CN102333293B - Small data transmission method and equipment - Google Patents
Small data transmission method and equipment Download PDFInfo
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- CN102333293B CN102333293B CN201110282291.4A CN201110282291A CN102333293B CN 102333293 B CN102333293 B CN 102333293B CN 201110282291 A CN201110282291 A CN 201110282291A CN 102333293 B CN102333293 B CN 102333293B
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Abstract
The embodiment of the invention discloses a small data transmission method and equipment. The method comprises the following steps: access network equipment receives a paging message carrying small data from core network equipment; and the access network equipment sends the small data to corresponding UE (user equipment) through an RRC (radio resource control) message. In the embodiment of the invention, the downlink small data is transmitted to the UE in an idle state through RRC signaling, the signaling process of small data transmission is optimized, and the service request process initiated due to the small data transmission is avoided, thereby effectively reducing the signaling overhead in an MTC (machine type communication) scene, reducing the resource consumption of the core network equipment and UE and reducing the possibility of congestion of the core network equipment.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of transmission method and equipment of small data.
Background technology
(1) demand of small data transmission (Small Data Transmission).
Research for M2M (Machine to Machine, machinery compartment) 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 MTC (Machine Type Communication, the machine type communication) equipment of small amount of data.
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) solution of descending small data transmission.
1) use NAS (the Non Access Stratum having set up, Non-Access Stratum) safe context transmits descending SMS (Short Messaging Service, short message service) PDU (Protocol Data Unit, protocol Data Unit), the method utilizes NAS signaling to transmit data, do not need to set up RRC (Radio Resource Control, Radio Resource control) safe context, detailed process comprises:
I.MME (Mobility Management Entity, Mobility Management Entity) and UE (User Equipment, subscriber equipment) in Attach (adhering to)/TAU (Tracking Area Update, tracing section updating) process, carry out small data transmission negotiation.
The descending short message of ii triggers MME paging UE while arriving MME, and set up RRC connect: eat dishes without rice or wine and S1 interface on beep-page message in increase SMS flag (mark), make UE that RRC establishment cause (setting up reason) is revised as to mo-signalling (or new cause value:mt-signalling) from mt-access.This RRC establishment cause allows eNB (base station) to optimize its resource distribution, and configuration UE is not measured and reported.
Iii.UE sends Service Request (service request) response paging, and in message, carries " KSIand sequence number " IE (Information Elements, information element).Afterwards, MME can utilize " KSI and sequence number " and S-TMSI (Temporary Mobile Subscriber Identity, temporary mobile subscriber identity) to encrypt the RP-data of subsequent transmission.
Iv.MME sends RP-data (data) in the encryption IE of the NAS of descending NAS message transfer PDU, and afterwards, NAS PDU is sent to UE by eNB.
In the encryption IE of the NAS PDU of v.UE in UL Information Transfer (uplink information transmission) message, send RP-ACK (confirmation), afterwards, NAS PDU is sent to MME by eNB.
Vi.UE increases a new optional IE in UL Information Transfer, connects to ask eNB to discharge RRC.
Vii eNB discharges RRC and connects.
2) transmit descending small data IP bag with the NAS safe context of having set up, the method is transmitted data by NAS signaling, does not need to set up RRC safe context, and detailed process comprises:
I.MME and UE carry out small data transmission negotiation (attach/TAU), activate NAS and encrypt, and activate a PDN (Packet Data Network, packet data network) connection.
Ii is in the time having downstream IP bag to arrive S-GW (Serving Gateway, gateway), and S-GW buffer memory IP wraps, and IP bag is attached in Downlink Data Notification (downlink data notification) message and is transferred to MME.Next whether S-GW detects has IP bag to arrive same UE, and whether total size of these IP bags exceed the value of operator or CAMEL-Subscription-Information configuration, and if so, S-GW sends Downlink Data Notification request and sets up S1 carrying.
Iii.MME carries out paging.Eat dishes without rice or wine and S1 interface on beep-page message increase small data flag and allow UE to change RRC establishment cause into mo-signalling (or new cause value:mt-signalling) from mt-access.This RRC establishment cause allows eNB to optimize its resource distribution, and configuration UE is not measured and reported.
MME judges whether to send small data flag and the complete ensuing service request of execution procedure (process) whether according to CAMEL-Subscription-Information.UE sends the paging of service request message response, and carries " KSI and sequence number " IE.Afterwards, MME can utilize " KSI and sequence number " and S-TMSI to encrypt the IP bag of subsequent transmission.
Iv.MME sends IP bag and EPS (Evolved Packet System, the grouping system of evolution) bearer ID (bearing identification) in the encryption IE of the NAS PDU of the descending NAS message transfer of S1, and afterwards, NAS PDU is issued UE by eNB.
V.UE sends IP bag as response.In the encryption IE of the NAS PDU of UE in UL Information Transfer message, send IP bag and EPS bearer ID.Afterwards, NAS PDU is sent to MME by eNB, and MME deciphers IE, increases GTP head, and send it to S-GW.
Vi.UE increases a new optional IE in UL Information Transfer, connects to ask eNB to discharge RRC.
Vii eNB discharges RRC and connects.
Realizing in process of the present invention, inventor finds at least to exist in prior art following problem:
For the descending small data transmission of Idle state, existing scheme all needs descending small data to trigger MME paging UE, utilizes the service request process of UE response paging to complete the transmission of descending small data.In the time that a large amount of MTC equipment need to carry out small data communication, can cause great burden to radio open resource and node signal resource; And the required signaling of said process may be much larger than the small data quantity that will transmit, this is all irrational for network and UE.
Summary of the invention
The embodiment of the present invention provides a kind of transmission method and equipment of small data, to reduce signaling consumption.
In order to achieve the above object, the embodiment of the present invention provides a kind of transmission method of small data, comprising:
Access network equipment receives the beep-page message that carries small data from equipment of the core network;
Described access network equipment sends to corresponding subscriber equipment by radio resource control RRC message by described small data.
The embodiment of the present invention provides a kind of transmission method of small data, comprising:
Equipment of the core network defines small data need to send to the subscriber equipment in Idle state;
Described equipment of the core network sends to access network equipment by beep-page message by described small data.
The embodiment of the present invention provides a kind of transmission method of small data, comprising:
Subscriber equipment receives the radio resource control RRC message from access network equipment, in described RRC message, carries the small data that need to send to the described subscriber equipment in Idle state;
Described subscriber equipment obtains described small data from described RRC message.
The embodiment of the present invention provides a kind of access network equipment, comprising:
Core-network side communication module, for receiving the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module, for sending to corresponding subscriber equipment by radio resource control RRC message by described small data.
The embodiment of the present invention provides a kind of equipment of the core network, comprising:
Determination module, need to send to the subscriber equipment in Idle state for defining small data;
Sending module, for sending to access network equipment by beep-page message by described small data.
The embodiment of the present invention provides a kind of subscriber equipment, comprising:
Receiver module, for receiving the radio resource control RRC message from access network equipment, carries the small data that need to send to the described subscriber equipment in Idle state in described RRC message;
Obtain module, for obtaining described small data from described RRC message.
Compared with prior art, the embodiment of the present invention at least has the following advantages: be to transmit descending small data in the UE of Idle state by RRC signaling, optimize the signaling procedure of small data transmission, avoided the service request process of initiating due to small data transmission; Thereby effectively reduce signaling consumption under MTC scene, reduced the resource consumption of equipment of the core network and UE, reduced the congested possibility of equipment of the core network.
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 of the service request process that in prior art, UE initiates;
Fig. 2 is the schematic diagram of the RRC connection establishment of UE in prior art;
Fig. 3 is the schematic diagram of the service request process of paging and triggering thereof in prior art;
Fig. 4 is the transmission method schematic flow sheet of a kind of small data of providing of the embodiment of the present invention one;
Fig. 5 is the MTC configuration diagram providing in the embodiment of the present invention two;
Fig. 6 is the schematic diagram of the descending small data transmission process that proposes based on MTC framework in the embodiment of the present invention two;
Fig. 7 is the structural representation of a kind of access network equipment of providing in the embodiment of the present invention three;
Fig. 8 is the structural representation of a kind of equipment of the core network of providing in the embodiment of the present invention four;
Fig. 9 is the structural representation of a kind of subscriber equipment of providing in the embodiment of the present invention five.
Embodiment
Inventor notices realizing in process of the present invention: in current business transmitting procedure, the data transmission procedure of system is for H2H (Human to Human, people is to people) communication requirement designs, in current LTE system, for the UE in idle condition, if network side has downlink data need to send to UE, network side needs paging UE, trigger UE and initiate service request procedure, and set up UE eating dishes without rice or wine and the carrying of S1 mouth, can carry out transfer of data based on this carrying afterwards; Above-mentioned processing, for H2H communication, if above-mentioned processing is applied under the small data transmission scene of MTC, is only service request procedure, and its signaling consumption likely will be greater than the data volume of the small data of needs transmission, and system effectiveness is very low; In the time existing a large amount of MTC equipment that small data need to be sent, may cause network congestion.
In order to reduce signaling consumption, improve system effectiveness, the current small data transmission characteristic for MTC, mainly contains two kinds of solutions, the small data transmission scheme of SMS-Based and the small data transmission scheme based on NAS signaling.But, for the descending small data transmission of the UE in Idle state, this two classes scheme all needs descending small data to trigger MME paging UE, utilize the service request process of UE response paging to complete the transmission of descending small data, thereby radio open resource and node signal resource are caused to great burden.
For the problems referred to above, the embodiment of the present invention provides a kind of transmission method and equipment of small data, be to transmit descending small data in the UE of Idle state by RRC signaling, optimized the signaling procedure of small data transmission, avoided the service request process of initiating due to small data transmission.In addition, in the process that realizes the embodiment of the present invention, the normal process that inventor considers comprises: the schematic diagram of the service request process of the schematic diagram of the RRC connection establishment (connect and set up) of the schematic diagram of the service request process that UE as shown in Figure 1 initiates, UE as shown in Figure 2, paging as shown in Figure 3 and triggering thereof; In Fig. 3, receiving after paging (paging) message, UE utilizes RRC connection establishment process to set up the SRB (Signaling Radio Bearer, Signaling Radio Bearer) between eNB, in order to transmit RRC signaling.UE sends to network by the NAS container (container) in RRC connection setup complete (connect and set up) message by NAS message service request message (information), thereby initiates service request process.
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.
Embodiment mono-
The embodiment of the present invention one provides a kind of transmission method of small data, and the method is the transmitting procedure for small data, and this small data is the Small Data 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 Small Data size in current agreement: " The observed size of many of the instances of data exchanges is on the order of 1K (1024) octets or less ", 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.
As shown in Figure 4, the method comprises the following steps:
Step 401, equipment of the core network (as MME, SGSN (Serving GPRS Supporting Node, Serving GPRS Support Node) etc.) defines small data and need to send to the UE in Idle state.
In the embodiment of the present invention, equipment of the core network can receive small data, and determines that this small data need to send to the UE in Idle state.The mode that equipment of the core network receives small data includes but not limited to: small data is sent to P-GW by (1) MTC server (server), and small data is sent to S-GW by P-GW, and small data is sent to MME by S-GW; (2) small data is sent to MTC-IWF (inter-working function, interactive function) by MTC server, and small data is sent to MME by MTC-IWF.
Step 402, equipment of the core network sends to access network equipment (as base station, eNB etc.) by paging (paging) message by small data.
In the embodiment of the present invention, receiving after small data, equipment of the core network can paging UE, and carries this small data in the paging message that sends to access network equipment.
Step 403, access network equipment receives the beep-page message that carries small data from equipment of the core network.
Concrete, in the time having small data need to send to the UE in Idle state, this access network equipment can receive the beep-page message that carries small data from equipment of the core network.
Step 404, access network equipment sends to UE by RRC message by small data.
Concrete, receiving after beep-page message, access network equipment can be according to normal running paging UE, and buffer memory small data.Afterwards, access network equipment can send to UE by small data by RRC message, and access network equipment sends to UE by RRC connection setup message by small data.
In the embodiment of the present invention, after access network equipment paging UE, UE need to respond paging, and sends RRC connection request message to access network equipment; Therefore, access network equipment can receive RRC connection request message in the time that UE responds paging, and afterwards, access network equipment can send to UE by small data by RRCconnection setup message.
Step 405, UE receives the RRC message (as the RRC connection setup message of carrying small data) from access network equipment, and carries the small data that need to send to the UE in Idle state in this RRC message.Afterwards, UE can obtain small data from RRC message.
In the embodiment of the present invention, in the time of access network equipment paging UE, this UE need to respond paging, and need to send RRC connection request message to access network equipment, connects process of establishing to initiate RRC; Afterwards, UE can receive the RRC connection setup message that carries small data from access network equipment.
Step 406, UE sends RRC connection setup complete message to access network equipment.Wherein, in this RRC connection setup complete message, carried the information that the small data to receiving is confirmed.
Receiving after RRC connection setup message, UE need to return to RRC connection setup complete message to access network equipment, wherein carries UL NAS transport (up Non-Access Stratum transmission) message and AS (Access Layer) message; In the embodiment of the present invention, can carry the information that the small data to receiving is confirmed by UL NAS transport message; Or, carry by AS message the information that the small data to receiving is confirmed.
Step 407, access network equipment receives the RRC connection setup complete message from UE, in this RRC connection setup complete message, has carried the information that the small data to receiving is confirmed.
Step 408, access network equipment sends and confirms that UE has received the information of small data to equipment of the core network.
Step 409, equipment of the core network receives the information of having received small data from the confirmation UE of access network equipment.
In sum, in the embodiment of the present invention, equipment of the core network can incidentally be given access network equipment by paging message by small data, and complete small data transmission and the confirmation process of access network equipment and UE by RRC signaling, without initiating follow-up service request process, can realize transmission small data to the UE in Idle state, optimize the signaling procedure of small data transmission, avoid the service request process of initiating due to small data transmission; Thereby effectively reduce signaling consumption under MTC scene, reduced the resource consumption of equipment of the core network and UE, reduced the congested possibility of equipment of the core network.
Embodiment bis-
The embodiment of the present invention two provides a kind of transmission method of small data, is elaborated in conjunction with the MTC configuration diagram shown in Fig. 5.In MTC framework, the service that MTC equipment can utilize 3GPP to provide with the end-to-end communication between MTC application, 3GPP provides transmission and communication service, comprises 3GPP carrying service, IMS and SMS, and is optimized for MTC communicates by letter.
UE can be connected to 3GPP network (UTRAN, E-UTRAN, GERAN, I-WLAN etc.) by Um/Uu/LTE-Uu interface.In the framework shown in Fig. 5, comprise with drag: (1) direct model (direct connection model): the direct communication being provided by 3GPP operator, MTC applications (application) does not pass through MTC server, but is directly connected to carrier network.(2) indirect model (model indirectly): 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 indirect model:3GPP operator controls, MTC server is positioned at carrier network, MTCi, MTCsp and MTCsms are the internal interfaces of PLMN.(4) hybrid model (mixed model), hybrid model comprises direct model and indirect model, sets up user plane by direct model, utilizes indirect model to transmit control plane signaling.
In the framework shown in Fig. 5, in order to support indirect model and the hybrid model of MTC communication, need in PLMN network, configure one or more MTC InterWorking Function (MTC-IWF), 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, MTC server is carried out to authentication; Authorize the control plane communication request of MTC server; Support the secure communication between 3GPP network and MTC server.
Based on the above-mentioned network architecture, 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.
As shown in Figure 6, based on the above-mentioned network architecture, the transmitting procedure of descending small data comprises the following steps:
The legal MTC server of step 1, process authentication and mandate is issued MTC-IWF by MTCsp interface by small data, contains the outside mark of UE in small data.
Step 2, MTC-IWF obtain UE in information such as the states of the internal indicator of 3GPP network, serving MME, UE by the outside mark of UE; And small data is transmitted to MME by control signal between utilization and MME.
Mode one, MTC-IWF can be by inquiring about the above-mentioned information that obtains to HSS: inquiry request message can be the outside mark of UE, also can be the 3GPP internal indicator (prerequisite is that the inside and outside mark that there is a UE at MTC-IWF place is shone upon) of UE.
Mode two, MTC-IWF place safeguard the context that has UE, wherein comprised the information such as state of UE mark, serving MME, UE.
Step 3, MME are receiving after the small data that MTC-IWF transmits, paging UE, and in the beep-page message that sends to eNB, carry the small data of encrypting through NAS safe context.
Step 4, eNB are according to normal running paging UE, and buffer memory is through the small data of NAS safe context encryption.
When step 5, UE response paging, send RRC connection request message, connect process of establishing to initiate RRC.
Step 6, eNB pass to UE by RRC connection setup message by the small data of encrypting through NAS safe context.
Step 7, UE receive after the small data of encrypting through NAS safe context in RRC connection setup message, thereby can be decrypted and obtain the small data that MTC server is sent small data by the NAS safe context at UE place, and no longer initiate service request process.
In addition, UE returns to RRC connection setup complete message to eNB, and the small data of receiving is confirmed.Wherein, UE can carry small data ACK message by UL NAS transport message, or UE can carry small data ACK message by AS message.
Step 8, eNB carry out small data transmission confirmation by S1-AP message to MME.
Step 9, MME carry out small data transmission confirmation to MTC-IWF.
Step 10, MTC-IWF carry out small data transmission confirmation to MTC server.
Embodiment tri-
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 7, this equipment comprises:
Core-network side communication module 11, for receiving the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module 12, for sending to corresponding subscriber equipment by radio resource control RRC message by described small data.
Described core-network side communication module 11, specifically in the time having small data need to send to the described subscriber equipment in Idle state, receives the beep-page message that carries described small data from equipment of the core network.
Described subscriber side telecommunications module 12, sets up connection setup message described small data is sent to described subscriber equipment specifically for connecting by RRC.
Described subscriber side telecommunications module 12, specifically for subscriber equipment described in paging, and in the time of described user device responsive paging, receive the RRC connection request connection request message from described subscriber equipment, and by described RRC connection setup message, described small data is sent to described subscriber equipment.
Described subscriber side telecommunications module 12, also for receiving after described small data when described subscriber equipment, receive from the RRC of described subscriber equipment and connect and set up connection setup complete message, in described RRC connection setup complete message, carried the information that the small data to receiving is confirmed.
Carry by the up Non-Access Stratum transmission ULNAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
Described core-network side communication module 11, also for having received the information of described small data to the described subscriber equipment of described equipment of the core network transmission confirmation.
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 tetra-
Based on the inventive concept same with said method, a kind of equipment of the core network is also provided in the embodiment of the present invention, as shown in Figure 8, this equipment comprises:
Determination module 21, need to send to the subscriber equipment in Idle state for defining small data;
Sending module 22, for sending to access network equipment by beep-page message by described small data.
This equipment of the core network also comprises:
Receiver module 23, for receiving that when described access network equipment described subscriber equipment confirms to have received after the information of described small data, receives the information of having received described small data from the described subscriber equipment of confirmation of described 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 five
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 9, this equipment comprises:
Receiver module 31, for receiving the radio resource control RRC message from access network equipment, carries the small data that need to send to the described subscriber equipment in Idle state in described RRC message;
Obtain module 32, for obtaining described small data from described RRC message.
Described receiver module 31, connects and sets up connection setup message specifically for receiving from the RRC that carries described small data of described access network equipment.
Described receiver module 31, specifically for when the described access network equipment calling user device, sends RRC connection request connection request message to described access network equipment; And reception is from the RRC connection setup message of carrying described small data of described access network equipment.
This subscriber equipment also comprises:
Sending module 33, has set up connection setup complete message for send RRC connection to described access network equipment, in described RRC connection setup complete message, has carried the information that the small data to receiving is confirmed.
Carry by the up Non-Access Stratum transmission ULNAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
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 execution mode.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 (28)
1. a transmission method for small data, is characterized in that, comprising:
Access network equipment receives the beep-page message that carries small data from equipment of the core network;
Small data described in described access network equipment buffer memory, and by radio resource control RRC message, described small data is sent to corresponding subscriber equipment.
2. the method for claim 1, is characterized in that, described access network equipment receives the beep-page message that carries small data from equipment of the core network, comprising:
In the time having small data need to send to the described subscriber equipment in Idle state, described access network equipment receives the beep-page message that carries described small data from equipment of the core network.
3. the method for claim 1, is characterized in that, described access network equipment sends to corresponding subscriber equipment by RRC message by described small data, comprising:
Described access network equipment is connected and is set up connection setup message described small data is sent to described subscriber equipment by RRC.
4. method as claimed in claim 3, is characterized in that, described access network equipment sends to described subscriber equipment by RRC connection setup message by described small data, comprising:
Subscriber equipment described in described access network equipment paging, and in the time of described user device responsive paging, receive the RRC connection request connection request message from described subscriber equipment, and by described RRC connection setup message, described small data is sent to described subscriber equipment.
5. the method for claim 1, is characterized in that, described access network equipment sends to corresponding subscriber equipment by RRC message by described small data, also comprises afterwards:
When described subscriber equipment receives after described small data, described access network equipment receives from the RRC of described subscriber equipment and connects and set up connection setup complete message, in described RRC connection setup complete message, has carried the information that the small data to receiving is confirmed.
6. method as claimed in claim 5, is characterized in that, carries by the up Non-Access Stratum transmission UL NAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
7. the method as described in claim 5 or 6, is characterized in that, described access network equipment receives the RRC connection setup complete message from described subscriber equipment, also comprises afterwards:
Described access network equipment has been received the information of described small data to the described subscriber equipment of described equipment of the core network transmission confirmation.
8. a transmission method for small data, is characterized in that, comprising:
Equipment of the core network defines small data need to send to the subscriber equipment in Idle state;
Described equipment of the core network sends to access network equipment by beep-page message by described small data, so that small data described in described access network equipment buffer memory, and by radio resource control RRC message, described small data is sent to corresponding subscriber equipment.
9. method as claimed in claim 8, is characterized in that, described equipment of the core network sends to access network equipment by beep-page message by described small data, also comprises afterwards:
Receive described subscriber equipment when described access network equipment and confirm to have received after the information of described small data, described equipment of the core network receives the information of having received described small data from the described subscriber equipment of confirmation of described access network equipment.
10. a transmission method for small data, is characterized in that, comprising:
Subscriber equipment receives the radio resource control RRC message from access network equipment, in described RRC message, carries the small data that need to send to the described subscriber equipment in Idle state;
Described subscriber equipment obtains described small data from described RRC message.
11. methods as claimed in claim 10, is characterized in that, described subscriber equipment receives the RRC message from access network equipment, comprising:
Described subscriber equipment receives from the RRC that carries described small data of described access network equipment and connects and set up connection setup message.
12. methods as claimed in claim 11, is characterized in that, described subscriber equipment receives the RRC connection setup message of carrying described small data from described access network equipment, comprising:
Described in described access network equipment paging when subscriber equipment, described subscriber equipment sends RRC connection request connection request message to described access network equipment; And reception is from the RRC connection setup message of carrying described small data of described access network equipment.
13. methods as claimed in claim 10, is characterized in that, described subscriber equipment receives the radio resource control RRC message from access network equipment, also comprises afterwards:
Described subscriber equipment sends RRC connection to described access network equipment and has set up connection setup complete message, in described RRC connection setup complete message, has carried the information that the small data to receiving is confirmed.
14. methods as claimed in claim 13, is characterized in that, carry by the up Non-Access Stratum transmission UL NAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
15. 1 kinds of access network equipments, is characterized in that, comprising:
Core-network side communication module, for receiving the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module, for small data described in buffer memory, and sends to corresponding subscriber equipment by radio resource control RRC message by described small data.
16. access network equipments as claimed in claim 15, is characterized in that,
Described core-network side communication module, specifically in the time having small data need to send to the described subscriber equipment in Idle state, receives the beep-page message that carries described small data from equipment of the core network.
17. access network equipments as claimed in claim 15, is characterized in that,
Described subscriber side telecommunications module, sets up connection setup message described small data is sent to described subscriber equipment specifically for connecting by RRC.
18. access network equipments as claimed in claim 17, is characterized in that,
Described subscriber side telecommunications module, specifically for subscriber equipment described in paging, and in the time of described user device responsive paging, receive the RRC connection request connection request message from described subscriber equipment, and by described RRC connection setup message, described small data is sent to described subscriber equipment.
19. access network equipments as claimed in claim 15, is characterized in that,
Described subscriber side telecommunications module, also for receiving after described small data when described subscriber equipment, receive from the RRC of described subscriber equipment and connect and set up connection setup complete message, in described RRC connection setup complete message, carried the information that the small data to receiving is confirmed.
20. access network equipments as claimed in claim 19, is characterized in that, carry by the up Non-Access Stratum transmission UL NAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
21. access network equipments as described in claim 19 or 20, is characterized in that,
Described core-network side communication module, also for having received the information of described small data to the described subscriber equipment of described equipment of the core network transmission confirmation.
22. 1 kinds of equipments of the core network, is characterized in that, comprising:
Determination module, need to send to the subscriber equipment in Idle state for defining small data;
Sending module, for by beep-page message, described small data being sent to access network equipment, so that small data described in described access network equipment buffer memory, and by radio resource control RRC message, described small data is sent to corresponding subscriber equipment.
23. equipments of the core network as claimed in claim 22, is characterized in that, also comprise:
Receiver module, for receiving that when described access network equipment described subscriber equipment confirms to have received after the information of described small data, receives the information of having received described small data from the described subscriber equipment of confirmation of described access network equipment.
24. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Receiver module, for receiving the radio resource control RRC message from access network equipment, carries the small data that need to send to the described subscriber equipment in Idle state in described RRC message;
Obtain module, for obtaining described small data from described RRC message.
25. subscriber equipmenies as claimed in claim 24, is characterized in that,
Described receiver module, connects and sets up connection setup message specifically for receiving from the RRC that carries described small data of described access network equipment.
26. subscriber equipmenies as claimed in claim 25, is characterized in that,
Described receiver module, specifically for when the described access network equipment calling user device, sends RRC connection request connection request message to described access network equipment; And reception is from the RRC connection setup message of carrying described small data of described access network equipment.
27. subscriber equipmenies as claimed in claim 24, is characterized in that, also comprise:
Sending module, has set up connection setup complete message for send RRC connection to described access network equipment, in described RRC connection setup complete message, has carried the information that the small data to receiving is confirmed.
28. subscriber equipmenies as claimed in claim 27, is characterized in that, carry by the up Non-Access Stratum transmission UL NAS transport message in described RRC connection setup complete message the information that the small data to receiving is confirmed; Or,
Carry by the Access Layer AS message in described RRC connection setup complete message the information that the small data to receiving is confirmed.
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