CN104170350B

CN104170350B - A kind of method, apparatus and system of M2M service messages transmission

Info

Publication number: CN104170350B
Application number: CN201280020891.6A
Authority: CN
Inventors: 余芳; 朱雷
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-12-27
Filing date: 2012-12-27
Publication date: 2017-06-16
Anticipated expiration: 2032-12-27
Also published as: CN104170350A; WO2014101069A1

Abstract

The embodiment of the present invention provides a kind of method of M2M service messages transmission, equipment and system, is related to the communications field, and to realize control and management to CoAP message transmitting procedures, the method includes：MTC adapting appts obtain CoAP message, and obtain the first identification information in the CoAP message；The status information of base station is obtained, and the forwarding strategy of the CoAP message is determined according to first identification information and the status information, the embodiment of the present invention is used for the transmission of M2M service messages.

Description

A kind of method, apparatus and system of M2M service messages transmission

Technical field

The present invention relates to the communications field, more particularly to a kind of method that M2M service messages are transmitted, equipment and system.

Background technology

M2M（Machine-to-Machine, machine and machine）Communication refers to using various communication networks（Communication network, mutually Networking, industry network）With information Perception, treatment, realize entering between machine and machine, machine and people row data communication and interact A series of general name of technologies and technical combinations.M2M communication can utilize 3GPP（The3rd Generation Partnership Project, third generation partner program）The service of offer.

Under the existing M2M communication scene based on 3GPP networks, application server with CoAP terminals（User Equipment, user equipment）Carry out CoAP（Constrained Application Protocol, limited applications layer protocol） During interacting message, the CoAP message is by short message or OTT（Over The Top of Internet, mutual Networking " on " business）What the form of message was forwarded, therefore during forwarding, it is not intended that the QoS in network （Quality of Service, service quality）Etc. information, the running status of current network also cannot be just known, so as to be easy to Causing network congestion etc. influences the problem of network proper communication.

The content of the invention

Embodiments of the invention provide a kind of method of M2M service messages transmission, equipment and system, to realize disappearing CoAP Cease the control and management of transmitting procedure.

In a first aspect, the embodiment of the present invention provides a kind of method of M2M service messages transmission, including：

Machine type communication MTC adapting appts obtain limited applications layer protocol CoAP message, and obtain the CoAP message The first identification information, first identification information is the information that CoAP terminals are identified in the CoAP message；

The status information of base station is obtained, and determines that the CoAP disappears according to first identification information and the status information The forwarding strategy of breath.

In first aspect in the first possible implementation method, including：The MTC adapting appts obtain CoAP message packages Include：MTC adapting appts receive the CoAP message that CoAP servers send.

In second possible implementation of first aspect, including：Before MTC adapting appts obtain CoAP message, Also include：MTC adapting appts receive the HTTP message that HTTP HTTP server sends；

The HTTP message is converted into CoAP message.

With reference to any one in first aspect to second possible implementation of first aspect, in the third possible reality In existing mode, the status information of the acquisition base station includes：

The status information of base station is obtained from mobile control node MME or Packet Data Network's PDN Gateway.

With reference to the third possible implementation, in the 4th kind of possible implementation, in the shape of the acquisition base station Before state information, methods described also includes：

Receive the 3rd identification information of the base station that HSS sends, the 3rd identification information of the base station is the HSS according to depositing The information that second identification information of the MME of storage is obtained from the MME；

The status information of the acquisition base station includes：The status information of base station is obtained according to the 3rd identification information.

With reference to any one in the 4th kind of possible implementation of first aspect to first aspect, in the 5th kind of possible reality In existing mode, also include：

MTC adapting appts determine to send the CoAP message according to first identification information and the status information Afterwards, the CoAP message is sent to PDN Gateway；

MTC adapting appts send application layer message to strategy with charging rule functions PCRF, so that the PCRF is according to institute Application layer message and the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information configuration control strategy that obtain are stated, and by the control strategy Send to PDN Gateway, to cause the PDN Gateway after the CoAP message for receiving the transmission of MTC adapting appts, according to institute Control strategy is stated to send to the CoAP terminals CoAP message by the base station.

With reference to the 5th kind of possible implementation, in the 6th kind of possible implementation, methods described also includes：

MTC adapting appts obtain the CoAP terminals according to first identification information from home subscriber server HSS First CAMEL-Subscription-Information；

MTC adapting appts receive the first CAMEL-Subscription-Information of the CoAP terminals that the HSS sends；

MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

With reference to the 5th kind of possible implementation, in the 7th kind of possible implementation, methods described also includes：

Methods described also includes：MTC adapting appts send to PCRF first identification information, so as to the PCRF roots The first CAMEL-Subscription-Information is obtained from HSS according to first identification information.

With reference to any one in the 4th kind of possible implementation of first aspect to first aspect, in the 8th kind of possible reality In existing mode, also include：Determining that the CoAP terminals support IP multimedias according to the first CAMEL-Subscription-Information of the CoAP terminals During subsystem, IMS business, CoAP message is converted to IMS message by MTC adapting appts.

With reference to the 8th kind of possible implementation, in the 9th kind of possible implementation, also include：The MTC adaptations Equipment after determining to send the CoAP message according to first identification information and the status information, by the IMS message Send to CSCF CSCF, so as to the CSCF by the IMS message be converted into session information and transmission extremely PCRF, with the first signing letter for the PCRF is obtained according to the session information and from CAMEL-Subscription-Information server S PR and HSS Breath and the second CAMEL-Subscription-Information obtained from SPR configure control strategy, and the control strategy is sent to PDN Gateway, described PDN Gateway is sent to the CoAP ends IMS message received from the CSCF by the base station according to the control strategy End.

With reference to any one in the 5th kind of possible implementation to the 9th kind of possible implementation, in the tenth kind of possibility Implementation in, also include：

MTC adapting appts determine the CoAP message corresponding group under rule of classification according to packet determination information；It is described Packet determination information includes：The status information of the base station, the first CAMEL-Subscription-Information of the CoAP terminals and the CoAP message Type of service；

It is described to determine that the forwarding strategy of the CoAP message includes according to first identification information and the status information： The forwarding strategy of CoAP message in determining described group and described group according to first identification information and the status information.

With reference to the tenth kind of possible implementation, in a kind of the tenth possible implementation, the rule of classification includes：

It it is one group from same application server and type of service identical CoAP message；Or,

From same application server and type of service is identical, and it is one group to transmit to the CoAP message of same base； Or,

From same application server and type of service is identical, and it is one to transmit to the CoAP message of identical CoAP terminals Group；Or,

From same application server and type of service is identical, and transmit to the CoAP of the CoAP terminals of equal priority Message is one group；Or,

It is one group to transmit to the CoAP message of same base；Or,

It is one group to transmit to the CoAP message of identical CoAP terminals；Or,

It is one group to transmit to the CoAP message of the CoAP terminals of equal priority.

Second aspect, there is provided the method for another M2M service messages transmission, including：

HSS receives the first identification information, and first identification information is the letter of mark CoAP terminals in the CoAP message Breath；

The first CAMEL-Subscription-Information of CoAP terminals is sent to PCRF according to first identification information, so as to the PCRF roots The second CAMEL-Subscription-Information obtained according to first CAMEL-Subscription-Information and from SPR and the application layer message received from MTC adapting appts Configuration control strategy.

In second aspect in the first possible implementation, the HSS receives the first identification information to be included：HSS is received The first identification information that the PCRF sends.

In with reference to second possible implementation of second aspect, the HSS receives the first identification information to be included：HSS connects Receive the first identification information that the MTC adapting appts send；

Described transmission to the PCRF the first CAMEL-Subscription-Information of CoAP terminals according to first identification information includes：Root The first CAMEL-Subscription-Information of CoAP terminals is sent to MTC adapting appts according to first identification information, so that MTC adaptations set It is standby to send to the PCRF first CAMEL-Subscription-Information.

With reference to any one in second aspect to second possible implementation of second aspect, in the third possible reality In existing mode, methods described also includes：

HSS obtains the 3rd mark letter of base station according to second identification information of mobile control node MME from the MME Breath, and the 3rd identification information is sent to the MTC adapting appts, so that the MTC adapting appts are according to the described 3rd Identification information obtains the status information of base station.

The third aspect, there is provided the method for another M2M service messages transmission, including：

PCRF receives the application layer message that MTC adapting appts send；

Obtain the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information；

According to the application layer message and first CAMEL-Subscription-Information and second CAMEL-Subscription-Information configuration control strategy；

The control strategy is sent to PDN Gateway, to cause that the PDN Gateway is receiving the transmission of MTC adapting appts CoAP message after, the CoAP message is sent to CoAP terminals by the base station according to the control strategy.

In the third aspect in the first possible implementation, the PCRF obtains the first CAMEL-Subscription-Information and the second signing letter Breath includes：After MTC adapting appts obtain first CAMEL-Subscription-Information according to the first identification information from HSS, MTC adaptations are received First CAMEL-Subscription-Information that equipment sends；First identification information is to identify the CoAP terminals in the CoAP message Information；

The PCRF obtains second CAMEL-Subscription-Information from SPR.

In second possible implementation of the third aspect, before the PCRF receives the first CAMEL-Subscription-Information, also wrap Include：

The PCRF receives the first identification information that MTC adapting appts send, and first identification information is the CoAP The information of the CoAP terminals is identified in message；

The first CAMEL-Subscription-Information of the acquisition and the second CAMEL-Subscription-Information include：According to first identification information from the HSS It is middle to obtain first CAMEL-Subscription-Information, second CAMEL-Subscription-Information is obtained from the SPR.

With reference to any one in the third aspect to second possible implementation of the third aspect, in the third possible reality In existing mode, after the IMS message received from MTC adapting appts is converted into session information by CSCF, the session information is received； The IMS message is to determine that the CoAP terminals are supported according to the first CAMEL-Subscription-Information of the CoAP terminals in MTC adapting appts During IMS business, the converted message of CoAP message that will be received by MTC adapting appts.

A kind of fourth aspect, there is provided MTC adapting appts, including：

Receiving unit, for obtaining limited applications layer protocol CoAP message, and obtains the first mark in the CoAP message Knowledge information, first identification information is the information of mark CoAP terminals in the CoAP message, and obtains the state letter of base station Breath；

Processing unit, determines for first identification information obtained according to the receiving unit and the status information The forwarding strategy of the CoAP message；

Buffer unit, for caching the CoAP message.

In fourth aspect in the first possible implementation, the receiving unit is specifically for receiving CoAP servers The CoAP message of transmission.

In second possible implementation of fourth aspect, the receiving unit is additionally operable to, obtain CoAP message it Before, receive the HTTP message that HTTP server sends；

The processing unit is additionally operable to, and the HTTP message is converted into CoAP message.

With reference to any one in fourth aspect to second possible implementation of fourth aspect, in the third possible reality In existing mode, the receiving unit is specifically for obtaining the status information of base station from MME or PDN Gateway.

With reference to the third possible implementation, in the 4th kind of possible implementation, the receiving unit is specifically used In, before the status information for obtaining base station, the 3rd identification information of the base station that HSS sends being received, the 3rd of the base station identifies Information is the information that the HSS is obtained according to second identification information of the MME of storage from the MME, and according to described 3rd identification information obtains the status information of base station.

With reference to any one in the 4th kind of possible implementation of first aspect to first aspect, in the 5th kind of possible reality In existing mode, the MTC adapting appts also include：First transmitting element, in the processing unit according to described first After identification information and the status information determine to send the CoAP message, the CoAP message is sent to PDN Gateway, and to plan Application layer message slightly is sent with charging rule functions PCRF, so that the PCRF is according to the application layer message and first for obtaining CAMEL-Subscription-Information and the second CAMEL-Subscription-Information configuration control strategy, and the control strategy is sent to PDN Gateway, it is described to cause PDN Gateway after the CoAP message for receiving the transmission of MTC adapting appts, according to the control strategy by the CoAP message Sent to the CoAP terminals by the base station.

With reference to the 5th kind of possible implementation, in the 6th kind of possible implementation, the receiving unit is additionally operable to, The first CAMEL-Subscription-Information of the CoAP terminals is obtained from home subscriber server HSS according to first identification information, and is received First CAMEL-Subscription-Information and the 3rd identification information of the base station of the CoAP terminals that the HSS sends；The of the base station Three identification informations are the information that the HSS is obtained according to second identification information of the MME of storage from the MME；

First transmitting element is additionally operable to, and first CAMEL-Subscription-Information is sent to the PCRF；

The receiving unit is specifically for obtaining the status information of base station according to the 3rd identification information.

With reference to the 5th kind of possible implementation, in the 7th kind of possible implementation, first transmitting element is also For first identification information being sent to PCRF, so that the PCRF is obtained according to first identification information from HSS First CAMEL-Subscription-Information；

The receiving unit, is additionally operable to receive the 3rd identification information that the HSS sends, and the 3rd identification information is institute State the information that HSS is obtained according to second identification information of the MME of storage from the MME；

The receiving unit is specifically for the 3rd identification information received according to the receiving unit obtains the state of base station Information.

With reference to any one in the 5th kind of possible implementation of fourth aspect to fourth aspect, in the 8th kind of possible reality In existing mode, the processing unit is additionally operable to, and the CoAP terminals are being determined according to the first CAMEL-Subscription-Information of the CoAP terminals When supporting IP multimedia subsystem IMS business, CoAP message is converted into IMS message.

With reference to the 8th kind of possible implementation, in the 9th kind of possible implementation, the MTC adapting appts are also wrapped Include：Second transmitting element, for determining to send the CoAP message according to first identification information and the status information Afterwards, the IMS message is sent to CSCF CSCF, so that the IMS message is converted into meeting by the CSCF Words information is simultaneously sent to PCRF, with cause the PCRF according to the session information and the first CAMEL-Subscription-Information obtained from HSS with And the second CAMEL-Subscription-Information obtained from SPR configures control strategy, and the control strategy is sent to PDN Gateway, the PDN nets Pass is sent to the CoAP terminals IMS message received from the CSCF by the base station according to the control strategy.

With reference to any one in the 5th kind of possible implementation to the 9th kind of possible implementation, the tenth kind can In the implementation of energy, the processing unit is additionally operable to, and determines the CoAP message in rule of classification according to packet determination information Under corresponding group；The packet determines that message includes：First CAMEL-Subscription-Information of the status information of the base station, the CoAP terminals With the type of service of the CoAP message；

The processing unit according to first identification information and the status information specifically for determining described group and institute State the forwarding strategy of CoAP message in group.

It is one group to transmit to the CoAP message of same base；Or,

A kind of 5th aspect, there is provided HSS, including：Receiving unit, for receiving the first identification information, first mark Information is the information of mark CoAP terminals in the CoAP message；

Memory cell, the first CAMEL-Subscription-Information for storing CoAP terminals；

Transmitting element, what the first identification information for being received according to the receiving unit stored the memory cell First CAMEL-Subscription-Information of CoAP terminals is sent to PCRF, so that the PCRF is obtained according to first CAMEL-Subscription-Information and from SPR The second CAMEL-Subscription-Information and from MTC adapting appts receive application layer message configure control strategy.

In the first possible implementation in terms of the 5th, the receiving unit is specifically for receiving the PCRF hairs The first identification information for sending.

In the 5th second possible implementation of aspect, the receiving unit is specifically for receiving the MTC adaptations The first identification information that equipment sends；

The transmitting element is specifically for sending the first CAMEL-Subscription-Information of CoAP terminals according to first identification information To MTC adapting appts, so that the MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

With reference to the 5th aspect to the 5th second possible implementation of aspect, in the third possible implementation, The memory cell is also stored with second identification information of MME；

The receiving unit is additionally operable to, and second identification information of the MME stored according to the memory cell is from the MME Obtain the 3rd identification information of base station；

3rd transmitting element is additionally operable to, and the 3rd identification information is sent to the MTC adapting appts, with toilet State the status information that MTC adapting appts obtain base station according to the 3rd identification information.

A kind of 6th aspect, there is provided PCRF, including：Receiving unit, the application layer letter for receiving the transmission of MTC adapting appts Breath, and obtain the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information；

Transmitting element, for according to the application layer message and first CAMEL-Subscription-Information and second CAMEL-Subscription-Information Configuration control strategy.

In the first possible implementation in terms of the 6th, the receiving unit is specifically in MTC adapting appts roots After first CAMEL-Subscription-Information is obtained from HSS according to the first identification information, first signing that MTC adapting appts send is received Information；First identification information is the information of the CoAP terminals to be identified in the CoAP message and is obtained from SPR described Second CAMEL-Subscription-Information.

In the 6th second possible implementation of aspect, the receiving unit is additionally operable to, and receives MTC adapting appts hair The first identification information for sending, first identification information is the information that the CoAP terminals are identified in the CoAP message, and root First CAMEL-Subscription-Information is obtained from the HSS according to first identification information, second signing is obtained from the SPR Information.

With reference to the 6th aspect to the 6th aspect second possible implementation in any one, in the third possible realization In mode, the receiving unit is additionally operable to, after the IMS message received from MTC adapting appts is converted into session information by CSCF, Receive the session information；The IMS message is to be determined according to the first CAMEL-Subscription-Information of the CoAP terminals in MTC adapting appts When the CoAP terminals support IMS business, the converted message of the CoAP message that will be received by MTC adapting appts.

A kind of 7th aspect, there is provided PDN Gateway, including：

Receiving unit, for receiving the CoAP message of MTC adapting appts transmission, and receives PCRF control strategies；

Transmitting element, the control strategy for being received according to the receiving unit disappears the CoAP that the receiving unit is received Breath is sent to the CoAP terminals by the base station.

A kind of eighth aspect, there is provided CSCF, including：

Receiving unit, the IMS message for receiving the transmission of MTC adapting appts；

Processing unit, for the IMS message being converted into session information and being sent to PCRF, to cause the PCRF roots The first CAMEL-Subscription-Information obtained according to the session information and from HSS and the second CAMEL-Subscription-Information configuration control plan obtained from SPR Slightly, and the control strategy is sent to PDN Gateway, the PDN Gateway will be received according to the control strategy from the CSCF IMS message sent to the CoAP terminals by the base station；

Transmitting element, for the IMS message to be sent to PDN Gateway, so that the PDN Gateway is according to the control plan Slightly the IMS message that the receiving unit is received is sent to the CoAP terminals by the base station.

A kind of 9th aspect, there is provided M2M service messages Transmission system, including：Disappear for sending CoAP to MTC adapting appts The application server of breath or HTTP message；

The MTC adapting appts of above-mentioned fourth aspect description；

The PCRF of above-mentioned 6th aspect description；

The HSS of above-mentioned 5th aspect description；

The PDN Gateway of above-mentioned 7th aspect description；

CoAP terminals for receiving the CoAP message.

In a kind of possible implementation of the 9th aspect, also include：The CSCF of above-mentioned eighth aspect description.

CoAP message is obtained by using such scheme, MTC adapting appts, by the status information and UE of the base station of acquisition The first identification information, can dynamically be determined whether CoAP according to first identification information of the status information of the base station and UE Message is forwarded, so as to realize to the control and management in CoAP message transmitting procedures.

Brief description of the drawings

Fig. 1 is a kind of method schematic diagram of M2M service messages transmission provided in an embodiment of the present invention；

Fig. 2 is the method schematic diagram of another M2M service messages transmission provided in an embodiment of the present invention；

Fig. 3 is the method schematic diagram of another M2M service messages transmission provided in an embodiment of the present invention；

Fig. 4 is a kind of schematic flow sheet of M2M business message transmission methods provided in an embodiment of the present invention；

Fig. 5 is the schematic flow sheet of another M2M business message transmission methods provided in an embodiment of the present invention；

Fig. 6 is a kind of structural representation of MTC adapting appts provided in an embodiment of the present invention；

Fig. 7 is the structural representation of another MTC adapting appts provided in an embodiment of the present invention；

Fig. 8 is the structural representation of another MTC adapting appts provided in an embodiment of the present invention；

Fig. 9 is a kind of structural representation of HSS provided in an embodiment of the present invention；

Figure 10 is a kind of structural representation of PCRF provided in an embodiment of the present invention；

Figure 11 is a kind of structural representation of PDN Gateway provided in an embodiment of the present invention；

Figure 12 is a kind of structural representation of CSCF provided in an embodiment of the present invention；

Figure 13 is a kind of M2M service messages Transmission system schematic diagram provided in an embodiment of the present invention；

Figure 14 is a kind of M2M service messages Transmission system schematic diagram provided in an embodiment of the present invention.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

The embodiment of the present invention provides a kind of method of M2M service messages transmission, as shown in figure 1, the executive agent of the method It is MTC（Machine Type Communications, machine type communication）Adapting appts, the method includes：

S101, MTC adapting appts obtain CoAP message, and obtain the first identification information in the CoAP message.

Wherein, first identification information is the information of mark CoAP terminals in the CoAP message, and specifically, MTC adaptations set For by parsing the CoAP message, so as to obtain the first identification information of the CoAP terminals in the CoAP message.

It should be noted that above-mentioned CoAP terminals can include master terminal and at least one auxiliary terminal, wherein, master terminal 3GPP is supported, auxiliary terminal does not support 3GPP abilities（3GPP business such as without SIM）, master terminal as auxiliary terminal agency's end End carries out the transfer of message, and certain CoAP terminals can also only include master terminal.

For example, the MTC adapting appts can parse Uri-Host fields and Proxy-Uri fields in CoAP message, from And obtain the first identification information of the CoAP terminals；Specifically, if there is no corresponding auxiliary terminal under the master terminal of CoAP terminals, i.e., Do not exist Proxy-Uri fields in the CoAP message, then the Uri-Host fields in the CoAP message are only parsed, so as to be somebody's turn to do First identification information of CoAP terminals, now, the first identification information of the CoAP terminals can be the host name of the CoAP terminals Claim；If to that there should be auxiliary terminal under the master terminal of the CoAP terminals, i.e., there is Proxy-Uri fields in the CoAP message, then parse Uri-Host fields and Proxy-Uri fields in the CoAP message, now, the first identification information of the CoAP terminals can be The identification information of the auxiliary terminal of CoAP message transmission under the master terminal of the Hostname of the CoAP terminals and the CoAP terminals.

Alternatively, MTC adapting appts receive the CoAP message that CoAP servers send,

Further, above-mentioned CoAP servers can also be sent to TDF CoAP message（Traffic Detection Function, business detection functional entity）, so that TDF is after it is determined that the message for receiving is CoAP message, the MTC adapting appts Receive the CoAP message of TDF transmissions.

Specifically, TDF detects the message of reception and includes with coap:// or coaps:The URL of // beginning （Universal Resource Locator, URL）, it is determined that the message is CoAP message.

Alternatively, the CoAP terminals of CoAP agreements are being supported and HTTP is being supported（hypertext transport Protocol, HTTP）Under the scene of the HTTP server interaction of agreement, MTC adapting appts receive hypertext and pass The HTTP message for sending agreement HTTP server to send, therefore, the MTC adapting appts are needed after the HTTP message is received, will The HTTP message is converted to CoAP message.

It is above-mentioned HTTP message is converted into CoAP message to can be understood as：The message is converted into CoAP lattice by HTTP forms Formula, for example：Can by the message with http:// or https:The URL of // beginning is changed to coap:// or coaps:// beginning URL, merely just for example, the present invention is not construed as limiting.

Further, TDF determine receive message for HTTP message and determine the CoAP terminals support CoAP business after, Receive the CoAP message of TDF transmissions.

S102, MTC adapting appts obtain the status information of base station, and true according to first identification information and the status information The forwarding strategy of the fixed CoAP message.

Further, above-mentioned MTC adapting appts can be from MME（Mobility Management Entity, mobile control Node）Or PDN (Packet Data Networks, Packet Data Network) gateway obtains the status information of base station

Wherein, the status information of above-mentioned base station can be the congestion information of base station or the load information of base station.

For example, when the MTC adapting appts know the purpose base station of the CoAP message according to above-mentioned first identification information, and The status information of base station is obtained after receiving the CoAP message, so as to know that purpose base station is in sky according to the status information of base station Not busy state or congestion state, if the purpose base station is in idle condition, it is determined that the CoAP message is sent to the purpose base Stand；If the purpose base station is in congestion state, the CoAP message is abandoned or time delay sends, so as to realize disappearing the CoAP The forwarding of breath is controlled and manages, it is to avoid the generation of the problems such as causing network congestion.

Specifically, before the status information of the acquisition base station, MTC adapting appts receive the 3rd mark of the base station that HSS sends Knowledge information.

Wherein, the 3rd identification information of the base station is the HSS according to second identification information of the MME of storage from the MME The information of middle acquisition；

MTC adapting appts obtain the status information of base station according to the 3rd identification information.

Above-mentioned 3rd identification information can include：

E-UTRAN Cell Global Identity are E-UTRAN（Evolved Universal Terrestrial Radio Access Network, the Universal Terrestrial wireless access network of evolution）Cellular global identity, the information refers to CoAP terminals most New Serving cell；

E-UTRAN Cell Identity Age are the E-UTRAN cell ID time limits, and the information refers to from getting the cell Elapsed time after global identity.

Further, MTC adapting appts are determining that transmission should according to first identification information and the status information After CoAP message, the CoAP message is sent to PDN Gateway.

MTC adapting appts are to PCRF（Policy and Charging Rules Function, strategy and charging regulation work( Energy）Application layer message is sent, so that the PCRF is according to the application layer message and the first CAMEL-Subscription-Information for obtaining and the second signing Information configuration control strategy, and the control strategy is sent to PDN Gateway, to cause that the PDN Gateway is set receiving MTC adaptations After the CoAP message that preparation is sent, the CoAP message is sent to the CoAP terminals by the base station according to the control strategy.

Above-mentioned control strategy mainly include PDN Gateway according to rule name or traffic ID or business datum flow template or Person's gateway status or qos parameter send the CoAP message, and this is not limited by the present invention.

It should be noted that the PDN Gateway is sent to before the CoAP terminals by the CoAP message by the base station, also The foundation or activation that can be carried according to the control strategy, so that the PDN Gateway sends out the CoAP message by the base station Deliver to the CoAP terminals.

Wherein, the application layer message includes：It is the related information of bandwidth requirement information, application layer conversation, flow state information, excellent The information such as first level configured information, emergent session configured information, application-layer events mark, this is not limited by the present invention.

First CAMEL-Subscription-Information includes：The positional information of CoAP terminals, the authentication information of CoAP terminals, service profile Etc. information, for example：

MPS EPS priority are MPS（Multimedia Priority Service, multimedia preperence operation）EPS （Evolved Packet System, evolved packet system）Preferentially, the information is used to indicate CoAP terminals to be signed in in EPS domains MPS。

EPS subscribed QoS profile are EPS signing QoS attributes.

EPS PDN Subscribed Charging Characteristics are EPS PDN signing charging characteristics.

Homogenous Support of IMS Over PS Sessions for MME are IMS Over PS sessions Homogeneity is supported to indicate, and the information is used to indicate " IMS Over PS（IMS in ps domain）All TAs of the ability of session " in MME （Tracking Area, tracking area）In can be by support of equal value（Take identical strategy）.

In the present embodiment, first CAMEL-Subscription-Information also includes in addition to including above-mentioned essential information：CoAP terminals The general identifications of application service provider, the first identification information and equipment.Wherein, the general identifications of the equipment are default unique mark One mark of equipment.

Second CAMEL-Subscription-Information includes：The business that contracted user allows；

For the preempting priority of each business；

The QoS that contracted user allows（Quality of Service, service quality）Information, the guarantee bandwidth comprising signing Etc. parameter；

The information related to charging of contracted user, such as positional information etc.；

The information such as the type of contracted user.

Further, above-mentioned PCRF obtains the first CAMEL-Subscription-Information includes following two modes：

Mode one：MTC adapting appts are according to first identification information from HSS (Home Subscriber Server, ownership Client server) obtain the first CAMEL-Subscription-Information of the CoAP terminals.

MTC adapting appts receive the first CAMEL-Subscription-Information of the CoAP terminals of HSS transmissions；

MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

Specifically, MTC adapting appts send inquiry request message to HSS, and the inquiry request message includes first mark Information, so that the HSS obtains the first CAMEL-Subscription-Information of the CoAP terminals of storage according to first identification information and sends to MTC Adapting appts, the MTC adapting appts send to PCRF first CAMEL-Subscription-Information.

MTC adapting appts receive the first CAMEL-Subscription-Information of the CoAP terminals of HSS transmissions.

Wherein, the first CAMEL-Subscription-Information of the CoAP terminals that are stored with the HSS and second identification information of the MME.

Mode two：MTC adapting appts send to PCRF first identification information, so that the PCRF is according to first mark Information obtains the first CAMEL-Subscription-Information from HSS.

Specifically, PCRF sends inquiry request message, the inquiry request after first identification information is received to HSS Message includes first identification information, so that the HSS is according to the first of the CoAP terminals of first identification information acquisition storage CAMEL-Subscription-Information is simultaneously sent to the PCRF.

It should be noted that above-mentioned mode one and mode two are two kinds of implementations, this hair that the present embodiment is provided Bright that this is not construed as limiting, other can realize that MTC adapting appts obtain the mode of first CAMEL-Subscription-Information also should be of the invention Within protection domain.

So, above-mentioned PCRF receives first CAMEL-Subscription-Information, and the position of CoAP terminals is included due to first CAMEL-Subscription-Information The information such as confidence breath, the authentication information of CoAP terminals, service profile, it is achieved thereby that the CoAP message transmission network networks are to this Auxiliary terminal under the master terminal of the CoAP terminals of CoAP message transmission it is visible so that it is convenient the CoAP message is carried out strategy and Charging control.

In addition, MTC adapting appts determine the CoAP message corresponding group under rule of classification according to packet determination information.

Wherein, the packet determines that message includes：The status information of the base station, the first CAMEL-Subscription-Information of the CoAP terminals and should The type of service of CoAP message, and CoAP message in determining the group and the group according to first identification information and the status information Forwarding strategy.

Specific rule of classification can include：

From same application server and type of service is identical, and it is one to transmit to the CoAP message of identical CoAP terminals Group；

Can be specifically from same application server and type of service is identical, and to transmit to identical CoAP terminals The CoAP message of the auxiliary terminal under master terminal is one group；

Or,

From same application server and type of service is identical, and transmit to the CoAP of the CoAP terminals of equal priority Message is one group；

Can be specifically from same application server and type of service is identical, and to transmit to equal priority CoAP The CoAP message of the auxiliary terminal under the master terminal of terminal is one group；

Or,

It is one group to transmit to the CoAP message of same base；Or,

Then MTC adapting appts are according to corresponding group of any one determination in above-mentioned rule of classification CoAP message.

It should be noted that above-mentioned rule of classification can be with pre-configured, MTC adapting appts are receiving CoAP message Can determine that corresponding group of the CoAP message afterwards.

For example：MTC adapting appts receive two CoAP message simultaneously（It is designated as CoAP message A and CoAP message B）, and Transmit the CoAP message to same base for one group as rule of classification in the case of, determine that CoAP message A is transmitted to purpose Base station A, CoAP message B are transmitted to purpose base station B, then CoAP message A is divided into the corresponding A groups of purpose base station A, by this CoAP message B is divided to the corresponding B groups of purpose base station B,

If purpose base station A is in idle condition；And purpose base station B is in congestion state, then the CoAP in A groups is preferentially sent Message, the CoAP message in B groups is then abandoned or time delay sends；Conversely, the CoAP message in B groups is then preferentially sent, in A groups CoAP message is then abandoned or time delay sends；

Further, it is determined that send A groups in CoAP message when, if MTC adapting appts determine the CoAP message in A groups Excessively, the maximum quantity that purpose base station can bear has been exceeded, then the MTC adapting appts can also be according to CoAP message in A groups Application layer in priority message, determine in same group the preferential CoAP message for sending.

It should be noted that being here to illustrate to transmit to the CoAP message of same base as one group as rule of classification Illustrate, specific rule of classification also has a lot, does not just list one by one here, but should all fall into protection scope of the present invention it It is interior.

By corresponding group of process of above-mentioned determination CoAP message, when MTC adapting appts receive extensive application server The CoAP message of transmission（For example more than 100 message）When, MTC adapting appts avoid one CoAP message of every reception and are required for The repetitive operation of the status information of base station is obtained, and only needs to obtain a status information for base station, just can determine that reception The forwarding strategy of CoAP message, so that the convenient CoAP message to reception is controlled and manages.

Further, determine that the CoAP terminals are supported according to the first CAMEL-Subscription-Information of the CoAP terminals in MTC adapting appts During IP multimedia subsystem IMS business, CoAP message is converted to IMS message by MTC adapting appts.

Specifically, CoAP message is converted to IMS message and can be understood as by above-mentioned MTC adapting appts：By the message by CoAP forms are converted to IMS forms.

If in addition, the unregistered IMS business of the CoAP terminals, the MTC adapting appts also need the IMS for triggering the CoAP terminals to note Volume.

Further, the MTC adapting appts are determining that transmission should according to first identification information and the status information After CoAP message, the IMS message is sent to CSCF CSCF, so that be converted into for the IMS message by the CSCF Session information is simultaneously sent to PCRF, to cause that the PCRF is obtained according to the session information and from CAMEL-Subscription-Information server S PR and HSS The first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information for being obtained from SPR configure control strategy, and the control strategy is sent to PDN Gateway, the PDN Gateway is sent to the CoAP ends IMS message received from the CSCF by the base station according to the control strategy End.

Specifically, the IMS message is converted into session information and can be understood as by above-mentioned CSCF：CSCF is obtained according to IMS message Take the related information of the corresponding application layer conversation of the message.

The method transmitted using above-mentioned M2M service messages, MTC adapting appts obtain CoAP message, by the base station for obtaining Status information and CoAP terminals the first identification information, can be according to the first of the status information of the base station and CoAP terminals the mark Knowledge information dynamically determines whether to be forwarded CoAP message, so as to realize to the control in CoAP message transmitting procedures and pipe Reason.

The embodiment of the present invention provides a kind of method of M2M service messages transmission, as shown in Fig. 2 the executive agent of the method It is HSS, the method includes：

S201, HSS receive the first identification information.

Wherein, first identification information is the information of mark CoAP terminals in the CoAP message.

Alternatively, HSS receives the first identification information that PCRF sends.

Specifically, MTC adapting appts send to PCRF the first identification information, PCRF further according to first identification information from The first CAMEL-Subscription-Information is obtained in HSS.

Alternatively, HSS receives the first identification information of MTC adapting appts transmission.

S202, HSS are sent to PCRF the first CAMEL-Subscription-Information of CoAP terminals according to first identification information, so as to this The second CAMEL-Subscription-Information and the application layer from the reception of MTC adapting appts that PCRF is obtained according to first CAMEL-Subscription-Information and from SPR Information configuration control strategy.

Further, HSS obtains the 3rd identification information of base station according to second identification information of MME from the MME, and will 3rd identification information is sent to the MTC adapting appts, so that the MTC adapting appts obtain base station according to the 3rd identification information Status information.

MPS EPS priority are MPS（Multimedia Priority Service, multimedia preperence operation）EPS Preferentially, the information is used to indicate CoAP terminals to be signed in MPS in EPS domains.

EPS subscribed QoS profile are EPS signing QoS attributes.

Homogenous Support of IMS Over PS Sessions for MME are IMS Over PS sessions Homogeneity is supported to indicate, and the information is used to indicate " IMS Over PS（IMS in ps domain）All TAs of the ability of session " in MME In can be by support of equal value（Take identical strategy）.

Above-mentioned 3rd identification information can include：

E-UTRAN Cell Global Identity are E-UTRAN Cell Global Identifier, and the information refers to CoAP terminals most New Serving cell；

Further, after the first CAMEL-Subscription-Information and the 3rd identification information is sent to MTC adapting appts, the MTC is adapted to HSS This obtains the status information of base station according to the 3rd identification information to equipment, and determines that the CoAP message exists according to packet determination information Corresponding group under rule of classification.

Wherein, the packet determines that message includes：The status information of the base station, the first CAMEL-Subscription-Information of the CoAP terminals and should The type of service of CoAP message, the MTC adapting appts determine the group and the group according to first identification information and the status information The forwarding strategy of middle CoAP message.

Rule of classification described above includes：

Or,

It is one group to transmit to the CoAP message of same base；Or,

First CAMEL-Subscription-Information of CoAP terminals is sent to MTC and fitted by the method transmitted using above-mentioned M2M service messages, HSS With equipment, so that the MTC adapting appts send to PCRF first CAMEL-Subscription-Information, the CoAP message transmission network networks pair are realized Auxiliary terminal under the master terminal of the CoAP terminals of CoAP message transmission it is visible strategy is carried out to the CoAP message so that convenient And charging control.

The embodiment of the present invention provides a kind of method of M2M service messages transmission, as shown in figure 3, the executive agent of the method It is PCRF, the method includes：

S301, PCRF receive the application layer message that MTC adapting appts send.

S302, PCRF obtain the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information.

EPS subscribed QoS profile are EPS signing QoS attributes.

For the preempting priority of each business；

The parameters such as the QoS information that contracted user allows, the guarantee bandwidth comprising signing；

The information such as the type of contracted user.

Further, above-mentioned PCRF receives the first CAMEL-Subscription-Information includes following two implementations：

Mode one：After MTC adapting appts obtain first CAMEL-Subscription-Information according to the first identification information from HSS, receive First CAMEL-Subscription-Information that MTC adapting appts send.

Wherein, first identification information is the information that the CoAP terminals are identified in the CoAP message.

The PCRF obtains second CAMEL-Subscription-Information from SPR.

Mode two：Before the PCRF receives the first CAMEL-Subscription-Information, also include：

The PCRF receives the first identification information that MTC adapting appts send, and first identification information is in the CoAP message Identify the information of the CoAP terminals；

The CAMEL-Subscription-Information of acquisition first and the second CAMEL-Subscription-Information include：Obtained from the HSS according to first identification information First CAMEL-Subscription-Information, obtains second CAMEL-Subscription-Information from the SPR.

It should be noted that above-mentioned mode one and mode two are two kinds of implementations, this hair that the present embodiment is provided Bright that this is not construed as limiting, other can realize that MTC adapting appts receive the mode of first CAMEL-Subscription-Information also should be of the invention Within protection domain.

S303, PCRF are according to the application layer message and first CAMEL-Subscription-Information and second CAMEL-Subscription-Information configuration control plan Slightly.

S304, PCRF send to PDN Gateway the control strategy, to cause that the PDN Gateway is receiving MTC adapting appts After the CoAP message of transmission, the CoAP message is sent to CoAP terminals by the base station according to the control strategy.

Alternatively, determine that the CoAP terminals support IP according to the first CAMEL-Subscription-Information of the CoAP terminals in MTC adapting appts During multimedia subsystem, IMS business, after the IMS message received from MTC adapting appts is converted into session information by CSCF, PCRF Receive the session information.

Wherein, the IMS message is to determine CoAP ends according to the first CAMEL-Subscription-Information of the CoAP terminals in MTC adapting appts When IMS business is supported at end, the converted message of CoAP message that will be received by MTC adapting appts.

The method transmitted using above-mentioned M2M service messages, PCRF receives the first signing letter of MTC adapting appts transmission Breath, realize auxiliary terminal under the master terminal in the CoAP that the CoAP message transmission networks network is transmitted to the CoAP message can See, so that convenient carry out strategy and charging control to the CoAP message.

The embodiment of the present invention provides a kind of method of M2M service messages transmission, as shown in figure 4, the method includes：

S401, application server send CoAP message to MTC adapting appts.

If it should be noted that there is TDF in system, application server is first sent to the TDF CoAP message, at this After it is determined that the message for receiving is CoAP message, the MTC adapting appts receive the CoAP message of TDF transmissions to TDF.

Specifically, TDF detects the message of reception and includes with coap:// or coaps:The URL of // beginning, it is determined that should Message is CoAP message.

Further, the CoAP terminals and the scene for supporting the application server of http protocol to interact of CoAP agreements are being supported Under, the MTC adapting appts also need to for the HTTP message to be converted to CoAP after receiving the HTTP message sent by HTTP server Message, it is above-mentioned HTTP message is converted into CoAP message to can be understood as：The message is converted into CoAP forms by HTTP forms, For example：Can by the message with http:// or https:The URL of // beginning is changed to coap:// or coaps:// beginning URL, merely just for example, the present invention is not construed as limiting.

S402, MTC adapting appts obtain the first identification information in the CoAP message.

Wherein, first identification information is the information of mark CoAP terminals in the CoAP message, and specifically, MTC adaptations set It is standby by parsing the CoAP message, so as to obtain the first identification information of the CoAP terminals in the CoAP message,

S403, MTC adapting appts send inquiry request message to HSS.

Wherein, the inquiry request message includes the first identification information.

S404, the HSS obtain the first CAMEL-Subscription-Information of the CoAP terminals of storage according to first identification information.

EPS subscribed QoS profile are EPS signing QoS attributes.

S405, the HSS obtain the 3rd identification information of the base station according to second identification information of the MME from the MME.

Wherein, the HSS is stored with second identification information of the first CAMEL-Subscription-Information and the MME, and above-mentioned 3rd identification information can To include：

S406, HSS send first CAMEL-Subscription-Information and the 3rd identification information to MTC adapting appts.

S407, MTC adapting appts obtain the status information of base station according to the 3rd identification information from MME or PDN Gateway.

S408, MTC adapting appts determine the CoAP message corresponding group under rule of classification according to packet determination information.

Wherein, the packet determines that message includes：The status information of the base station, the first CAMEL-Subscription-Information of the CoAP terminals and should The type of service of CoAP message.

Specific rule of classification can include：

Or,

It is one group to transmit to the CoAP message of same base；Or,

S409, MTC adapting appts according to first identification information and the status information determine by the CoAP message send to PDN Gateway.

S410, MTC adapting appts send to PCRF first CAMEL-Subscription-Information, and send application layer message to the PCRF.

Further, PCRF also obtains the second CAMEL-Subscription-Information from SPR.

Wherein, second CAMEL-Subscription-Information includes：The business that contracted user allows；

For the preempting priority of each business；

The information such as the type of contracted user.

S411, PCRF are according to first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information and application layer message configuration control strategy.

S412, PCRF send to PDN Gateway the control strategy.

Foundation or activation that S413, PDN Gateway are carried according to the control strategy.

S414, PDN Gateway are sent to the CoAP ends CoAP message by the base station after foundation or activation is carried End.

It should be noted that for above method embodiment, in order to be briefly described, therefore it is all expressed as a series of dynamic Combine, but those skilled in the art should know, and the present invention is not limited by described sequence of movement, because foundation The present invention, some steps can sequentially or simultaneously be carried out using other.Secondly, those skilled in the art should also know, say Embodiment described in bright book belongs to preferred embodiment, and involved action and module not necessarily present invention institute are necessary 's.

The method transmitted using above-mentioned M2M service messages, MTC adapting appts obtain CoAP message, by the base station for obtaining Status information and CoAP terminals the first identification information, can be according to the first of the status information of the base station and CoAP terminals the mark Knowledge information dynamically determines whether to be forwarded CoAP message, so as to realize to the control in CoAP message transmitting procedures and pipe Reason.Meanwhile, PCRF obtains the first CAMEL-Subscription-Information of the CoAP terminals, realizes the CoAP message transmission networks network to the CoAP message Auxiliary terminal under the master terminal of the CoAP terminals of transmission it is visible so that convenient carry out strategy and charging control to the CoAP message System.

The embodiment of the present invention provides a kind of method of M2M service messages transmission, as shown in figure 5, embodiment of the present invention application In under the scene that CoAP terminals support IP multimedia subsystem IMS business, the method includes：

S501 is identical with above-mentioned steps S401.

S502 is identical with above-mentioned steps S402.

S503 is identical with above-mentioned steps S403.

S504 is identical with above-mentioned steps S404.

S505 is identical with above-mentioned steps S405.

S506 is identical with above-mentioned steps S406.

S507 is identical with above-mentioned steps S407.

S508 is identical with above-mentioned steps S408.

S509, MTC adapting appts according to the first CAMEL-Subscription-Information determine the CoAP support IMS business when, MTC adapting appts CoAP message is converted into IMS message.

S510, MTC adapting appts according to first identification information and the status information determine by the IMS message send to CSCF。

The IMS message is converted into session information and sent to PCRF by S511, CSCF.

The first signing message that S512, the PCRF are obtained according to the session information and from HSS and from SPR acquisitions second CAMEL-Subscription-Information configures control strategy.

For the preempting priority of each business；

The information such as the type of contracted user.

S513, PCRF send to PDN Gateway the control strategy.

Foundation or activation that S514, PDN Gateway are carried according to the control strategy.

S515, PDN Gateway are sent to the CoAP ends CoAP message by the base station after foundation or activation is carried End.

The method transmitted using the above-mentioned M2M service messages in the case where CoAP terminals support IMS business scenarios, MTC adaptations are set It is standby to obtain CoAP message, by the status information and the first identification information of CoAP terminals of the base station of acquisition, can be according to the base The status information and the first identification information of CoAP terminals stood dynamically determine whether to be forwarded CoAP message, so as to realize To control and management in CoAP message transmitting procedures.Meanwhile, PCRF obtains the first CAMEL-Subscription-Information of the CoAP terminals, realizes Auxiliary terminal under the master terminal of the CoAP terminals that the CoAP message transmission networks network is transmitted to the CoAP message it is visible so that convenient Strategy and charging control are carried out to the CoAP message.

The embodiment of the present invention provides a kind of MTC adapting appts 600, as shown in fig. 6, including：

Receiving unit 601, for obtaining limited applications layer protocol CoAP message, and obtains the first mark in the CoAP message Knowledge information.

Processing unit 602, determines for first identification information obtained according to the receiving unit 601 and the status information The forwarding strategy of the CoAP message.

Wherein, the status information of the base station can be the congestion information of base station or the load information of base station.

Buffer unit 603, for caching the CoAP message.

Alternatively, the receiving unit 601 is specifically for receiving the CoAP message that CoAP servers send.

Further, the receiving unit 601 is additionally operable to, and after TDF determines the message for receiving for CoAP message, receiving should The CoAP message that TDF sends.

Alternatively, the receiving unit 601 is additionally operable to, and before CoAP message is obtained, receives what HTTP server sent HTTP message.

The processing unit 602 is additionally operable to, and the HTTP message is converted into CoAP message.

Further, the receiving unit 601 is additionally operable to, and the message determined in TDF is HTTP message and determines CoAP ends After CoAP business is supported at end, the CoAP message of TDF transmissions is received.

Alternatively, the receiving unit 601 is specifically for obtaining the status information of base station from MME or PDN Gateway.

Specifically, the receiving unit is specifically for before the status information for obtaining base station, receiving the base station that HSS sends 3rd identification information, the 3rd identification information of the base station is the HSS according to second identification information of the MME of storage from the MME The information of middle acquisition, and the status information of base station is obtained according to the 3rd identification information.

Above-mentioned 3rd identification information can include：

Further, as shown in fig. 7, the MTC adapting appts 600 also include：First transmitting element 604, in this place After determining to send the CoAP message according to first identification information and the status information, being sent to PDN Gateway should for reason unit 602 CoAP message, and application layer message is sent with charging rule functions PCRF to strategy, so that the PCRF is according to the application layer message Control strategy is configured with the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information for obtaining, and the control strategy is sent to PDN Gateway, To cause that the PDN Gateway after the CoAP message for receiving the transmission of MTC adapting appts, disappears the CoAP according to the control strategy Breath is sent to the CoAP terminals by the base station.

EPS subscribed QoS profile are EPS signing QoS attributes.

For the preempting priority of each business；

The information such as the type of contracted user.

Alternatively, the receiving unit 601 is additionally operable to, and is obtained from home subscriber server HSS according to first identification information First CAMEL-Subscription-Information of the CoAP terminals, and receive the first CAMEL-Subscription-Information and the base station of the CoAP terminals of HSS transmissions 3rd identification information；3rd identification information of the base station is the HSS according to second identification information of the MME of storage from the MME The information of middle acquisition；

First transmitting element 604 is additionally operable to, and first CAMEL-Subscription-Information is sent to the PCRF；

The receiving unit 601 is specifically for obtaining the status information of base station according to the 3rd identification information.

Alternatively, first transmitting element 604 is additionally operable to, and first identification information is sent to PCRF, so as to the PCRF First CAMEL-Subscription-Information is obtained from HSS according to first identification information；

The receiving unit 601, is additionally operable to receive the 3rd identification information that the HSS sends, and the 3rd identification information is the HSS The information that second identification information of the MME according to storage is obtained from the MME；

The receiving unit 601 is specifically for obtaining the status information of base station according to the 3rd identification information for receiving.

Alternatively, in the case where CoAP terminals support IMS business scenarios, the processing unit is additionally operable to, according to the CoAP terminals The first CAMEL-Subscription-Information determine the CoAP terminals support IP multimedia subsystem IMS business when, CoAP message is converted into IMS and is disappeared Breath.

Further, as shown in figure 8, the MTC adapting appts 600 also include：Second transmitting element 605, in basis After first identification information and the status information determine to send the CoAP message, the IMS message is sent to Call-Establish-Success rate Function CSCF, by the IMS message is converted into session information and sends to PCRF, to cause the PCRF according to the meeting so as to the CSCF Words information and the first CAMEL-Subscription-Information obtained from HSS and the second CAMEL-Subscription-Information obtained from SPR configure control strategy, and should Control strategy is sent to PDN Gateway, and the IMS message that the PDN Gateway will be received according to the control strategy from the CSCF passes through the base Stand and send to the CoAP terminals.

Further, the processing unit 602 is additionally operable to, and determines the CoAP message in rule of classification according to packet determination information Under corresponding group.

The processing unit 602 according to first identification information and the status information specifically in determining the group and the group The forwarding strategy of CoAP message.

Further, the rule of classification includes：

It is one group to transmit to the CoAP message of same base；Or,

In addition, affiliated those skilled in the art can be understood that, and for convenience and simplicity of description, foregoing description MTC adapting appts in unit specific work process, it is right in the embodiment of the method described by earlier figures 1 to may be referred to Process is answered, be will not be repeated here.

The MTC adapting appts provided using above-described embodiment, MTC adapting appts obtain CoAP message, by the base for obtaining The status information and the first identification information of CoAP terminals stood, can be according to the first of the status information of the base station and CoAP terminals Identification information dynamically determines whether to be forwarded CoAP message, thus realize to the control in CoAP message transmitting procedures and Management.

The embodiment of the present invention provides a kind of HSS900, as shown in figure 9, including：

Receiving unit 901, for receiving the first identification information.

Wherein, first identification information is the information of mark CoAP terminals in the CoAP message

Memory cell 902, the first CAMEL-Subscription-Information for storing CoAP terminals；

Transmitting element 903, what the first identification information for being received according to the receiving unit 901 stored the memory cell First CAMEL-Subscription-Information of CoAP terminals is sent to PCRF, so as to the PCRF obtained according to first CAMEL-Subscription-Information and from SPR the Two CAMEL-Subscription-Information and the application layer message received from MTC adapting appts configure control strategy.

EPS subscribed QoS profile are EPS signing QoS attributes.

For the preempting priority of each business；

The information such as the type of contracted user.

Alternatively, the receiving unit is specifically for receiving the first identification information of PCRF transmissions.

Alternatively, the receiving unit 901 is specifically for receiving the first identification information of MTC adapting appts transmission.

The transmitting element 903 is specifically for sending the first CAMEL-Subscription-Information of CoAP terminals according to first identification information To MTC adapting appts, so that the MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

Further, the memory cell 902 is also stored with second identification information of MME；

The receiving unit 901 is additionally operable to, and second identification information of the MME stored according to the memory cell 902 is from the MME Obtain the 3rd identification information of base station；

The transmitting element 903 is additionally operable to, and the 3rd identification information is sent to the MTC adapting appts, so that the MTC is adapted to Equipment obtains the status information of base station according to the 3rd identification information.

Above-mentioned 3rd identification information can include：

It should be noted that affiliated those skilled in the art can be understood that, for convenience and simplicity of description, The specific work process of unit in the HSS of foregoing description, may be referred to the corresponding process in preceding method embodiment, herein Repeat no more.

The HSS provided using above-described embodiment, HSS are sent to MTC adapting appts the first CAMEL-Subscription-Information of CoAP terminals, So that the MTC adapting appts send to PCRF first CAMEL-Subscription-Information, the CoAP message transmission networks network is realized to the CoAP Auxiliary terminal under the master terminal of the CoAP terminals of message transmission it is visible so that convenient carry out strategy and charging to the CoAP message Control.

The embodiment of the present invention provides a kind of PCRF1000, as shown in Figure 10, including：

Receiving unit 1001, for receive MTC adapting appts transmission application layer message, and obtain the first CAMEL-Subscription-Information and Second CAMEL-Subscription-Information.

Transmitting element 1002, for being matched somebody with somebody according to the application layer message and first CAMEL-Subscription-Information and second CAMEL-Subscription-Information Put control strategy.

EPS subscribed QoS profile are EPS signing QoS attributes.

For the preempting priority of each business；

The information such as the type of contracted user.

Alternatively, the receiving unit 1001 from HSS according to the first identification information in MTC adapting appts specifically for obtaining After taking first CAMEL-Subscription-Information, first CAMEL-Subscription-Information that MTC adapting appts send is received；First identification information is the CoAP The information of the CoAP terminals is identified in message and second CAMEL-Subscription-Information is obtained from SPR.

Alternatively, the receiving unit 1001 is additionally operable to, and receives the first identification information that MTC adapting appts send, and this first Identification information is to identify the information of the CoAP terminals in the CoAP message, and is obtained from the HSS according to first identification information First CAMEL-Subscription-Information, obtains second CAMEL-Subscription-Information from the SPR.

Further, in the case where CoAP terminals support IMS business scenarios, the receiving unit is additionally operable to, and will be fitted from MTC in CSCF After the IMS message received with equipment is converted into session information, the session information is received.

It should be noted that affiliated those skilled in the art can be understood that, for convenience and simplicity of description, The specific work process of unit in the PCRF of foregoing description, may be referred to the corresponding process in preceding method embodiment, This is repeated no more.

The PCRF provided using above-described embodiment, PCRF receive the first CAMEL-Subscription-Information of MTC adapting appts transmission, realize The auxiliary terminal under master terminal in the CoAP that the CoAP message transmission networks network is transmitted to the CoAP message it is visible so that side Just strategy and charging control are carried out to the CoAP message.

The embodiment of the present invention provides a kind of PDN Gateway 1100, as shown in figure 11, including：

Receiving unit 1101, for receiving the CoAP message of MTC adapting appts transmission, and receives the control plan of PCRF transmissions Slightly.

It should be noted that above-mentioned control strategy is the application layer message that PCRF sends according to MTC adapting appts and from HSS What the first CAMEL-Subscription-Information of middle acquisition and the second CAMEL-Subscription-Information obtained from SPR were configured.

EPS subscribed QoS profile are EPS signing QoS attributes.

For the preempting priority of each business；

The information such as the type of contracted user.

Transmitting element 1102, what the control strategy for being received according to the receiving unit 1101 received the receiving unit CoAP message is sent to the CoAP terminals by the base station.

The PDN Gateway provided using above-described embodiment, the PDN Gateway receives the CoAP message that MTC adapting appts send, and The policing rule that PCRF sends is received, and is sent to CoAP terminals the CoAP message according to the policing rule, it is right so as to realize Control and management in CoAP message transmitting procedures.

The embodiment of the present invention provides a kind of CSCF1200, as shown in figure 12, including：

Receiving unit 1201, the IMS message for receiving the transmission of MTC adapting appts.

Processing unit 1202, for the IMS message being converted into session information and being sent to PCRF, to cause the PCRF roots The first CAMEL-Subscription-Information obtained according to the session information and from HSS and the second CAMEL-Subscription-Information obtained from SPR configure control strategy, And send to PDN Gateway the control strategy, the PDN Gateway leads to the IMS message received from the CSCF according to the control strategy The base station is crossed to send to the CoAP terminals.

Wherein, first CAMEL-Subscription-Information includes：The positional information of CoAP terminals, the authentication information of CoAP terminals, business label The about information such as information, for example：

EPS subscribed QoS profile are EPS signing QoS attributes.

Homogenous Support of IMS Over PS Sessions for MME are IMS Over PS sessions Homogeneity is supported to indicate, and the information is used to indicate " IMS Over PS（IMS in ps domain）All TAs of the ability of session " in MME.

For the preempting priority of each business；

The information such as the type of contracted user.

Transmitting element 1203, for the IMS message to be sent to PDN Gateway, so that the PDN Gateway is according to the control strategy The IMS message that the receiving unit is received is sent to the CoAP terminals by the base station.

The CSCF provided using above-described embodiment, the CSCF sends to PCRF IMS message, and the PCRF receives the MTC The first CAMEL-Subscription-Information that adapting appts send, realizes the CoAP terminals that the CoAP message transmission networks network is transmitted to the CoAP message Master terminal under auxiliary terminal it is visible so that convenient carry out strategy and charging control to the CoAP message.

The embodiment of the present invention provides a kind of M2M service messages Transmission system, as shown in figure 13, including：Application server 1301, for sending CoAP message or HTTP message to MTC adapting appts.

CoAP message is sent if application server is CoAP servers, is sent if application server is HTTP server HTTP message.

The MTC adapting appts 600 of above-mentioned Fig. 6 to Fig. 8 descriptions；

The PCRF1000 of above-mentioned Figure 10 descriptions；

The HSS900 of above-mentioned Fig. 9 descriptions；

The PDN Gateway 1100 of above-mentioned Figure 11 descriptions；

CoAP terminals 1302, for receiving CoAP message.

Further, as shown in figure 14, the system also includes：The CSCF1200 of above-mentioned Figure 12 descriptions.

It should be noted that the system can be 3GPP system.

The system provided using above-described embodiment, MTC adapting appts obtain CoAP message, the state of the base station by obtaining First identification information of information and CoAP terminals, can be according to the status information of the base station and the first identification information of CoAP terminals Dynamically determine whether to be forwarded CoAP message, so as to realize to the control and management in CoAP message transmitting procedures.Together When, PCRF obtains the first CAMEL-Subscription-Information of the CoAP terminals, realizes the CoAP message transmission networks network and the CoAP message is transmitted CoAP terminals master terminal under auxiliary terminal it is visible so that convenient carry out strategy and charging control to the CoAP message.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light Disk etc. is various can be with the medium of store program codes.

The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

1. a kind of method that M2M service messages are transmitted, it is characterised in that including：

Machine type communication MTC adapting appts obtain limited applications layer protocol CoAP message, and obtain in the CoAP message the One identification information, first identification information is the information of mark CoAP terminals in the CoAP message；

The status information of base station is obtained, and the CoAP message is determined according to first identification information and the status information Forwarding strategy.

2. method according to claim 1, it is characterised in that the MTC adapting appts obtain CoAP message to be included：MTC Adapting appts receive the CoAP message that CoAP servers send.

3. method according to claim 2, it is characterised in that the MTC adapting appts obtain CoAP message to be included：In industry Business detection functional entity TDF determines the message for receiving after CoAP message, to receive the CoAP message that the TDF sends.

4. method according to claim 1, it is characterised in that before MTC adapting appts obtain CoAP message, also wrap Include：MTC adapting appts receive the HTTP message that HTTP HTTP server sends；

The HTTP message is converted into CoAP message.

5. method according to claim 4, it is characterised in that the MTC adapting appts obtain CoAP message to be included： After TDF determines the message for receiving for HTTP message and the determination CoAP terminals support CoAP business, receive what the TDF sent The CoAP message.

6. the method according to any one of claim 1 to 5, it is characterised in that the status information of the acquisition base station includes：

7. method according to claim 6, it is characterised in that before the status information of the acquisition base station, methods described Also include：

The 3rd identification information of the base station that HSS sends is received, the 3rd identification information of the base station is the HSS according to storage The information that second identification information of the MME is obtained from the MME；

8. the method according to claim 1 to 5,7 any one, it is characterised in that also include：

MTC adapting appts after determining to send the CoAP message according to first identification information and the status information, to PDN Gateway sends the CoAP message；

MTC adapting appts send application layer message to strategy with charging rule functions PCRF, so that the PCRF should according to Control strategy is configured with layer information and the first CAMEL-Subscription-Information for obtaining and the second CAMEL-Subscription-Information, and the control strategy is sent To PDN Gateway, to cause the PDN Gateway after the CoAP message for receiving the transmission of MTC adapting appts, according to the control System strategy sends to the CoAP terminals CoAP message by the base station.

9. method according to claim 8, it is characterised in that methods described also includes：

MTC adapting appts obtain the first of the CoAP terminals according to first identification information from home subscriber server HSS CAMEL-Subscription-Information；

MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

10. method according to claim 8, it is characterised in that methods described also includes：MTC adapting appts are by described One identification information is sent to PCRF, so that the PCRF obtains the first CAMEL-Subscription-Information according to first identification information from HSS.

11. method according to claim 1 to 5,7 any one, it is characterised in that also include：According to the CoAP ends When first CAMEL-Subscription-Information at end determines that the CoAP terminals support IP multimedia subsystem IMS business, MTC adapting appts are by CoAP Message is converted to IMS message.

12. methods according to claim 11, it is characterised in that also include：The MTC adapting appts are according to described After one identification information and the status information determine to send the CoAP message, the IMS message is sent to call session control Function CSCF processed, by the IMS message is converted into session information and sends to PCRF, to cause the PCRF so as to the CSCF The first CAMEL-Subscription-Information obtained according to the session information and from CAMEL-Subscription-Information server S PR and HSS and obtained from SPR the Two CAMEL-Subscription-Information configure control strategy, and the control strategy is sent to PDN Gateway, and the PDN Gateway is according to the control Strategy sends to the CoAP terminals IMS message received from the CSCF by the base station.

13. methods according to claim 8, it is characterised in that also include：

MTC adapting appts determine the CoAP message corresponding group under rule of classification according to packet determination information；The packet Determine that information includes：The industry of the status information of the base station, the first CAMEL-Subscription-Information of the CoAP terminals and the CoAP message Service type；

It is described to determine that the forwarding strategy of the CoAP message includes according to first identification information and the status information：According to First identification information and the status information determine the forwarding strategy of CoAP message described in described group and described group.

14. methods according to claim 13, it is characterised in that the rule of classification includes：

From same application server and type of service is identical, and it is one group to transmit to the CoAP message of same base；Or,

From same application server and type of service is identical, and it is one group to transmit to the CoAP message of identical CoAP terminals； Or,

From same application server and type of service is identical, and transmit to the CoAP message of the CoAP terminals of equal priority It is one group；Or,

It is one group to transmit to the CoAP message of same base；Or,

A kind of 15. methods of M2M service messages transmission, it is characterised in that including：

HSS receives the first identification information, and first identification information is the information of mark CoAP terminals in CoAP message；

The first CAMEL-Subscription-Information of CoAP terminals is sent to PCRF according to first identification information, so that the PCRF is according to institute State the first CAMEL-Subscription-Information and the second CAMEL-Subscription-Information obtained from SPR and the application layer message configuration received from MTC adapting appts Control strategy.

16. methods according to claim 15, it is characterised in that the HSS receives the first identification information to be included：HSS connects Receive the first identification information that the PCRF sends.

17. methods according to claim 15, it is characterised in that the HSS receives the first identification information to be included：HSS connects Receive the first identification information that the MTC adapting appts send；

Described transmission to the PCRF the first CAMEL-Subscription-Information of CoAP terminals according to first identification information includes：According to institute State the first identification information to send to MTC adapting appts the first CAMEL-Subscription-Information of CoAP terminals, so that the MTC adapting appts will First CAMEL-Subscription-Information is sent to the PCRF.

18. method according to any one of claim 15 to 17, it is characterised in that methods described also includes：

HSS obtains the 3rd identification information of base station according to second identification information of mobile control node MME from the MME, and 3rd identification information is sent to the MTC adapting appts, so that the MTC adapting appts are according to the described 3rd mark letter Breath obtains the status information of base station.

A kind of 19. methods of M2M service messages transmission, it is characterised in that including：

PCRF receives the application layer message that MTC adapting appts send；

The control strategy is sent to PDN Gateway, to cause that the PDN Gateway is receiving the transmission of MTC adapting appts After CoAP message, the CoAP message is sent to CoAP terminals by base station according to the control strategy.

20. methods according to claim 19, it is characterised in that the PCRF obtains the first CAMEL-Subscription-Information and the second signing Information includes：After MTC adapting appts obtain first CAMEL-Subscription-Information according to the first identification information from HSS, receive MTC and fit Arrange first CAMEL-Subscription-Information that preparation is sent；First identification information be the CoAP message in identify the CoAP terminals Information；

The PCRF obtains second CAMEL-Subscription-Information from SPR.

21. methods according to claim 19, it is characterised in that before the PCRF receives the first CAMEL-Subscription-Information, also Including：

The PCRF receives the first identification information that MTC adapting appts send, and first identification information is the CoAP message The information of the middle mark CoAP terminals；

The first CAMEL-Subscription-Information of the acquisition and the second CAMEL-Subscription-Information include：Institute is obtained from HSS according to first identification information The first CAMEL-Subscription-Information is stated, second CAMEL-Subscription-Information is obtained from SPR.

22. method according to any one of claim 19 to 21, it is characterised in that will be connect from MTC adapting appts in CSCF After the IMS message of receipts is converted into session information, the session information is received；The IMS message is according to institute in MTC adapting appts When the first CAMEL-Subscription-Information for stating CoAP terminals determines that the CoAP terminals support IMS business, will be received by MTC adapting appts The converted message of CoAP message.

A kind of 23. MTC adapting appts, it is characterised in that including：

Receiving unit, for obtaining limited applications layer protocol CoAP message, and obtains the first mark letter in the CoAP message Breath, first identification information is the information of mark CoAP terminals in the CoAP message, and obtains the status information of base station；

Processing unit, for described in first identification information obtained according to the receiving unit and status information determination The forwarding strategy of CoAP message；

Buffer unit, for caching the CoAP message.

24. MTC adapting appts according to claim 23, it is characterised in that the receiving unit is specifically for receiving The CoAP message that CoAP servers send.

25. MTC adapting appts according to claim 24, it is characterised in that the receiving unit is additionally operable to, true in TDF After the message of reception is CoAP message calmly, the CoAP message that the TDF sends is received.

26. MTC adapting appts according to claim 23, it is characterised in that the receiving unit is additionally operable to, are obtaining Before CoAP message, the HTTP message that HTTP server sends is received；

27. MTC adapting appts according to claim 26, it is characterised in that the receiving unit is additionally operable to, true in TDF After fixed message is for HTTP message and the determination CoAP terminals support CoAP business, the CoAP that the TDF sends is received Message.

The 28. MTC adapting appts according to any one of claim 23 to 27, it is characterised in that the receiving unit is specific For obtaining the status information of base station from MME or PDN Gateway.

29. MTC adapting appts according to claim 28, it is characterised in that the receiving unit is specifically for obtaining Before the status information of base station, the 3rd identification information of the base station that HSS sends is received, the 3rd identification information of the base station is described The information that HSS is obtained according to second identification information of the MME of storage from the MME, and according to the described 3rd mark letter Breath obtains the status information of base station.

The 30. MTC adapting appts according to claim 23 to 27,29 any one, it is characterised in that the MTC adaptations set It is standby also to include：First transmitting element, in the processing unit according to first identification information and the status information It is determined that after sending the CoAP message, sending the CoAP message to PDN Gateway, and sent out with charging rule functions PCRF to strategy Application layer message is sent, so that the PCRF is according to the application layer message and the first CAMEL-Subscription-Information for obtaining and the second signing letter Breath configuration control strategy, and the control strategy is sent to PDN Gateway, to cause that the PDN Gateway is receiving MTC adaptations After the CoAP message that equipment sends, the CoAP message is sent to described by the base station according to the control strategy CoAP terminals.

31. MTC adapting appts according to claim 30, it is characterised in that the receiving unit is additionally operable to, according to described First identification information obtains the first CAMEL-Subscription-Information of the CoAP terminals from home subscriber server HSS, and receives the HSS hairs First CAMEL-Subscription-Information and the 3rd identification information of the base station of the CoAP terminals sent；3rd identification information of the base station For the information that the HSS is obtained according to second identification information of the MME of storage from the MME；

32. according to claim 30 MTC adapting appts, it is characterised in that first transmitting element is additionally operable to, will be described First identification information is sent to PCRF, so that the PCRF obtains the first signing letter according to first identification information from HSS Breath；

The receiving unit, is additionally operable to receive the 3rd identification information that the HSS sends, and the 3rd identification information is described The information that HSS is obtained according to second identification information of the MME of storage from the MME；

The receiving unit is specifically for the 3rd identification information received according to the receiving unit obtains the state letter of base station Breath.

The 33. MTC adapting appts according to claim 23 to 27,29 any one, it is characterised in that the processing unit is also For determining that the CoAP terminals support IP multimedia subsystem IMS industry according to the first CAMEL-Subscription-Information of the CoAP terminals During business, CoAP message is converted into IMS message.

34. MTC adapting appts according to claim 33, it is characterised in that the MTC adapting appts also include：Second Transmitting element, for after determining to send the CoAP message according to first identification information and the status information, by institute State IMS message to send to CSCF CSCF, so that the IMS message is converted into session information simultaneously by the CSCF Send to PCRF, obtained with the first CAMEL-Subscription-Information for the PCRF is obtained according to the session information and from HSS and from SPR The the second CAMEL-Subscription-Information configuration control strategy for taking, and the control strategy is sent to PDN Gateway, the PDN Gateway is according to institute Control strategy is stated to send to the CoAP terminals IMS message received from the CSCF by the base station.

35. MTC adapting appts according to claim 30, it is characterised in that the processing unit is additionally operable to, according to packet Determine that information determines the CoAP message corresponding group under rule of classification；The packet determines that message includes：The base station The type of service of status information, the first CAMEL-Subscription-Information of the CoAP terminals and the CoAP message；

The processing unit according to first identification information and the status information specifically for determining described group and described group Described in CoAP message forwarding strategy.

36. MTC adapting appts according to claim 35, it is characterised in that the rule of classification includes：

It is one group to transmit to the CoAP message of same base；Or,

A kind of 37. HSS, it is characterised in that including：

Receiving unit, for receiving the first identification information, first identification information is mark CoAP terminals in CoAP message Information；

Transmitting element, the CoAP ends that the first identification information for being received according to the receiving unit stores the memory cell End the first CAMEL-Subscription-Information send to PCRF, so as to the PCRF according to first CAMEL-Subscription-Information and from SPR obtain second CAMEL-Subscription-Information and the application layer message received from MTC adapting appts configure control strategy.

38. HSS according to claim 37, it is characterised in that the receiving unit is specifically for receiving the PCRF hairs The first identification information for sending.

39. HSS according to claim 37, it is characterised in that the receiving unit is specifically for receiving the MTC and fitting Arrange the first identification information that preparation is sent；

The transmitting element specifically for, according to first identification information by the first CAMEL-Subscription-Information of CoAP terminals send to MTC adapting appts, so that the MTC adapting appts send to the PCRF first CAMEL-Subscription-Information.

40. HSS according to any one of claim 37 to 39, it is characterised in that the memory cell is also stored with MME's Second identification information；

The receiving unit is additionally operable to, and second identification information of the MME stored according to the memory cell is obtained from the MME 3rd identification information of base station；

The transmitting element is additionally operable to, and the 3rd identification information is sent to the MTC adapting appts, so that the MTC is suitable The status information of base station is obtained according to the 3rd identification information with equipment.

A kind of 41. PCRF, it is characterised in that including：

Receiving unit, the application layer message for receiving the transmission of MTC adapting appts, and obtain the first CAMEL-Subscription-Information and the second signing Information；

42. PCRF according to claim 41, it is characterised in that the receiving unit is specifically in MTC adapting appts After first CAMEL-Subscription-Information is obtained from HSS according to the first identification information, first label that MTC adapting appts send are received About information；First identification information is the information of mark CoAP terminals in CoAP message and second label is obtained from SPR About information.

43. PCRF according to claim 41, it is characterised in that the receiving unit is additionally operable to, receive MTC adapting appts The first identification information for sending, first identification information is the information that the CoAP terminals are identified in the CoAP message, and First CAMEL-Subscription-Information is obtained from HSS according to first identification information, second CAMEL-Subscription-Information is obtained from SPR.

44. PCRF according to any one of claim 41 to 43, it is characterised in that the receiving unit is additionally operable to, After the IMS message received from MTC adapting appts is converted into session information by CSCF, the session information is received；The IMS message Be when MTC adapting appts determine that the CoAP terminals support IMS business according to the first CAMEL-Subscription-Information of the CoAP terminals, by The converted message of CoAP message that MTC adapting appts will be received.

A kind of 45. PDN Gateway, it is characterised in that including：

Transmitting element, the CoAP message that the control strategy for being received according to the receiving unit receives the receiving unit is led to Base station is crossed to send to CoAP terminals.

A kind of 46. CSCF, it is characterised in that including：

Processing unit, for the IMS message being converted into session information and being sent to PCRF, to cause the PCRF according to institute The second CAMEL-Subscription-Information stated session information and the first CAMEL-Subscription-Information obtained from HSS and obtained from SPR configures control strategy, and The control strategy is sent to PDN Gateway, the IMS that the PDN Gateway will be received according to the control strategy from the CSCF Message is sent to CoAP terminals by base station；

Transmitting element, for the IMS message to be sent to PDN Gateway, so that the PDN Gateway will according to the control strategy The IMS message that the receiving unit is received is sent to the CoAP terminals by the base station.

A kind of 47. M2M service messages Transmission systems, it is characterised in that including：Application server, MTC adapting appts, PCRF, HSS, PDN Gateway and CoAP terminals,

The application server is used to send CoAP message or HTTP message to MTC adapting appts；

The MTC adapting appts include the MTC adapting appts described in any one of claim 23 to 36；

The PCRF includes the PCRF described in any one of claim 41 to 44；

The HSS includes the HSS described in any one of claim 37 to 40；

The PDN Gateway includes the PDN Gateway described in the claim 45；

The CoAP terminals are used to receive the CoAP message.

48. according to the above-mentioned system of claim 47, it is characterised in that also include：CSCF,

The CSCF includes the CSCF described in claim 46.