CN102547658A - Method and device for transmitting data - Google Patents
Method and device for transmitting data Download PDFInfo
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- CN102547658A CN102547658A CN2011104351516A CN201110435151A CN102547658A CN 102547658 A CN102547658 A CN 102547658A CN 2011104351516 A CN2011104351516 A CN 2011104351516A CN 201110435151 A CN201110435151 A CN 201110435151A CN 102547658 A CN102547658 A CN 102547658A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention discloses a method and device for transmitting data, which are used for transmitting uplink small data by using the SGSN/MME (serving GPRS support node/mobility management entity) through the MTC-IWF (machine-type communication interworking function) entity. The method comprises the following steps: receiving the uplink small data; determining the MTC-IWF entity; and transmitting the uplink small data through the MTC-IWF entity. By using the method and the device to transmit the uplink small data by using the SGSN/MME through the MTC-IWF entity, the small data transmission path is shortened, and the consumption of network signaling resource is reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of data transmission method and device.
Background technology
In agreement 3GPP TS 23.888, stipulate at present; In the 3GPP network architecture, introduce Machine Type communication (Machine-Type Communication; MTC) framework; Wherein between MTC server (server) and 3GPP core net, increased new node--Machine Type communication interaction function (Machine-Type Communication Interworking Function; MTC-IWF) entity, the main effect of MTC-IWF entity are to MTC server shielding 3GPP topology of networks, and the interface with the 3GPP network is provided.At present in the 3GPP agreement problem how MTC server searches the MTC-IWF entity has been discussed, yet, to Serving GPRS Support Node (Serving GSN, SGSN)/problem that how Mobility Management Entity (MME) searches the MTC-IWF entity discusses as yet.
The MTC system architecture is divided into roaming framework and non-roaming (Non-Roaming) framework; As shown in Figure 1; For the Non-Roaming MTC system architecture of existing 3GPP wherein, the MTC-IWF entity only the home public land mobile network network (Home Public Land Mobile Network, HPLMN) in; MTC server only has with the MTC-IWF entity of HPLMN and is connected, and promptly the MTCsp interface is the interface of MTC server and HPLMM.
Possibly there is roaming interface T5a/T5b in interface between SGSN/MME and the MTC-IWF entity; Be that (Virtual Public Land Mobile Network can be connected between the MTC-IWF entity of SGSN/MME VPLMN) and HPLMN virtual public land mobile network.
About the sign of subscriber equipment, in the prior art,, can only know the outside sign (external ID) of subscriber equipment for MTC server, External Identifier=< Local-Identifier>< Domain-Identifier >, wherein:
Domain identifier (Domain-Identifier) a: territory (domain) of having represented MNO control.Can be used to seek MTC-IWF entity (i.e.IP address on MTCsp).Domain-Identifier can further indicate MTC-IWF entity specific for application.
Local sign (Local-Identifier): being distributed by MNO, is unique in domain inside.Operator uses this sign to obtain the internal indicator (internal identifier) of UE.The structure of Local Identifier is flexibly, and for example Local Identifier can comprise following different portions:
Be used to search the part of MNO database, for example E.164MSISDN (TS 23.003) or other MNO specified scheme of Subscriber Number part of an;
The client uses relevant part, serial number for example, chassis number for car etc.;
A plurality of external identifiers can be mapped as an internal identifier.
Inner at 3GPP, still use the internal indicator (internal ID) of subscriber equipment (UE) to come identifying user equipment.According to regulation of the prior art, HSS is responsible for returning the information such as internal indicator of subscriber equipment.
About searching of descending MTC-IWF entity, mentioned definite method of descending MTC-IWF entity at present among the 3GPP TR23.888, be primarily aimed at device fires (Device Trigger) characteristic.MTCserver can confirm descending MTC-IWF entity through the method for static configuration; (Domain Name Server, DNS) mode of inquiry is confirmed descending MTC-IWF entity also possibly to pass through name server.
Static configuration method requires the address of configuration MTC-IWF entity on MTC server.
The mode of DNS inquiry is as shown in Figure 2:
MTC server carries the outside sign of UE, to the address of DNS server requesting query MTC-IWF entity through sending the DNS request;
DNS server according to before the address crossed of MTC-IWF registers entities, return the address of MTC-IWF entity to MTC server.
In addition; 3GPP TR 23.888 in the prior art (NOTE 2:According to stage 1requirements the small data upper limit can be around 1000octets) has also mentioned a kind of notion of small data transmission; Promptly use signaling method or short message way to come little, the data of frequent transmission not of data amount transmitted; Purpose is in order to reduce because small data transmission, comprises signaling consumption, Internet resources to the influence that existing system brings, the time-delay of reshuffling etc.In the method for the small data transmission that prior art is discussed; The mode that has a kind of NAS message to carry; As shown in Figure 3; After this scheme MME/SGSN receives the NAS message of carrying small data, with wherein small data through and the MTC-IWF entity between interface send to the MTC-IWF entity, be transmitted to MTC server by the MTC-IWF entity then.
The xxx interface that marks among Fig. 3 is seen according to the network architecture of confirming at present, is the T5a/T5b interface.But just do not transmit up small data as yet at present and form complete scheme through MTC-IWF.
In sum; Because MTC Server is connected (MTCserver only possibly be connected with the MTC-IWF entity of HPLMM) with all MTC-IWF entities; Therefore when considering the up small data of transmission; Which MTC-IWF entity SGSN/MME need confirm to use transmit, thereby makes up small data to be routed to MTC Server through this MTC-IWF entity; In addition; When considering the report of passback DeviceTrigger; SGSN/MME also possibly search the MTC-IWF entity that transmits the current use of Device Trigger; Thereby make the MTC-IWF entity to operate accordingly, for example remove the Trigger message of preservation etc. according to the report (Report) of Device Trigger.Yet, the problem of employed MTC-IWF entity when not considering how to confirm transmitting uplink data as yet in the prior art, wherein, said transmitting uplink data comprises transmission of up small data transmission and device fires report (Device Trigger Report) or the like.
Summary of the invention
The embodiment of the invention provides a kind of data transmission method and device, in order to realize that SGSN/MME carries out up small data transmission through the MTC-IWF entity.
A kind of data transmission method that the embodiment of the invention provides comprises:
Receive up small data;
Confirm Machine Type communication interaction function MTC-IWF entity;
Carry out up small data transmission through said MTC-IWF entity.
A kind of data transmission device that the embodiment of the invention provides comprises:
The small data receiving element is used to receive up small data;
The MTC-IWF entity is confirmed the unit, is used for confirming Machine Type communication interaction function MTC-IWF entity;
The small data transmission unit is used for carrying out up small data transmission through said MTC-IWF entity.
The embodiment of the invention receives up small data; Confirm the MTC-IWF entity; Carry out up small data transmission through said MTC-IWF entity; Thereby confirmed the employed MTC-IWF entity of transmitting uplink data; Make SGSN/MME to carry out up small data transmission through the MTC-IWF entity; And the consumption of network signal resource has been reduced in the path of having shortened small data transmission.
Description of drawings
Fig. 1 is the non-roaming configuration diagram of the 3GPP system of MTC;
Fig. 2 is a MT communication process sketch map;
Fig. 3 is the MTC-IWF entity transfer sketch map when utilizing the NAS signaling to transmit up small data;
The schematic flow sheet of a kind of data transmission method that Fig. 4 provides for the embodiment of the invention;
The SGSN/MME that Fig. 5 provides for the embodiment of the invention inquires about the schematic flow sheet of MTC-IWF physical address;
A kind of data transmission device structural representation that Fig. 6 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of data transmission method and device, in order to realize that SGSN/MME carries out up small data transmission through the MTC-IWF entity.
Consider in the MT communication scenes; At the MTC-IWF entity to home signature user server (Home Subscriber Server, HSS) the internal ID of inquiry UE, international mobile subscriber identifier (International Mobile Subscriber Identifier for example; IMSI) time; HSS can write down the address of this MTC-IWF entity, and therefore, SGSN/MME can inquire about the MTC-IWF entity of serving UE before through the S6a/d interface to HSS; In the MO communication scenes, if certain MTC-IWF entity services is crossed certain UE, HSS also can write down this MTC-IWF entity so, and SGSN/MME can directly select this MTC-IWF entity according to the record among the HSS like this.
Referring to Fig. 4, the method for a kind of definite MTC-IWF entity that the embodiment of the invention provides comprises step:
S101, receive up small data;
S102, confirm the MTC-IWF entity;
S103, carry out up small data transmission through said MTC-IWF entity.
Preferably, said definite MTC-IWF entity comprises:
According to the address of the MTC-IWF entity of static configuration, confirm the MTC-IWF entity; Perhaps,
According to the outside sign of subscriber equipment, confirm the MTC-IWF entity; Perhaps,
Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration confirms the MTC-IWF entity.
Preferably, the address or the fully qualified domain name FQDN of the MTC-IWF entity of outside sign of said subscriber equipment and said static configuration are from the CAMEL-Subscription-Information of subscriber equipment, to obtain.
Preferably; When according to the outside sign of subscriber equipment, confirm the MTC-IWF entity, perhaps; Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration; When confirming the MTC-IWF entity, be through sending query requests to name server, from the response results that name server returns, confirming the MTC-IWF entity.
That is to say that the address of MTC-IWF entity can be pre-configured among the SGSN/MME.
Perhaps; When the up small data transmission of subscriber equipment (UE) needs initiation etc. are professional; If the last T5a/T5b interface of not setting up to this UE with between the MTC-IWF entity of SGSN/MME is connected; Then SGSN/MME can send query requests to HSS, and HSS returns the MTC-IWF physical address of its record to SGSN/MME.
HSS when receiving the internal ID query requests that the MTC-IWF entity is sent next time, the address of the MTC-IWF entity of new record more.
Preferably, the up small data of said reception is the small data quantity data through up NAS message encapsulation; Perhaps, be to report MTCDevice Trigger Report message through the Machine Type communication equipment triggering of up NAS message encapsulation.
Wherein, described small data quantity can be according to predetermined data amount in subscriber equipment CAMEL-Subscription-Information or the operator's configuration, for example, is the data volume less than 1000 bytes.
Preferably, carry out up small data transmission, comprising through the MTC-IWF entity:
Through T5a interface or T5b interface up small data is sent to said MTC-IWF entity.
Provide concrete explaining below.
Be directed against the characteristic that subscriber equipment need transmit up small data in the embodiment of the invention, SGSN/MME specifically comprises through the MTC-IWF entity of this subscriber equipment of outside sign selection service of subscriber equipment:
SGSN/MME is at mobility management process; For example adhere to (Attach), tracing section updating (TAU) Routing Area Update (RAU) or HO process etc.; From HSS, obtain CAMEL-Subscription-Information through existing renewal location confirmation (Update Location Ack) message, thereby obtain the outside sign (external ID) of this subscriber equipment;
SGSN/MME receives the up small data that subscriber equipment is sent;
When subscriber equipment had up small data transmission characteristic, subscriber equipment can be given SGSN/MME with up small data transmission through up NAS message;
After subscriber equipment is received MTC device fires (MTC Device Trigger) message,, give SGSN/MME with MTC Device Trigger Report transmission of messages through up NAS message.
Wherein, The up small data transmission characteristic of subscriber equipment; It is the small data transmission characteristic of dividing according to the frequency and the data length of transfer of data; According to the CAMEL-Subscription-Information and the network configuration of subscriber equipment, just can confirm whether this subscriber equipment can use small data transmission, confirm promptly whether subscriber equipment has up small data transmission characteristic.
SGSN/MME judges that according to the subscriber equipment CAMEL-Subscription-Information use T5a or T5b interface transmit up small data; Then SGSN/MME is according to the external ID of the UE in the subscriber equipment CAMEL-Subscription-Information; Perhaps pass through the FQDN of the MTC-IWF entity of static configuration among the HSS, send query requests to DNS server; Otherwise SGSN/MME selects the suitable data transmission means according to the subscriber equipment CAMEL-Subscription-Information, and for example, the indication of subscriber equipment CAMEL-Subscription-Information does not allow to use the small data transmission mode, then adopts traditional carrying transmission means.Wherein, said subscriber equipment CAMEL-Subscription-Information comprises the transmission characteristic that whether allows to use small data transmission, and the data length restricted information of small data.
The response results that SGSN/MME returns according to DNS server, the address of acquisition MTC-IWF entity; If among the SGSN/MME in advance static configuration the MTC-IWF physical address, then SGSN/MME directly uses this MTC-IWF entity.
SGSN/MME sends out up small data through the MTC-IWF entity of confirming.
Participate in Fig. 5, the data transmission method that the embodiment of the invention provides specifically comprises:
UE with small data transmission ability need initiate up small data transmission, and message such as UE use NAS UplinkTransport are carried up small data;
After SGSN/MME receives up small data,, judge and use the IWF mode to send this up small data according to the CAMEL-Subscription-Information of UE;
If in the context of UE, do not preserve the address of any MTC-IWF entity among the SGSN/MME, then use the MTC-IWF entity of static configuration in external ID or the CAMEL-Subscription-Information of UE, send query requests to DNS server;
The response results that SGSN/MME returns according to DNS server obtains suitable MTC-IWF entity;
SGSN/MME sends up small data through the MTC-IWF entity.
Referring to Fig. 6, a kind of data transmission device that the embodiment of the invention provides comprises:
Small data receiving element 11 is used to receive up small data;
The MTC-IWF entity is confirmed unit 12, is used for confirming the MTC-IWF entity;
Small data transmission unit 13 is used for carrying out up small data transmission through said MTC-IWF entity.
Preferably, said MTC-IWF entity is confirmed unit 12, specifically is used for:
According to the address of the MTC-IWF entity of static configuration, confirm the MTC-IWF entity; Perhaps,
According to the outside sign of subscriber equipment, confirm the MTC-IWF entity; Perhaps,
Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration confirms the MTC-IWF entity.
Preferably, the address or the fully qualified domain name FQDN of the MTC-IWF entity of outside sign of said subscriber equipment and said static configuration are from the CAMEL-Subscription-Information of subscriber equipment, to obtain.
Preferably, said MTC-IWF entity is confirmed unit 12, when identifying according to subscriber equipment is outside; Confirm the MTC-IWF entity; Perhaps, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when confirming the MTC-IWF entity; Be through sending query requests to name server, from the response results that name server returns, confirming the MTC-IWF entity.
Preferably, the up small data that said small data receiving element 11 receives is the small data quantity data through up NAS message encapsulation; Perhaps, be to report MTC Device Trigger Report message through the Machine Type communication equipment triggering of up NAS message encapsulation.
Preferably, said small data transmission unit 13 specifically is used for:
Through T5a interface or T5b interface up small data is sent to said MTC-IWF entity.
In sum; SGSN/MME is when carrying out up small data transmission; MTC-IWF physical address according to static configuration is selected the MTC-IWF entity, perhaps searches the address that obtains up MTC-IWF entity according to the outside sign of subscriber equipment or the MTC-IWF entity FQDN of static configuration; The up small data that SGSN/MME receives perhaps is a MTC Device Trigger Report message for the small data through up NAS transmission of messages; SGSN/MME has confirmed through the T5a/T5b interface up small data to be sent out after the suitable MTC-IWF entity.Thereby, make SGSN/MME to carry out transmitting uplink data through the MTC-IWF entity, can greatly reduce the number of times of inquiry DNS Server, reduce the consumption of network signal resource.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a data transmission method is characterized in that, this method comprises:
Receive up small data;
Confirm Machine Type communication interaction function MTC-IWF entity;
Carry out up small data transmission through said MTC-IWF entity.
2. method according to claim 1 is characterized in that, said definite MTC-IWF entity comprises:
According to the address of the MTC-IWF entity of static configuration, confirm the MTC-IWF entity; Perhaps,
According to the outside sign of subscriber equipment, confirm the MTC-IWF entity; Perhaps,
Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration confirms the MTC-IWF entity.
3. method according to claim 2 is characterized in that, the address or the fully qualified domain name FQDN of the MTC-IWF entity of outside sign of said subscriber equipment and said static configuration are from the CAMEL-Subscription-Information of subscriber equipment, to obtain.
4. method according to claim 2 is characterized in that, when identifying according to subscriber equipment is outside; Confirm the MTC-IWF entity; Perhaps, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when confirming the MTC-IWF entity; Be through sending query requests to name server, from the response results that name server returns, confirming the MTC-IWF entity.
5. method according to claim 1 is characterized in that, the up small data of said reception is the small data quantity data through up NAS message encapsulation; Perhaps, be to report MTC Device Trigger Report message through the Machine Type communication equipment triggering of up NAS message encapsulation.
6. method according to claim 1 is characterized in that, carries out up small data transmission through said MTC-IWF entity, comprising:
Through T5a interface or T5b interface up small data is sent to said MTC-IWF entity.
7. a data transmission device is characterized in that, this device comprises:
The small data receiving element is used to receive up small data;
The MTC-IWF entity is confirmed the unit, is used for confirming Machine Type communication interaction function MTC-IWF entity;
The small data transmission unit is used for carrying out up small data transmission through said MTC-IWF entity.
8. device according to claim 7 is characterized in that, said MTC-IWF entity is confirmed the unit, specifically is used for:
According to the address of the MTC-IWF entity of static configuration, confirm the MTC-IWF entity; Perhaps,
According to the outside sign of subscriber equipment, confirm the MTC-IWF entity; Perhaps,
Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration confirms the MTC-IWF entity.
9. device according to claim 8 is characterized in that, the address or the fully qualified domain name FQDN of the MTC-IWF entity of outside sign of said subscriber equipment and said static configuration are from the CAMEL-Subscription-Information of subscriber equipment, to obtain.
10. device according to claim 8 is characterized in that, said MTC-IWF entity is confirmed the unit; When according to the outside sign of subscriber equipment, confirm the MTC-IWF entity, perhaps; Fully qualified domain name FQDN according to the MTC-IWF entity of static configuration; When confirming the MTC-IWF entity, be through sending query requests to name server, from the response results that name server returns, confirming the MTC-IWF entity.
11. device according to claim 7 is characterized in that, the up small data that said small data receiving element receives is the small data quantity data through up NAS message encapsulation; Perhaps, be to report MTC Device Trigger Report message through the Machine Type communication equipment triggering of up NAS message encapsulation.
12. device according to claim 7 is characterized in that, said small data transmission unit specifically is used for:
Through T5a interface or T5b interface up small data is sent to said MTC-IWF entity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110435151.6A CN102547658B (en) | 2011-12-22 | 2011-12-22 | Method and device for transmitting data |
| PCT/CN2012/080750 WO2013091397A1 (en) | 2011-12-22 | 2012-08-30 | Data transmitting method and apparatus |
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| CN201110435151.6A CN102547658B (en) | 2011-12-22 | 2011-12-22 | Method and device for transmitting data |
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| CN102547658B CN102547658B (en) | 2015-04-15 |
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| US10334604B2 (en) | 2013-08-15 | 2019-06-25 | Huawei Technologies Co., Ltd. | Data routing method and device |
| CN104811921A (en) * | 2014-01-26 | 2015-07-29 | 电信科学技术研究院 | Information notification method, RRC connection release control method and apparatuses |
| CN104811921B (en) * | 2014-01-26 | 2019-02-26 | 电信科学技术研究院 | Information notice, RRC Connection Release control method and equipment |
| WO2022067542A1 (en) * | 2020-09-29 | 2022-04-07 | Nokia Shanghai Bell Co., Ltd. | Configuration of small data transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013091397A1 (en) | 2013-06-27 |
| CN102547658B (en) | 2015-04-15 |
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