CN102333293A - Small data transmission method and equipment - Google Patents
Small data transmission method and equipment Download PDFInfo
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- CN102333293A CN102333293A CN201110282291A CN201110282291A CN102333293A CN 102333293 A CN102333293 A CN 102333293A CN 201110282291 A CN201110282291 A CN 201110282291A CN 201110282291 A CN201110282291 A CN 201110282291A CN 102333293 A CN102333293 A CN 102333293A
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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, on the mobile network, provides M2M communication to have the market potential prospect.The 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 MTC (Machine Type Communication, the communication of the machine class) equipment that sends or receive small amount of data.
For this reason, the current characteristic demand that has proposed as follows small data transmission: system supports small amount of data to transmit bring minimum influence (like signaling consumption, Internet resources, the time-delay of reshuffling etc.) to network; When needs sent small amount of data, MTC equipment can be attached in the network, or from the network attachment removal; Definition to small amount of data should be able to be configured based on the strategy of CAMEL-Subscription-Information or operator.
(2) solution of descending small data transmission.
1) uses NAS (the Non Access Stratum that has set up; Non-Access Stratum) safe context transmits descending SMS (Short Messaging Service, short message service) PDU (Protocol Data Unit, protocol Data Unit); This method utilizes the NAS signaling to transmit data; Need not 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) carry out small data transmission in Attach (adhering to)/TAU (Tracking Area Update, tracing section updating) process consults.
The descending short message of ii triggers MME paging UE when arriving MME; And set up RRC and connect: eat dishes without rice or wine with the S1 interface on beep-page message in increase SMS flag (sign), make UE that RRC establishment cause (setting up reason) is revised as mo-signalling (or new cause value:mt-signalling) from mt-access.This RRC establishment cause allows eNB (base station) to optimize its resource allocation, and configuration UE is not carried out measurement and report.
Iii.UE sends Service Request (services 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, afterwards, eNB sends to UE with NAS PDU.
Send RP-ACK (affirmation) among the encryption IE of the NAS PDU of v.UE in UL Information Transfer (uplink information transmission) message, afterwards, eNB sends to MME with NAS PDU.
Vi.UE increases a new optional IE in UL Information Transfer, discharge RRC with request eNB and connect.
Vii eNB discharges RRC and connects.
2) use the NAS safe context of having set up to transmit descending small data IP bag, this method uses the NAS signaling to transmit data, need not set up the RRC safe context, and detailed process comprises:
I.MME and UE carry out small data transmission and consult (attach/TAU), activate NAS and encrypt, and activate a PDN (Packet Data Network, packet data network) connection.
When ii arrived S-GW (Serving Gateway, gateway) as the downstream IP bag, S-GW buffer memory IP wrapped, and IP is wrapped attached to being transferred to MME in Downlink Data Notification (downlink data notification) message.Next whether S-GW detects has the IP bag to arrive same UE, and whether total size of these IP bags surpass the value of operator or CAMEL-Subscription-Information configuration, if S-GW sends Downlink Data Notification request and sets up S1 and carry.
Iii.MME carries out paging.Eat dishes without rice or wine with the 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 allocation, and configuration UE is not carried out measurement and report.
Whether complete MME judge whether to send small data flag and the ensuing service request of execution procedure (process) 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, afterwards, eNB issues UE with NAS PDU.
V.UE sends the IP bag as response.Send IP bag and EPS bearer ID among the encryption IE of the NAS PDU of UE in UL Information Transfer message.Afterwards, eNB sends to MME with NAS PDU, and MME deciphers IE, increases the GTP head, and sends it to S-GW.
Vi.UE increases a new optional IE in UL Information Transfer, discharge RRC with request eNB and connect.
Vii eNB discharges RRC and connects.
In realizing process of the present invention, the inventor finds to exist at least in the 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, and the service request process of utilizing UE to respond paging is accomplished the transmission of descending small data.When a large amount of MTC equipment need carry out small data communication, can cause great burden to radio open resource and node signal resource; And the required signaling of said process maybe much larger than the small data quantity that will transmit, this all is irrational for network and UE.
Summary of the invention
The embodiment of the 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 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;
Said access network equipment sends to corresponding subscriber equipment through radio resource control RRC message with said small data.
The embodiment of the invention provides a kind of transmission method of small data, comprising:
Equipment of the core network defines small data need send to the subscriber equipment that is in Idle state;
Said equipment of the core network sends to access network equipment through beep-page message with said small data.
The embodiment of the invention provides a kind of transmission method of small data, comprising:
Subscriber equipment receives the radio resource control RRC message from access network equipment, carries the small data that need send to the said subscriber equipment that is in Idle state in the said RRC message;
Said subscriber equipment obtains said small data from said RRC message.
The embodiment of the invention provides a kind of access network equipment, comprising:
The core-network side communication module is used to receive the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module is used for through radio resource control RRC message said small data being sent to corresponding subscriber equipment.
The embodiment of the invention provides a kind of equipment of the core network, comprising:
Determination module is used to define small data and need sends to the subscriber equipment that is in Idle state;
Sending module is used for through beep-page message said small data being sent to access network equipment.
The embodiment of the invention provides a kind of subscriber equipment, comprising:
Receiver module is used to receive the radio resource control RRC message from access network equipment, carries the small data that need send to the said subscriber equipment that is in Idle state in the said RRC message;
Obtain module, be used for obtaining said small data from said RRC message.
Compared with prior art; The embodiment of the invention has the following advantages at least: through the RRC signaling is that the UE that is in Idle state transmits descending small data; Optimize the signaling procedure of small data transmission, avoided the service request process of initiating owing to small data transmission; Thereby effectively reduced signaling consumption under the MTC scene, reduced the resource consumption of equipment of the core network and UE, reduced the congested possibility of equipment of the core network.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of the service request process that UE initiates in the prior art;
Fig. 2 is the sketch map of the RRC connection establishment of UE in the prior art;
Fig. 3 is the sketch map of the service request process of paging and triggering thereof in the prior art;
Fig. 4 is the transmission method schematic flow sheet of a kind of small data of providing of the embodiment of the invention one;
Fig. 5 is the MTC configuration diagram that provides in the embodiment of the invention two;
Fig. 6 is the sketch map of the descending small data transmission process that proposed based on the MTC framework in the embodiment of the invention two;
Fig. 7 is the structural representation of a kind of access network equipment of providing in the embodiment of the invention three;
Fig. 8 is the structural representation of a kind of equipment of the core network of providing in the embodiment of the invention four;
Fig. 9 is the structural representation of a kind of subscriber equipment of providing in the embodiment of the invention five.
Embodiment
The inventor notices in realizing process of the present invention: in the current professional transmission course, the data transmission procedure of system is to design to H2H (Human to Human, the people is to the people) communication requirement; In current LTE system, for the UE that is in idle condition, if network side has downlink data need send to UE; Then network side needs paging UE; Trigger UE and initiate service request procedure, and set up UE, can carry out transfer of data based on this carrying afterwards in the carrying of eating dishes without rice or wine with the S1 mouth; Above-mentioned processing if above-mentioned processing is applied under the small data transmission scene of MTC, then only is service request procedure to H2H communication, and its signaling consumption might be greater than the data volume of the small data of needs transmission, and system effectiveness is very low; When existing a large amount of MTC equipment to be sent small data, may cause network congestion.
In order to reduce signaling consumption, improve system effectiveness, current small data transmission characteristic to MTC mainly contains two kinds of solutions, the small data transmission scheme of SMS-Based and based on the small data transmission scheme of NAS signaling.But; Descending small data transmission for the UE that is in Idle state; These two types of schemes all need descending small data to trigger MME paging UE; Utilize the service request process of UE response paging to accomplish the transmission of descending small data, thereby radio open resource and node signal resource are caused great burden.
To the problems referred to above; The embodiment of the invention provides a kind of transmission method and equipment of small data; Through the RRC signaling is that the UE that is in Idle state transmits descending small data, has optimized the signaling procedure of small data transmission, has avoided the service request process of initiating owing to small data transmission.In addition; In the process that realizes the embodiment of the invention, the normal process that the inventor considers comprises: the sketch map of the service request process of the sketch map of the RRC connection establishment of the sketch map of the service request process that UE as shown in Figure 1 initiates, UE as shown in Figure 2 (connect and set up), paging as shown in Figure 3 and triggering thereof; In Fig. 3, after receiving paging (paging) message, UE utilizes the SRB (Signaling Radio Bearer, Signaling Radio Bearer) between foundation of RRC connection establishment process and the eNB, in order to transmission RRC signaling.UE sends to network through the NAS container (container) in RRC connection setup complete (connect to set up and the accomplish) message with NAS message service request message (information), thereby initiates service request process.
To combine the accompanying drawing among the present invention below, the technical scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
The embodiment of the invention one provides a kind of transmission method of small data, and this method is the transmission course to 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 in current agreement about Small Data size: " The observed size of many of the instances of data exchanges is on the order of 1K (1024) octets or less ", therefore can know and can the data of data length below the 1K byte be called small data; Certainly in practical application, be not limited to this definition mode, can adjust, explanation no longer in detail to this in the embodiment of the invention according to actual conditions.
As shown in Figure 4, this method may further comprise the steps:
In the embodiment of the invention, equipment of the core network can receive small data, and confirms that this small data need send to the UE that is in Idle state.The mode that equipment of the core network receives small data includes but not limited to: (1) MTC server (server) sends to P-GW with small data, and P-GW sends to S-GW with small data, and S-GW sends to MME with small data; (2) the MTC server sends to MTC-IWF (inter-working function, interactive function) with small data, and MTC-IWF sends to MME with small data.
In the embodiment of the invention, after receiving small data, equipment of the core network can paging UE, and in sending to the paging message of access network equipment, carries this small data.
Concrete, when small data need send to the UE that is in Idle state, this access network equipment can receive the beep-page message that carries small data from equipment of the core network.
Concrete, after receiving beep-page message, access network equipment can be according to normal running paging UE, and the buffer memory small data.Afterwards, access network equipment can send to UE with small data through RRC message, and promptly access network equipment sends to UE through RRC connection setup message with small data.
In the embodiment of the invention, behind the access network equipment paging UE, UE need respond paging, and sends RRC connection request message to access network equipment; Therefore, access network equipment can receive RRC connection request message when UE responds paging, and afterwards, access network equipment can send to UE with small data through RRCconnection setup message.
In the embodiment of the invention, when access network equipment paging UE, this UE need respond paging, and need send RRC connection request message to access network equipment, connects the process of setting up to initiate RRC; Afterwards, UE can receive the RRC connection setup message that carries small data from access network equipment.
After receiving RRC connection setup message, UE need return 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 invention, can carry the information that the small data of receiving is confirmed through UL NAS transport message; Perhaps, carry the information that the small data of receiving is confirmed through AS message.
In sum; In the embodiment of the invention, equipment of the core network can incidentally be given access network equipment through paging message with small data, and accomplishes small data transmission and the affirmation process of access network equipment and UE through the RRC signaling; Need not to initiate follow-up service request process; Promptly can realize transmitting small data and give the UE that is in Idle state, optimize the signaling procedure of small data transmission, avoid the service request process of initiating owing to small data transmission; Thereby effectively reduced signaling consumption under the 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 two
The embodiment of the invention two provides a kind of transmission method of small data, is elaborated in conjunction with MTC configuration diagram shown in Figure 5.In the MTC framework, the service that the end-to-end communication between MTC equipment is used with MTC can utilize 3GPP to provide, 3GPP provides transmission and communication service, comprises that 3GPP carries service, IMS and SMS, and optimizes for MTC communicates by letter.
UE can be connected to 3GPP network (UTRAN, E-UTRAN, GERAN, I-WLAN etc.) through the Um/Uu/LTE-Uu interface.In framework shown in Figure 5, comprised with drag: (1) direct model (direct connection model): by the direct communication that 3GPP operator provides, MTC applications (application) does not pass through MTC server, but is directly connected to carrier network.(2) indirect model (model indirectly): the communication of MTC service provider's control, MTC server are the outer entities of provider domain, MTCi, and MTCsp and MTCsms are external interfaces.(3) communication of indirect model:3GPP operator control, the MTC server is positioned at carrier network, and 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 through direct model, utilizes indirect model transmitting control plane signaling.
In framework shown in Figure 5; In order to support the indirect model and the hybrid model of MTC communication; Need in the PLMN network, dispose one or more MTC InterWorking Function (MTC-IWF); MTC-IWF can be an independent entity, also can be the functional entity on another network element; This MTC-IWF is positioned on the PLMN inner topology, through the signaling between MTCsp interface transmission 3GPP network and the MTC server.The function of MTC-IWF comprises: MTCsp is provided reference point; Before the signaling that is established to the 3GPP network, MTC server is carried out authentication; Authorize the control plane communication request of MTC server; Support the secure communication between 3GPP network and the MTC server.
Based on the above-mentioned network architecture; As the interface node of 3GPP towards the MTC server; After MTC-IWF carries out authentication to the MTC server, authorize the control plane communication be established to the MTC server, and the small data that the MTC server that receives is sent through and MME between control messages send to MME.
As shown in Figure 6, based on the above-mentioned network architecture, the transmission course of descending small data may further comprise the steps:
The legal MTC server of step 1, process authentication and mandate is issued MTC-IWF through the MTCsp interface with small data, contains the outside sign of UE in the small data.
Mode one, MTC-IWF can be through inquiring about the above-mentioned information that obtains to HSS: inquiry request message can be the outside sign of UE, also can be the 3GPP internal indicator (prerequisite is that the inside and outside sign that there is a UE at MTC-IWF place is shone upon) of UE.
Mode two, MTC-IWF place safeguard the context that UE is arranged, and wherein comprised the information such as state of UE sign, serving MME, UE.
When step 5, UE response paging, send RRC connection request message, connect the process of setting up to initiate RRC.
Step 6, eNB pass to UE through the small data that RRC connection setup message will be passed through the encryption of NAS safe context.
After step 7, UE receive the small data through the encryption of NAS safe context in the RRC connection setup message; Thereby can decipher small data through the NAS safe context at UE place and obtain the small data that the MTC server is sent, and no longer initiate service request process.
In addition, UE returns RRC connection setup complete message to eNB, and the small data of receiving is confirmed.Wherein, UE can carry small data ACK message through UL NAS transport message, and perhaps, UE can carry small data ACK message through AS message.
Step 8, eNB carry out small data transmission through S1-AP message to MME and confirm.
Embodiment three
Based on the inventive concept same with said method, a kind of access network equipment also is provided in the embodiment of the invention, as shown in Figure 7, this equipment comprises:
Core-network side communication module 11 is used to receive the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module 12 is used for through radio resource control RRC message said small data being sent to corresponding subscriber equipment.
Said core-network side communication module 11 specifically is used for when small data need send to the said subscriber equipment that is in Idle state, receives the beep-page message that carries said small data from equipment of the core network.
Said subscriber side telecommunications module 12 specifically is used for setting up connection setup message through the RRC connection said small data is sent to said subscriber equipment.
Said subscriber side telecommunications module 12; Specifically be used for the said subscriber equipment of paging; And when said user device responsive paging; Reception is from the RRC connection request connection request message of said subscriber equipment, and through said RRC connection setup message said small data sent to said subscriber equipment.
Said subscriber side telecommunications module 12; Also be used for after said subscriber equipment receives said small data; Reception connects foundation completion connection setup complete message from the RRC of said subscriber equipment, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
Up Non-Access Stratum transmission ULNAS transport message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
Said core-network side communication module 11 also is used for sending the information that the said subscriber equipment of affirmation has been received said small data to said equipment of the core network.
Wherein, each module 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 a plurality of submodules.
Embodiment four
Based on the inventive concept same with said method, a kind of equipment of the core network also is provided in the embodiment of the invention, as shown in Figure 8, this equipment comprises:
Sending module 22 is used for through beep-page message said small data being sent to access network equipment.
This equipment of the core network also comprises:
Wherein, each module 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 a plurality of submodules.
Embodiment five
Based on the inventive concept same with said method, a kind of subscriber equipment also is provided in the embodiment of the invention, as shown in Figure 9, this equipment comprises:
Obtain module 32, be used for obtaining said small data from said RRC message.
Said receiver module 31, connection setup message is set up in the RRC connection of carrying said small data that specifically is used to receive from said access network equipment.
Said receiver module 31 specifically is used for when said access network equipment calling user device, sends RRC connection request connection request message to said access network equipment; And reception is from the RRC connection setup message of carrying said small data of said access network equipment.
This subscriber equipment also comprises:
Sending module 33 is used for sending RRC to said access network equipment and connects foundation completion connection setup complete message, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
Up Non-Access Stratum transmission ULNAS transport message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
Wherein, each module 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 a plurality of submodules.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (28)
1. the transmission method of a 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;
Said access network equipment sends to corresponding subscriber equipment through radio resource control RRC message with said small data.
2. the method for claim 1 is characterized in that, said access network equipment receives the beep-page message that carries small data from equipment of the core network, comprising:
When small data need send to the said subscriber equipment that is in Idle state, said access network equipment received the beep-page message that carries said small data from equipment of the core network.
3. the method for claim 1 is characterized in that, said access network equipment sends to corresponding subscriber equipment through RRC message with said small data, comprising:
Said access network equipment is set up connection setup message through the RRC connection said small data is sent to said subscriber equipment.
4. method as claimed in claim 3 is characterized in that, said access network equipment sends to said subscriber equipment through RRCconnection setup message with said small data, comprising:
The said subscriber equipment of said access network equipment paging; And when said user device responsive paging; Reception is from the RRC connection request connection request message of said subscriber equipment, and through said RRC connection setup message said small data sent to said subscriber equipment.
5. the method for claim 1 is characterized in that, said access network equipment sends to corresponding subscriber equipment through RRC message with said small data, also comprises afterwards:
After said subscriber equipment receives said small data; The RRC that said access network equipment receives from said subscriber equipment connects foundation completion connection setup complete message, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
6. method as claimed in claim 5 is characterized in that, carries the information that the small data of receiving is confirmed through the up Non-Access Stratum transmission UL NAS transport message in the said RRC connection setup complete message; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
7. like claim 5 or 6 described methods, it is characterized in that said access network equipment receives the RRC connection setup complete message from said subscriber equipment, also comprises afterwards:
Said access network equipment sends the information that the said subscriber equipment of affirmation has been received said small data to said equipment of the core network.
8. the transmission method of a small data is characterized in that, comprising:
Equipment of the core network defines small data need send to the subscriber equipment that is in Idle state;
Said equipment of the core network sends to access network equipment through beep-page message with said small data.
9. method as claimed in claim 8 is characterized in that, said equipment of the core network sends to access network equipment through beep-page message with said small data, also comprises afterwards:
After said access network equipment received that said subscriber equipment is confirmed to have received the information of said small data, said equipment of the core network received the information of having received said small data from the said subscriber equipment of the affirmation of said access network equipment.
10. the transmission method of a small data is characterized in that, comprising:
Subscriber equipment receives the radio resource control RRC message from access network equipment, carries the small data that need send to the said subscriber equipment that is in Idle state in the said RRC message;
Said subscriber equipment obtains said small data from said RRC message.
11. method as claimed in claim 10 is characterized in that, said subscriber equipment receives the RRC message from access network equipment, comprising:
Said subscriber equipment receives from the RRC connection of carrying said small data of said access network equipment and sets up connection setup message.
12. method as claimed in claim 11 is characterized in that, said subscriber equipment receives the RRC connection setup message of carrying said small data from said access network equipment, comprising:
When the said subscriber equipment of said access network equipment paging, said subscriber equipment sends RRC connection request connection request message to said access network equipment; And reception is from the RRC connection setup message of carrying said small data of said access network equipment.
13. method as claimed in claim 10 is characterized in that, said subscriber equipment receives the radio resource control RRC message from access network equipment, also comprises afterwards:
Said subscriber equipment sends RRC to said access network equipment and connects foundation completion connection setup complete message, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
14. method as claimed in claim 13 is characterized in that, carries the information that the small data of receiving is confirmed through the up Non-Access Stratum transmission UL NAS transport message in the said RRC connection setup complete message; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
15. an access network equipment is characterized in that, comprising:
The core-network side communication module is used to receive the beep-page message that carries small data from equipment of the core network;
Subscriber side telecommunications module is used for through radio resource control RRC message said small data being sent to corresponding subscriber equipment.
16. access network equipment as claimed in claim 15 is characterized in that,
Said core-network side communication module specifically is used for when small data need send to the said subscriber equipment that is in Idle state, receives the beep-page message that carries said small data from equipment of the core network.
17. access network equipment as claimed in claim 15 is characterized in that,
Said subscriber side telecommunications module specifically is used for setting up connection setup message through the RRC connection said small data is sent to said subscriber equipment.
18. access network equipment as claimed in claim 17 is characterized in that,
Said subscriber side telecommunications module; Specifically be used for the said subscriber equipment of paging; And when said user device responsive paging; Reception is from the RRC connection request connection request message of said subscriber equipment, and through said RRC connection setup message said small data sent to said subscriber equipment.
19. access network equipment as claimed in claim 15 is characterized in that,
Said subscriber side telecommunications module; Also be used for after said subscriber equipment receives said small data; Reception connects foundation completion connection setup complete message from the RRC of said subscriber equipment, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
20. access network equipment as claimed in claim 19 is characterized in that, carries the information that the small data of receiving is confirmed through the up Non-Access Stratum transmission UL NAS transport message in the said RRC connection setup complete message; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
21. like claim 19 or 20 described access network equipments, it is characterized in that,
Said core-network side communication module also is used for sending the information that the said subscriber equipment of affirmation has been received said small data to said equipment of the core network.
22. an equipment of the core network is characterized in that, comprising:
Determination module is used to define small data and need sends to the subscriber equipment that is in Idle state;
Sending module is used for through beep-page message said small data being sent to access network equipment.
23. equipment of the core network as claimed in claim 22 is characterized in that, also comprises:
Receiver module is used for after said access network equipment receives that said subscriber equipment is confirmed to have received the information of said small data, receiving the information of having received said small data from the said subscriber equipment of the affirmation of said access network equipment.
24. a subscriber equipment is characterized in that, comprising:
Receiver module is used to receive the radio resource control RRC message from access network equipment, carries the small data that need send to the said subscriber equipment that is in Idle state in the said RRC message;
Obtain module, be used for obtaining said small data from said RRC message.
25. subscriber equipment as claimed in claim 24 is characterized in that,
Said receiver module, connection setup message is set up in the RRC connection of carrying said small data that specifically is used to receive from said access network equipment.
26. subscriber equipment as claimed in claim 25 is characterized in that,
Said receiver module specifically is used for when said access network equipment calling user device, sends RRC connection request connection request message to said access network equipment; And reception is from the RRC connection setup message of carrying said small data of said access network equipment.
27. subscriber equipment as claimed in claim 24 is characterized in that, also comprises:
Sending module is used for sending RRC to said access network equipment and connects foundation completion connection setup complete message, has carried the information that the small data of receiving is confirmed in the said RRC connection setup complete message.
28. subscriber equipment as claimed in claim 27 is characterized in that, carries the information that the small data of receiving is confirmed through the up Non-Access Stratum transmission UL NAS transport message in the said RRC connection setup complete message; Perhaps,
Access Layer AS message through in the said RRC connection setup complete message is carried the information that the small data of receiving is confirmed.
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