CN102340826B - A kind of method and apparatus of transfer of data - Google Patents

A kind of method and apparatus of transfer of data Download PDF

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Publication number
CN102340826B
CN102340826B CN201110365548.2A CN201110365548A CN102340826B CN 102340826 B CN102340826 B CN 102340826B CN 201110365548 A CN201110365548 A CN 201110365548A CN 102340826 B CN102340826 B CN 102340826B
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described
small data
mtc
ue
mtc server
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CN201110365548.2A
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Chinese (zh)
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CN102340826A (en
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康艳超
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电信科学技术研究院
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Abstract

The invention discloses a kind of method and apparatus of transfer of data, the method comprises: machine type communication interactive function MTC-IWF entity receives the small data packets of the user equipment (UE) forwarding from access network equipment, carries target MTC server info and small data in described small data packets; In the time that described MTC-IWF entity determines that network allows described UE to send small data to target MTC server, described MTC-IWF entity utilizes described target MTC server info that described small data is sent to described target MTC server. In the embodiment of the present invention, by the transmitting procedure of MTC-IWF entity control small data, optimize the transmission path of small data, reduced the traffic load of network; And the transmission path of small data does not need through other equipments of the core network, greatly reduce equipment of the core network because a large amount of MTC equipment is initiated small data transmission and congested possibility.

Description

A kind of method and apparatus of transfer of data

Technical field

The present invention relates to communication technical field, relate in particular to a kind of method and apparatus of transfer of data.

Background technology

(1) demand of small data transmission (SmallDataTransmission).

For M2M(MachinetoMachine, machinery compartment) research of communication shows, provides M2M communication to have market potential prospect on mobile network. M2M business has proposed a lot of new demands to system, and small data transmission is an important need, and the characteristic of small data transmission is applicable to send or receive the MTC(MachineTypeCommunication of small amount of data, machine type communication) equipment. For this reason, the current characteristic demand on small data transmission as follows that proposed: system supports small amount of data transmission to bring minimum impact (as signaling consumption, Internet resources, the time delay of reshuffling etc.) to network; In the time that needs send small amount of data, MTC equipment can be to be attached in network, or from network attachment removal; The definition of small amount of data should be able to be configured by the strategy based on CAMEL-Subscription-Information or operator.

(2) existing small data transmission solution.

) the small data transmission scheme of SMS-Based (ShortMessagingService, short message service).

As shown in Figure 1, for LTE(LongTermEvolution, Long Term Evolution) system utilizes the schematic diagram of SMS transmission small data, MTC equipment utilization SMS transmits small data, MTC server (server) is by being connected to SMSC(ShortMessageServiceCenter, SMS service center) or the mode that directly configures SMSC function send or receive the small data that MTC equipment sends by SMS; This scheme is applicable to often not send or receive the MTC equipment of data, and utilizes EPS(EvolvedPacketSystem, evolved packet system) the carrying mode of transmitting small data compares, and this scheme is less on the impact of system load.

In addition, also has the prioritization scheme of small data transmission of following SMS-Based: a) transmit for the SMS based on SGs interface in LTE system: can flexible configuration SMSoverSGs function, can be by SMSoverSGs functional configuration to certain physical entity, also can be by SMSoverSGs functional configuration to MME(MobilityManagementEntity, Mobility Management Entity), as shown in Figure 2, be the schematic diagram of the SMS transmission small data of the MME of integrated SMSoverSGs function. b) statelessSMS-IWF(statelessSMSinter-workingfunction, stateless short message interactive function): on SGs interface, increase MSISDN(MobileSubscriberISDNNumber, mobile subscriber ISDN number) message, make MSC(MobileSwitchingCenter, mobile switching centre)/VLR(VisitorLocationRegister, VLR Visitor Location Register) needn't store IMSI(InternationalMobileSubscriberIdentity, international mobile subscriber identity) with the mapping relations of MSISDN, its function can be reduced to SMS-IWF function, as shown in Figure 3, for the schematic diagram of the SMS transmission small data of the MME of integrated SGs-IWF function.

) based on NAS(NonAccessStratum, Non-Access Stratum) solution of signalling.

By transmitting SMSPDUs(PacketDataUnit, Packet Data Unit by NAS signaling), can save and set up wireless data carrying and RRC(RadioResourceControl, Radio Resource control) process and the signaling consumption of safe context. As shown in Figure 4 and Figure 5, for utilizing the schematic diagram of the up small data of NAS signalling, Fig. 4 has described at UE(UserEquipment, subscriber equipment) be attached to network and have PDP(PacketDataProtocol, packet data protocol) context(context)/PDN(PacketDataNetwork, packet data network) connection(connects) how to utilize NAS transmission of messages small data in situation; Fig. 5 has described while utilizing MTC-IWF to carry out transfer message how to utilize NAS transmission of messages small data, between this scheme hypothesis MME and MTC-IWF, has signaling interface.

Realizing in process of the present invention, inventor finds at least to exist in prior art following problem: in above-mentioned small data transmission solution, all need core net node MME to participate in the transmitting procedure of small data, in order to carry out the transmission of small data, a large amount of MTC equipment need to carry out Signalling exchange with MME, cause MME load excessive, congestion situation has occurred even.

Summary of the invention

The embodiment of the present invention provides a kind of method and apparatus of transfer of data, to reduce the load of equipment of the core network, saves signaling consumption.

In order to achieve the above object, the embodiment of the present invention provides a kind of method of transfer of data, comprising:

Machine type communication interactive function MTC-IWF entity receives the small data packets of the user equipment (UE) forwarding from access network equipment, carries target MTC server info and small data in described small data packets;

In the time that described MTC-IWF entity determines that network allows described UE to send small data to target MTC server, described MTC-IWF entity utilizes described target MTC server info that described small data is sent to described target MTC server.

The embodiment of the present invention provides a kind of method of transfer of data, comprising:

Access network equipment receives the small data packets from user equipment (UE), carries UE mark, target machine class communication MTC server info and small data in described small data packets;

Described small data packets is sent to machine type communication interactive function MTC-IWF entity by described access network equipment.

The embodiment of the present invention provides a kind of method of transfer of data, comprising:

User equipment (UE) sends radio resource control RRC connection request message to access network equipment, in described RRC connection request message, carries the small data mark for representing to initiate small data transmission;

Described UE receives RRC that described access network equipment returns and connects and set up message;

Described UE sends RRC connection setup complete message to described access network equipment, in described RRC connection setup complete message, carries small data packets, and in described small data packets, carries UE mark, target machine class communication MTC server info and small data.

The embodiment of the present invention provides a kind of method of transfer of data, comprising:

Machine type communication interactive function MTC-IWF entity receives the small data packets from MTC server, carries small data information in described small data packets;

In the time that described MTC-IWF entity determines that network allows described MTC server to send small data information to user equipment (UE) by access network equipment, described small data information is sent to access network equipment by described MTC-IWF entity.

The embodiment of the present invention provides a kind of method of transfer of data, comprising:

Access network equipment receives the small data packets from machine type communication interactive function MTC-IWF entity, carries small data information in described small data packets, and described small data information comprises small data or Downlink Control Information;

Described access network equipment sends to UE by downstream message by described small data information.

The embodiment of the present invention provides a kind of machine type communication interactive function MTC-IWF entity, comprising:

Receiver module, for receiving the small data packets of the user equipment (UE) forwarding from access network equipment, carries target MTC server info and small data in described small data packets;

Determination module, for determining that network allows described UE to send small data to target MTC server;

Sending module, when allow described UE to send small data to target MTC server when definite network, utilizes described target MTC server info that described small data is sent to target MTC server.

The embodiment of the present invention provides a kind of access network equipment, comprising:

Receiver module, for receiving the small data packets from user equipment (UE), carries UE mark, target machine class communication MTC server info and small data in described small data packets;

Sending module, for sending to described small data packets machine type communication interactive function MTC-IWF entity.

The embodiment of the present invention provides a kind of subscriber equipment, comprising:

The first sending module, for send radio resource control RRC connection request message to access network equipment, carries the small data mark for representing to initiate small data transmission in described RRC connection request message;

Receiver module, connects and sets up message for receiving RRC that described access network equipment returns;

The second sending module, for sending RRC connection setup complete message to described access network equipment, in described RRC connection setup complete message, carry small data packets, and in described small data packets, carry UE mark, target machine class communication MTC server info and small data.

The embodiment of the present invention provides a kind of machine type communication interactive function MTC-IWF entity, comprising:

Receiver module, for receiving the small data packets from MTC server, carries small data information in described small data packets;

Determination module, for determining that network allows described MTC server to send small data information to user equipment (UE) by access network equipment;

Sending module, when allowing described MTC server to send small data information to user equipment (UE) by access network equipment when definite network, sends to access network equipment by described small data information.

The embodiment of the present invention provides a kind of access network equipment, comprising:

Receiver module, for receiving the small data packets from machine type communication interactive function MTC-IWF entity, carries small data information in described small data packets, described small data information comprises small data or Downlink Control Information;

Sending module, for sending to UE by downstream message by described small data information.

Compared with prior art, the embodiment of the present invention at least has the following advantages: by the transmitting procedure of MTC-IWF entity control small data, optimized the transmission path of small data, reduced the traffic load of network; And the transmission path of small data does not need through other equipments of the core network (as MME/SGSN(ServingGPRSSupportNode, service GPRS support node) etc.), greatly reduce equipment of the core network because a large amount of MTC equipment is initiated small data transmission and congested possibility.

Brief description of the drawings

In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the schematic diagram that in prior art, LTE system is utilized SMS transmission small data;

Fig. 2 is the schematic diagram of the SMS transmission small data of the MME of integrated SMSoverSGs function in prior art;

Fig. 3 is the schematic diagram of the SMS transmission small data of the MME of integrated SGs-IWF function in prior art;

Fig. 4 and Fig. 5 are the schematic diagrames that utilizes the up small data of NAS signalling in prior art;

Fig. 6 is MTC configuration diagram in prior art;

Fig. 7 is the method flow schematic diagram of a kind of transfer of data of providing of the embodiment of the present invention one;

Fig. 8 is the form schematic diagram that is packaged into small data packets in the embodiment of the present invention one;

Fig. 9 is the method flow schematic diagram of a kind of transfer of data of providing of the embodiment of the present invention two;

Figure 10 is the method flow schematic diagram of a kind of transfer of data of providing of the embodiment of the present invention three;

Figure 11 is the method flow schematic diagram of a kind of transfer of data of providing of the embodiment of the present invention four;

Figure 12 is the method flow schematic diagram of a kind of transfer of data of providing of the embodiment of the present invention five;

Figure 13 is the structural representation of a kind of MTC-IWF entity of providing of the embodiment of the present invention six;

Figure 14 is the structural representation of a kind of access network equipment of providing of the embodiment of the present invention seven;

Figure 15 is a kind of user device architecture schematic diagram that the embodiment of the present invention eight provides;

Figure 16 is the structural representation of a kind of MTC-IWF entity of providing of the embodiment of the present invention nine;

Figure 17 is the structural representation of a kind of access network equipment of providing of the embodiment of the present invention ten.

Detailed description of the invention

Realizing in process of the present invention, inventor notices: MTC configuration diagram as shown in Figure 6, the service that end-to-end communication between MTC equipment and MTC application can utilize 3GPP to provide, 3GPP provides transmission and communication service, comprise 3GPP carrying service, IMS and SMS, for MTC communication is optimized. UE is connected to 3GPP network by Um/Uu/LTE-Uu interface; And MTC framework comprises with drag: (1) directmodel(direct connection model): the direct communication being provided by 3GPP operator, MTC application, not by MTCserver, is directly connected to carrier network. (2) the indirect model of indirectmodel(): the communication that MTC service provider controls, MTC server is the entity outside provider domain, MTCi, MTCsp and MTCsms are external interfaces. (3) communication that indirectmodel:3GPP operator controls, MTC server is positioned at carrier network, MTCi, MTCsp and MTCsms are the internal interfaces of PLMN. (4) hybridmodel(mixed model), hybridmodel comprises directmodel and indirectmodel, sets up user plane by directmodel, utilizes indirectmodel to transmit control plane signaling.

In MTC framework, in order to support indirectmodel and the hybridmodel of MTC communication, need to be at PLMN(PublicLandMobileNetwork, public land mobile network) configure one or more MTC-IWF in network, MTC-IWF can be an independently entity, can be also the functional entity on another network element; This MTC-IWF is positioned in PLMN inner topology, by the signaling between MTCsp interface transmission 3GPP network and MTC server. The function of MTC-IWF comprises: MTCsp reference point is provided; Before being established to the signaling of 3GPP network, MTCserver is carried out to authentication; Authorize the control plane communication request of MTCserver; Support the secure communication between 3GPP network and MTCserver.

Based on MT reconnaissance C framework, interface node as 3GPP towards MTC server, MTC-IWF carries out after authentication MTC server, authorize and be established to the control plane communication of MTC server, and the small data that the MTC server receiving is sent by and MME between control message send to MME.

In addition,, in the small data transmission scheme of the current SMS-Based providing and the solution based on NAS signalling, all need equipment of the core network (as MME/SGSN etc.) to participate in small data transmission process; In order to carry out the transmission of small data, a large amount of MTC equipment need to carry out Signalling exchange with equipment of the core network, makes the load of equipment of the core network excessive.

For the problems referred to above, the present invention proposes a kind of method and apparatus of transfer of data, by the transmitting procedure of MTC-IWF entity control small data, optimize the transmission path of small data, reduce the traffic load of network; And the transmission path of small data does not need through other equipments of the core network (as MME/SGSN etc.), greatly reduce equipment of the core network due to a large amount of MTC equipment initiate small data transmission and congested may.

Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

In the method and apparatus of the transfer of data that the embodiment of the present invention provides, can be the transmitting procedure for small data, this small data be the SmallData of current agreement defined, and it can be in the current data transmission procedure based on MTC, related small data. For example, being described as about SmallData size in current agreement: " Theobservedsizeofmanyoftheinstancesofdataexchangesisonth eorderof1K (1024) octetsorless ", therefore knownly can the data below 1K byte be called small data by data length; Certainly be not limited in actual applications this definition mode, can adjust according to actual conditions, explanation no longer in detail to this in the embodiment of the present invention. In downlink transmission process, it can also be the transmitting procedure for Downlink Control Information (as trigger message of MTC server triggers UE etc.).

In the embodiment of the present invention, for the UE(that need to set up contextual information on MTC-IWF entity as carried out the UE of small data transmission), adhered at Attach(by UE) in process, registering to MTC-IWF entity by equipment of the core network (as MME/SGSN etc.), is that UE creates and maintaining context information by MTC-IWF entity.

In this contextual information, at least include but not limited to: the internal indicator of UE, this mark is the UE mark of 3GPP inside: as GUTI(GloballyUniqueTemporaryUEIdentity, global unique casual user's mark), IMSI etc.; MTC server info, as the mark of MTC server or address: the MTC server info that in storage CAMEL-Subscription-Information, all MTC server infos or UE report, the address information of relevant MTC server can report by UE, configuration or DNS(DomainNameSystem, domain name system) inquiry mode obtains; The address of equipment of the core network or mark, i.e. mark/address of MME/SGSN, mark/address of the MME/SGSN adhering to for current UE, this address information can be the IP address of node.

This contextual information also includes but not limited to the outside mark of one of following or any combination: UE, the UE mark using as 3GPP server; The address of access network equipment or mark, i.e. IP address/mark of eNB, this be only effectively during in connected state at UE, address or the mark of the current service eNB of expression UE; The reachability information of UE, UE is current in connected state or Idle state; The CAMEL-Subscription-Information of UE, comprise concrete application strategy/signing, the small data transmission corresponding strategies of such as UE/signing, trigger corresponding strategies/signing etc., the content of small data transmission strategy is determined jointly by the collocation strategy of the relevant CAMEL-Subscription-Information of the small data transmission of UE and operator.

In the embodiment of the present invention, supposing has one or more MTC-IWF physical address in 3GPP network, and the node (as access network equipments such as equipment of the core network, eNB such as MME/SGSN) in 3GPP network can get by configuration mode or DNS inquiry mode the address of MTC-IWF entity; And in the embodiment of the present invention, supposing has interface between equipment of the core network and MTC-IWF entity, can carry out the transmission of control information; Suppose that access network equipment disposes the address of a MTC-IWF entity in a PLMN, and can connect with setting up IP connection or secure tunnel between the MTC-IWF entity of configuration.

Embodiment mono-

The embodiment of the present invention one provides a kind of method of transfer of data, with the transmission for up small data, solution is proposed, related context information be set up and be safeguarded to MTC-IWF entity can for UE, and (comprise legal transmission control by the small data transmission process of related context information control UE, route etc.), thus in small data transmission process, do not need the interference of other equipments of the core network, as shown in Figure 7, the method for this transfer of data comprises the following steps:

Step 701, UE sends small data packets to access network equipment (as eNB etc.), carries UE mark, target MTC server info (as address or the mark of target MTC server) and small data (being the content of small data) etc. in this small data packets.

Step 702, access network equipment receives the small data packets from UE.

Situation one, at UE during in Idle state, the processing procedure of above-mentioned steps 701 and step 702 is specially: UE arranges small data mark (small-data-flag) in RRC message, be used for small data transmission with this RRC message of notice access network equipment, and be packaged into small data packets (smalldatapacket) according to mode as shown in Figure 8, and by small data packets by RRCcontainer(container) send to access network equipment.

Concrete, UE sends RRC connection request (RRCconnectionrequest) message to access network equipment, in this RRC connection request message, carries the small data mark for representing to initiate small data transmission; Access network equipment returns to RRC to UE and connects foundation (RRCconnectionsetup) message; UE sends RRC connection to access network equipment and has set up (RRCconnectionsetupcomplete) message, in this RRC connection setup complete message, carries small data packets, and in small data packets, carries UE mark, target MTC server info and small data.

Situation two, at UE during in connected state, the processing procedure of above-mentioned steps 701 and step 702 is specially: UE carries small data packets (smalldatapacket) in uplink information migration (ULinformationtransfer) message, and moves message by uplink information small data packets is sent to access network equipment.

Step 703, small data packets is sent to MTC-IWF entity by access network equipment.

Concrete, after access network equipment receives the small data packets from UE, because access network equipment can be known the address information of MTC-IWF entity, therefore access network equipment can directly be transmitted to small data packets the MTC-IWF entity of configuration.

Step 704, MTC-IWF entity receives the small data packets from access network equipment, carries UE mark, target MTC server info and small data in this small data packets.

Step 705, MTC-IWF entity judges whether network allows above-mentioned UE to send small data to target MTC server, in the time that definite network allows UE to send small data to target MTC server, perform step 706, in the time that definite network does not allow UE to send small data to target MTC server, perform step 707.

Step 706, MTC-IWF entity utilizes target MTC server info that small data is sent to target MTC server.

Step 707, MTC-IWF entity returns to failure information to access network equipment, carries corresponding cause(reason in this failure information) value.

Situation one, determine that when MTC-IWF entity target MTC server is for when authorizing the MTC server of (legal), MTC-IWF entity determines that network allows UE to send small data to target MTC server; In the time that MTC-IWF entity determines that target MTC server is not the MTC server through authorizing (illegal), MTC-IWF entity determines that network does not allow UE to send small data to target MTC server.

Situation two, in the time that MTC-IWF entity determines that the length of small data meets network regulation, MTC-IWF entity determine network allow UE send small data to target MTC server; In the time that MTC-IWF entity determines that the length violation of small data closes network regulation, MTC-IWF entity determines that network does not allow UE to send small data to target MTC server.

Situation three, to determine target MTC server when MTC-IWF entity be the MTC server through authorizing, and the length of small data is while meeting network regulation, and MTC-IWF entity determines that network allows UE to send small data to target MTC server; Determining target MTC server when MTC-IWF entity is not the MTC server through authorizing, or the length violation of small data is while closing network regulation, and MTC-IWF entity determines that network does not allow UE to send small data to target MTC server.

In these cases, MTC-IWF entity can utilize UE mark to search corresponding contextual information, and utilizes the contextual information finding to determine that this target MTC server is for the MTC server through authorizing, or is not the MTC server through authorizing; Or, MTC-IWF entity can utilize UE mark from other network equipments (as network equipments such as HSS), to obtain CAMEL-Subscription-Information, and utilize the CAMEL-Subscription-Information obtaining to determine that this target MTC server is for the MTC server through authorizing, or not the MTC server through authorizing.

In these cases, MTC-IWF entity can utilize UE mark to search corresponding contextual information, and utilizes the contextual information finding to determine that the length of small data meets network regulation, or the length violation of small data closes network regulation; Or MTC-IWF can utilize UE mark to obtain CAMEL-Subscription-Information from other network equipments (as network equipments such as HSS) by entity, and utilize the CAMEL-Subscription-Information obtaining to determine that the length of small data meets network regulation, or the length violation of small data close network regulation; Or, directly configure relevant information (specifying size as the length of small data can not exceed) on MTC-IWF entity time, MTC-IWF entity can directly utilize the configuration information being configured on MTC-IWF entity to determine that the length of small data meets network regulation, or the length violation of small data closes network regulation.

For above-mentioned different embodiments, the embodiment of the present invention provides one to be preferred embodiment: after the small data packets receiving from access network equipment, MTC-IWF entity utilizes UE mark to search the context of UE; If MTC-IWF entity lookup, to the small data transmission context of UE, carries out small data transmission control: judge whether target MTC server is the legal MTC server through authorizing, and whether the length of small data meets network regulation; If all met, small data packets is transmitted to target MTC server by MTC-IWF entity; Otherwise MTC-IWF entity returns to failure information to access network equipment, by the small data transmission request of access network equipment refusal UE, and return to cause value; If MTC-IWF entity does not find the small data transmission context of UE, MTC-IWF returns to failure information to access network equipment, by the small data transmission request of access network equipment refusal UE, and returns to corresponding cause value.

In sum, in the embodiment of the present invention, by the transmitting procedure of MTC-IWF entity control small data, optimize the transmission path of small data, reduced the traffic load of network; And the transmission path of small data does not need through other equipments of the core network (as MME/SGSN etc.), greatly reduce equipment of the core network due to a large amount of MTC equipment initiate small data transmission and congested may.

Embodiment bis-

The embodiment of the present invention two provides a kind of method of transfer of data, (being descending small data or Downlink Control Information for small data information, follow-uply describe as an example of small data example) transmission solution is proposed, related context information be set up and be safeguarded to MTC-IWF entity can for UE, and (comprise legal transmission control by the small data transmission process of related context information control UE, route etc.), thereby in small data transmission process, do not need the interference of other equipments of the core network, as shown in Figure 9, the method for this transfer of data comprises the following steps:

Step 901, MTC server sends small data packets to MTC-IWF entity, in this small data packets, carry UE mark, MTC server info (as address or mark) and small data (being the content of small data), this UE mark can be internal indicator, can be also outside mark.

In the embodiment of the present invention, in descending small data transmission process, if MTC server is the legal MTC server through authorizing, MTC server can be initiated descending small data transmission, and be packaged into small data packets (smalldatapacket) according to mode as shown in Figure 8, and small data packets is sent to MTC-IWF entity.

Step 902, MTC-IWF entity receives the small data packets from MTC server, at least carries UE mark, MTC server info and small data in small data packets.

Step 903, MTC-IWF entity judges whether network allows MTC server to send small data to UE by access network equipment; In the time that definite network does not allow MTC server to send small data to UE by access network equipment, execution step 904; In the time that definite network allows MTC server to send small data to UE by access network equipment, execution step 905.

Step 904, MTC-IWF entity returns to failure information to MTC server, carries corresponding reason cause value in this failure information.

Step 905, small data is sent to access network equipment by MTC-IWF entity.

Situation one, in the time that MTC-IWF entity determines that MTC server is the MTC server through authorizing, determine that network allows MTC server to send small data to UE by access network equipment; In the time that MTC-IWF entity determines that MTC server is not the MTC server through authorizing, determine that network does not allow MTC server to send small data to UE by access network equipment.

Situation two, in the time that MTC-IWF entity determines that the length of small data meets network regulation, determine that network allows MTC server to send small data to UE by access network equipment; In the time that MTC-IWF entity determines that the length violation of small data closes network regulation, determine that network does not allow MTC server to send small data to UE by access network equipment.

Situation three, to determine MTC server when MTC-IWF entity be the MTC server through authorizing, and the length of small data is while meeting network regulation, determines that network allows MTC server to send small data to UE by access network equipment; Determining MTC server when MTC-IWF entity is not the MTC server through authorizing, or the length violation of small data is while closing network regulation, determines that network does not allow MTC server to send small data to UE by access network equipment.

In these cases, this MTC-IWF entity can utilize UE mark to search corresponding contextual information, and utilizes the contextual information finding to determine that this MTC server is for the MTC server through authorizing, or is not the MTC server through authorizing; Or, MTC-IWF entity can utilize UE mark from other network equipments (as network equipments such as HSS), to obtain CAMEL-Subscription-Information, and utilize the CAMEL-Subscription-Information obtaining to determine that this MTC server is for the MTC server through authorizing, or not the MTC server through authorizing.

In these cases, this MTC-IWF entity can utilize UE mark to search corresponding contextual information, and utilizes the contextual information finding to determine that the length of small data meets network regulation, or the length violation of small data closes network regulation; Or MTC-IWF can utilize UE mark to obtain CAMEL-Subscription-Information from other network equipments (as network equipments such as HSS) by entity, and utilize the CAMEL-Subscription-Information obtaining to determine that the length of small data meets network regulation, or the length violation of small data close network regulation; Or, directly configure relevant information (specifying size as the length of small data can not exceed) on MTC-IWF entity time, MTC-IWF entity can directly utilize the configuration information being configured on MTC-IWF entity to determine that the length of small data meets network regulation, or the length violation of small data closes network regulation.

In the embodiment of the present invention, MTC-IWF entity sends to small data the process of access network equipment, specifically comprise: MTC-IWF entity utilizes UE mark to search corresponding contextual information, and definite UE identifies corresponding UE reachability information, or MTC-IWF entity utilizes UE mark to obtain UE reachability information from other network equipments; When UE reachability information is UE during in connected state, small data is directly sent to access network equipment by MTC-IWF entity; When UE reachability information is UE during in Idle state, MTC-IWF entity utilizes the small data transmission scheme of SMS-Based or the small data transmission scheme based on NAS signaling that small data is sent to access network equipment.

For above-mentioned different embodiments, a kind of preferred embodiment that the embodiment of the present invention provides is: after the small data packets receiving from MTC server, MTC-IWF entity utilizes UE mark to search the context of UE; If MTC-IWF entity lookup, to the small data transmission context of UE, carries out small data transmission control: judge whether MTC server is the legal MTC server through authorizing, and whether the length of small data meets network regulation. If two all met, MTC-IWF entity determines that UE identifies the UE reachability information in corresponding context, when UE is during in connected state, MTC-IWF entity directly directly sends to access network equipment by small data, by RRC message, small data packets is transmitted to UE by access network equipment; When UE is during in Idle state, MTC-IWF entity utilizes the small data transmission scheme of SMS-Based or the small data transmission scheme based on NAS signaling that small data is sent to access network equipment. Otherwise, the small data transmission request of MTC-IWF entity refusal MTC server, and corresponding information is notified to operator or MTC user or MTC server.

In addition, if MTC-IWF entity does not find the small data transmission context of UE, MTC-IWF entity notice MTC server, this UE is in detach state; Afterwards, it is to trigger UE by triggering method that MTC server can be selected, so that transmit immediately small data; Or can wait until that UE is attached to network, and complete to MTC-IWF entity after the registration of small data transmission, then by small data transmission to UE, respective handling does not repeat them here.

Step 906, access network equipment receives the small data packets from MTC-IWF entity, carries user equipment (UE) mark and small data in small data packets.

Step 907, access network equipment sends to UE by downstream message (as descending information transfer message) by small data packets.

In the embodiment of the present invention, if the failure of access network equipment transmission small data packets, access network equipment also needs feeding back unsuccessful information to MTC-IWF entity, by MTC-IWF entity by bust this message informing to MTC server.

In sum, in the embodiment of the present invention, by the transmitting procedure of MTC-IWF entity control small data, optimize the transmission path of small data, reduced the traffic load of network; And the transmission path of small data does not need through other equipments of the core network (as MME/SGSN etc.), greatly reduce equipment of the core network due to a large amount of MTC equipment initiate small data transmission and congested may.

Embodiment tri-

The embodiment of the present invention three provides a kind of method of transfer of data, proposes solution with the up small data transmission process for Idle state UE, and as shown in figure 10, the method comprises the following steps:

Step 1001, UE carries small-data-flag notice eNB in RRCconnectionrequest message, and UE will initiate small data transmission.

Step 1002, eNB sends RRCconnectionsetup message and connects to set up RRC to UE.

Step 1003, UE carries small data packets in RRCconnectionsetupcomplete message, and small data is sent to eNB.

Step 1004, eNB, after receiving the small data packets of UE transmission, is transmitted to small data packets the MTC-IWF entity of configuration.

Step 1005, small data is sent to target MTC server by MTC-IWF entity.

Concrete, MTC-IWF entity is receiving after the small data packets of eNB forwarding, if MTC-IWF entity lookup is to the small data transmission context of UE, and MTC server is the MTC server through authorizing, and small data length meets the regulation (meeting the requirement of CAMEL-Subscription-Information) of network; Small data is transmitted to target MTC server by MTC-IWF entity.

Step 1006, MTC server receives after the small data of MTC-IWF entity transmission, sends small data confirmation of receipt message to MTC-IWF entity.

Step 1007, MTC-IWF entity sends small data confirmation of receipt message (Smalldataack) to eNB.

Step 1008, eNB utilizes DLinformationtransfer to send small data confirmation of receipt message to UE.

Embodiment tetra-

The embodiment of the present invention four provides a kind of method of transfer of data, proposes solution with the up small data transmission process for connected state UE, and as shown in figure 11, the method comprises the following steps:

Step 1101, UE is in ULinformationtransfer(uplink information migration) carry small data packets in message, small data is sent to eNB.

Step 1102, eNB, after receiving the small data packets of UE transmission, is transmitted to small data packets the MTC-IWF entity of configuration.

Step 1103, small data is sent to target MTC server by MTC-IWF entity.

Concrete, MTC-IWF entity is receiving after the small data packets of eNB forwarding, if MTC-IWF entity lookup is to the small data transmission context of UE, and MTC server is the MTC server through authorizing, and small data length meets the regulation (meeting the requirement of CAMEL-Subscription-Information) of network; Small data is transmitted to target MTC server by MTC-IWF entity.

Step 1104, MTC server receives after the small data of MTC-IWF entity transmission, sends small data confirmation of receipt message to MTC-IWF entity.

Step 1105, MTC-IWF entity sends small data confirmation of receipt message to eNB.

Step 1106, eNB utilizes DLinformationtransfer to send small data confirmation of receipt message to UE.

Embodiment five

The embodiment of the present invention five provides a kind of method of transfer of data, proposes solution with the descending small data transmission process for connected state UE, and as shown in figure 12, the method comprises the following steps:

Step 1201, sends to MTC-IWF entity through the legal MTC server of authorizing by small data packets.

Step 1202, small data packets is sent to eNB by MTC-IWF entity.

Step 1203, eNB, after receiving the small data packets of MTC-IWF transmission, sends to UE by small data packets by DLinformationtransfer message.

Step 1204, UE receives after the small data packets of eNB transmission, sends small data confirmation of receipt message to eNB by ULinformationtransfer.

Step 1205, eNB sends small data confirmation of receipt message to MTC-IWF entity.

Step 1206, MTC-IWF entity sends small data confirmation of receipt message to MTC server.

Embodiment six

Based on the inventive concept same with said method, a kind of machine type communication interactive function MTC-IWF entity is also provided in the embodiment of the present invention, as shown in figure 13, this equipment comprises:

Receiver module 11, for receiving the small data packets of the user equipment (UE) forwarding from access network equipment, carries target MTC server info and small data in described small data packets;

Determination module 12, for determining that network allows described UE to send small data to target MTC server;

Sending module 13, when allow described UE to send small data to target MTC server when definite network, utilizes described target MTC server info that described small data is sent to target MTC server.

Described determination module 12, also for determining that network does not allow described UE to send small data to target MTC server;

Described sending module 13, also when do not allow described UE to send small data to target MTC server when definite network, returns to failure information to described access network equipment, carries corresponding reason cause value in described failure information.

Described determination module 12, specifically in the time determining that target MTC server is the MTC server through authorizing, determines that network allows described UE to send small data to target MTC server; In the time determining that target MTC server is not the MTC server through authorizing, determine that network does not allow described UE to send small data to target MTC server.

Described determination module 12, specifically in the time determining that the length of described small data meets network regulation, determines that network allows described UE to send small data to target MTC server; In the time determining that the length violation of described small data closes network regulation, determine that network does not allow described UE to send small data to target MTC server.

Described determination module 12, specifically for when determining that target MTC server be the MTC server through authorizing, and the length of described small data is while meeting network regulation, determines that network allows described UE to send small data to target MTC server; When determining that target MTC server is not the MTC server through authorizing, or the length violation of described small data is while closing network regulation, determines that network does not allow described UE to send small data to target MTC server.

In described small data packets, also carry UE mark, described determination module 12, be further used for utilizing described UE mark to search corresponding contextual information, and utilize the contextual information finding to determine that target MTC server is for the MTC server through authorizing, or not the MTC server through authorizing; Or, utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the CAMEL-Subscription-Information obtaining to determine that target MTC server is for the MTC server through authorizing, or be not the MTC server through authorizing.

In described small data packets, also carry UE mark, described determination module 12, be further used for utilizing described UE mark to search corresponding contextual information, and utilize the contextual information finding to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation; Or, utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the CAMEL-Subscription-Information obtaining to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation; Or, utilize the configuration information being configured on described MTC-IWF entity to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment. Above-mentioned module can be merged into a module, also can further split into multiple submodules.

Embodiment seven

Based on the inventive concept same with said method, a kind of access network equipment is also provided in the embodiment of the present invention, as shown in figure 14, this equipment comprises:

Receiver module 21, for receiving the small data packets from user equipment (UE), carries UE mark, target machine class communication MTC server info and small data in described small data packets;

Sending module 22, for sending to described small data packets machine type communication interactive function MTC-IWF entity.

Described receiver module 21, specifically for receiving the radio resource control RRC connection request message from described UE, carries the small data mark for representing to initiate small data transmission in described RRC connection request message; Send RRC connection to described UE and set up message; And receive the RRC connection setup complete message from described UE, in described RRC connection setup complete message, carry described small data packets.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment. Above-mentioned module can be merged into a module, also can further split into multiple submodules.

Embodiment eight

Based on the inventive concept same with said method, a kind of subscriber equipment is also provided in the embodiment of the present invention, as shown in figure 15, this equipment comprises:

The first sending module 31, for send radio resource control RRC connection request message to access network equipment, carries the small data mark for representing to initiate small data transmission in described RRC connection request message;

Receiver module 32, connects and sets up message for receiving RRC that described access network equipment returns;

The second sending module 33, for sending RRC connection setup complete message to described access network equipment, in described RRC connection setup complete message, carry small data packets, and in described small data packets, carry UE mark, target machine class communication MTC server info and small data.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment. Above-mentioned module can be merged into a module, also can further split into multiple submodules.

Embodiment nine

Based on the inventive concept same with said method, a kind of machine type communication interactive function MTC-IWF entity is also provided in the embodiment of the present invention, as shown in figure 16, this equipment comprises:

Receiver module 41, for receiving the small data packets from MTC server, carries small data information in described small data packets; Described small data information is small data or is Downlink Control Information.

Determination module 42, for determining that network allows described MTC server to send small data information to user equipment (UE) by access network equipment;

Sending module 43, when allowing described MTC server to send small data information to user equipment (UE) by access network equipment when definite network, sends to access network equipment by described small data information.

Described determination module 42, also for determining that network does not allow described MTC server to send small data information to UE by access network equipment;

Described sending module 43, also when not allowing described MTC server to send small data information to UE by access network equipment when definite network, returns to failure information to described MTC server, carries corresponding reason cause value in described failure information.

Described determination module 42, specifically in the time determining that described MTC server is the MTC server through authorizing, determines that network allows described MTC server to send small data information to UE by access network equipment; In the time determining that described MTC server is not the MTC server through authorizing, determine that network does not allow described MTC server to send small data information to UE by access network equipment.

Described determination module 42, specifically in the time determining that the length of described small data meets network regulation, determines that network allows described MTC server to send small data information to UE by access network equipment; In the time determining that the length violation of described small data closes network regulation, determine that network does not allow described MTC server to send small data information to UE by access network equipment.

Described determination module 42, specifically for when determining that described MTC server be the MTC server through authorizing, and the length of described small data is while meeting network regulation, determines that network allows described MTC server to send small data information to UE by access network equipment; When determining that described MTC server is not the MTC server through authorizing, or the length violation of described small data is while closing network regulation, determines that network does not allow described MTC server to send small data information to UE by access network equipment.

In described small data packets, also carry UE mark, described determination module 42, be further used for utilizing described UE mark to search corresponding contextual information, and utilize the contextual information finding to determine that described MTC server is for the MTC server through authorizing, or not the MTC server through authorizing; Or, utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the CAMEL-Subscription-Information obtaining to determine that described MTC server is for the MTC server through authorizing, or be not the MTC server through authorizing.

In described small data packets, also carry UE mark, described determination module 42, be further used for utilizing described UE mark to search corresponding contextual information, and utilize the contextual information finding to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation; Or, utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the CAMEL-Subscription-Information obtaining to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation; Or, utilize the configuration information being configured on described MTC-IWF entity to determine that the length of described small data meets network regulation, or the length violation of described small data closes network regulation.

In described small data packets, also carry UE mark, described sending module 43, specifically for utilizing described UE mark to search corresponding contextual information, and determines that described UE identifies corresponding UE reachability information, or, utilize described UE mark from other network equipments, to obtain UE reachability information; When UE reachability information is UE during in connected state, described small data information is directly sent to access network equipment; When UE reachability information is UE during in Idle state, utilize the small data transmission scheme based on short message service SMS or the small data transmission scheme based on Non-Access Stratum NAS signaling that described small data information is sent to access network equipment.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment. Above-mentioned module can be merged into a module, also can further split into multiple submodules.

Embodiment ten

Based on the inventive concept same with said method, a kind of access network equipment is also provided in the embodiment of the present invention, as shown in figure 17, this equipment comprises:

Receiver module 51, for receiving the small data packets from machine type communication interactive function MTC-IWF entity, carries small data information in described small data packets, described small data information comprises small data or Downlink Control Information;

Sending module 52, for sending to UE by downstream message by described small data information.

Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment. Above-mentioned module can be merged into a module, also can further split into multiple submodules.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better embodiment. Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.

It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.

It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment. The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.

Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (40)

1. a method for transfer of data, is characterized in that, comprising:
Machine type communication interactive function MTC-IWF entity receives the user who forwards from access network equipment and establishesThe small data packets of standby UE, carries target MTC server info and small data in described small data packets;
When described MTC-IWF entity determines that network allows described UE to send small data and takes to target MTCWhen business device, described MTC-IWF entity utilizes described target MTC server info that described small data is sent outGive described target MTC server.
2. the method for claim 1, is characterized in that, described MTC-IWF entity receivesThe small data packets of the user equipment (UE) forwarding from access network equipment, also comprises afterwards:
Determining network when described MTC-IWF entity does not allow described UE to send small data to target MTCWhen server, described MTC-IWF entity returns to failure information to described access network equipment, described unsuccessfully letterIn breath, carry corresponding reason cause value.
3. method as claimed in claim 2, is characterized in that,
Described MTC-IWF entity determines that network allows described UE to send small data and serves to target MTCDevice, comprising: determining target MTC server when described MTC-IWF entity is the MTC through authorizingWhen server, described MTC-IWF entity determines that network allows described UE to send small data to target MTCServer;
Described MTC-IWF entity determines that network does not allow described UE to send small data and takes to target MTCBusiness device, comprising: when described MTC-IWF entity determines that target MTC server is not through authorizingWhen MTC server, described MTC-IWF entity determine network do not allow described UE send small data toTarget MTC server.
4. method as claimed in claim 2, is characterized in that,
Described MTC-IWF entity determines that network allows described UE to send small data and serves to target MTCDevice, comprising: in the time that described MTC-IWF entity determines that the length of described small data meets network regulation, and instituteState MTC-IWF entity and determine that network allows described UE to send small data to target MTC server;
Described MTC-IWF entity determines that network does not allow described UE to send small data and takes to target MTCBusiness device, comprising: in the time that described MTC-IWF entity determines that the length violation of described small data closes network regulation,Described MTC-IWF entity determines that network does not allow described UE to send small data to target MTC server.
5. method as claimed in claim 2, is characterized in that,
Described MTC-IWF entity determines that network allows described UE to send small data and serves to target MTCDevice, comprising: determining target MTC server when described MTC-IWF entity is the MTC through authorizingServer, and the length of described small data is while meeting network regulation, and described MTC-IWF entity is determined networkAllow described UE to send small data to target MTC server;
Described MTC-IWF entity determines that network does not allow described UE to send small data and takes to target MTCBusiness device, comprising: when described MTC-IWF entity determines that target MTC server is not through authorizingMTC server, or the length violation of described small data is while closing network regulation, described MTC-IWF entityDetermine that network does not allow described UE to send small data to target MTC server.
6. the method as described in claim 3 or 5, is characterized in that, in described small data packets, also carriesHave UE mark, described method further comprises:
Described MTC-IWF entity utilizes described UE mark to search corresponding contextual information, and utilizes and look intoThe contextual information finding determines that target MTC server is the MTC server through authorizing, or notIt is the MTC server through authorizing; Or,
Described MTC-IWF entity utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments,And utilize the CAMEL-Subscription-Information obtaining to determine that target MTC server is for the MTC server through authorizing, orPerson is not the MTC server through authorizing.
7. the method as described in claim 4 or 5, is characterized in that, in described small data packets, also carriesHave UE mark, described method further comprises:
Described MTC-IWF entity utilizes described UE mark to search corresponding contextual information, and utilizes and look intoThe contextual information finding determines that the length of described small data meets network regulation, or described small dataLength violation closes network regulation; Or,
Described MTC-IWF entity utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments,And utilize the CAMEL-Subscription-Information obtaining to determine that the length of described small data meets network regulation, or described decimalAccording to length violation close network regulation; Or,
The configuration information that the utilization of described MTC-IWF entity is configured on described MTC-IWF entity is determined instituteThe length of stating small data meets network regulation, or the length violation of described small data closes network regulation.
8. a method for transfer of data, is characterized in that, comprising:
Access network equipment receives the small data packets from user equipment (UE), in described small data packets, carries UEMark, target machine class communication MTC server info and small data;
Described small data packets is sent to machine type communication interactive function MTC-IWF by described access network equipmentEntity; Allow described UE to send small data to target MTC by described MTC-IWF entity at definite networkWhen server, utilize described target MTC server info that described small data is sent to described target MTCServer.
9. method as claimed in claim 8, is characterized in that, described access network equipment receives and uses by oneselfThe small data packets of family equipment UE, comprising:
Described access network equipment receives the radio resource control RRC connection request message from described UE,In described RRC connection request message, carry the small data mark for representing to initiate small data transmission;
Described access network equipment sends RRC connection to described UE and sets up message;
Described access network equipment receives the RRC connection setup complete message from described UE, described RRCIn connection setup complete message, carry described small data packets.
10. a method for transfer of data, is characterized in that, comprising:
User equipment (UE) sends radio resource control RRC connection request message to access network equipment, described inIn RRC connection request message, carry the small data mark for representing to initiate small data transmission;
Described UE receives RRC that described access network equipment returns and connects and set up message;
Described UE sends RRC connection setup complete message to described access network equipment, and described RRC connectsFoundation completes and in message, carries small data packets, and in described small data packets, carries UE mark, target machine classCommunication MTC server info and small data; By described access network equipment, described small data packets is sentGive machine type communication interactive function MTC-IWF entity; Permitted at definite network by described MTC-IWF entityWhile being permitted described UE transmission small data to target MTC server, utilize described target MTC server letterDescribed small data is sent to described target MTC server by breath.
The method of 11. 1 kinds of transfer of data, is characterized in that, comprising:
Machine type communication interactive function MTC-IWF entity receives the small data packets from MTC server,In described small data packets, carry small data information;
Determining network when described MTC-IWF entity allows described MTC server to send out by access network equipmentWhile sending small data information to user equipment (UE), described MTC-IWF entity sends described small data informationGive access network equipment.
12. methods as claimed in claim 11, is characterized in that, described MTC-IWF entity receivesFrom the small data packets of MTC server, also comprise afterwards:
Determining network when described MTC-IWF entity does not allow described MTC server to pass through access network equipmentWhile sending small data information to UE, described MTC-IWF entity returns to failure to described MTC serverInformation, carries corresponding reason cause value in described failure information.
13. methods as claimed in claim 12, is characterized in that,
Described MTC-IWF entity determines that network allows described MTC server to send by access network equipmentSmall data information, to UE, comprising: determining described MTC server when described MTC-IWF entity is warpWhile crossing the MTC server of authorizing, described MTC-IWF entity determines that network allows described MTC serviceDevice sends small data information to UE by access network equipment;
Described MTC-IWF entity determines that network does not allow described MTC server to send out by access network equipmentSend small data information to UE, comprising: when described MTC-IWF entity is determined described MTC server notWhile being the MTC server through authorizing, described MTC-IWF entity determines that network does not allow described MTCServer sends small data information to UE by access network equipment.
14. methods as claimed in claim 12, is characterized in that,
Described MTC-IWF entity determines that network allows described MTC server to send by access network equipmentSmall data information, to UE, comprising: determine the length of described small data when described MTC-IWF entity and meetWhen network regulation, described MTC-IWF entity determines that network allows described MTC server to pass through Access NetworkEquipment sends small data information to UE;
Described MTC-IWF entity determines that network does not allow described MTC server to send out by access network equipmentSend small data information to UE, comprising: the length of determining described small data when described MTC-IWF entity is notWhile meeting network regulation, described MTC-IWF entity determines that network does not allow described MTC server to pass throughAccess network equipment sends small data information to UE.
15. methods as claimed in claim 12, is characterized in that,
Described MTC-IWF entity determines that network allows described MTC server to send by access network equipmentSmall data information, to UE, comprising: determining described MTC server when described MTC-IWF entity is warpCross the MTC server of authorizing, and the length of described small data is while meeting network regulation, described MTC-IWFEntity determines that network allows described MTC server to send small data information to UE by access network equipment;
Described MTC-IWF entity determines that network does not allow described MTC server to send out by access network equipmentSend small data information to UE, comprising: when described MTC-IWF entity is determined described MTC server notBe the MTC server through authorizing, or the length violation of described small data is while closing network regulation, described inMTC-IWF entity determines that network does not allow described MTC server to send small data by access network equipmentInformation is to UE.
16. methods as described in claim 13 or 15, is characterized in that, in described small data packets alsoCarry UE mark, described method further comprises:
Described MTC-IWF entity utilizes described UE mark to search corresponding contextual information, and utilizes and look intoThe contextual information finding determines that described MTC server is the MTC server through authorizing, or notIt is the MTC server through authorizing; Or,
Described MTC-IWF entity utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments,And utilize the CAMEL-Subscription-Information obtaining to determine that described MTC server is for the MTC server through authorizing, orPerson is not the MTC server through authorizing.
17. methods as described in claims 14 or 15, is characterized in that, in described small data packets alsoCarry UE mark, described method further comprises:
Described MTC-IWF entity utilizes described UE mark to search corresponding contextual information, and utilizes and look intoThe contextual information finding determines that the length of described small data meets network regulation, or described small dataLength violation closes network regulation; Or,
Described MTC-IWF entity utilizes described UE mark to obtain CAMEL-Subscription-Information from other network equipments,And utilize the CAMEL-Subscription-Information obtaining to determine that the length of described small data meets network regulation, or described decimalAccording to length violation close network regulation; Or,
The configuration information that the utilization of described MTC-IWF entity is configured on described MTC-IWF entity is determined instituteThe length of stating small data meets network regulation, or the length violation of described small data closes network regulation.
18. methods as claimed in claim 11, is characterized in that, in described small data packets, also carryUE mark, described small data information is sent to access network equipment by described MTC-IWF entity, comprising:
Described MTC-IWF entity utilizes described UE mark to search corresponding contextual information, and definite instituteState UE and identify corresponding UE reachability information, or described MTC-IWF entity utilizes described UEMark obtains UE reachability information from other network equipments;
When UE reachability information is UE during in connected state, described MTC-IWF entity is by described decimalIt is believed that breath directly sends to access network equipment; When UE reachability information is UE during in Idle state, described inMTC-IWF entity utilizes small data transmission scheme based on short message service SMS or based on non-accessDescribed small data information is sent to access network equipment by the small data transmission scheme of layer NAS signaling.
19. methods as described in claim 11 or 18, is characterized in that, described small data information isSmall data or be Downlink Control Information.
The method of 20. 1 kinds of transfer of data, is characterized in that, comprising:
Access network equipment receives the small data packets from machine type communication interactive function MTC-IWF entity, instituteState in small data packets and carry small data information, described small data information comprises small data or Downlink Control Information;Wherein, described small data packets is that described MTC-IWF entity determines that network allows described MTC server logicalCross and when access network equipment sends small data information to user equipment (UE), send to access network equipment;
Described access network equipment sends to UE by downstream message by described small data information.
21. 1 kinds of machine type communication interactive function MTC-IWF entities, is characterized in that, comprising:
Receiver module, for receiving the small data packets of the user equipment (UE) forwarding from access network equipment, instituteState and in small data packets, carry target MTC server info and small data;
Determination module, for determining that network allows described UE to send small data to target MTC server;
Sending module, for allowing described UE to send small data to target MTC server when definite networkTime, utilize described target MTC server info that described small data is sent to target MTC server.
22. MTC-IWF entities as claimed in claim 21, is characterized in that,
Described determination module, also for determining that network does not allow described UE to send small data to target MTCServer;
Described sending module, also for not allowing described UE to send small data to target MTC when definite networkWhen server, return to failure information to described access network equipment, in described failure information, carry former accordinglyBecause of cause value.
23. MTC-IWF entities as claimed in claim 22, is characterized in that,
Described determination module, determines that specifically for working as target MTC server is the MTC clothes through authorizingWhen business device, determine that network allows described UE to send small data to target MTC server;
In the time determining that target MTC server is not the MTC server through authorizing, determine that network is not fairPermitted described UE and sent small data to target MTC server.
24. MTC-IWF entities as claimed in claim 22, is characterized in that,
Described determination module, specifically in the time determining that the length of described small data meets network regulation, reallyDetermining network allows described UE to send small data to target MTC server;
In the time determining that the length violation of described small data closes network regulation, determine that network does not allow described UE to send outSend small data to target MTC server.
25. MTC-IWF entities as claimed in claim 22, is characterized in that,
Described determination module, determines that specifically for working as target MTC server is the MTC clothes through authorizingBusiness device, and the length of described small data is while meeting network regulation, determines that network allows described UE to send decimalAccording to giving target MTC server;
When determining that target MTC server is not the MTC server through authorizing, or described small dataWhen length violation closes network regulation, determine that network does not allow described UE to send small data and takes to target MTCBusiness device.
26. MTC-IWF entities as described in claim 23 or 25, is characterized in that described decimalAccording to also carrying UE mark in bag,
Described determination module, is further used for utilizing described UE mark to search corresponding contextual information, andThe contextual information that utilization finds determines that target MTC server is for the MTC server through authorizing,Or not the MTC server through authorizing; Or,
Utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the signing letter obtainingBreath determines that target MTC server is the MTC server through authorizing, or not through authorizingMTC server.
27. MTC-IWF entities as described in claim 24 or 25, is characterized in that described decimalAccording to also carrying UE mark in bag,
Described determination module, is further used for utilizing described UE mark to search corresponding contextual information, andThe contextual information that utilization finds determines that the length of described small data meets network regulation, or described littleThe length violation of data closes network regulation; Or,
Utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the signing letter obtainingBreath determines that the length of described small data meets network regulation, or the length violation of described small data closes networkRegulation; Or,
The configuration information that utilization is configured on described MTC-IWF entity determines that the length of described small data accords withClose network regulation, or the length violation of described small data closes network regulation.
28. 1 kinds of access network equipments, is characterized in that, comprising:
Receiver module, for receiving the small data packets from user equipment (UE), carries in described small data packetsUE mark, target machine class communication MTC server info and small data;
Sending module, for sending to described small data packets machine type communication interactive function MTC-IWFEntity; Allow described UE to send small data to target MTC by described MTC-IWF entity at definite networkWhen server, utilize described target MTC server info that described small data is sent to described target MTCServer.
29. access network equipments as claimed in claim 28, is characterized in that,
Described receiver module, specifically for receiving the radio resource control RRC connect Please from described UEAsk message, in described RRC connection request message, carry the small data mark for representing to initiate small data transmissionWill; Send RRC connection to described UE and set up message; And reception connects from the RRC of described UEFoundation completes message, in described RRC connection setup complete message, carries described small data packets.
30. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
The first sending module, for send radio resource control RRC connection request message to access network equipment,In described RRC connection request message, carry the small data mark for representing to initiate small data transmission;
Receiver module, connects and sets up message for receiving RRC that described access network equipment returns;
The second sending module, for sending RRC connection setup complete message, institute to described access network equipmentState in RRC connection setup complete message and carry small data packets, and in described small data packets, carry UE mark,Target machine class communication MTC server info and small data; By described access network equipment by described littlePacket Generation is to machine type communication interactive function MTC-IWF entity; Existed by described MTC-IWF entityDetermine when network allows described UE to send small data to target MTC server, utilize described target MTCDescribed small data is sent to described target MTC server by server info.
31. 1 kinds of machine type communication interactive function MTC-IWF entities, is characterized in that, comprising:
Receiver module, for receiving the small data packets from MTC server, carries in described small data packetsSmall data information;
Determination module, for determining that network allows described MTC server to send decimal by access network equipmentIt is believed that breath is to user equipment (UE);
Sending module, for allowing described MTC server to send little by access network equipment when definite networkData message during to user equipment (UE), sends to access network equipment by described small data information.
32. MTC-IWF entities as claimed in claim 31, is characterized in that,
Described determination module, also for determining that network does not allow described MTC server to pass through access network equipmentSend small data information to UE;
Described sending module, also for not allowing described MTC server to establish by Access Network when definite networkWhen preparation is sent small data information to UE, return to failure information to described MTC server, described unsuccessfully letterIn breath, carry corresponding reason cause value.
33. MTC-IWF entities as claimed in claim 32, is characterized in that,
Described determination module, determines that specifically for working as described MTC server is the MTC clothes through authorizingBusiness is when device, determine network allow described MTC server by access network equipment send small data information toUE;
In the time determining that described MTC server is not the MTC server through authorizing, determine that network is not fairPermitted described MTC server and sent small data information to UE by access network equipment.
34. MTC-IWF entities as claimed in claim 32, is characterized in that,
Described determination module, specifically in the time determining that the length of described small data meets network regulation, reallyDetermining network allows described MTC server to send small data information to UE by access network equipment;
In the time determining that the length violation of described small data closes network regulation, determine that network does not allow described MTCServer sends small data information to UE by access network equipment.
35. MTC-IWF entities as claimed in claim 32, is characterized in that,
Described determination module, determines that specifically for working as described MTC server is the MTC clothes through authorizingBusiness device, and the length of described small data is while meeting network regulation, determines that network allows described MTC serverSend small data information to UE by access network equipment;
When determining that described MTC server is not the MTC server through authorizing, or described small dataWhen length violation closes network regulation, determine that network does not allow described MTC server to send out by access network equipmentSend small data information to UE.
36. MTC-IWF entities as described in claim 33 or 35, is characterized in that described decimalAccording to also carrying UE mark in bag,
Described determination module, is further used for utilizing described UE mark to search corresponding contextual information, andThe contextual information that utilization finds determines that described MTC server is for the MTC server through authorizing,Or not the MTC server through authorizing; Or,
Utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the signing letter obtainingBreath determines that described MTC server is the MTC server through authorizing, or not through authorizingMTC server.
37. MTC-IWF entities as described in claim 34 or 35, is characterized in that described decimalAccording to also carrying UE mark in bag,
Described determination module, is further used for utilizing described UE mark to search corresponding contextual information, andThe contextual information that utilization finds determines that the length of described small data meets network regulation, or described littleThe length violation of data closes network regulation; Or,
Utilize described UE mark to obtain CAMEL-Subscription-Information from other network equipments, and utilize the signing letter obtainingBreath determines that the length of described small data meets network regulation, or the length violation of described small data closes networkRegulation; Or,
The configuration information that utilization is configured on described MTC-IWF entity determines that the length of described small data accords withClose network regulation, or the length violation of described small data closes network regulation.
38. MTC-IWF entities as claimed in claim 31, is characterized in that described small data packetsIn also carry UE mark,
Described sending module, specifically for utilizing described UE mark to search corresponding contextual information, and reallyFixed described UE identifies corresponding UE reachability information, or, utilize described UE to identify from other networksIn equipment, obtain UE reachability information;
When UE reachability information is UE during in connected state, described small data information is directly sent to and connectLog equipment; When UE reachability information is UE during in Idle state, utilize based on short message service SMSSmall data transmission scheme or small data transmission scheme based on Non-Access Stratum NAS signaling by described decimalIt is believed that breath sends to access network equipment.
39. MTC-IWF entities as described in claim 31 or 38, is characterized in that described decimalIt is believed that breath is small data or is Downlink Control Information.
40. 1 kinds of access network equipments, is characterized in that, comprising:
Receiver module, for receiving the small data from machine type communication interactive function MTC-IWF entityBag, carries small data information in described small data packets, described small data information comprises small data or descending controlInformation processed; Wherein, described small data packets is that described MTC-IWF entity determines that network allows described MTCServer sends to access network equipment while sending small data information to user equipment (UE) by access network equipment;
Sending module, for sending to UE by downstream message by described small data information.
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