification information of MTC UE can be IMSI, also can identify the information of its identity for other;
Step 703, IWF sends the subscription data request to user contracting data storage network element, carries the identification information of MTC UE in the request;
Step 704, user contracting data storage network element sends the subscription data response to IWF, carries the subscription data of MTC UE in this response;
Step 705, IWF sends registration reply message to MTC UE.
Can not change by present embodiment and to finish the registration of MTCUE on IWF mobile management network element, if M2M selects for use the network of extensive use to do carrying, GSM network for example, the possibility of mobile management network element upgrading is smaller, the relatively more suitable scheme of selecting this embodiment to provide.
Embodiment three
Present embodiment receives the MTC server when sending to the request of MTC UE to IWF, describes for UE selects suitable hosting domain and send mode.
In the present embodiment, MTC UE is by the GSM network insertion, and by CS territory bearer service data, Fig. 8 is the flow chart of method for message transmission in the present embodiment, as shown in Figure 8, mainly may further comprise the steps:
Step 801, the MTC server sends data sending request to IWF, carries identification information and the ability information of MTC UE in this data sending request;
Step 802, IWF obtains the subscription data of local this MTC UE that preserves, obtains the signatory attribute of this MTC UE from subscription data, and in the present embodiment, the signatory attribute of this MTC UE indicates this MTC UE can only adopt CS territory bearer service data;
Step 803, IWF based on the signatory attribute of MTC UE and ability information (for example, this MTC UE can receive short message, whether can be by the IP transmission etc.) select the carrying of CS territory, and select data transmission manner, for example, short message transmission or USSD transmission etc.;
Step 804, IWF sends route requests to HLR, and HLR returns routing iinformation to IWF; This step is optionally, if known its position of MTC terminal of some low mobile attribute then can not need route requests;
Step 805 sends SMS message/subsequent process of USSD message;
Step 806, IWF sends data to the MTC server and sends response.
Embodiment four
Present embodiment receives the MTC server when sending to the request of MTC UE to IWF, describes for UE selects suitable hosting domain and send mode.
In the present embodiment, MTC UE is by the EPS network insertion, and by PS territory bearer service data, Fig. 9 is the flow chart of method for message transmission in the present embodiment, as shown in Figure 9, mainly may further comprise the steps:
Step 901, the MTC server sends data sending request to IWF, carries identification information and the ability information of MTC UE in the request;
Step 902, IWF obtains the subscription data of MTC UE by HSS, obtains the signatory attribute of this MTC UE from subscription data;
In the present embodiment, it is PS only that the signatory attribute of MTC UE is indicated this user, promptly can only pass through PS territory bearer service;
Step 903, IWF judges that based on signatory attribute and the ability information of MTC UE this user is PS only, and selects the routing mode (being send mode) in PS territory; For example, if the terminal of low data bulk can adopt PS territory short message, if the terminal of non-low data bulk might adopt the IP mode;
Step 904, IWF sends route requests to HSS, and HSS returns routing iinformation to IWF.This step is optionally, if known its position of MTC terminal of some low mobile attribute then can not need route requests;
Step 905 sends SMS message/subsequent process of Push message;
Step 906, IWF sends data to the MTC server and sends response.
By present embodiment, IWF can select PS territory bearer service data for the MTC UE of PS only, and selects corresponding send mode according to the ability information of terminal.
Embodiment five
Present embodiment describes the message of how transmitting MTC UE and sending to the MTC server.In the present embodiment, MTC UE is by the GSM network insertion, MTC UE can adopt the professional data that send such as short message, USSD, and IWF can be according to the connection situation of MTC server, the request of MTC UE is converted into suitable IP bag literary composition or other forms is transmitted to the MTC server.
Figure 10 is the flow chart of transmission of messages in the present embodiment, and as shown in figure 10, in the present embodiment, IWF mainly may further comprise the steps the forwards that MTC UE sends to the MTC server:
Step 1001, MTC UE sends business request information to MSC, and the identification information of portability MTC UE in this business request information alternatively, can also carry the address of MTC server in this business request information;
In the present embodiment, this business request information can be SMS or USSD type service message;
Step 1002, MSC judges and does not carry the MTC server address in this business request information that then MSC can select default MTC server address to send to IWF; This step is optional;
Step 1003, MSC transmits above-mentioned business request information to IWF;
Step 1004, if IWF judges the address of not carrying the MTC server in this business request information, and MSC also do not send the address of MTC server to IWF, then IWF sends the subscription data request to HLR, carries the identification information of MTC UE in the request;
Step 1005, HLR sends the subscription data response message to IWF, carries the subscription data of the address that comprises the MTC server in this response message;
In specific implementation process, if carry the address of MTC server in the above-mentioned business request information, or MSC sends the address of MTC server to IWF, and then IWF can get access to the address of MTC server, and need not to carry out above-mentioned steps S1004 and step S1005; Perhaps, the also address of static configuration MTC server in IWF in advance, in this case, IWF directly obtains the address of the MTC server of configuration, also need not to carry out above-mentioned steps S1004 and step S1005;
Step 1006, IWF converts the SMS/USSD service request to the IP request according to the interactive mode of MTC server;
Step 1007, the business request information of IWF after the MTC server sends conversion;
Step 1008, the MTC server returns service response message to IWF;
Step 1009:IWF returns service response message to MSC;
Step 1010:MSC returns service response message to MTC UE.
Wherein, above-mentioned steps 1008～step 1010 is optional.
Embodiment six
Present embodiment describes the message of how transmitting MTC UE and sending to the MTC server.In the present embodiment, MTC UE is by the EPS network insertion, and MTC UE adopts short message to send data, and IWF can be according to the connection situation of MTC server, the request of MTCUE is converted into suitable IP bag literary composition or other forms is transmitted to the MTC server.
Figure 11 is the flow chart of transmission of messages in the present embodiment, and as shown in figure 11, in the present embodiment, IWF mainly may further comprise the steps the forwards that MTC UE sends to the MTC server:
Step 1101 after MTC UE is attached to network, sends short message to MME, and this short message is included in up NAS and sends in the message;
Step 1102, MME is according to the connection of the MME that sets up in the UE attaching process to IWF, sends NAS to IWF and sends message, wherein comprises the short message that receives from UE and the address of MTC server;
Step 1103, IWF becomes service request according to the interactive mode (in the present embodiment, IWF is mutual by signaling and this MTC server) of this MTC server with the short message conversion that receives;
Step 1104, IWF will change the back service request and send to the MTC server;
Step 1105 after the MTC server receives service request, sends service response to the MTC server;
Step 1106, IWF sends descending NAS and sends message to MME, shows short message receiving harvest merit or failure;
Step 1107, MME sends message by descending NAS the short message of receiving is received the result, promptly receives successfully or fails, and sends to MTC UE.
As can be seen from the above description, the technical scheme that provides according to the embodiment of the invention, IWF can be according to the subscription data and the ability information of MTC terminal, for the MTC terminal is selected suitable route, thereby can reduce Capability Requirement, guarantee the diversity that the MTC terminal inserts MTC UE.And IWF can also carry out suitable conversion with the message that sends to the MTC server according to the interactive mode of MTC server, thereby can guarantee that the MTC server inserts diversity, and, can select a plurality of MTC servers for the data that MTC UE sends.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the method for message transmission based on the communication of machine class is characterized in that, comprising:
Interworking function entity receives the message from machine class communication MTC terminal;
Obtain the address of MTC server;
With described message conversion is the form that meets the interactive mode of described MTC server, and the described message after will changing sends to described MTC server with described interactive mode.
2. method according to claim 1 is characterized in that, carries the address of described MTC server in the described message, and described interworking function entity obtains the address of described MTC server from described message.
3. method according to claim 1 is characterized in that, carries the identification information of described MTC terminal in the described message; The address that described interworking function entity obtains described MTC server comprises:
Described interworking function entity is to the user contracting data storage network element request subscription data corresponding with described identification information;
Receive the subscription data that described user contracting data storage network element returns, and the address that from described subscription data, obtains described MTC server.
4. method according to claim 1 is characterized in that, the address that described interworking function entity obtains described MTC server comprises:
Mobile management network element is receiving and when described interworking function entity is transmitted described message, is sending the address of described MTC server to described interworking function entity;
The address that described interworking function entity receives and obtains described MTC server.
5. according to each described method in the claim 1 to 4, it is characterized in that, described interactive mode comprise following one of at least: Signalling exchange, TCP/IP is mutual, short message is mutual.
6. an interworking function entity is characterized in that, comprising:
Receiver module is used to receive the message that the MTC terminal sends;
Acquisition module, the address that is used to obtain the MTC server;
Modular converter, being used for described message conversion is the form that meets the interactive mode of described MTC server;
Sending module is used for the described message after described modular converter conversion is sent to described MTC server with described interactive mode.
7. the method for message transmission based on the communication of machine class is characterized in that, comprising:
Interworking function entity receives the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of described MTC terminal in the described message;
Obtain the attribute information of described MTC terminal unit contractual according to described identification information;
According to described attribute information and described ability information, select the territory of bearing said message and the send mode of described message, and on the described territory of selecting, adopt described send mode that described message is sent to described MTC terminal.
8. method according to claim 7 is characterized in that, described interworking function entity comprises according to the attribute information that described identification information obtains described MTC terminal unit contractual:
Described interworking function entity obtains the subscription data of local described MTC terminal of preserving according to described identification information, obtains the attribute information of described MTC terminal unit contractual from described subscription data.
9. method according to claim 8 is characterized in that, receives at described interworking function entity before the described message of described MTC server transmission, and described method also comprises:
Described MTC terminal is initiated to adhere to request to mobile management network element, wherein, and the described ability information that carries described MTC terminal in the request of adhering to;
Described mobile management network element sends the position updating request of described MTC terminal according to described ability information to described interworking function entity;
After described interworking function entity receives described position updating request, transmit described position updating request to user contracting data storage network element;
Described interworking function entity receives and stores the subscription data of the described MTC terminal that described user contracting data storage network element returns.
10. method according to claim 8 is characterized in that, receives at described interworking function entity before the described message of described MTC server transmission, and described method also comprises:
Described MTC terminal initiates to adhere to request to mobile management network element;
Described MTC terminal receives the response of adhering to that described mobile management network element returns, wherein, and the described address that carries described interworking function entity in the response of adhering to;
Described MTC terminal sends register requirement to described interworking function entity, wherein, carries the identification information of described MTC terminal in the described register requirement;
Described interworking function entity is according to the subscription data of described identification information to the described MTC terminal of user contracting data storage network element request;
Described interworking function entity receives and stores the subscription data of the described MTC terminal that described user contracting data storage network element returns.
11. method according to claim 7 is characterized in that, described interworking function entity comprises according to the attribute information that described identification information obtains described MTC terminal unit contractual:
Described interworking function entity is according to the subscription data of described identification information to the described MTC terminal of user contracting data storage network element request;
Described interworking function entity receives the subscription data of the described MTC terminal that described user contracting data storage network element returns;
Described interworking function entity obtains the attribute information of described MTC terminal unit contractual from described subscription data.
12. according to each described method in the claim 7 to 11, it is characterized in that, before described interworking function entity sends to described MTC terminal with described message, described method also comprises: described interworking function entity sends route requests to user contracting data storage network element, obtains the routing iinformation that described user contracting data storage network element returns.
13. an interworking function entity is characterized in that, comprising:
Receiver module is used to receive the message that the MTC server sends, and wherein, carries the identification information of MTC terminal and the ability information of described MTC terminal in the described message;
Acquisition module is used for the identification information according to described MTC terminal, obtains the attribute information of described MTC terminal unit contractual;
Select module, be used for, select the territory of bearing said message and the send mode of described message according to described attribute information and described ability information;
Sending module is used for adopting on the described territory of selecting described send mode that described message is sent to described MTC terminal.
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