CN102325004A - Signalling sending method and device - Google Patents
Signalling sending method and device Download PDFInfo
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- CN102325004A CN102325004A CN201110198664A CN201110198664A CN102325004A CN 102325004 A CN102325004 A CN 102325004A CN 201110198664 A CN201110198664 A CN 201110198664A CN 201110198664 A CN201110198664 A CN 201110198664A CN 102325004 A CN102325004 A CN 102325004A
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Abstract
The embodiment of the invention discloses a signalling sending method and device, relating to the technical field of wireless communications and being used for reducing the processing complexity of a network edge device. In the invention, the network edge device receives a control signalling (for an MTC terminal) sent by an MTC (machine type communication) server; an external identification (ID) of the MTC terminal is carried in the control signalling; the network edge device determines a GUTI (globally unique temporary ID) corresponding to the external identification carried by the control signalling in accordance with a mapping relationship between a maintained external ID and the GUTI, and determines a service MME (mobility management entity) of the MTC terminal in accordance with the GUTI as well as sends the control signalling to the service MME. The method and device provided by the invention can be used to reduce the processing complexity of the network edge device.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of signaling method and equipment.
Background technology
In order to support that (the 3GPP tissue has proposed MTC communication system framework as shown in Figure 1 at present for Machine to Machine, M2M) communication for machine and machine.From the functional hierarchy aspects, mainly (Machine Type Communication, MTC) server (MTC Server), 3GPP mobile communications network and MTC terminal (MTC Device) three parts are formed by the communication of machine class for it.It is outside that MTC Server is in 3GPP network system scope, and by Virtual network operator or third party service provider management and control, the 3GPP network provides the network connection to MTC Server for the MTC terminal.
The MTC interconnecting function (MTC-Inter working function, MTC-IWF) entity is a network edge device, to external shield the details of 3GPP network topology.This entity is controlled Signalling exchange through the MTCsp interface and the MTC Server of redetermination, calls the specific function that the 3GPP network provides through the signaling protocol on relaying or the conversion MTCsp interface, for MTC Server provides the transparent service that controls.
Through MTCsp control signaling interface, MTC Server can send control signaling to the 3GPP network, request to the terminal trigger, control, manage, operation such as maintenance, thereby realize the MTC traffic performance.For example, trigger (MTC device triggering) characteristic for the MTC terminal, MTC Server can send trigger request to the MTC-IWF entity through the MTCsp interface, with the request network target terminal is initiated to trigger, and it is set up with MTC Server communicate by letter.When the transmit operation of MTC terminal was instructed, MTCServer needs can the involved purpose MTC terminal of unique identification operation.
In the 3GPP network; Signatory use IMSI International Mobile Subscriber Identity between user and Virtual network operator (International Mobile Subscriber Identity; IMSI); This sign is stored in universal subscriber identity module, and (Universal Subscriber Identity Module is USIM) in the card.The identity of IMSI sign oneself can be used in the terminal of inserting usim card when access network.Yet in order to protect user's privacy, the system wireless interface should reduce the IMSI that uses the user in principle as far as possible.Therefore; Evolved packet system (Evolved Packet System; EPS) in the system, (Mobility Management Entity MME) is global unique temporary identity symbol (Globally Unique Temporary ID of terminal distribution to mobile management entity; GUTI) be used to protect user's IMSI, GUTI also can be designated EPS network and the MME that the user provides service simultaneously.GUTI mainly is made up of following two parts roughly: GUTI=GUMMEI+M-TMSI; GUMMEI is global unique MME sign (Globally Unique MME Identity); Be used for the MME that unique identification is terminal distribution GUTI; M-TMSI is MME Temporary Mobile Subscriber Identity (MME-Temporary Mobile SubscriberIdentity), is used for the terminal of this MME of unique identification.
For the problem how the MTC terminal identifies at MTC Server place, a kind of the most directly solution is to use IMSI, and promptly MTC Server uses IMSI to come the recognition purpose terminal.Yet, on network to the external interface of MTC Server, directly use IMSI to exist the security risk that IMSI is stolen.During use, higher security reliability requirement has been proposed system interface.In addition, be under the situation of third party service provider management and control at MTC Server, allow MTC Server directly to use IMSI to exist the security risk that IMSI exposes, be unfavorable for protecting user's privacy.Therefore, in current standard discussion process, propose terminal iidentification is divided into outside sign and internal indicator.Internal indicator mainly is meant IMSI (also having other certainly); And possibly there is various ways in outside sign; As the universe name (Fully QualifiedDomain Name, FQDN), the unified resource name (Uniform Resource Name, URN), unified resource sign (Uniform Resource Identifier; SIP URI) etc., its main purpose is to be convenient to user's memory and use.
In realizing process of the present invention, the inventor finds to exist in the prior art following technical problem:
MTC-IWF need obtain routing iinformation from HLR/HSS when receiving the MTC server to the control signaling at MTC terminal, to find the serving MME at MTC terminal, the Message Processing link that this has increased MTC-IWF makes the processing complexity of MTC-IWF higher.And the external interface between MTC server and MTC-IWF uses IMSI as terminal iidentification, exists the security risk that IMSI exposes, and is unfavorable for protecting the privacy of user profile.
Summary of the invention
The embodiment of the invention provides a kind of signaling method and equipment, is used to reduce the processing complexity of network edge device.
A kind of signaling method, this method comprises:
Network edge device receives the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Network edge device is according to the mapping relations of the outside sign of safeguarding with global unique temporary identity GUTI; Confirm that the outside of carrying in the said control signaling identifies corresponding GUTI; Confirm the service mobility management entity MME at said MTC terminal according to this GUTI, and send said control signaling to this serving MME.
A kind of signaling sending device, this device comprises:
The signaling receiving element is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Sign is confirmed the unit, is used for confirming the corresponding GUTI of outside sign that carries in the said control signaling according to the mapping relations of the outside sign of safeguarding with global unique temporary identity GUTI;
The signaling transmitting element is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
A kind of machine class communication interconnecting function MTC-IWF entity, this MTC-IWF entity comprises above-mentioned signaling sending device.
In the such scheme; Network edge device receive that the MTC server sends to the control signaling at MTC terminal the time; According to the mapping relations of the outside sign of safeguarding with GUTI; Confirm that the outside of carrying in the control signaling identifies corresponding GUTI, confirms the serving MME at MTC terminal then, and sends control signaling to this serving MME according to this GUTI.It is thus clear that network edge device need not obtain the routing iinformation at MTC terminal from HLR/HSS in this programme, but the GUTI at the MTC terminal that direct basis is confirmed confirms the serving MME at MTC terminal, thereby has reduced the processing complexity of network edge device.
A kind of signaling method, this method comprises:
Machine class communication MTC server generates or receives the control signaling to said MTC terminal;
The MTC server sends said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
A kind of signaling method, this method comprises:
Network edge device receives the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the global unique temporary identity GUTI at said MTC terminal in this control signaling;
Network edge device is confirmed the service mobility management entity MME at said MTC terminal according to said GUTI, and sends said control signaling to this serving MME.
A kind of signaling sending device, this device comprises:
The signaling generation unit is used to generate or receive the control signaling to said MTC terminal;
The signaling transmitting element is used for sending said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
A kind of machine class communication MTC server, this MTC server comprises above-mentioned signaling sending device.
A kind of signaling sending device, this device comprises:
The signaling receiving element is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the global unique temporary identity GUTI at said MTC terminal in this control signaling;
The signaling transmitting element is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
A kind of machine class communication interconnecting function MTC-IWF entity, this MTC-IWF entity comprises above-mentioned signaling sending device.
In the such scheme; The MTC server sends the control signaling of the GUTI that carries the MTC terminal to network edge device; Network edge device is directly confirmed the serving MME at MTC terminal according to the GUTI that carries in this control signaling when receiving this control signaling, and send control signaling to this serving MME.It is thus clear that network edge device need not obtain the routing iinformation at MTC terminal from HLR/HSS in this programme, but directly confirm the serving MME at MTC terminal, thereby reduced the processing complexity of network edge device according to the GUTI in the control signaling.In addition; Use GUTI to avoid externally transmission and the use of IMSI on MTC Server on the interface of IMSI as terminal iidentification at the external interface between MTC server and the network edge device; Can strengthen the fail safe that IMSI uses so effectively, thereby improve the privacy of user profile.
Description of drawings
Fig. 1 is a 3GPP MTC architectural framework sketch map in the prior art;
The method flow sketch map that Fig. 2 provides for the embodiment of the invention;
Another method schematic flow sheet that Fig. 3 provides for the embodiment of the invention;
Another method schematic flow sheet that Fig. 4 provides for the embodiment of the invention;
Another method schematic flow sheet that Fig. 5 provides for the embodiment of the invention;
Fig. 6 A is the schematic flow sheet of the embodiment of the invention one;
Fig. 6 B is the schematic flow sheet of the embodiment of the invention two;
Fig. 6 C is the schematic flow sheet of the embodiment of the invention three;
The device structure sketch map that Fig. 7 provides for the embodiment of the invention;
Another device structure sketch map that Fig. 8 provides for the embodiment of the invention;
Another device structure sketch map that Fig. 9 provides for the embodiment of the invention.
Embodiment
In order to reduce the processing complexity of network edge device; The embodiment of the invention provides a kind of signaling method, in this method, network edge device receive that the MTC server sends to the control signaling at MTC terminal the time; According to the mapping relations of the outside sign of safeguarding with GUTI; Confirm that the outside of carrying in the control signaling identifies corresponding GUTI, confirms the serving MME at MTC terminal then, and sends control signaling to this serving MME according to this GUTI.
Referring to Fig. 2, the signaling method that the embodiment of the invention provides may further comprise the steps:
Step 20: network edge device receives the control signaling to the MTC terminal that the MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Here, the control signaling to the MTC terminal that the MTC server sends can be the control signaling that MTC server self generates, and also can be that MTC uses the control signaling of sending.
Step 21: network edge device is according to the mapping relations of the outside sign of safeguarding with GUTI; Confirm that the outside of carrying in the said control signaling identifies corresponding GUTI; Confirm the serving MME at said MTC terminal according to this GUTI, and send said control signaling to this serving MME.
Because GUTI mainly is made up of GUMMEI and M-TMSI, wherein GUMMEI is used for the MME that unique identification is terminal distribution GUTI, therefore can confirm the serving MME at MTC terminal according to the GUMMEI among the GUTI.
Preferable, before sending said control signaling to this serving MME, network edge device can carry out protocol conversion and adaptation processing to said control signaling, so that said control signaling meets the regulation of 3GPP procotol.
Concrete, said network edge device can be for the MTC-IWF entity etc.Said outside sign can be FQDN or URN or SIP URI etc.
In order to reduce the processing complexity of network edge device; The embodiment of the invention provides another kind of signaling method; In this method; Network edge device receive that the MTC server sends to the control signaling at MTC terminal the time, directly confirm the serving MME at MTC terminal, and send control signaling to this serving MME according to the GUTI that carries in this control signaling.
Referring to Fig. 3, the signaling method to the network edge device side may further comprise the steps:
Step 30: network edge device receives the control signaling to the MTC terminal that the MTC server sends; Carry the GUTI at said MTC terminal in this control signaling;
Step 31: network edge device is confirmed the serving MME at said MTC terminal according to said GUTI, and sends said control signaling to this serving MME.
Preferable, before sending said control signaling to this serving MME, network edge device can carry out protocol conversion and adaptation processing to said control signaling, so that said control signaling meets the regulation of 3GPP procotol.
Concrete, said network edge device can be for the MTC-IWF entity etc.
Referring to Fig. 4, the signaling method to the MTC server side may further comprise the steps:
Step 40:MTC server generates or receives the control signaling to said MTC terminal;
Step 41:MTC server sends said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
Concrete; After the MTC server receives the control signaling at said MTC terminal and before network edge device sends said control signaling; The MTC server is based on the mapping relations of the outside sign of safeguarding with GUTI, the corresponding GUTI of the outside of carrying in the control signaling of confirming to receive sign; Then the MTC server sends the control signaling of carrying the corresponding GUTI of said outside sign in the step 41 to network edge device.The control signaling that the MTC server receives can be used from MTC etc.
After the MTC server generates the control signaling to said MTC terminal, from the GUTI of self maintained, obtain the GUTI at said MTC terminal, send the control signaling of the GUTI that carries said MTC terminal then to network edge device.
Said network edge device can be MTC-IWF entity etc.Said outside sign can be FQDN or URN or SIP URI etc.
Referring to Fig. 5, MTC server and network edge device interactive signaling sending method may further comprise the steps:
Step 50:MTC server generates or receives the control signaling to said MTC terminal;
Step 51:MTC server sends said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling;
Step 52: network edge device receives the control signaling that the MTC server sends;
Step 53: network edge device is confirmed the serving MME at said MTC terminal according to the GUTI that carries in the said control signaling, and sends said control signaling to this serving MME.
Specify in the face of the present invention down:
For can be for the MTC Server that is in outside the 3GPP network provides effective terminal iidentification under the precondition of the fail safe of guaranteeing terminal iidentification and user's privacy, this patent proposes to use GUTI to identify the method at MTC terminal.
Method one:
GUTI is identified in the 3GPP network range as the MTC terminal inner and uses, and MTC-IWF is responsible for the mapping between outside sign and GUTI.
When MTC Server/MTC Application need initiate the operation to a certain MTC terminal, MTCServer/MTC Application used outside sign to indicate the purpose MTC terminal of operation, and sends operation requests by MTCServer to MTC-IWF.After MTC-IWF receives operation requests, convert the outside sign at MTC terminal into GUTI according to the sign mapping relations of local maintenance.
This method need increase interface between MTC-IWF entity and MME, be used to transmit the chain of command signaling between MTC-IWF and the MME.
According to the information that GUMMEI among the GUTI provides, MTC-IWF can directly find out the serving MME at target MTC terminal.Operation requests is carried out necessary protocol conversion and adaptive after, MTC-IWF can directly be sent to target MME with operation requests, thereby impels network to carry out next step operation.
Embodiment one:
Be example with MTC device triggering characteristic below, the operating process of said method is described, shown in Fig. 6 A:
Step 1, MTC Server are sent triggering request to the MTC-IWF of 3GPP network entity, and the outside of wherein carrying the purpose MTC terminal that institute will trigger identifies.
Step 2, MTC-IWF entity receive after the triggering request, according to the outside sign of local maintenance and the mapping relations of GUTI, confirm the corresponding GUTI of outside sign in the triggering request.The MTC-IWF entity is confirmed the serving MME at target MTC terminal according to the information that the GUMMEI among the GUTI provides.As required, the MTC-IWF entity also carries out necessary protocol conversion and adaptive to triggering request.
Step 3, MTC-IWF with protocol conversion and adaptive after triggering request send to the serving MME at MTC terminal; Impel it to carry out follow-up terminal trigger action; As passing through broadcasting, the communication that mode triggering terminal such as paging or Non-Access Stratum (NAS) signaling are set up to MTC Server connects.The GUTI that carries in the message is used for indicating purpose MTC terminal to serving MME.
Method two:
GUTI extends to the external interface between 3GPP network and MTC Server as the scope of application of MTC terminal iidentification, and this moment, MTC Server can directly use GUTI to come target terminal is initiated operation requests.Use at MTC Application under the situation at the outside sign sign of MTC MTC terminal, MTCServer is responsible for the mapping between outside sign and GUTI.
When MTC Server need operate a certain MTC, MTC Server can directly use GUTI to identify the purpose MTC terminal of operation, and sends operation requests to MTC-IWF.Perhaps; When MTC Application initiates the operation to a certain MTC terminal; The MTC exterior of terminal sign that MTC Server uses MTC Application according to the sign mapping relations of local maintenance converts into after the GUTI, sends operation requests as terminal iidentification to MTC-IWF with GUTI.
This method need increase interface between MTC-IWF entity and MME, be used to transmit the chain of command signaling between MTC-IWF entity and the MME.
According to the information that GUMMEI among the GUTI provides, MTC-IWF can directly find out the serving MME at target MTC terminal.Operation requests is carried out necessary protocol conversion and adaptive after, MTC-IWF can directly be sent to target MME with operation requests, thereby impels network to carry out next step operation.
Embodiment two:
Be example with MTC device triggering characteristic below, the operating process of said method is described, shown in Fig. 6 B:
Step 1, MTC Application are sent triggering request to MTC Server, and the outside of wherein carrying the purpose MTC terminal that institute will trigger identifies.
Step 2, MTC Server receive after the triggering request, according to the outside sign of local maintenance and the mapping relations of GUTI, confirm the corresponding GUTI of outside sign in the triggering request.
Step 3, MTC Server are sent triggering request to the MTC-IWF entity, wherein carry the GUTI at the purpose MTC terminal that will trigger.
Step 4, MTC-IWF entity receive after the triggering request, and the information that provides according to GUMMEI among the GUTI is confirmed the serving MME at target MTC terminal.As required, the MTC-IWF entity also carries out necessary protocol conversion and adaptive to triggering request.
Embodiment three:
Be example with MTC device triggering characteristic below, the operating process of said method is described, shown in Fig. 6 C:
Step 1, MTC Server are sent triggering request to the MTC-IWF entity, wherein carry the GUTI at the purpose MTC terminal that will trigger.
Step 2, MTC-IWF entity receive after the triggering request, and the information that provides according to GUMMEI among the GUTI is confirmed the serving MME at target MTC terminal.As required, the MTC-IWF entity also carries out necessary protocol conversion and adaptive to triggering request.
Step 3, MTC-IWF with protocol conversion and adaptive after triggering request send to the serving MME at MTC terminal; Impel it to carry out follow-up terminal trigger action; As passing through broadcasting, the communication that mode triggering terminal such as paging or NAS signaling are set up to MTC Server connects.The GUTI that carries in the message is used for indicating purpose MTC terminal to serving MME.
In the foregoing description, GUTI can indicate the serving MME at MTC terminal, so it has the function of supporting the message route.Directly use GUTI not use IMSI can make the MTC-IWF entity inquire about routing iinformation as terminal iidentification through the HLR/HSS under the visit purpose MTC terminal; And can directly instruction message be sent to the serving MME at MTC terminal; Simplify the operation of MTC-IWF entity like this, reduced the processing links in the operating process.In addition, externally interface uses GUTI to avoid externally transmission and the use of IMSI on MTC Server on the interface of IMSI as terminal iidentification, can strengthen the fail safe that IMSI uses so effectively, improves user's privacy.
Among the present invention, outside sign that network edge device is safeguarded and the mapping relations of GUTI, can set up according to following method:
Equipment of the core network obtains the outside sign at MTC terminal, and the outside sign at said MTC terminal and the internal indicator at said MTC terminal are sent to network edge device, and said internal indicator comprises GUTI; The outside sign at the MTC terminal that network edge device reception equipment of the core network is sent and the internal indicator at said MTC terminal; Set up and safeguard the outside sign at said MTC terminal and the mapping relations of the internal indicator at said MTC terminal in this locality.
Concrete, said equipment of the core network can be MME, specifically be embodied as this moment:
MME obtains the outside sign at this MTC terminal after receiving the Attach Request message of sending at the MTC terminal;
MME is being said MTC terminal distribution behind the GUTI; Send the sign notification message to network edge device; Carry the outside sign at said MTC terminal and the GUTI that distributes in this sign notification message, perhaps carry the GUTI of outside sign, IMSI and the distribution at said MTC terminal.
Above-mentioned MME obtains the outside sign at this MTC terminal, its concrete realization can for: MME from the user contracting data that HSS preserves or obtain the outside sign at this MTC terminal in the said Attach Request message.
Preferable; At MME after network edge device sends the sign notification message; MME sends identification renewal message to network edge device when the new GUTI that has been said MTC terminal distribution, carry the old GUTI at said MTC terminal and new GUTI in this identification renewal message; Perhaps carry the outside sign and the new GUTI at said MTC terminal, perhaps carry the outside sign at said MTC terminal, new GUTI and IMSI.
Network edge device receives the identification renewal message that MME sends; If carry the old GUTI at said MTC terminal and new GUTI in this identification renewal message, then network edge device is updated to said new GUTI with old GUTI described in the mapping relations of safeguarding; If carry the outside sign and the new GUTI at said MTC terminal in this identification renewal message, then network edge device is updated to said new GUTI with the corresponding GUTI of outside sign described in the mapping relations of safeguarding.
Among the present invention, the mapping relations of the outside of MTC server maintenance sign and GUTI, can set up according to following two kinds of methods:
The first, equipment of the core network obtains the outside sign at MTC terminal, and the outside sign at said MTC terminal and the internal indicator at said MTC terminal are sent to network edge device, and said internal indicator comprises GUTI; Network edge device sends to the MTC server with the outside sign at said MTC terminal and the internal indicator at said MTC terminal; The outside sign at the MTC terminal that MTC server reception network edge device is sent and the internal indicator at said MTC terminal; Set up and safeguard the outside sign at said MTC terminal and the mapping relations of the internal indicator at said MTC terminal in this locality.
Concrete, said equipment of the core network can be MME, specifically be embodied as this moment:
MME obtains the outside sign at this MTC terminal after receiving the Attach Request message of sending at the MTC terminal;
MME is being said MTC terminal distribution behind the GUTI; Send the sign notification message to network edge device; Carry the outside sign at said MTC terminal and the GUTI that distributes in this sign notification message, perhaps carry the GUTI of outside sign, IMSI and the distribution at said MTC terminal.Network edge device will identify notification message and be transmitted to the MTC server; The outside sign at said MTC terminal and the mapping relations of the internal indicator at said MTC terminal are set up and safeguarded to the MTC server in this locality.
Above-mentioned MME obtains the outside sign at this MTC terminal, its concrete realization can for: MME from the user contracting data that HSS preserves or obtain the outside sign at this MTC terminal in the said Attach Request message.
Preferable; At MME after network edge device sends the sign notification message; MME sends identification renewal message to network edge device when the new GUTI that has been said MTC terminal distribution, carry the old GUTI at said MTC terminal and new GUTI in this identification renewal message; Perhaps carry the outside sign and the new GUTI at said MTC terminal, perhaps carry the outside sign at said MTC terminal, new GUTI and IMSI.Network edge device is given the MTC server with the identification renewal forwards; If carry the old GUTI at said MTC terminal and new GUTI in this identification renewal message, then the MTC server is updated to said new GUTI with old GUTI described in the mapping relations of safeguarding; If carry the outside sign and the new GUTI at said MTC terminal in this identification renewal message, then the MTC server is updated to said new GUTI with the corresponding GUTI of outside sign described in the mapping relations of safeguarding.
The second, the MTC terminal receives accepts message adhering to of MME transmission; Send the outside sign at said MTC terminal and the internal indicator at said MTC terminal to the MTC server, said internal indicator comprises GUTI; The MTC server receives the outside sign at the MTC terminal of sending at the MTC terminal and the internal indicator at said MTC terminal; Set up and safeguard the outside sign at said MTC terminal and the mapping relations of the internal indicator at said MTC terminal in this locality.
Concrete; The whether needs of accepting to carry in the message send indication information from the sign map information at said MTC terminal to the MTC server is being adhered to according to said in the MTC terminal; Confirm and when the MTC server sends the sign map information at said MTC terminal, to send the outside sign at said MTC terminal and the internal indicator at said MTC terminal to the MTC server.For example, if said adhering to accept to carry in the message indication information that need send the sign map information at said MTC terminal to the MTC server, then the MTC terminal is confirmed to send the sign map information at said MTC terminal to the MTC server; Otherwise the MTC terminal is confirmed need not send the sign map information at said MTC terminal to the MTC server.
The MTC terminal is sent the outside sign at said MTC terminal and the internal indicator at said MTC terminal through gateway and packet data gateway to the MTC server.That is, the MTC terminal is sent the outside sign at said MTC terminal and the internal indicator at said MTC terminal through user plane to the MTC server.
Preferable; At the MTC terminal after the MTC server sends the internal indicator at outside sign and said MTC terminal at said MTC terminal; The MTC terminal receives the heavy assignment commands of GUTI that MME sends, and carries the new GUTI into said MTC terminal distribution in the heavy assignment commands of this GUTI; Identification renewal message is sent to the MTC server in the MTC terminal, carries the old GUTI at said MTC terminal and new GUTI in this identification renewal message, perhaps carries the outside sign and the new GUTI at said MTC terminal.If carry the old GUTI at said MTC terminal and new GUTI in this identification renewal message, then the MTC server is updated to said new GUTI with old GUTI described in the mapping relations of safeguarding; If carry the outside sign and the new GUTI at said MTC terminal in this identification renewal message, then the MTC server is updated to said new GUTI with the corresponding GUTI of outside sign described in the mapping relations of safeguarding.
Further; After the heavy assignment commands of GUTI that MTC terminal reception MME sends and before the MTC server sends identification renewal message; The MTC terminal can be upgraded the indication information or the said indication information of accepting to carry in the message that adheres to of the sign map information in the MTC server according to the whether needs that carry in the heavy assignment commands of said GUTI, determines whether to need to upgrade the sign map information in the MTC server; Said identification renewal message is sent to the MTC server in the MTC terminal when confirming to need to upgrade the sign map information in the MTC server.For example, if carry when needing to upgrade the indication information of the sign map information in the MTC server in the heavy assignment commands of said GUTI, then the sign map information in the MTC server is confirmed to need to upgrade in the MTC terminal; Otherwise the sign map information in the MTC server is confirmed need not upgrade in the MTC terminal.Again for example, if said adhering to accept to carry in the message indication information that need send the sign map information at said MTC terminal to the MTC server, then the sign map information in the MTC server is confirmed to need to upgrade in the MTC terminal; Otherwise the sign map information in the MTC server is confirmed need not upgrade in the MTC terminal.
Concrete, gateway and packet data gateway can be passed through in the MTC terminal, send said identification renewal message to the MTC server.That is, the MTC terminal is sent said identification renewal message through user plane to the MTC server.
Referring to Fig. 7, the embodiment of the invention provides a kind of signaling sending device, and this device comprises:
Signaling receiving element 70 is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Sign is confirmed unit 71, is used for confirming the corresponding GUTI of outside sign that carries in the said control signaling according to the mapping relations of the outside sign of safeguarding with global unique temporary identity GUTI;
Signaling transmitting element 72 is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
Said signaling transmitting element 72 also is used for: before sending said control signaling to this serving MME, said control signaling is carried out protocol conversion and adaptation processing, so that said control signaling meets the regulation of 3GPP procotol.
Said outside is designated: universe name FQDN or unified resource name URN or unified resource sign SIP URI.
Referring to Fig. 8, the embodiment of the invention provides a kind of signaling sending device, and this device comprises:
Signaling receiving element 80 is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the global unique temporary identity GUTI at said MTC terminal in this control signaling;
Signaling transmitting element 81 is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
Said signaling transmitting element 81 also is used for: before sending said control signaling to this serving MME, said control signaling is carried out protocol conversion and adaptation processing, so that said control signaling meets the regulation of 3GPP procotol.
The embodiment of the invention provides a kind of MTC-IWF entity, and this MTC-IWF entity comprises the signaling sending device of Fig. 7 or Fig. 8.
Referring to Fig. 9, the embodiment of the invention provides a kind of signaling sending device, and this device comprises:
Signaling transmitting element 91 is used for sending said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
This device also comprises:
Sign determining unit 92; Be used for after receiving and before network edge device sends said control signaling the control signaling at said MTC terminal; According to the mapping relations of the outside sign of safeguarding with GUTI, the corresponding GUTI of the outside of carrying in the control signaling of confirming to receive sign;
Said signaling transmitting element 91 is used for:
Send the control signaling of carrying the corresponding GUTI of said outside sign to network edge device.
Said outside is designated: universe name FQDN or unified resource name URN or unified resource sign SIP URI.
The embodiment of the invention provides a kind of MTC server, and this MTC server comprises the signaling sending device among Fig. 9.
To sum up, beneficial effect of the present invention comprises:
In a kind of scheme that the embodiment of the invention provides; Network edge device receive that the MTC server sends to the control signaling at MTC terminal the time; According to the mapping relations of the outside sign of safeguarding with GUTI; Confirm that the outside of carrying in the control signaling identifies corresponding GUTI, confirms the serving MME at MTC terminal then, and sends control signaling to this serving MME according to this GUTI.It is thus clear that network edge device need not obtain the routing iinformation at MTC terminal from HLR/HSS in this programme, but the GUTI at the MTC terminal that direct basis is confirmed confirms the serving MME at MTC terminal, thereby has reduced the processing complexity of network edge device.
In the another kind of scheme that the embodiment of the invention provides; The MTC server sends the control signaling of the GUTI that carries the MTC terminal to network edge device; Network edge device is when receiving this control signaling; Directly confirm the serving MME at MTC terminal, and send control signaling to this serving MME according to the GUTI that carries in this control signaling.It is thus clear that network edge device need not obtain the routing iinformation at MTC terminal from HLR/HSS in this programme, but directly confirm the serving MME at MTC terminal, thereby reduced the processing complexity of network edge device according to the GUTI in the control signaling.In addition; Use GUTI to avoid externally transmission and the use of IMSI on MTC Server on the interface of IMSI as terminal iidentification at the external interface between MTC server and the network edge device; Can strengthen the fail safe that IMSI uses so effectively, thereby improve the privacy of user profile.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (21)
1. a signaling method is characterized in that, this method comprises:
Network edge device receives the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Network edge device is according to the mapping relations of the outside sign of safeguarding with global unique temporary identity GUTI; Confirm that the outside of carrying in the said control signaling identifies corresponding GUTI; Confirm the service mobility management entity MME at said MTC terminal according to this GUTI, and send said control signaling to this serving MME.
2. the method for claim 1 is characterized in that, before sending said control signaling to this serving MME, this method further comprises:
Network edge device carries out protocol conversion and adaptation processing to said control signaling, so that said control signaling meets the regulation of 3GPP procotol.
3. the method for claim 1 is characterized in that, said network edge device is machine class communication interconnecting function MTC-IWF entity.
4. the method for claim 1 is characterized in that, said outside is designated:
Universe name FQDN or unified resource name URN or unified resource sign SIP URI.
5. a signaling method is characterized in that, this method comprises:
Network edge device receives the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the global unique temporary identity GUTI at said MTC terminal in this control signaling;
Network edge device is confirmed the service mobility management entity MME at said MTC terminal according to said GUTI, and sends said control signaling to this serving MME.
6. method as claimed in claim 5 is characterized in that, before sending said control signaling to this serving MME, this method further comprises:
Network edge device carries out protocol conversion and adaptation processing to said control signaling, so that said control signaling meets the regulation of 3GPP procotol.
7. method as claimed in claim 5 is characterized in that, said network edge device is machine class communication interconnecting function MTC-IWF entity.
8. a signaling method is characterized in that, this method comprises:
Machine class communication MTC server generates or receives the control signaling to said MTC terminal;
The MTC server sends said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
9. method as claimed in claim 8 is characterized in that, after the MTC server receives the control signaling at said MTC terminal and before network edge device sent said control signaling, this method further comprised:
The MTC server is based on the mapping relations of the outside sign of safeguarding with GUTI, the corresponding GUTI of the outside of carrying in the control signaling of confirming to receive sign;
Said MTC server sends said control signaling to network edge device and comprises:
The MTC server sends the control signaling of carrying the corresponding GUTI of said outside sign to network edge device.
10. method as claimed in claim 8 is characterized in that, said network edge device is machine class communication interconnecting function MTC-IWF entity.
11. method as claimed in claim 9 is characterized in that, said outside is designated:
Universe name FQDN or unified resource name URN or unified resource sign SIP URI.
12. a signaling sending device is characterized in that, this device comprises:
The signaling receiving element is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the outside sign at said MTC terminal in this control signaling;
Sign is confirmed the unit, is used for confirming the corresponding GUTI of outside sign that carries in the said control signaling according to the mapping relations of the outside sign of safeguarding with global unique temporary identity GUTI;
The signaling transmitting element is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
13. device as claimed in claim 12 is characterized in that, said signaling transmitting element also is used for:
Before sending said control signaling, said control signaling is carried out protocol conversion and adaptation processing, so that said control signaling meets the regulation of 3GPP procotol to this serving MME.
14. device as claimed in claim 12 is characterized in that, said outside is designated:
Universe name FQDN or unified resource name URN or unified resource sign SIP URI.
15. a signaling sending device is characterized in that, this device comprises:
The signaling receiving element is used to receive the control signaling to the MTC terminal that machine class communication MTC server sends; Carry the global unique temporary identity GUTI at said MTC terminal in this control signaling;
The signaling transmitting element is used for confirming according to said GUTI the service mobility management entity MME at said MTC terminal, and sends said control signaling to this serving MME.
16. device as claimed in claim 15 is characterized in that, said signaling transmitting element also is used for:
Before sending said control signaling, said control signaling is carried out protocol conversion and adaptation processing, so that said control signaling meets the regulation of 3GPP procotol to this serving MME.
17. a signaling sending device is characterized in that, this device comprises:
The signaling generation unit is used to generate or receive the control signaling to said MTC terminal;
The signaling transmitting element is used for sending said control signaling to network edge device, carries the GUTI at said MTC terminal in this control signaling.
18. device as claimed in claim 17 is characterized in that, this device also comprises:
The sign determining unit; Be used for after receiving and before network edge device sends said control signaling the control signaling at said MTC terminal; According to the mapping relations of the outside sign of safeguarding with GUTI, the corresponding GUTI of the outside of carrying in the control signaling of confirming to receive sign;
Said signaling transmitting element is used for:
Send the control signaling of carrying the corresponding GUTI of said outside sign to network edge device.
19. device as claimed in claim 18 is characterized in that, said outside is designated:
Universe name FQDN or unified resource name URN or unified resource sign SIP URI.
20. a machine class communication interconnecting function MTC-IWF entity is characterized in that this MTC-IWF entity comprises like arbitrary described device among the claim 12-16.
21. a machine class communication MTC server is characterized in that this MTC server comprises like arbitrary described device among the claim 17-19.
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